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[209.132.180.67]) by mx.google.com with ESMTP id w14si20830109plq.145.2018.12.29.01.19.41; Sat, 29 Dec 2018 01:19:57 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@google.com header.s=20161025 header.b=tC22jIpu; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726711AbeL1WD5 (ORCPT + 99 others); Fri, 28 Dec 2018 17:03:57 -0500 Received: from mail-io1-f65.google.com ([209.85.166.65]:36242 "EHLO mail-io1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726066AbeL1WD4 (ORCPT ); Fri, 28 Dec 2018 17:03:56 -0500 Received: by mail-io1-f65.google.com with SMTP id m19so17697063ioh.3 for ; Fri, 28 Dec 2018 14:03:54 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=pec17mhifbIgEn8qdD2GtcWpM2Kwa+QPN7I3GGwBRdE=; b=tC22jIpugDuyroo5olz2uCAq8TYxDh9OGMlduWi2dmScekr+ZiFQ8c+jpkxYuCBeMY 0Njg6tmnBnIdXtI3D7zaL7REclQjNqprgi3TJVLvlLMRzXsoI4Hp4JnJ6OK2H/YnOY3h /xE6ZHj+f/XwQ963gac9I+xlewX/cy7kEkYlfdFLVScqf7Q14OF15wBNnhjmINE0RCGW xPfkE/ijkBkNMJ0yKzNV2LuHIgouT8IuLazketWRZyLGnkL1J9jOWa7JnEuOul1x5m// rh+OHbfHRTLfLd+Bf8VIWcEEpYxsFcNKdeftIfipl5MyybP5tLwCwANBJh7gEhtx6z7s IKkA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=pec17mhifbIgEn8qdD2GtcWpM2Kwa+QPN7I3GGwBRdE=; b=lAaSHf9u+GpfsUKQkpuNnkDCB+TCdt/ESwF8O/FIDfCZ4AmvEwS0QueNKFCJITT61D RvFhDRWJpSwPFg3wRz9M464PsfsBAuCpo5FP9l4RNh7yy7W52bTUY4LOwRDDPMVmrA3V 9Zd8Ug2M5UAqPhzVWKiztynnJJuyVr3ZGIeJBrYk3WMbeVqhaAhHcFw37p6pIrYvUPnx seX+U6FDMshItaMMb0herbuWeg75O03/DgDRXLXsDeYEHb8jRklkWJRZxWlGL8Y9+Vh0 tbsIskGIqPRMSSegku4UkZJpislJopN7ObMxxCLyrYBMWpALnbRfRSFf9dbwkkmdWMWW IG/w== X-Gm-Message-State: AJcUuke9H8+04kdKkv5Pnbcnr5sGTc8GeJhoHzsNjv/7SQFnEDJNKfeP JcZB4pITPoqM4GnnAgEavcT3ZlxQZeIYCUuXcgmw+g== X-Received: by 2002:a5d:890c:: with SMTP id b12mr5529501ion.196.1546034633563; Fri, 28 Dec 2018 14:03:53 -0800 (PST) MIME-Version: 1.0 References: <20181022100952.GA1147@jagdpanzerIV> <20181109064740.GE599@jagdpanzerIV> <20181212052126.GF431@jagdpanzerIV> <20181212062841.GI431@jagdpanzerIV> <20181212064841.GB2746@sasha-vm> <20181212081034.GA32687@jagdpanzerIV> <20181228001651.GA514@jagdpanzerIV> <20181228082749.GA28315@kroah.com> In-Reply-To: <20181228082749.GA28315@kroah.com> From: Daniel Wang Date: Fri, 28 Dec 2018 16:03:36 -0600 Message-ID: Subject: Re: 4.14 backport request for dbdda842fe96f: "printk: Add console owner and waiter logic to load balance console writes" To: Greg KH Cc: Sergey Senozhatsky , Sasha Levin , Petr Mladek , Steven Rostedt , stable@vger.kernel.org, Alexander.Levin@microsoft.com, Andrew Morton , byungchul.park@lge.com, dave.hansen@intel.com, hannes@cmpxchg.org, jack@suse.cz, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Mathieu Desnoyers , Mel Gorman , mhocko@kernel.org, pavel@ucw.cz, penguin-kernel@i-love.sakura.ne.jp, Peter Zijlstra , tj@kernel.org, Linus Torvalds , vbabka@suse.cz, Cong Wang , Peter Feiner Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="00000000000036f77e057e1c3d10" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --00000000000036f77e057e1c3d10 Content-Type: text/plain; charset="UTF-8" Thanks. I was able to confirm that commit c7c3f05e341a9a2bd alone fixed the problem for me. As expected, all 16 CPUs' stacktrace was printed, before a final panic stack dump and a successful reboot. [ 24.035044] Hogging a CPU now [ 48.200258] watchdog: BUG: soft lockup - CPU#3 stuck for 22s! [lockme:1102] [ 48.207371] Modules linked in: lockme(O) ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 xt_addrtype nf_nat br_netfilter ip6table_filter ip6_tables aesni_intel aes_x86_64 crypto_simd cryptd glue_helper [ 48.226613] CPU: 3 PID: 1102 Comm: lockme Tainted: G O 4.14.79 #33 [ 48.234057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.243388] task: ffffa3da1bd70000 task.stack: ffffc04e077e0000 [ 48.249425] RIP: 0010:hog_thread+0x13/0x1000 [lockme] [ 48.255197] RSP: 0018:ffffc04e077e3f10 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10 [ 48.262879] RAX: 0000000000000011 RBX: ffffa3da362ffa80 RCX: 0000000000000000 [ 48.270131] RDX: ffffa3da432dd740 RSI: ffffa3da432d54f8 RDI: ffffa3da432d54f8 [ 48.277382] RBP: ffffc04e077e3f48 R08: 0000000000000030 R09: 0000000000000000 [ 48.284629] R10: 0000000000000358 R11: 0000000000000000 R12: ffffa3da33f7c940 [ 48.291881] R13: ffffc04e079b7c58 R14: 0000000000000000 R15: ffffa3da362ffac8 [ 48.299134] FS: 0000000000000000(0000) GS:ffffa3da432c0000(0000) knlGS:0000000000000000 [ 48.307338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.313200] CR2: 00007f0142c77e5d CR3: 0000000b10e12002 CR4: 00000000003606a0 [ 48.320455] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.327705] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.334955] Call Trace: [ 48.337534] kthread+0x127/0x160 [ 48.340878] ? 