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[23.128.96.18]) by mx.google.com with ESMTP id x26si1214817jai.112.2021.08.13.04.52.54; Fri, 13 Aug 2021 04:53:06 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@gmx.net header.s=badeba3b8450 header.b=hdTRWBfR; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=gmx.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240239AbhHMK5K (ORCPT + 99 others); Fri, 13 Aug 2021 06:57:10 -0400 Received: from mout.gmx.net ([212.227.17.22]:60597 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240233AbhHMK5I (ORCPT ); Fri, 13 Aug 2021 06:57:08 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1628852189; bh=tFy8C7ulzxKErEMhEv4GUTSgUzK83sEXRnChq8wbKFg=; h=X-UI-Sender-Class:Subject:From:To:Cc:Date:In-Reply-To:References; b=hdTRWBfR9jbzzkkznC7lC6qIWBCrMj073Ezt3yupI1hExf4L/L7/5pjkuTnfZKBlK rIRz2zq84RjYrJ/1IyhK1uYPzUAR7XxIZZTfhSB7Ty5GprXf+CpyEr5zzKITi9bpBD 3Qs+nbP+N5DzC673Yucy/tSKA/AJclH3FhsDx4cs= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from homer.fritz.box ([185.191.218.172]) by mail.gmx.net (mrgmx104 [212.227.17.168]) with ESMTPSA (Nemesis) id 1N8XU1-1nA5Qi2qTh-014R4m; Fri, 13 Aug 2021 12:56:29 +0200 Message-ID: <8c012c35852e98af99a6b6234a3f57ac27cd980a.camel@gmx.de> Subject: Re: [ANNOUNCE] v5.14-rc5-rt8 From: Mike Galbraith To: Clark Williams , Sebastian Andrzej Siewior Cc: Thomas Gleixner , Vlastimil Babka , LKML , RT Date: Fri, 13 Aug 2021 12:56:28 +0200 In-Reply-To: <20210812151803.52f84aaf@theseus.lan> References: <20210810163731.2qvfuhenolq2gdlv@linutronix.de> <20210812151803.52f84aaf@theseus.lan> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.40.3 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:3WZYACclXDOtJ4xTqk/TayiLDpwxcSWLvMtRFLdpIWWy8vhoKwK uGO4wlw4jF2s+J/q15npW1G3cmbFHQOAF5/hPlPXytkApHRdt45ys47UjUSNUKFtrfKSicR ImmUZOr2OFjQvVrTseVSsb5/5RDd+y0d9em09RVy5JjrLQnP60cZrWU0kvx0mIwUjWWL6g/ eynhtBMUQ4saPgPEqxf5w== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:FaBgR6FM/2U=:mJTeSUQB9iFX3bkJkgUKVs QiKbAzqhQoMY3gWumAIA+G0i4/7tSWmb2aES8BK0uGWmE3zyTtgtAFigVc8jEUagkgjqYyTky nFUIVnLZEJ9EZ0QsqrzT+HQYGjDnVYwF20ie4fqipp5VbDHbo9rBExzNKZV134bU67gX8Tk+5 NO1inQZpg3tonvPhpUTu4/oE25M0uIoCgkDzfgvPHXiEFz1z7UVx33PMzj7XvwpntTcuAsp77 p+rcXHeOTXogNgfADd2fY0vXb6OhM9J7eM+JfxNNpIKEzYP/YgmmTCR76ZrcXsdBLcbCpfMqe xY/hIxcKk1Eh9jrRTM4Ly3oIKHNJozUcMESLyVPtZVX5TcWBT1ZuXHueiAbuhqAU+lg0+/Tbb 4lK9uUr/PyI82Diqsoddkg3tE5+erJp2rrlCmj7fIC0xRIb5ebxejBOzdTUcNM0zwwxUJWQjg JQz57HBFOGLZfUu5hUkNLf9OB3EnstKAcyrZzXU52NnWDGzP34czMHcmyyoVY0eLlzg5Z5TNu g5xZAantW5biRuSSDPGvy1stRbLITNcBd7D2T8x/4hCt30ZS+DjX70NjBDzTP/E8K7ah4pTSI D6gFIBGpzpxxfEA75uB4DmOtD3Q5MCJTwsCswSi3sv7cNTo3g6tss0CfQUaH4D6Hva6ZeKkr6 BWSMVZTur2icCqRCHHE82vHsGMGgc/RUG5DP2mBEp27m1eLf18CCuBWla/QYetzIO+agtM1xs oTF+bCn7yofo7NxlgOr1Pf05OsGy+dT6B7TRt2vpI3vDcUq7NCeDCCd0+k5AYxnjFmXP/lL/y ncTHvxw4+CHLDvNzq4oeGFZn07pC9EhBFn9UDKeoZjobXI5RHsdVdLbluBCY/WpyZnPgUQXz/ +RJk1BaRUY5cRt/3hXOJgzH5kBgDt3w8I4pPzTNpJtXSyGeR24lk1fc2KeArxb/It1azZtvS2 ohsfKW6uh5zJ2EL6kGNQWQnqXUFDGz7a4X/hTO0m65tAJg8iuGXuV/Au62lggNlPYIbO0jI5g vKErLlWqeS8NhT6R1nceGUnfaWcNChW4iK0lHCLZ4/0M4D9k4we3b8fikRz7guIa6VId4krMU NiQ1Zka6u65A7OqaZTqje+WdpNEP0r+/7hP Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2021-08-12 at 15:18 -0500, Clark Williams wrote: >=20 > Sebastian, et al, >=20 > Got the following panic running v5.14-rc5-rt8: >=20 > ... > Config is attached.