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[209.132.180.67]) by mx.google.com with ESMTP id a11-v6si21181plp.363.2018.03.26.17.58.27; Mon, 26 Mar 2018 17:58:42 -0700 (PDT) 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; 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751935AbeC0A5f (ORCPT + 99 others); Mon, 26 Mar 2018 20:57:35 -0400 Received: from tn-76-7-162-187.sta.embarqhsd.net ([76.7.162.187]:52627 "EHLO animx.eu.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751220AbeC0A5e (ORCPT ); Mon, 26 Mar 2018 20:57:34 -0400 X-Greylist: delayed 696 seconds by postgrey-1.27 at vger.kernel.org; Mon, 26 Mar 2018 20:57:33 EDT Received: from wakko by animx.eu.org with local (Exim 4.87 #3 (Debian Bug? What bug /\oo/\)) id 1f0ckN-0002VI-VL for linux-kernel@vger.kernel.org; Mon, 26 Mar 2018 20:45:56 -0400 Date: Mon, 26 Mar 2018 20:45:55 -0400 From: Wakko Warner To: linux-kernel@vger.kernel.org Subject: 4.15.12 crash Message-ID: <20180327004555.GB25259@animx.eu.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org I'm using target to make /dev/sr[012] an iscsi target. Another system is reading all 3 at the same time. I had 2 VMs running using libvirt (qemu and kvm module). Less than a minute after starting the read, the kernel oops. Rebooted the machine and tried again without the VMs running, got another oops. Here's the oops from the first one: [1489.107778] WARNING: CPU: 0 PID: 0 at /usr/src/linux/dist/4.15.12-nobklcd/drivers/scsi/scsi_lib.c:1068 scsi_init_io+0x111/0x1a0 [scsi_mod] [1489.109248] Modules linked in: vhost_net tap tun netconsole dm_thin_pool dm_persistent_data dm_bio_prison dm_bufio raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c crc32c_generic md_mod dm_crypt algif_skcipher af_alg dm_mod dax af_packet iscsi_target_mod tcm_loop vhost_scsi vhost target_core_file target_core_iblock target_core_pscsi target_core_mod nfsd exportfs dummy bridge stp llc ib_iser rdma_cm iw_cm ib_cm ib_core ipv6 iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi configfs sr_mod cdrom adt7475 hwmon_vid sd_mod sg coretemp x86_pkg_temp_thermal kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel pcbc nouveau video led_class drm_kms_helper cfbfillrect snd_hda_codec_realtek syscopyarea cfbimgblt snd_hda_codec_generic [1489.113370] sysfillrect sysimgblt fb_sys_fops cfbcopyarea ttm drm agpgart igb snd_hda_intel aesni_intel snd_hda_codec aes_x86_64 snd_hda_core hwmon crypto_simd mptsas glue_helper mpt3sas i2c_algo_bit snd_pcm_oss mptscsih i2c_core snd_mixer_oss mptbase raid_class snd_pcm scsi_transport_sas wmi snd_timer snd soundcore ahci libahci libata scsi_mod button unix [last unloaded: netconsole] [1489.113370] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.15.12 #2 [1489.113370] Hardware name: Dell Inc. Precision T5610/0WN7Y6, BIOS A16 02/05/2018 [1489.113370] RIP: 0010:scsi_init_io+0x111/0x1a0 [scsi_mod] [1489.113370] RSP: 0018:ffff880c6fc03d78 EFLAGS: 00010046 [1489.113370] RAX: 0000000000000000 RBX: ffff880c14cdd400 