0xffffffffc04bc000 [ 48.344315] ? kthread_create_on_node+0x40/0x40 [ 48.348962] ret_from_fork+0x35/0x40 [ 48.352655] Code: fe 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 48.360712] Sending NMI from CPU 3 to CPUs 0-2,4-15: [ 48.365891] NMI backtrace for cpu 5 [ 48.365892] CPU: 5 PID: 963 Comm: dd Tainted: G O 4.14.79 #33 [ 48.365892] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.365893] task: ffffa3da2e769c80 task.stack: ffffc04e072dc000 [ 48.365894] RIP: 0010:chacha20_block+0x203/0x350 [ 48.365894] RSP: 0018:ffffc04e072dfd08 EFLAGS: 00000086 [ 48.365895] RAX: 00000000430aa37c RBX: 000000008849a559 RCX: 000000001e380d02 [ 48.365896] RDX: 00000000f37255aa RSI: 00000000430aa37c RDI: 00000000d39ce109 [ 48.365896] RBP: 00000000242dad92 R08: 00000000942a2b36 R09: 000000006df44375 [ 48.365897] R10: 000000007f47d158 R11: 0000000080fde9af R12: 0000000092e47c5e [ 48.365897] R13: 00000000ed09aada R14: 00000000c6fd956d R15: 000000001bb4deeb [ 48.365898] FS: 00007f074a4a6700(0000) GS:ffffa3da43340000(0000) knlGS:0000000000000000 [ 48.365899] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.365899] CR2: 000055a35c5b0520 CR3: 0000000edc900003 CR4: 00000000003606a0 [ 48.365900] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.365900] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.365900] Call Trace: [ 48.365901] _extract_crng+0xdb/0x130 [ 48.365901] crng_backtrack_protect+0xb3/0xc0 [ 48.365902] urandom_read+0x13b/0x2c0 [ 48.365902] vfs_read+0xad/0x170 [ 48.365903] SyS_read+0x4b/0xa0 [ 48.365903] ? __audit_syscall_exit+0x21e/0x2c0 [ 48.365904] do_syscall_64+0x70/0x200 [ 48.365904] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 48.365904] RIP: 0033:0x7f0749e7c410 [ 48.365905] RSP: 002b:00007ffd69532b18 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 48.365906] RAX: ffffffffffffffda RBX: 0000000000024ab3 RCX: 00007f0749e7c410 [ 48.365906] RDX: 0000000000000400 RSI: 000055e440267000 RDI: 0000000000000000 [ 48.365907] RBP: 00007ffd69532b40 R08: 0000000000000000 R09: 000000000000000d [ 48.365907] R10: fffffffffffff000 R11: 0000000000000246 R12: 0000000000000000 [ 48.365908] R13: 00007f074a4a6690 R14: 0000000000000400 R15: 000055e440267000 [ 48.365908] Code: c0 10 31 f0 01 d3 89 74 24 08 41 89 c7 8b 44 24 0c 41 31 dc 41 c1 c4 0c 46 8d 0c 1f 45 89 eb 41 c1 c7 0c 44 01 c0 45 31 cb 89 c6 <89> e8 41 c1 c3 08 89 74 24 0c 31 f0 41 8d 34 0c 8b 4c 24 10 c1 [ 48.365921] NMI backtrace for cpu 13 [ 48.365923] CPU: 13 PID: 967 Comm: dd Tainted: G O 4.14.79 #33 [ 48.365924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.365924] task: ffffa3da1c8b0000 task.stack: ffffc04e07798000 [ 48.365925] RIP: 0010:native_queued_spin_lock_slowpath+0xce/0x1b0 [ 48.365925] RSP: 0018:ffffc04e0779bda8 EFLAGS: 00000002 [ 48.365926] RAX: 0000000000000001 RBX: ffffffffadecd3c8 RCX: 0000000000000000 [ 48.365926] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffffffffadecd3c8 [ 48.365927] RBP: ffffc04e0779bdd8 R08: 000000005afce914 R09: 00000000e446e58a [ 48.365927] R10: 000000004789081f R11: 000000001fb8dc14 R12: ffffc04e0779be30 [ 48.365928] R13: ffffffffadecd3c8 R14: ffffc04e0779be30 R15: 0000000000000040 [ 48.365928] FS: 00007f79835ff700(0000) GS:ffffa3da43540000(0000) knlGS:0000000000000000 [ 48.365929] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.365929] CR2: 00007ff20c75d140 CR3: 0000000edc928004 CR4: 00000000003606a0 [ 48.365929] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.365930] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.365930] Call Trace: [ 48.365931] do_raw_spin_lock+0xa0/0xb0 [ 48.365931] _raw_spin_lock_irqsave+0x20/0x26 [ 48.365932] _extract_crng+0x52/0x130 [ 48.365932] urandom_read+0xf9/0x2c0 [ 48.365932] vfs_read+0xad/0x170 [ 48.365933] SyS_read+0x4b/0xa0 [ 48.365933] ? __audit_syscall_exit+0x21e/0x2c0 [ 48.365934] do_syscall_64+0x70/0x200 [ 48.365934] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 48.365934] RIP: 0033:0x7f7982fd5410 [ 48.365935] RSP: 002b:00007ffc84173ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 48.365936] RAX: ffffffffffffffda RBX: 0000000000022155 RCX: 00007f7982fd5410 [ 48.365936] RDX: 0000000000000400 RSI: 0000560209655000 RDI: 0000000000000000 [ 48.365936] RBP: 00007ffc84173ef0 R08: 0000000000000000 R09: 000000000000000d [ 48.365937] R10: fffffffffffff000 R11: 0000000000000246 R12: 0000000000000000 [ 48.365937] R13: 00007f79835ff690 R14: 0000000000000400 R15: 0000560209655000 [ 48.365938] Code: 75 2e be 01 00 00 00 f0 0f b1 37 85 c0 75 21 65 ff 0d 93 ce f7 52 5d c3 f3 90 8b 37 81 fe 00 01 00 00 74 f4 e9 64 ff ff ff f3 90 3d ff ff ff 8d 71 01 c1 e2 10 c1 e6 12 09 d6 89 f0 c1 e8 10 [ 48.365953] NMI backtrace for cpu 9 [ 48.365953] CPU: 9 PID: 974 Comm: dd Tainted: G O 4.14.79 #33 [ 48.365954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.365954] task: ffffa3da1e310e40 task.stack: ffffc04e077a0000 [ 48.365955] RIP: 0010:native_queued_spin_lock_slowpath+0xce/0x1b0 [ 48.365955] RSP: 0018:ffffc04e077a3da8 EFLAGS: 00000002 [ 48.365956] RAX: 0000000000000001 RBX: ffffffffadecd3c8 RCX: 0000000000000000 [ 48.365956] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffffffffadecd3c8 [ 48.365957] RBP: ffffc04e077a3dd8 R08: 00000000c4612c74 R09: 00000000b23896fe [ 48.365957] R10: 0000000081037022 R11: 0000000022fc570d R12: ffffc04e077a3e30 [ 48.365957] R13: ffffffffadecd3c8 R14: ffffc04e077a3e30 R15: 0000000000000040 [ 48.365958] FS: 00007f758a7fe700(0000) GS:ffffa3da43440000(0000) knlGS:0000000000000000 [ 48.365958] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.365959] CR2: 