From: Yves-Alexis Perez <corsac@debian.org>
To: Hannes Reinecke <hare@suse.com>, Hannes Reinecke <hare@suse.de>,
"Martin K. Petersen" <martin.petersen@oracle.com>
Cc: Christoph Hellwig <hch@lst.de>,
James Bottomley <james.bottomley@hansenpartnership.com>,
linux-scsi@vger.kernel.org
Subject: Re: [PATCHv2] libsas: Check for completed commands before calling lldd_abort_task()
Date: Tue, 09 Jan 2018 15:13:47 +0100 [thread overview]
Message-ID: <1515507227.3305.91.camel@debian.org> (raw)
In-Reply-To: <b1935687-4d39-3aca-1ee5-01dc513a8735@suse.com>
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On Tue, 2018-01-09 at 10:30 +0100, Hannes Reinecke wrote:
> Can you try to boot the stock 4.15 kernel (without any patches) with
> scsi_mod.scsi_logging_level=9411
> on the kernel commandline and send me tha output?
> I really would like to see which command fails.
> THX.
Here it is:
[ 204.960508] sd 0:0:1:0: [sdb] tag#0 Send: scmd 0x000000006f2d047e
[ 204.960510] sd 0:0:0:0: [sda] tag#1 Send: scmd 0x000000009840a325
[ 204.960511] sd 0:0:1:0: [sdb] tag#0 CDB: ATA command pass through(16) 85 06 20 00 05 00 fe 00 00 00 00 00 00 40 ef 00
[ 204.960512] sd 0:0:0:0: [sda] tag#1 CDB: ATA command pass through(16) 85 06 20 00 05 00 fe 00 00 00 00 00 00 40 ef 00
[ 204.960583] sd 0:0:1:0: [sdb] tag#0 Done: TIMEOUT_ERROR Result: hostbyte=DID_OK driverbyte=DRIVER_OK
[ 204.960586] sd 0:0:1:0: [sdb] tag#0 CDB: ATA command pass through(16) 85 06 20 00 05 00 fe 00 00 00 00 00 00 40 ef 00
[ 204.983681] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 204.983690] IP: isci_task_abort_task+0x30/0x4b0 [isci]
[ 204.983691] PGD 0 P4D 0
[ 204.983693] Oops: 0000 [#1] SMP PTI
[ 204.983695] Modules linked in: snd_hwdep(+) snd_hda_core snd_pcm_oss snd_mixer_oss iTCO_wdt snd_pcm iTCO_vendor_support mei_me snd_timer snd lpc_ich shpchp sg mei joydev evdev mfd_core soundcore dcdbas serio_raw intel_rapl_perf(+) iptable_filter(+) nls_cp437 nls_utf8 vfat fat coretemp dell_smm_hwmon parport_pc ppdev lp parport ip_tables x_tables autofs4 ext4 crc16 mbcache jbd2 fscrypto algif_skcipher af_alg dm_crypt dm_mod tpm_rng rng_core uhci_hcd pcrypt sr_mod cdrom sd_mod hid_lenovo usbhid hid nouveau crct10dif_pclmul crc32_pclmul video isci crc32c_intel mxm_wmi ahci xhci_pci libsas ehci_pci ghash_clmulni_intel wmi libahci scsi_transport_sas xhci_hcd ehci_hcd i2c_algo_bit pcbc drm_kms_helper libata e1000e ttm aesni_intel aes_x86_64 crypto_simd cryptd psmouse ptp glue_helper i2c_i801 usbcore scsi_mod
[ 204.983738] pps_core drm button
[ 204.983741] CPU: 11 PID: 262 Comm: kworker/u64:5 Not tainted 4.15.0-rc7 #2
[ 204.983742] Hardware name: Dell Inc. Precision T5600/0Y56T3, BIOS A09 05/03/2013
[ 204.983750] Workqueue: scsi_tmf_0 scmd_eh_abort_handler [scsi_mod]
[ 204.983755] RIP: 0010:isci_task_abort_task+0x30/0x4b0 [isci]
[ 204.983756] RSP: 0018:ffffb0504152fcd8 EFLAGS: 00010246
[ 204.983757] RAX: 0000000000000000 RBX: ffff8a8f842d79a8 RCX: 00000000ffffffff
[ 204.983758] RDX: ffff8a8f80f7f800 RSI: 0000000000000000 RDI: 0000000000000000
[ 204.983759] RBP: ffff8a8f842d7948 R08: ffff8a8f870e1f60 R09: 0000000000000000
[ 204.983759] R10: 0000000000000000 R11: 0000000000000f27 R12: 0000000000000008
[ 204.983760] R13: 0000000000000000 R14: ffff8a8f80b51540 R15: 0000000000000000
[ 204.983761] FS: 0000000000000000(0000) GS:ffff8a8f870c0000(0000) knlGS:0000000000000000
[ 204.983774] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 204.983775] CR2: 0000000000000000 CR3: 0000000200a0a005 CR4: 00000000000606e0
[ 204.983775] Call Trace:
[ 204.983781] ? sched_clock+0x5/0x10
[ 204.983784] ? sched_clock_cpu+0xc/0xb0
[ 204.983787] ? sched_clock+0x5/0x10
[ 204.983788] ? sched_clock+0x5/0x10
[ 204.983790] ? sched_clock_cpu+0xc/0xb0
[ 204.983791] ? pick_next_task_fair+0x4de/0x5f0
[ 204.983794] ? __switch_to+0xa2/0x450
[ 204.983795] ? put_prev_entity+0x1e/0xe0
[ 204.983799] sas_eh_abort_handler+0x2f/0x50 [libsas]
[ 204.983805] scmd_eh_abort_handler+0x56/0x210 [scsi_mod]
[ 204.983809] process_one_work+0x188/0x380
[ 204.983811] worker_thread+0x2e/0x390
[ 204.983812] ? process_one_work+0x380/0x380
[ 204.983814] kthread+0x111/0x130
[ 204.983815] ? kthread_create_worker_on_cpu+0x70/0x70
[ 204.983819] ret_from_fork+0x1f/0x30
[ 204.983820] Code: 41 57 41 56 49 89 ff 41 55 41 54 4d 8d 67 08 55 53 48 81 ec 68 01 00 00 65 48 8b 04 25 28 00 00 00 48 89 84 24 60 01 00 00 31 c0 <48> 8b 07 c7 44 24 08 00 00 00 00 c7 44 24 10 00 00 00 00 48 8b
[ 204.983843] RIP: isci_task_abort_task+0x30/0x4b0 [isci] RSP: ffffb0504152fcd8
[ 204.983843] CR2: 0000000000000000
[ 204.983845] ---[ end trace c55806a9bed49dc4 ]---
I have the full log from boot (2.2M) but I'm unsure how much private data
appears in it so I'd rather not send it to a mailing list. If you need it I'll
send it privately.
Regards,
--
Yves-Alexis
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next prev parent reply other threads:[~2018-01-09 14:13 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-08 12:04 [PATCHv2] libsas: Check for completed commands before calling lldd_abort_task() Hannes Reinecke
2018-01-08 17:11 ` Yves-Alexis Perez
2018-01-09 9:30 ` Hannes Reinecke
2018-01-09 14:13 ` Yves-Alexis Perez [this message]
2018-01-09 4:09 ` Jason Yan
2018-01-09 7:34 ` Hannes Reinecke
2018-01-09 9:04 ` Jason Yan
2018-01-09 9:27 ` Hannes Reinecke
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