RCX: 0000000000000000 [1489.113370] RDX: 0000000000000000 RSI: ffff880c14cdd400 RDI: ffff880c14cdd548 [1489.113370] RBP: ffff880c14cdd548 R08: 0000000000000000 R09: ffff880c14cdd580 [1489.113370] R10: ffff880bd7e03088 R11: 0000000000000000 R12: ffff880c37353000 [1489.113370] R13: 0000000000000000 R14: ffff880c37353000 R15: ffff880c3333b1e0 [1489.113370] FS: 0000000000000000(0000) GS:ffff880c6fc00000(0000) knlGS:0000000000000000 [1489.113370] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [1489.113370] CR2: 00007fbd5adb4000 CR3: 0000000001c09005 CR4: 00000000001626f0 [1489.113370] Call Trace: [1489.113370] [1489.113370] ? scsi_setup_cmnd+0xb3/0x140 [scsi_mod] [1489.113370] ? scsi_prep_fn+0x53/0x130 [scsi_mod] [1489.113370] ? __update_load_avg_cfs_rq.isra.3+0x166/0x170 [1489.113370] ? blk_peek_request+0x136/0x220 [1489.113370] ? scsi_request_fn+0x2b/0x510 [scsi_mod] [1489.113370] ? __blk_run_queue+0x34/0x50 [1489.113370] ? blk_run_queue+0x26/0x40 [1489.113370] ? scsi_run_queue+0x229/0x2b0 [scsi_mod] [1489.113370] ? scsi_io_completion+0x3ce/0x5a0 [scsi_mod] [1489.113370] ? blk_done_softirq+0x67/0x80 [1489.113370] ? __do_softirq+0xdb/0x1dd [1489.113370] ? irq_exit+0xa3/0xb0 [1489.113370] ? do_IRQ+0x45/0xc0 [1489.113370] ? common_interrupt+0x77/0x77 [1489.113370] [1489.113370] ? cpuidle_enter_state+0x124/0x200 [1489.113370] ? cpuidle_enter_state+0x119/0x200 [1489.113370] ? do_idle+0xdc/0x180 [1489.113370] ? cpu_startup_entry+0x14/0x20 [1489.113370] ? start_kernel+0x386/0x38e [1489.113370] ? secondary_startup_64+0xa5/0xb0 [1489.113370] Code: 8b 7b 30 e8 62 e2 1f e1 49 8b 17 4c 89 ff 89 c6 89 44 24 04 e8 c1 f7 21 e1 85 c0 41 89 c4 74 55 41 bc 02 00 00 00 e9 39 ff ff ff <0f> 0b 41 bc 01 00 00 00 e9 2c ff ff ff 48 8b 3d 6b dc 00 00 be [1489.113370] ---[ end trace 60f9802b953c86c0 ]--- [1489.113370] ------------[ cut here ]------------ [1489.113370] kernel BUG at /usr/src/linux/dist/4.15.12-nobklcd/block/blk-core.c:3235! [1489.113370] invalid opcode: 0000 [#1] PREEMPT SMP [1489.113370] Modules linked in: vhost_net tap tun netconsole dm_thin_pool dm_persistent_data dm_bio_prison dm_bufio raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c crc32c_generic md_mod dm_crypt algif_skcipher af_alg dm_mod dax af_packet iscsi_target_mod tcm_loop vhost_scsi vhost target_core_file target_core_iblock target_core_pscsi target_core_mod nfsd exportfs dummy bridge stp llc ib_iser rdma_cm iw_cm ib_cm ib_core ipv6 iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi configfs sr_mod cdrom adt7475 hwmon_vid sd_mod sg coretemp x86_pkg_temp_thermal kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel pcbc nouveau video led_class drm_kms_helper cfbfillrect snd_hda_codec_realtek syscopyarea cfbimgblt snd_hda_codec_generic [1489.113370] sysfillrect sysimgblt fb_sys_fops cfbcopyarea ttm drm agpgart igb snd_hda_intel aesni_intel snd_hda_codec aes_x86_64 snd_hda_core hwmon crypto_simd mptsas glue_helper mpt3sas i2c_algo_bit snd_pcm_oss mptscsih i2c_core snd_mixer_oss