000055a35e272620 CR3: 0000000edca6e002 CR4: 00000000003606a0 [ 48.365959] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.365959] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.365960] Call Trace: [ 48.365960] do_raw_spin_lock+0xa0/0xb0 [ 48.365960] _raw_spin_lock_irqsave+0x20/0x26 [ 48.365961] _extract_crng+0x52/0x130 [ 48.365961] urandom_read+0xf9/0x2c0 [ 48.365961] vfs_read+0xad/0x170 [ 48.365962] SyS_read+0x4b/0xa0 [ 48.365962] ? __audit_syscall_exit+0x21e/0x2c0 [ 48.365962] do_syscall_64+0x70/0x200 [ 48.365963] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 48.365963] RIP: 0033:0x7f758a1d4410 [ 48.365963] RSP: 002b:00007fffde09c978 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 48.365964] RAX: ffffffffffffffda RBX: 0000000000022850 RCX: 00007f758a1d4410 [ 48.365965] RDX: 0000000000000400 RSI: 000055abdd543000 RDI: 0000000000000000 [ 48.365965] RBP: 00007fffde09c9a0 R08: 0000000000000000 R09: 000000000000000d [ 48.365965] R10: fffffffffffff000 R11: 0000000000000246 R12: 0000000000000000 [ 48.365966] R13: 00007f758a7fe690 R14: 0000000000000400 R15: 000055abdd543000 [ 48.365966] Code: 75 2e be 01 00 00 00 f0 0f b1 37 85 c0 75 21 65 ff 0d 93 ce f7 52 5d c3 f3 90 8b 37 81 fe 00 01 00 00 74 f4 e9 64 ff ff ff f3 90 3d ff ff ff 8d 71 01 c1 e2 10 c1 e6 12 09 d6 89 f0 c1 e8 10 [ 48.365979] NMI backtrace for cpu 11 [ 48.365980] CPU: 11 PID: 979 Comm: dd Tainted: G O 4.14.79 #33 [ 48.365980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.365981] task: ffffa3da1c932ac0 task.stack: ffffc04e077c8000 [ 48.365981] RIP: 0010:native_queued_spin_lock_slowpath+0xce/0x1b0 [ 48.365982] RSP: 0018:ffffc04e077cbda8 EFLAGS: 00000002 [ 48.365982] RAX: 0000000000000001 RBX: ffffffffadecd3c8 RCX: ffffc04e077cbef0 [ 48.365983] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffffffffadecd3c8 [ 48.365983] RBP: ffffc04e077cbdd8 R08: 0000000000000000 R09: 0000000000000000 [ 48.365984] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc04e077cbe30 [ 48.365984] R13: ffffffffadecd3c8 R14: ffffc04e077cbe30 R15: 0000000000000040 [ 48.365985] FS: 00007f8747be2700(0000) GS:ffffa3da434c0000(0000) knlGS:0000000000000000 [ 48.365985] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.365986] CR2: 000055de0b60635c CR3: 0000000edca70001 CR4: 00000000003606a0 [ 48.365986] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.365986] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.365987] Call Trace: [ 48.365987] do_raw_spin_lock+0xa0/0xb0 [ 48.365987] _raw_spin_lock_irqsave+0x20/0x26 [ 48.365988] _extract_crng+0x52/0x130 [ 48.365988] urandom_read+0xf9/0x2c0 [ 48.365988] vfs_read+0xad/0x170 [ 48.365989] SyS_read+0x4b/0xa0 [ 48.365989] ? __audit_syscall_exit+0x21e/0x2c0 [ 48.365989] do_syscall_64+0x70/0x200 [ 48.365990] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 48.365990] RIP: 0033:0x7f87475b8410 [ 48.365990] RSP: 002b:00007fff13681918 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 48.365991] RAX: ffffffffffffffda RBX: 000000000001cf65 RCX: 00007f87475b8410 [ 48.365992] RDX: 0000000000000400 RSI: 0000561a3760c000 RDI: 0000000000000000 [ 48.365992] RBP: 00007fff13681940 R08: 0000000000000000 R09: 000000000000000d [ 48.365992] R10: fffffffffffff000 R11: 0000000000000246 R12: 0000000000000000 [ 48.365993] R13: 00007f8747be2690 R14: 0000000000000400 R15: 0000561a3760c000 [ 48.365993] Code: 75 2e be 01 00 00 00 f0 0f b1 37 85 c0 75 21 65 ff 0d 93 ce f7 52 5d c3 f3 90 8b 37 81 fe 00 01 00 00 74 f4 e9 64 ff ff ff f3 90 3d ff ff ff 8d 71 01 c1 e2 10 c1 e6 12 09 d6 89 f0 c1 e8 10 [ 48.366007] NMI backtrace for cpu 6 [ 48.366008] CPU: 6 PID: 960 Comm: dd Tainted: G O 4.14.79 #33 [ 48.366009] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.366009] task: ffffa3da2c1c8e40 task.stack: ffffc04e07428000 [ 48.366009] RIP: 0010:native_queued_spin_lock_slowpath+0xce/0x1b0 [ 48.366010] RSP: 0018:ffffc04e0742bda8 EFLAGS: 00000002 [ 48.366011] RAX: 0000000000000001 RBX: ffffffffadecd3c8 RCX: 0000000000000000 [ 48.366011] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffffffffadecd3c8 [ 48.366011] RBP: ffffc04e0742bdd8 R08: 00000000a3d78655 R09: 000000001654483e [ 48.366012] R10: 0000000010c7e4a4 R11: 00000000abedc2d0 R12: ffffc04e0742be30 [ 48.366012] R13: ffffffffadecd3c8 R14: ffffc04e0742be30 R15: 0000000000000040 [ 48.366013] FS: 00007fe757e41700(0000) GS:ffffa3da43380000(0000) knlGS:0000000000000000 [ 48.366013] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.366013] CR2: 000055a35e25613c CR3: 0000000ede082004 CR4: 00000000003606a0 [ 48.366014] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.366014] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.366014] Call Trace: [ 48.366015] do_raw_spin_lock+0xa0/0xb0 [ 48.366015] _raw_spin_lock_irqsave+0x20/0x26 [ 48.366015] _extract_crng+0x52/0x130 [ 48.366016] urandom_read+0xf9/0x2c0 [ 48.366016] vfs_read+0xad/0x170 [ 48.366016] SyS_read+0x4b/0xa0 [ 48.366017] ? __audit_syscall_exit+0x21e/0x2c0 [ 48.366017] do_syscall_64+0x70/0x200 [ 48.366017] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 48.366018] RIP: 0033:0x7fe757817410 [ 48.366018] RSP: 002b:00007fff37fd8518 