=20 >=20 > I was running the rteval script that kicks off parallel kernel builds > and hackbench runs as loads and runs cyclictest with a thread on each > core: >=20 > $ sudo rteval --duration=3D10m It took my box more than 10 minutes to explode, but with all those debug options turned on, it did manage to do so in fairly short order. Off to build a fixed up 5.13-rt... [ 2081.451009] page:0000000039d9ce01 refcount:0 mapcount:0 mapping:00000000= 00000000 index:0x0 pfn:0x284580 [ 2081.451015] flags: 0x17fffc00000000(node=3D0|zone=3D2|lastcpupid=3D0x1ff= ff) [ 2081.451019] raw: 0017fffc00000000 ffffe1ddcb109a08 ffff8abb8dff5c80 0000= 000000000000 [ 2081.451021] raw: 0000000000000000 0000000000100000 00000000ffffffff 0000= 000000000000 [ 2081.451022] page dumped because: VM_BUG_ON_PAGE(!PageSlab(page)) [ 2081.451031] ------------[ cut here ]------------ [ 2081.451032] kernel BUG at ./include/linux/page-flags.h:814! [ 2081.674089] invalid opcode: 0000 [#1] PREEMPT_RT SMP NOPTI [ 2081.674093] CPU: 0 PID: 32749 Comm: hackbench Kdump: loaded Tainted: G = E 5.14.0.g607a4143-tip-rt_debug #5 [ 2081.674096] Hardware name: MEDION MS-7848/MS-7848, BIOS M7848W08.20C 09/= 23/2013 [ 2081.674097] RIP: 0010:___slab_alloc+0x3f5/0x930 [ 2081.674102] Code: 4c 89 f8 0f 85 26 05 00 00 48 8d 65 d0 5b 41 5a 41 5c = 41 5d 41 5e 41 5f 5d 49 8d 62 f8 c3 48 c7 c6 90 2e b7 a2 e8 5b d5 f9 ff <0f= > 0b 65 8b 05 c2 fe 69 5e 48 98 8b 8d 70 ff ff ff 48 8d 95 78 ff [ 2081.674104] RSP: 0018:ffff97e8d2247a70 EFLAGS: 00010282 [ 2081.674107] RAX: 0000000000000034 RBX: ffff8ab880045900 RCX: 00000000000= 00001 [ 2081.674108] RDX: 0000000000000000 RSI: ffffffffa2b9ac2b RDI: 00000000fff= fffff [ 2081.674110] RBP: ffff97e8d2247b40 R08: 0000000000000001 R09: 00000000000= 00001 [ 2081.674111] R10: ffff97e8d2247a70 R11: 0000000000000034 R12: ffff8abb8df= f3130 [ 2081.674112] R13: ffffffffa2c23ac0 R14: 00000000ffffffff R15: 00000000001= f3130 [ 2081.674114] FS: 00007f8c2f1c0740(0000) GS:ffff8abb8de00000(0000) knlGS:= 0000000000000000 [ 2081.674115] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2081.674117] CR2: 00007faca12850a0 CR3: 00000002c4e4c001 CR4: 00000000001= 706f0 [ 2081.674118] Call Trace: [ 2081.674122] ? lock_is_held_type+0xeb/0x140 [ 2081.674127] ? __alloc_skb+0x8c/0x1b0 [ 2081.674131] ? lock_release+0x289/0x430 [ 2081.674137] ? __alloc_skb+0x8c/0x1b0 [ 2081.674138] ? __alloc_skb+0x8c/0x1b0 [ 2081.674140] ? __slab_alloc.isra.79+0x45/0x60 [ 2081.674142] __slab_alloc.isra.79+0x45/0x60 [ 2081.674145] __kmalloc_node_track_caller+0xca/0x1d0 [ 2081.674149] kmalloc_reserve+0x2e/0x80 [ 2081.674153] __alloc_skb+0x8c/0x1b0 [ 2081.674156] alloc_skb_with_frags+0x53/0x1a0 [ 2081.674160] ? finish_wait+0x80/0x80 [ 2081.674164] sock_alloc_send_pskb+0x23b/0x270 [ 2081.674169] ? wait_for_unix_gc+0x42/0xb0 [ 2081.674175] unix_stream_sendmsg+0x209/0x3d0 [ 2081.674183] sock_sendmsg+0x58/0x60 [ 2081.674186] sock_write_iter+0x9a/0x100 [ 2081.674191] new_sync_write+0x1a2/0x1c0 [ 2081.674199] vfs_write+0x3b6/0x410 [ 2081.674204] ksys_write+0x53/0xe0 [ 2081.674206] ? lockdep_hardirqs_on+0x54/0x100 [ 2081.674209] do_syscall_64+0x37/0x80 [ 2081.674214] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 2081.674218] RIP: 0033:0x7f8c2ebd0e93 [ 2081.674221] Code: 75 05 48 83 c4 58 c3 e8 db 3c ff ff 66 2e 0f 1f 84 00 = 00 00 00 00 90 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48= > 3d 00 f0 ff ff 77 55 f3 c3 0f 1f 00 41 54 55 49 89 d4 53 48 89 [ 2081.674223] RSP: 002b:00007ffe616df358 EFLAGS: 00000246 ORIG_RAX: 000000= 0000000001 [ 2081.674225] RAX: ffffffffffffffda RBX: 00000000000003e8 RCX: 00007f8c2eb= d0e93 [ 2081.674226] RDX: 00000000000003e8 RSI: 00007ffe616df360 RDI: 00000000000= 00013 [ 2081.674227] RBP: 00007ffe616df790 R08: 00007ffe616df2b0 R09: 00007f8c2ed= d9010 [ 2081.674228] R10: 0000000000000008 R11: 0000000000000246 R12: 00007ffe616= df360 [ 2081.674229] R13: 000000000000000b R14: 0000000001f90b30 R15: 00000000000= 00000 [ 2081.674236] Modules linked in: af_packet(E) nft_fib_inet(E) nft_fib_ipv4= (E) nft_fib_ipv6(E) nft_fib(E) nft_reject_inet(E) nft_reject(E) nft_ct(E) n= ft_chain_nat(E) nf_tables(E) ebtable_nat(E) ebtable_broute(E) ip6table_nat(= E) ip6table_mangle(E) ip6table_raw(E) ip6table_security(E) iptable_nat(E) n= f_nat(E) nf_conntrack(E) nf_defrag_ipv6(E) nf_defrag_ipv4(E) libcrc32c(E) i= ptable_mangle(E) iptable_raw(E) iptable_security(E) ip_set(E) bridge(E) nfn= etlink(E) stp(E) llc(E) ebtable_filter(E) ebtables(E) iscsi_ibft(E) iscsi_b= oot_sysfs(E) ip6table_filter(E) ip6_tables(E) rfkill(E) iptable_filter(E) i= p_tables(E) x_tables(E) bpfilter(E) nls_iso8859_1(E) nls_cp437(E) joydev(E)= hid_logitech_hidpp(E) usblp(E) intel_rapl_msr(E) intel_rapl_common(E) x86_= pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) irq= bypass(E) crc32_pclmul(E) ghash_clmulni_intel(E) mei_hdcp(E) at24(E) regmap= _i2c(E) aesni_intel(E) crypto_simd(E) cryptd(E) iTCO_wdt(E) intel_pmc_bxt(E= ) iTCO_vendor_support(E) [ 2081.674279] snd_hda_codec_realtek(E) snd_hda_codec_generic(E) ledtrig_a= udio(E) pcspkr(E) r8169(E) realtek(E) snd_hda_codec_hdmi(E) mdio_devres(E) = libphy(E) thermal(E) snd_hda_intel(E) snd_intel_dspcfg(E) snd_intel_sdw_acp= i(E) snd_hda_codec(E) snd_hda_core(E) snd_hwdep(E) snd_pcm(E) snd_timer(E) = mei_me(E) i2c_i801(E) snd(E) lpc_ich(E) mei(E) i2c_smbus(E) intel_smartconn= ect(E) fan(E) mfd_core(E) soundcore(E) sch_fq_codel(E) nfsd(E) auth_rpcgss(= E) nfs_acl(E) lockd(E) grace(E) fuse(E) configfs(E) sunrpc(E) hid_logitech_= dj(E) ums_realtek(E) uas(E) usb_storage(E) hid_generic(E) usbhid(E) nouveau= (E) drm_ttm_helper(E) ttm(E) i2c_algo_bit(E) mxm_wmi(E) wmi(E) drm_kms_help= er(E) syscopyarea(E) sysfillrect(E) sysimgblt(E) fb_sys_fops(E) xhci_pci(E)= cec(E) xhci_pci_renesas(E) ehci_pci(E) ahci(E) rc_core(E) ehci_hcd(E) liba= hci(E) xhci_hcd(E) drm(E) libata(E) usbcore(E) video(E) button(E) sd_mod(E)= t10_pi(E) vfat(E) fat(E) virtio_blk(E) virtio_mmio(E) ext4(E) crc32c_intel= (E) crc16(E) mbcache(E) [ 2081.674328] jbd2(E) sg(E) dm_multipath(E) dm_mod(E) scsi_dh_rdac(E) scs= i_dh_emc(E) scsi_dh_alua(E) scsi_mod(E) msr(E) [ 2081.674335] Dumping ftrace buffer: [ 2081.674340] (ftrace buffer empty)