mptbase raid_class snd_pcm scsi_transport_sas wmi snd_timer snd soundcore ahci libahci libata scsi_mod button unix [last unloaded: netconsole] [1489.113370] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 4.15.12 #2 [1489.113370] Hardware name: Dell Inc. Precision T5610/0WN7Y6, BIOS A16 02/05/2018 [1489.113370] RIP: 0010:__blk_end_request_all+0x50/0x60 [1489.113370] RSP: 0018:ffff880c6fc03df8 EFLAGS: 00010002 [1489.113370] RAX: 0000000000000001 RBX: ffff880c3333b1e0 RCX: 0000000000000000 [1489.113370] RDX: 0000000000000001 RSI: ffff880c257a7f00 RDI: 0000000000000000 [1489.113370] RBP: 0000000000000001 R08: 0000000000000000 R09: ffff880c14cdd580 [1489.113370] R10: ffff880bd7e03088 R11: 0000000000000000 R12: ffff880c14cdd400 [1489.113370] R13: ffff880c3333b1e0 R14: 0000000000000246 R15: ffff880c3333b1e0 [1489.113370] FS: 0000000000000000(0000) GS:ffff880c6fc00000(0000) knlGS:0000000000000000 [1489.113370] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [1489.113370] CR2: 00007fbd5adb4000 CR3: 0000000001c09005 CR4: 00000000001626f0 [1489.113370] Call Trace: [1489.113370] [1489.113370] ? blk_peek_request+0x173/0x220 [1489.113370] ? scsi_request_fn+0x2b/0x510 [scsi_mod] [1489.113370] ? __blk_run_queue+0x34/0x50 [1489.113370] ? blk_run_queue+0x26/0x40 [1489.113370] ? scsi_run_queue+0x229/0x2b0 [scsi_mod] [1489.113370] ? scsi_io_completion+0x3ce/0x5a0 [scsi_mod] [1489.113370] ? blk_done_softirq+0x67/0x80 [1489.113370] ? __do_softirq+0xdb/0x1dd [1489.113370] ? irq_exit+0xa3/0xb0 [1489.113370] ? do_IRQ+0x45/0xc0 [1489.113370] ? common_interrupt+0x77/0x77 [1489.113370] [1489.113370] ? cpuidle_enter_state+0x124/0x200 [1489.113370] ? cpuidle_enter_state+0x119/0x200 [1489.113370] ? do_idle+0xdc/0x180 [1489.113370] ? cpu_startup_entry+0x14/0x20 [1489.113370] ? start_kernel+0x386/0x38e [1489.113370] ? secondary_startup_64+0xa5/0xb0 [1489.113370] Code: ff ff ff 84 c0 75 24 c3 0f 0b 48 8b 87 40 01 00 00 31 c9 48 85 c0 74 df 8b 48 58 40 0f b6 f6 8b 57 58 e8 04 ff ff ff 84 c0 74 dc <0f> 0b 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 41 54 55 53 48 [1489.113370] RIP: __blk_end_request_all+0x50/0x60 RSP: ffff880c6fc03df8 [1489.113370] ---[ end trace 60f9802b953c86c1 ]--- [1489.113370] Kernel panic - not syncing: Fatal exception in interrupt [1489.113370] Kernel Offset: disabled [1489.113370] ---[ end Kernel panic - not syncing: Fatal exception in interrupt Here's the oops from the 2nd one: [ 131.975234] WARNING: CPU: 0 PID: 0 at /usr/src/linux/dist/4.15.12-nobklcd/drivers/scsi/scsi_lib.c:1068 scsi_init_io+0x111/0x1a0 [scsi_mod] [ 131.975245] Modules linked in: af_packet iscsi_target_mod tcm_loop vhost_scsi vhost target_core_file target_core_iblock target_core_pscsi target_core_mod nfsd exportfs dummy bridge stp llc ib_iser rdma_cm iw_cm ib_cm ib_core ipv6 iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi netconsole configfs adt7475 hwmon_vid coretemp x86_pkg_temp_thermal sr_mod cdrom kvm_intel kvm irqbypass nouveau crct10dif_pclmul crc32_pclmul