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 48.366019] RAX: ffffffffffffffda RBX: 000000000002baaf RCX: 00007fe757817410 [ 48.366019] RDX: 0000000000000400 RSI: 000055cd666e2000 RDI: 0000000000000000 [ 48.366020] RBP: 00007fff37fd8540 R08: 0000000000000000 R09: 000000000000000d [ 48.366020] R10: fffffffffffff000 R11: 0000000000000246 R12: 0000000000000000 [ 48.366020] R13: 00007fe757e41690 R14: 0000000000000400 R15: 000055cd666e2000 [ 48.366021] Code: 75 2e be 01 00 00 00 f0 0f b1 37 85 c0 75 21 65 ff 0d 93 ce f7 52 5d c3 f3 90 8b 37 81 fe 00 01 00 00 74 f4 e9 64 ff ff ff f3 90 3d ff ff ff 8d 71 0[ 48.366034] NMI backtrace for cpu 14 [ 48.366035] CPU: 14 PID: 962 Comm: dd Tainted: G O 4.14.79 #33 [ 48.366035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.366036] task: ffffa3da1e3a0e40 task.stack: ffffc04e076c0000 [ 48.366036] RIP: 0010:native_queued_spin_lock_slowpath+0xce/0x1b0 [ 48.366036] RSP: 0018:ffffc04e076c3da8 EFLAGS: 00000002 [ 48.366037] RAX: 0000000000000001 RBX: ffffffffadecd3c8 RCX: 0000000000000000 [ 48.366037] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffffffffadecd3c8 [ 48.366038] RBP: ffffc04e076c3dd8 R08: 000000002f43f57e R09: 0000000072c41751 [ 48.366038] R10: 0000000066350959 R11: 00000000f3ffe87e R12: ffffc04e076c3e30 [ 48.366038] R13: ffffffffadecd3c8 R14: ffffc04e076c3e30 R15: 0000000000000040 [ 48.366039] FS: 00007f016e063700(0000) GS:ffffa3da43580000(0000) knlGS:0000000000000000 [ 48.366039] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.366040] CR2: 0000562d8b3d63fa CR3: 0000000edc88a002 CR4: 00000000003606a0 [ 48.366040] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.366040] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.366041] Call Trace: [ 48.366041] do_raw_spin_lock+0xa0/0xb0 [ 48.366041] _raw_spin_lock_irqsave+0x20/0x26 [ 48.366042] _extract_crng+0x52/0x130 [ 48.366042] urandom_read+0xf9/0x2c0 [ 48.366042] vfs_read+0xad/0x170 [ 48.366043] SyS_read+0x4b/0xa0 [ 48.366043] ? __audit_syscall_exit+0x21e/0x2c0 [ 48.366044] do_syscall_64+0x70/0x200 [ 48.366044] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 48.366044] RIP: 0033:0x7f016da39410 [ 48.366045] RSP: 002b:00007ffc2c45a3d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 48.366046] RAX: ffffffffffffffda RBX: 0000000000029ee7 RCX: 00007f016da39410 [ 48.366046] RDX: 0000000000000400 RSI: 0000558176fbc000 RDI: 0000000000000000 [ 48.366046] RBP: 00007ffc2c45a400 R08: 0000000000000000 R09: 000000000000000d [ 48.366047] R10: fffffffffffff000 R11: 0000000000000246 R12: 0000000000000000 [ 48.366047] R13: 00007f016e063690 R14: 0000000000000400 R15: 0000558176fbc000 [ 48.366048] Code: 75 2e be 01 00 00 00 f0 0f b1 37 85 c0 75 21 65 ff 0d 93 ce f7 52 5d c3 f3 90 8b 37 81 fe 00 01 00 00 74 f4 e9 64 ff ff ff f3 90 3d ff ff ff 8d 71 01 c1 e2 10 c1 e6 12 09 d6 89 f0 c1 e8 10 [ 48.366062] NMI backtrace for cpu 12 [ 48.366062] CPU: 12 PID: 958 Comm: dd Tainted: G O 4.14.79 #33 [ 48.366063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.366063] task: ffffa3da2caeaac0 task.stack: ffffc04e07930000 [ 48.366064] RIP: 0010:native_queued_spin_lock_slowpath+0xce/0x1b0 [ 48.366064] RSP: 0018:ffffc04e07933da8 EFLAGS: 00000002 [ 48.366065] RAX: 0000000000000001 RBX: ffffffffadecd3c8 RCX: 0000000000000000 [ 48.366065] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffffffffadecd3c8 [ 48.366066] RBP: ffffc04e07933dd8 R08: 00000000944dcd42 R09: 000000000f07d125 [ 48.366066] R10: 000000001e88050f R11: 000000005909c042 R12: ffffc04e07933e30 [ 48.366067] R13: ffffffffadecd3c8 R14: ffffc04e07933e30 R15: 0000000000000040 [ 48.366067] FS: 00007fa18e75f700(0000) GS:ffffa3da43500000(0000) knlGS:0000000000000000 [ 48.366067] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.366068] CR2: 00007f4254fd62d0 CR3: 0000000ede3e6006 CR4: 00000000003606a0 [ 48.366068] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.366069] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.366069] Call Trace: [ 48.366069] do_raw_spin_lock+0xa0/0xb0 [ 48.366070] _raw_spin_lock_irqsave+0x20/0x26 [ 48.366070] _extract_crng+0x52/0x130 [ 48.366070] urandom_read+0xf9/0x2c0 [ 48.366071] vfs_read+0xad/0x170 [ 48.366071] SyS_read+0x4b/0xa0 [ 48.366071] ? __audit_syscall_exit+0x21e/0x2c0 [ 48.366072] do_syscall_64+0x70/0x200 [ 48.366072] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 48.366072] RIP: 0033:0x7fa18e135410 [ 48.366073] RSP: 002b:00007ffcf4ceb518 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 48.366074] RAX: ffffffffffffffda RBX: 000000000002861a RCX: 00007fa18e135410 [ 48.366074] RDX: 0000000000000400 RSI: 000055ef19030000 RDI: 0000000000000000 [ 48.366074] RBP: 00007ffcf4ceb540 R08: 0000000000000000 R09: 000000000000000d [ 48.366075] R10: fffffffffffff000 R11: 0000000000000246 R12: 0000000000000000 [ 48.366075] R13: 00007fa18e75f690 R14: 0000000000000400 R15: 000055ef19030000 [ 48.366075] Code: 75 2e be 01 00 00 00 f0 0f b1 37 85 c0 75 21 65 ff 0d 93 ce f7 52 5d c3 f3 90 8b 37 81 fe 00 01 00 00 74 f4 e9 64 ff ff ff f3 90 3d ff ff ff 8d 71 01 c1 e2 10 c1 e6 12 09 d6 89 f0 c1 e8 10 [ 48.366089] NMI backtrace for cpu 10 [ 48.366090] CPU: 