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SubjectRe: qla2xxx cause BUG on kernel-4.17-rc6
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> On Jun 6, 2018, at 8:56 AM, Martin K. Petersen <martin.petersen@oracle.com> wrote:
>
>
> Himanshu,
>
> Ping?
>

Will look at this one. Sorry, somehow fell thru cracks.


>> Hi scsi experts,
>>
>> Not sure who is the right person to ask, I just hit this bug on my HP
>> DL385 platform, can any one of you take a look?
>>
>> system config:
>> -----------------
>> HP ProLiant DL385 G7
>> AMD Opteron(TM) Processor 6234
>> 16384 MB memory, 369 GB disk space
>>
>>
>> [ 24.539274] qla2xxx [0000:0c:00.7]-500a:5: LOOP UP detected (10 Gbps).
>> [ 24.577259] BUG: unable to handle kernel NULL pointer dereference
>> at 0000000000000102
>> [ 24.623133] PGD 0 P4D 0
>> [ 24.636760] Oops: 0000 [#1] SMP NOPTI
>> [ 24.656942] Modules linked in: i2c_algo_bit drm_kms_helper
>> sr_mod(+) syscopyarea sysfillrect sysimgblt cdrom fb_sys_fops
>> ata_generic ttm pata_acpi sd_mod ahci pata_atiixp sfc(+) qla2xxx(+)
>> libahci drm qla4xxx(+) nvme_fc hpsa mdio libiscsi qlcnic(+)
>> nvme_fabrics scsi_transport_sas serio_raw mtd crc32c_intel libata
>> nvme_core i2c_core scsi_transport_iscsi tg3 scsi_transport_fc bnx2
>> iscsi_boot_sysfs dm_multipath dm_mirror dm_region_hash dm_log dm_mod
>> [ 24.887449] CPU: 0 PID: 177 Comm: kworker/0:3 Not tainted 4.17.0-rc6 #1
>> [ 24.925119] Hardware name: HP ProLiant DL385 G7, BIOS A18 08/15/2012
>> [ 24.962106] Workqueue: events work_for_cpu_fn
>> [ 24.987098] RIP: 0010:__queue_work+0x1f/0x3a0
>> [ 25.011672] RSP: 0018:ffff992642ceba10 EFLAGS: 00010082
>> [ 25.042116] RAX: 0000000000000082 RBX: 0000000000000082 RCX:
>> 0000000000000000
>> [ 25.083293] RDX: ffff8cf9abc6d7d0 RSI: 0000000000000000 RDI:
>> 0000000000002000
>> [ 25.123094] RBP: 0000000000000000 R08: 0000000000025a40 R09:
>> ffff8cf9aade2880
>> [ 25.164087] R10: 0000000000000000 R11: ffff992642ceb6f0 R12:
>> ffff8cf9abc6d7d0
>> [ 25.202280] R13: 0000000000002000 R14: ffff8cf9abc6d7b8 R15:
>> 0000000000002000
>> [ 25.242050] FS: 0000000000000000(0000) f9b5c00000(0000)
>> knlGS:0000000000000000
>> [ 25.977565] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>> [ 26.010457] CR2: 0000000000000102 CR3: 000000030760a000 CR4:
>> 00000000000406f0
>> [ 26.051048] Call Trace:
>> [ 26.063572] ? __switch_to_asm+0x34/0x70
>> [ 26.086079] queue_work_on+0x24/0x40
>> [ 26.107090] qla2x00_post_work+0x81/0xb0 [qla2xxx]
>> [ 26.133356] qla2x00_async_event+0x1ad/0x1a20 [qla2xxx]
>> [ 26.164075] ? lock_timer_base+0x67/0x80
>> [ 26.186420] ? try_to_del_timer_sync+0x4d/0x80
>> [ 26.212284] ? del_timer_sync+0x35/0x40
>> [ 26.234080] ? schedule_timeout+0x165/0x2f0
>> [ 26.259575] qla82xx_poll+0x13e/0x180 [qla2xxx]
>> [ 26.285740] qla2x00_mailbox_command+0x74b/0xf50 [qla2xxx]
>> [ 26.319040] qla82xx_set_driver_version+0x13b/0x1c0 [qla2xxx]
>> [ 26.352108] ? qla2x00_init_rings+0x206/0x3f0 [qla2xxx]
>> [ 26.381733] qla2x00_initialize_adapter+0x35c/0x7f0 [qla2xxx]
>> [ 26.413240] qla2x00_probe_one+0x1479/0x2390 [qla2xxx]
>> [ 26.442055] local_pci_probe+0x3f/0xa0
>> [ 26.463108] work_for_cpu_fn+0x10/0x20
>> [ 26.483295] process_one_work+0x152/0x350
>> [ 26.505730] worker_thread+0x1cf/0x3e0
>> [ 26.527090] kthread+0xf5/0x130
>> [ 26.545085] ? max_active_store+0x80/0x80
>> [ 26.568085] ? kthread_bind+0x10/0x10
>> [ 26.589533] ret_from_fork+0x22/0x40
>> [ 26.610192] Code: 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00
>> 00 41 57 41 89 ff 41 56 41 55 41 89 fd 41 54 49 89 d4 55 48 89 f5 53
>> 48 83 ec 0 86 02 01 00 00 01 0f 85 80 02 00 00 49 c7 c6 c0 ec 01 00 41
>> [ 27.308540] RIP: __queue_work+0x1f/0x3a0 RSP: ffff992642ceba10
>> [ 27.341591] CR2: 0000000000000102
>> [ 27.360208] ---[ end trace 01b7b7ae2c005cf3 ]---
>
> --
> Martin K. Petersen Oracle Linux Engineering

Thanks,
- Himanshu

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