sd_mod crc32c_intel video sg ghash_clmulni_intel led_class snd_hda_codec_realtek pcbc drm_kms_helper snd_hda_codec_generic cfbfillrect syscopyarea cfbimgblt sysfillrect sysimgblt fb_sys_fops snd_hda_intel cfbcopyarea snd_hda_codec ttm snd_hda_core drm aesni_intel snd_pcm_oss agpgart aes_x86_64 snd_mixer_oss igb snd_pcm crypto_simd mptsas mpt3sas glue_helper ahci hwmon snd_timer [ 131.975290] mptscsih raid_class i2c_algo_bit libahci snd mptbase libata scsi_transport_sas i2c_core wmi soundcore scsi_mod button unix [ 131.975301] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.15.12 #2 [ 131.975304] Hardware name: Dell Inc. Precision T5610/0WN7Y6, BIOS A16 02/05/2018 [ 131.975310] RIP: 0010:scsi_init_io+0x111/0x1a0 [scsi_mod] [ 131.975312] RSP: 0018:ffff880c6fc03d78 EFLAGS: 00010046 [ 131.975315] RAX: 0000000000000000 RBX: ffff880c30b00000 RCX: 0000000000000000 [ 131.975318] RDX: 0000000000000000 RSI: ffff880c30b00000 RDI: ffff880c30b00148 [ 131.975320] RBP: ffff880c30b00148 R08: 0000000000000000 R09: ffff880c30b00180 [ 131.975322] R10: ffff880c36c69088 R11: 0000000000000000 R12: ffff880c37300800 [ 131.975324] R13: 0000000000000000 R14: ffff880c37300800 R15: ffff880c33692990 [ 131.975327] FS: 0000000000000000(0000) GS:ffff880c6fc00000(0000) knlGS:0000000000000000 [ 131.975330] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 131.975333] CR2: 000000000179bbe0 CR3: 0000000001c09005 CR4: 00000000001606f0 [ 131.975335] Call Trace: [ 131.975339] [ 131.975347] ? scsi_setup_cmnd+0xb3/0x140 [scsi_mod] [ 131.975353] ? scsi_prep_fn+0x53/0x130 [scsi_mod] [ 131.975360] ? blk_peek_request+0x136/0x220 [ 131.975365] ? scsi_request_fn+0x2b/0x510 [scsi_mod] [ 131.975369] ? __blk_run_queue+0x34/0x50 [ 131.975372] ? blk_run_queue+0x26/0x40 [ 131.975377] ? scsi_run_queue+0x229/0x2b0 [scsi_mod] [ 131.975382] ? scsi_io_completion+0x3ce/0x5a0 [scsi_mod] [ 131.975386] ? blk_done_softirq+0x67/0x80 [ 131.975390] ? __do_softirq+0xdb/0x1dd [ 131.975396] ? irq_exit+0xa3/0xb0 [ 131.975399] ? do_IRQ+0x45/0xc0 [ 131.975403] ? common_interrupt+0x77/0x77 [ 131.975406] [ 131.975411] ? cpuidle_enter_state+0x124/0x200 [ 131.975414] ? cpuidle_enter_state+0x119/0x200 [ 131.975418] ? do_idle+0xdc/0x180 [ 131.975421] ? cpu_startup_entry+0x14/0x20 [ 131.975425] ? start_kernel+0x386/0x38e [ 131.975429] ? secondary_startup_64+0xa5/0xb0 [ 131.975431] Code: 8b 7b 30 e8 62 52 1f e1 49 8b 17 4c 89 ff 89 c6 89 44 24 04 e8 c1 67 21 e1 85 c0 41 89 c4 74 55 41 bc 02 00 00 00 e9 39 ff ff ff <0f> 0b 41 bc 01 00 00 00 e9 2c ff ff ff 48 8b 3d 6b dc 00 00 be [ 131.975463] ---[ end trace d0914a85cf373d2b ]--- [ 131.975470] ------------[ cut here ]------------ [ 131.975473] kernel BUG at /usr/src/linux/dist/4.15.12-nobklcd/block/blk-core.c:3235! [ 131.975478] invalid opcode: 0000 [#1] PREEMPT SMP [ 131.975513] Modules linked in: af_packet iscsi_target_mod tcm_loop vhost_scsi vhost target_core_file target_core_iblock target_core_pscsi target_core_mod nfsd exportfs dummy bridge stp llc ib_iser