10 PID: 970 Comm: dd Tainted: G O 4.14.79 #33 [ 48.366090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.366091] task: ffffa3da1e2b9c80 task.stack: ffffc04e07648000 [ 48.366091] RIP: 0010:native_queued_spin_lock_slowpath+0xce/0x1b0 [ 48.366091] RSP: 0018:ffffc04e0764bda8 EFLAGS: 00000002 [ 48.366092] RAX: 0000000000000001 RBX: ffffffffadecd3c8 RCX: 0000000000000000 [ 48.366093] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffffffffadecd3c8 [ 48.366093] RBP: ffffc04e0764bdd8 R08: 000000005ff6e80a R09: 00000000488cc97c [ 48.366093] R10: 0000000049a24741 R11: 000000003c8a7f14 R12: ffffc04e0764be30 [ 48.366094] R13: ffffffffadecd3c8 R14: ffffc04e0764be30 R15: 0000000000000040 [ 48.366094] FS: 00007fce45b0a700(0000) GS:ffffa3da43480000(0000) knlGS:0000000000000000 [ 48.366095] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.366095] CR2: 000055a39aef4938 CR3: 0000000edc924001 CR4: 00000000003606a0 [ 48.366095] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.366096] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.366096] Call Trace: [ 48.366096] do_raw_spin_lock+0xa0/0xb0 [ 48.366097] _raw_spin_lock_irqsave+0x20/0x26 [ 48.366097] _extract_crng+0x52/0x130 [ 48.366097] urandom_read+0xf9/0x2c0 [ 48.366098] vfs_read+0xad/0x170 [ 48.366098] SyS_read+0x4b/0xa0 [ 48.366098] ? __audit_syscall_exit+0x21e/0x2c0 [ 48.366099] do_syscall_64+0x70/0x200 [ 48.366099] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 48.366099] RIP: 0033:0x7fce454e0410 [ 48.366100] RSP: 002b:00007ffc04eebd58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 48.366101] RAX: ffffffffffffffda RBX: 0000000000025a27 RCX: 00007fce454e0410 [ 48.366101] RDX: 0000000000000400 RSI: 000055cb94ecc000 RDI: 0000000000000000 [ 48.366101] RBP: 00007ffc04eebd80 R08: 0000000000000000 R09: 000000000000000d [ 48.366102] R10: fffffffffffff000 R11: 0000000000000246 R12: 0000000000000000 [ 48.366102] R13: 00007fce45b0a690 R14: 0000000000000400 R15: 000055cb94ecc000 [ 48.366102] Code: 75 2e be 01 00 00 00 f0 0f b1 37 85 c0 75 21 65 ff 0d 93 ce f7 52 5d c3 f3 90 8b 37 81 fe 00 01 00 00 74 f4 e9 64 ff ff ff f3 90 3d ff ff ff 8d 71 01 c1 e2 10 c1 e6 12 09 d6 89 f0 c1 e8 10 [ 48.366116] NMI backtrace for cpu 7 [ 48.366117] CPU: 7 PID: 956 Comm: dd Tainted: G O 4.14.79 #33 [ 48.366117] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.366118] task: ffffa3da1e3a0000 task.stack: ffffc04e07778000 [ 48.366118] RIP: 0010:native_queued_spin_lock_slowpath+0xce/0x1b0 [ 48.366118] RSP: 0018:ffffc04e0777bda8 EFLAGS: 00000002 [ 48.366119] RAX: 0000000000000001 RBX: ffffffffadecd3c8 RCX: 0000000000000000 [ 48.366120] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffffffffadecd3c8 [ 48.366120] RBP: ffffc04e0777bdd8 R08: 0000000087f524c7 R09: 00000000130c71f1 [ 48.366121] R10: 00000000a72ccfc7 R11: 00000000900b6142 R12: ffffc04e0777be30 [ 48.366121] R13: ffffffffadecd3c8 R14: ffffc04e0777be30 R15: 0000000000000040 [ 48.366122] FS: 00007f5312a09700(0000) GS:ffffa3da433c0000(0000) knlGS:0000000000000000 [ 48.366122] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.366123] CR2: 00007fdd9d09aba0 CR3: 0000000ee16f6004 CR4: 00000000003606a0 [ 48.366123] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.366123] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.366124] Call Trace: [ 48.366124] do_raw_spin_lock+0xa0/0xb0 [ 48.366124] _raw_spin_lock_irqsave+0x20/0x26 [ 48.366125] _extract_crng+0x52/0x130 [ 48.366125] urandom_read+0xf9/0x2c0 [ 48.366125] vfs_read+0xad/0x170 [ 48.366126] SyS_read+0x4b/0xa0 [ 48.366126] ? __audit_syscall_exit+0x21e/0x2c0 [ 48.366126] do_syscall_64+0x70/0x200 [ 48.366127] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 48.366127] RIP: 0033:0x7f53123df410 [ 48.366127] RSP: 002b:00007ffd5c3163d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 48.366128] RAX: ffffffffffffffda RBX: 00000000000267bd RCX: 00007f53123df410 [ 48.366128] RDX: 0000000000000400 RSI: 0000562641ec2000 RDI: 0000000000000000 [ 48.366129] RBP: 00007ffd5c316400 R08: 0000000000000000 R09: 000000000000000d [ 48.366129] R10: fffffffffffff000 R11: 0000000000000246 R12: 0000000000000000 [ 48.366130] R13: 00007f5312a09690 R14: 0000000000000400 R15: 0000562641ec2000 [ 48.366130] Code: 75 2e be 01 00 00 00 f0 0f b1 37 85 c0 75 21 65 ff 0d 93 ce f7 52 5d c3 f3 90 8b 37 81 fe 00 01 00 00 74 f4 e9 64 ff ff ff f3 90 3d ff ff ff 8d 71 01 c1 e2 10 c1 e6 12 09 d6 89 f0 c1 e8 10 [ 48.366143] NMI backtrace for cpu 15 [ 48.366144] CPU: 15 PID: 968 Comm: dd Tainted: G O 4.14.79 #33 [ 48.366144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.366144] task: ffffa3da2caeb900 task.stack: ffffc04e07758000 [ 48.366145] RIP: 0010:native_queued_spin_lock_slowpath+0xce/0x1b0 [ 48.366145] RSP: 0018:ffffc04e0775bda8 EFLAGS: 00000002 [ 48.366146] RAX: 0000000000000001 RBX: ffffffffadecd3c8 RCX: 0000000000000000 [ 48.366146] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffffffffadecd3c8 [ 48.366147] RBP: ffffc04e0775bdd8 R08: 000000000cedf674 R09: 000000001205cfdd [ 48.366147] R10: 00000000a2a512e0 R11: 00000000171b5795 R12: ffffc04e0775be30 [ 48.366147] R13: ffffffffadecd3c8 R14: ffffc04e0775be30 R15: 0000000000000040 [ 48.366148] FS: 00007fc929c81700(0000) GS:ffffa3da435c0000(0000) knlGS:0000000000000000 [ 48.366148] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.366148] CR2: 00007f73a627b750 CR3: 0000000ee40b4001 CR4: 00000000003606a0 [ 48.366149] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.366149] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.366149] Call Trace: [ 48.366150] do_raw_spin_lock+0xa0/0xb0 [ 48.366150] _raw_spin_lock_irqsave+0x20/0x26 [ 48.366150] _extract_crng+0x52/0x130 [ 48.366151] urandom_read+0xf9/0x2c0 [ 48.366151] vfs_read+0xad/0x170 [ 48.366151] SyS_read+0x4b/0xa0 [ 48.366152] ? __audit_syscall_exit+0x21e/0x2c0 [ 48.366152] do_syscall_64+0x70/0x200 [ 48.366152] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 48.366153] RIP: 0033:0x7fc929657410 [ 48.366153] RSP: 002b:00007ffe58971538 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 48.366154] RAX: ffffffffffffffda RBX: 0000000000023d40 RCX: 00007fc929657410 [ 48.366154] RDX: 0000000000000400 RSI: 000055cc31cf3000 RDI: 0000000000000000 [ 48.366154] RBP: 00007ffe58971560 R08: 0000000000000000 R09: 000000000000000d [ 48.366155] R10: fffffffffffff000 R11: 0000000000000246 R12: 0000000000000000 [ 48.366155] R13: 00007fc929c81690 R14: 0000000000000400 R15: 000055cc31cf3000 [ 48.366156] Code: 75 2e be 01 00 00 00 f0 0f b1 37 85 c0 75 21 65 ff 0d 93 ce f7 52 5d c3 f3 90 8b 37 81 fe 00 01 00 00 74 f4 e9 64 ff ff ff f3 90 3d ff ff ff 8d 71 01 c1 e2 10 c1 e6 12 09 d6 89 f0 c1 e8 10 [ 48.366169] NMI backtrace for cpu 4 [ 48.366170] CPU: 4 PID: 953 Comm: dd Tainted: G O 4.14.79 #33 [ 48.366170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.366171] task: ffffa3da1e288000 task.stack: ffffc04e076f8000 [ 48.366171] RIP: 0010:native_queued_spin_lock_slowpath+0x12/0x1b0 [ 48.366172] RSP: 0018:ffffc04e076fbda8 EFLAGS: 00000002 [ 48.366172] RAX: 0000000000000001 RBX: ffffffffadecd3c8 RCX: 0000000000000000 [ 48.366173] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffffffffadecd3c8 [ 48.366173] RBP: ffffc04e076fbdd8 R08: 0000000073a95a12 R09: 0000000050c6526e [ 48.366174] R10: 00000000854d712d R11: 000000007bbf968d R12: ffffc04e076fbe30 [ 48.366174] R13: ffffffffadecd3c8 R14: ffffc04e076fbe30 R15: 0000000000000040 [ 48.366175] FS: 00007fcd2ba98700(0000) GS:ffffa3da43300000(0000) knlGS:0000000000000000 [ 48.366175] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.366175] CR2: 00007f364c1f08c0 CR3: 0000000ede396001 CR4: 00000000003606a0 [ 48.366176] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.366176] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.366176] Call Trace: [ 48.366177] do_raw_spin_lock+0xa0/0xb0 [ 48.366177] _raw_spin_lock_irqsave+0x20/0x26 [ 48.366177] _extract_crng+0x52/0x130 [ 48.366178] urandom_read+0xf9/0x2c0 [ 48.366178] vfs_read+0xad/0x170 [ 48.366178] SyS_read+0x4b/0xa0 [ 48.366179] ? __audit_syscall_exit+0x21e/0x2c0 [ 48.366179] do_syscall_64+0x70/0x200 [ 48.366180] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 48.366180] RIP: 0033:0x7fcd2b46e410 [ 48.366180] RSP: 002b:00007ffc41e60388 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 48.366181] RAX: ffffffffffffffda RBX: 000000000002b1a8 RCX: 00007fcd2b46e410 [ 48.366182] RDX: 0000000000000400 RSI: 000055f8d658e000 RDI: 0000000000000000 [ 48.366182] RBP: 00007ffc41e603b0 R08: 0000000000000000 R09: 000000000000000d [ 48.366182] R10: fffffffffffff000 R11: 0000000000000246 R12: 0000000000000000 [ 48.366183] R13: 00007fcd2ba98690 R14: 0000000000000400 R15: 000055f8d658e000 [ 48.366183] Code: 44 24 08 c6 03 01 48 8b 2c 24 48 c7 00 00 00 00 00 e9 29 fe ff ff 0f 1f 00 0f 1f 44 00 00 55 0f 1f 44 00 00 ba 01 00 00 00 8b 07 <85> c0 0f 85 b2 00 00 00 f0 0f b1 17 85 c0 75 ee 5d c3 81 fe 00 [ 48.366197] NMI backtrace for cpu 1 [ 48.366197] CPU: 1 PID: 972 Comm: dd Tainted: G O 4.14.79 #33 [ 48.366198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.366198] task: ffffa3da2e76aac0 task.stack: ffffc04e07788000 [ 48.366199] RIP: 0010:native_queued_spin_lock_slowpath+0x12/0x1b0 [ 48.366199] RSP: 0018:ffffc04e0778bda8 EFLAGS: 00000002 [ 48.366200] RAX: 0000000000000001 RBX: ffffffffadecd3c8 RCX: ffffc04e0778bef0 [ 48.366200] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffffffffadecd3c8 [ 48.366201] RBP: ffffc04e0778bdd8 R08: 0000000000000000 R09: 0000000000000000 [ 48.366201] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc04e0778be30 [ 48.366201] R13: ffffffffadecd3c8 R14: ffffc04e0778be30 R15: 0000000000000040 [ 48.366202] FS: 00007fcb41458700(0000) GS:ffffa3da43240000(0000) knlGS:0000000000000000 [ 48.366202] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.366203] CR2: 000055a35e25613c CR3: 0000000edc9ca005 CR4: 00000000003606a0 [ 48.366203] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.366203] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.366204] Call Trace: [ 48.366204] do_raw_spin_lock+0xa0/0xb0 [ 48.366204] _raw_spin_lock_irqsave+0x20/0x26 [ 48.366205] _extract_crng+0x52/0x130 [ 48.366205] urandom_read+0xf9/0x2c0 [ 48.366205] vfs_read+0xad/0x170 [ 48.366206] SyS_read+0x4b/0xa0 [ 48.366206] ? __audit_syscall_exit+0x21e/0x2c0 [ 