rdma_cm iw_cm ib_cm ib_core ipv6 iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi netconsole configfs adt7475 hwmon_vid coretemp x86_pkg_temp_thermal sr_mod cdrom kvm_intel kvm irqbypass nouveau crct10dif_pclmul crc32_pclmul sd_mod crc32c_intel video sg ghash_clmulni_intel led_class snd_hda_codec_realtek pcbc drm_kms_helper snd_hda_codec_generic cfbfillrect syscopyarea cfbimgblt sysfillrect sysimgblt fb_sys_fops snd_hda_intel cfbcopyarea snd_hda_codec ttm snd_hda_core drm aesni_intel snd_pcm_oss agpgart aes_x86_64 snd_mixer_oss igb snd_pcm crypto_simd mptsas mpt3sas glue_helper ahci hwmon snd_timer [ 131.975882] mptscsih raid_class i2c_algo_bit libahci snd mptbase libata scsi_transport_sas i2c_core wmi soundcore scsi_mod button unix [ 131.975946] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 4.15.12 #2 [ 131.975982] Hardware name: Dell Inc. Precision T5610/0WN7Y6, BIOS A16 02/05/2018 [ 131.976022] RIP: 0010:__blk_end_request_all+0x50/0x60 [ 131.976049] RSP: 0018:ffff880c6fc03df8 EFLAGS: 00010002 [ 131.976077] RAX: 0000000000000001 RBX: ffff880c33692990 RCX: 0000000000000000 [ 131.976114] RDX: 0000000000000001 RSI: ffff880c31550d80 RDI: 0000000000000000 [ 131.976150] RBP: 0000000000000001 R08: 0000000000000000 R09: ffff880c30b00180 [ 131.976185] R10: ffff880c36c69088 R11: 0000000000000000 R12: ffff880c30b00000 [ 131.976221] R13: ffff880c33692990 R14: 0000000000000246 R15: ffff880c33692990 [ 131.976256] FS: 0000000000000000(0000) GS:ffff880c6fc00000(0000) knlGS:0000000000000000 [ 131.976296] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 131.976325] CR2: 000000000179bbe0 CR3: 0000000001c09005 CR4: 00000000001606f0 [ 131.976359] Call Trace: [ 131.976374] [ 131.976387] ? blk_peek_request+0x173/0x220 [ 131.976412] ? scsi_request_fn+0x2b/0x510 [scsi_mod] [ 131.976439] ? __blk_run_queue+0x34/0x50 [ 131.976462] ? blk_run_queue+0x26/0x40 [ 131.976485] ? scsi_run_queue+0x229/0x2b0 [scsi_mod] [ 131.976514] ? scsi_io_completion+0x3ce/0x5a0 [scsi_mod] [ 131.976543] ? blk_done_softirq+0x67/0x80 [ 131.976566] ? __do_softirq+0xdb/0x1dd [ 131.976587] ? irq_exit+0xa3/0xb0 [ 131.976606] ? do_IRQ+0x45/0xc0 [ 131.976625] ? common_interrupt+0x77/0x77 [ 131.976646] [ 131.976660] ? cpuidle_enter_state+0x124/0x200 [ 131.976684] ? cpuidle_enter_state+0x119/0x200 [ 131.976709] ? do_idle+0xdc/0x180 [ 131.976729] ? cpu_startup_entry+0x14/0x20 [ 131.976752] ? start_kernel+0x386/0x38e [ 131.976774] ? secondary_startup_64+0xa5/0xb0 [ 131.976797] Code: ff ff ff 84 c0 75 24 c3 0f 0b 48 8b 87 40 01 00 00 31 c9 48 85 c0 74 df 8b 48 58 40 0f b6 f6 8b 57 58 e8 04 ff ff ff 84 c0 74 dc <0f> 0b 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 41 54 55 53 48 [ 131.976917] RIP: __blk_end_request_all+0x50/0x60 RSP: ffff880c6fc03df8 [ 131.982799] ---[ end trace d0914a85cf373d2c ]--- [ 131.982799] Kernel panic - not syncing: Fatal exception in interrupt [ 131.982799] Kernel Offset: disabled [ 131.982799] ---[ end Kernel panic - not syncing: Fatal exception in interrupt