48.366206] do_syscall_64+0x70/0x200 [ 48.366207] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 48.366207] RIP: 0033:0x7fcb40e2e410 [ 48.366207] RSP: 002b:00007ffdd2b5d348 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 48.366208] RAX: ffffffffffffffda RBX: 0000000000025648 RCX: 00007fcb40e2e410 [ 48.366208] RDX: 0000000000000400 RSI: 000055b7a0519000 RDI: 0000000000000000 [ 48.366209] RBP: 00007ffdd2b5d370 R08: 0000000000000000 R09: 000000000000000d [ 48.366209] R10: fffffffffffff000 R11: 0000000000000246 R12: 0000000000000000 [ 48.366209] R13: 00007fcb41458690 R14: 0000000000000400 R15: 000055b7a0519000 [ 48.366210] Code: 44 24 08 c6 03 01 48 8b 2c 24 48 c7 00 00 00 00 00 e9 29 fe ff ff 0f 1f 00 0f 1f 44 00 00 55 0f 1f 44 00 00 ba 01 00 00 00 8b 07 <85> c0 0f 85 b2 00 00 00 f0 0f b1 17 85 c0 75 ee 5d c3 81 fe 00 [ 48.366223] NMI backtrace for cpu 2 [ 48.366223] CPU: 2 PID: 952 Comm: dd Tainted: G O 4.14.79 #33 [ 48.366224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.366224] task: ffffa3da1e2b8000 task.stack: ffffc04e077e8000 [ 48.366224] RIP: 0010:native_queued_spin_lock_slowpath+0x12/0x1b0 [ 48.366225] RSP: 0018:ffffc04e077ebda8 EFLAGS: 00000002 [ 48.366226] RAX: 0000000000000001 RBX: ffffffffadecd3c8 RCX: 0000000000000000 [ 48.366226] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffffffffadecd3c8 [ 48.366226] RBP: ffffc04e077ebdd8 R08: 0000000043cef058 R09: 00000000cfa81335 [ 48.366227] R10: 000000003ab03ada R11: 00000000a26a1af1 R12: ffffc04e077ebe30 [ 48.366227] R13: ffffffffadecd3c8 R14: ffffc04e077ebe30 R15: 0000000000000040 [ 48.366227] FS: 00007f24d6c90700(0000) GS:ffffa3da43280000(0000) knlGS:0000000000000000 [ 48.366228] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.366228] CR2: 0000555a040f73fa CR3: 0000000ef31c6005 CR4: 00000000003606a0 [ 48.366228] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.366229] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.366229] Call Trace: [ 48.366229] do_raw_spin_lock+0xa0/0xb0 [ 48.366230] _raw_spin_lock_irqsave+0x20/0x26 [ 48.366230] _extract_crng+0x52/0x130 [ 48.366231] urandom_read+0xf9/0x2c0 [ 48.366231] vfs_read+0xad/0x170 [ 48.366231] SyS_read+0x4b/0xa0 [ 48.366232] ? __audit_syscall_exit+0x21e/0x2c0 [ 48.366232] do_syscall_64+0x70/0x200 [ 48.366233] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 48.366233] RIP: 0033:0x7f24d6666410 [ 48.366233] RSP: 002b:00007ffc09334398 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 48.366234] RAX: ffffffffffffffda RBX: 0000000000025b40 RCX: 00007f24d6666410 [ 48.366235] RDX: 0000000000000400 RSI: 000055ac9bc9e000 RDI: 0000000000000000 [ 48.366235] RBP: 00007ffc093343c0 R08: 0000000000000000 R09: 000000000000000d [ 48.366235] R10: fffffffffffff000 R11: 0000000000000246 R12: 0000000000000000 [ 48.366236] R13: 00007f24d6c90690 R14: 0000000000000400 R15: 000055ac9bc9e000 [ 48.366236] Code: 44 24 08 c6 03 01 48 8b 2c 24 48 c7 00 00 00 00 00 e9 29 fe ff ff 0f 1f 00 0f 1f 44 00 00 55 0f 1f 44 00 00 ba 01 00 00 00 8b 07 <85> c0 0f 85 b2 00 00 00 f0 0f b1 17 85 c0 75 ee 5d c3 81 fe 00 [ 48.366257] NMI backtrace for cpu 8 [ 48.366258] CPU: 8 PID: 978 Comm: dd Tainted: G O 4.14.79 #33 [ 48.366259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.366259] task: ffffa3da1e311c80 task.stack: ffffc04e077c0000 [ 48.366260] RIP: 0010:native_queued_spin_lock_slowpath+0xce/0x1b0 [ 48.366260] RSP: 0018:ffffc04e077c3da8 EFLAGS: 00000002 [ 48.366261] RAX: 0000000000000001 RBX: ffffffffadecd3c8 RCX: 0000000000000000 [ 48.366262] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffffffffadecd3c8 [ 48.366262] RBP: ffffc04e077c3dd8 R08: 000000009f7f8ef3 R09: 0000000048862586 [ 48.366263] R10: 00000000c997070d R11: 00000000fe1ab98c R12: ffffc04e077c3e30 [ 48.366263] R13: ffffffffadecd3c8 R14: ffffc04e077c3e30 R15: 0000000000000040 [ 48.366264] FS: 00007fdb118b0700(0000) GS:ffffa3da43400000(0000) knlGS:0000000000000000 [ 48.366264] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.366265] CR2: 000055de0cdbcac0 CR3: 0000000edca4c006 CR4: 00000000003606a0 [ 48.366265] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.366266] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.366266] Call Trace: [ 48.366266] do_raw_spin_lock+0xa0/0xb0 [ 48.366267] _raw_spin_lock_irqsave+0x20/0x26 [ 48.366267] _extract_crng+0x52/0x130 [ 48.366267] urandom_read+0xf9/0x2c0 [ 48.366268] vfs_read+0xad/0x170 [ 48.366268] SyS_read+0x4b/0xa0 [ 48.366269] ? __audit_syscall_exit+0x21e/0x2c0 [ 48.366269] do_syscall_64+0x70/0x200 [ 48.366269] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 48.366270] RIP: 0033:0x7fdb11286410 [ 48.366270] RSP: 002b:00007ffdbddda708 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 48.366271] RAX: ffffffffffffffda RBX: 000000000002658b RCX: 00007fdb11286410 [ 48.366271] RDX: 0000000000000400 RSI: 00005637eee18000 RDI: 0000000000000000 [ 48.366272] RBP: 00007ffdbddda730 R08: 0000000000000000 R09: 000000000000000d [ 48.366272] R10: fffffffffffff000 R11: 0000000000000246 R12: 0000000000000000 [ 48.366273] R13: 00007fdb118b0690 R14: 0000000000000400 R15: 00005637eee18000 [ 48.366273] Code: 75 2e be 01 00 00 00 f0 0f b1 37 85 c0 75 21 65 ff 0d 93 ce f7 52 5d c3 f3 90 8b 37 81 fe 00 01 00 00 74 f4 e9 64 ff ff ff f3 90 3d ff ff ff 8d 71 01 c1 e2 10 c1 e6 12 09 d6 89 f0 c1 e8 10 [ 48.366287] NMI backtrace for cpu 0 [ 48.366288] CPU: 0 PID: 950 Comm: dd Tainted: G O 4.14.79 #33 [ 48.366289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.366289] task: ffffa3da1e310000 task.stack: ffffc04e076e8000 [ 48.366290] RIP: 0010:native_queued_spin_lock_slowpath+0x12/0x1b0 [ 48.366290] RSP: 0018:ffffc04e076ebda8 EFLAGS: 00000002 [ 48.366291] RAX: 0000000000000001 RBX: ffffffffadecd3c8 RCX: 0000000000000000 [ 48.366292] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffffffffadecd3c8 [ 48.366292] RBP: ffffc04e076ebdd8 R08: 00000000173ee25a R09: 00000000307066a7 [ 48.366293] R10: 000000007bb0d182 R11: 0000000075da0cf3 R12: ffffc04e076ebe30 [ 48.366293] R13: ffffffffadecd3c8 R14: ffffc04e076ebe30 R15: 0000000000000040 [ 48.366294] FS: 00007f75e9e55700(0000) GS:ffffa3da43200000(0000) knlGS:0000000000000000 [ 48.366294] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.366295] CR2: 000000c420dd4000 CR3: 0000000ede370005 CR4: 00000000003606b0 [ 48.366295] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.366295] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.366296] Call Trace: [ 48.366296] do_raw_spin_lock+0xa0/0xb0 [ 48.366296] _raw_spin_lock_irqsave+0x20/0x26 [ 48.366297] _extract_crng+0x52/0x130 [ 48.366297] urandom_read+0xf9/0x2c0 [ 48.366297] vfs_read+0xad/0x170 [ 48.366298] SyS_read+0x4b/0xa0 [ 48.366298] ? __audit_syscall_exit+0x21e/0x2c0 [ 48.366298] do_syscall_64+0x70/0x200 [ 48.366299] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 48.366299] RIP: 0033:0x7f75e982b410 [ 48.366299] RSP: 002b:00007ffd3f4b76c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 48.366300] RAX: ffffffffffffffda RBX: 0000000000029034 RCX: 00007f75e982b410 [ 48.366301] RDX: 0000000000000400 RSI: 000055da49bec000 RDI: 0000000000000000 [ 48.366301] RBP: 00007ffd3f4b76f0 R08: 0000000000000000 R09: 000000000000000d [ 48.366301] R10: fffffffffffff000 R11: 0000000000000246 R12: 0000000000000000 [ 48.366302] R13: 00007f75e9e55690 R14: 0000000000000400 R15: 000055da49bec000 [ 48.366302] Code: 44 24 08 c6 03 01 48 8b 2c 24 48 c7 00 00 00 00 00 e9 29 fe ff ff 0f 1f 00 0f 1f 44 00 00 55 0f 1f 44 00 00 ba 01 00 00 00 8b 07 <85> c0 0f 85 b2 00 00 00 f0 0f b1 17 85 c0 75 ee 5d c3 81 fe 00 [ 48.366857] Kernel panic - not syncing: softlockup: hung tasks [ 48.366858] CPU: 3 PID: 1102 Comm: lockme Tainted: G O L 4.14.79 #33 [ 48.366859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.366860] Call Trace: [ 48.366862] [ 48.366864] dump_stack+0x63/0x82 [ 48.366868] panic+0xd6/0x22d [ 48.366871] ? cpumask_next+0x1a/0x20 [ 48.366874] watchdog_timer_fn+0x22b/0x240 [ 48.366876] ? watchdog+0x30/0x30 [ 48.366879] __hrtimer_run_queues+0xed/0x240 [ 48.366881] hrtimer_interrupt+0xac/0x1b0 [ 48.366884] smp_apic_timer_interrupt+0x70/0x140 [ 48.366886] apic_timer_interrupt+0x7d/0x90 [ 48.366887] [ 48.366890] RIP: 0010:hog_thread+0x13/0x1000 [lockme] [ 48.366890] RSP: 0018:ffffc04e077e3f10 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10 [ 48.366892] RAX: 0000000000000011 RBX: ffffa3da362ffa80 RCX: 0000000000000000 [ 48.366893] RDX: ffffa3da432dd740 RSI: ffffa3da432d54f8 RDI: ffffa3da432d54f8 [ 48.366893] RBP: ffffc04e077e3f48 R08: 0000000000000030 R09: 0000000000000000 [ 48.366894] R10: 0000000000000358 R11: 0000000000000000 R12: ffffa3da33f7c940 [ 48.366895] R13: ffffc04e079b7c58 R14: 0000000000000000 R15: ffffa3da362ffac8 [ 48.366898] kthread+0x127/0x160 [ 48.366899] ? 0xffffffffc04bc000 [ 48.366900] ? kthread_create_on_node+0x40/0x40 [ 48.366902] ret_from_fork+0x35/0x40 [ 49.433843] Shutting down cpus with NMI [ 49.434570] Kernel Offset: 0x2c000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 51.728081] ACPI MEMORY or I/O RESET_REG. SeaBIOS (version 1.8.2-20181112_143635-google) Total RAM Size = 0x0000000f00000000 = 61440 MiB CPUs found: 16 Max CPUs supported: 16 found virtio-scsi at 0:3 virtio-scsi vendor='Google' product='PersistentDisk' rev='1' type=0 removable=0 virtio-scsi blksize=512 sectors=14680064 = 7168 MiB drive 0x000f2c60: PCHS=0/0/0 translation=lba LCHS=913/255/63 s=14680064 Booting from Hard Disk 0... On Fri, Dec 28, 2018 at 2:27 AM Greg KH wrote: > > On Fri, Dec 28, 2018 at 09:16:51AM +0900, Sergey Senozhatsky wrote: > > On (12/12/18 17:10), Sergey Senozhatsky wrote: > > > And there will be another -stable backport request in a week or so. > > > > The remaining one: > > > > commit c7c3f05e341a9a2bd > > Now queued up, thanks. > > greg k-h -- Best, Daniel --00000000000036f77e057e1c3d10 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIIS7QYJKoZIhvcNAQcCoIIS3jCCEtoCAQExDzANBglghkgBZQMEAgEFADALBgkqhkiG9w0BBwGg ghBTMIIEXDCCA0SgAwIBAgIOSBtqDm4P/739RPqw/wcwDQYJKoZIhvcNAQELBQAwZDELMAkGA1UE BhMCQkUxGTAXBgNVBAoTEEdsb2JhbFNpZ24gbnYtc2ExOjA4BgNVBAMTMUdsb2JhbFNpZ24gUGVy c29uYWxTaWduIFBhcnRuZXJzIENBIC0gU0hBMjU2IC0gRzIwHhcNMTYwNjE1MDAwMDAwWhcNMjEw NjE1MDAwMDAwWjBMMQswCQYDVQQGEwJCRTEZMBcGA1UEChMQR2xvYmFsU2lnbiBudi1zYTEiMCAG 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