Re: [Bug 81861] Oops by mvsas v0.8.16: sas: ataX: end_device-Y:0:Z: dev error handler -> general protection fault, RIP: mvs_task_prep_ata+0x80/0x3a0

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On 29 April 2015 at 20:09, Nathan Rennie-Waldock
<nathan.renniewaldock@xxxxxxxxx> wrote:
> On 29 April 2015 at 19:05, James Bottomley
> <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx> wrote:
>> On Wed, 2015-04-29 at 09:24 -0700, Adam Talbot wrote:
>>> Attached is what I see on my 4.0.0 patched kernel.  I am going through
>>> a SAS expander:
>>> [    5.176095] scsi host4: mvsas
>>> [    5.180076] sas: phy-4:0 added to port-4:0, phy_mask:0x1 (50030480002f51ff)
>>> [    5.180079] drivers/scsi/mvsas/mv_sas.c 1118:set wide port phy map 1
>>> [    5.190007] sas: phy1 matched wide port0
>>> [    5.190010] sas: phy-4:1 added to port-4:0, phy_mask:0x3 (50030480002f51ff)
>>> [    5.190012] drivers/scsi/mvsas/mv_sas.c 1118:set wide port phy map 3
>>> [    5.209850] sas: phy2 matched wide port0
>>> [    5.209853] sas: phy-4:2 added to port-4:0, phy_mask:0x7 (50030480002f51ff)
>>> [    5.209854] drivers/scsi/mvsas/mv_sas.c 1118:set wide port phy map 7
>>> [    5.239609] sas: phy3 matched wide port0
>>> [    5.239612] sas: phy-4:3 added to port-4:0, phy_mask:0xf (50030480002f51ff)
>>> [    5.239613] drivers/scsi/mvsas/mv_sas.c 1118:set wide port phy map f
>>> [    5.279368] sas: DOING DISCOVERY on port 0, pid:6
>>> [    5.280102] sas: ex 50030480002f51ff phy00:S:9 attached:
>>> 5005043011ab0000 (host)
>>> [    5.280356] sas: ex 50030480002f51ff phy01:S:9 attached:
>>> 5005043011ab0000 (host)
>>> [    5.280622] sas: ex 50030480002f51ff phy02:S:9 attached:
>>> 5005043011ab0000 (host)
>>> [    5.280877] sas: ex 50030480002f51ff phy03:S:9 attached:
>>> 5005043011ab0000 (host)
>>> [    5.281141] sas: ex 50030480002f51ff phy04:D:9 attached:
>>> 50030480002f51c4 (stp)
>>> [    5.281339] sas: ex 50030480002f51ff phy05:D:9 attached:
>>> 50030480002f51c5 (stp)
>>> [    5.281547] sas: ex 50030480002f51ff phy06:D:9 attached:
>>> 50030480002f51c6 (stp)
>>> [    5.281801] sas: ex 50030480002f51ff phy07:D:9 attached:
>>> 50030480002f51c7 (stp)
>>> [    5.282003] sas: ex 50030480002f51ff phy08:D:9 attached:
>>> 50030480002f51c8 (stp)
>>> [    5.282216] sas: ex 50030480002f51ff phy09:D:8 attached:
>>> 50030480002f51c9 (stp)
>>> [    5.282419] sas: ex 50030480002f51ff phy10:D:8 attached:
>>> 50030480002f51ca (stp)
>>> [    5.282636] sas: ex 50030480002f51ff phy11:D:8 attached:
>>> 50030480002f51cb (stp)
>>> [    5.282862] sas: ex 50030480002f51ff phy12:D:8 attached:
>>> 50030480002f51cc (stp)
>>> [    5.283042] sas: ex 50030480002f51ff phy13:D:9 attached:
>>> 50030480002f51cd (stp)
>>> [    5.283202] sas: ex 50030480002f51ff phy14:D:8 attached:
>>> 50030480002f51ce (stp)
>>> [    5.283355] sas: ex 50030480002f51ff phy15:D:0 attached:
>>> 0000000000000000 (no device)
>>> [    5.283504] sas: ex 50030480002f51ff phy16:D:0 attached:
>>> 0000000000000000 (no device)
>>> [    5.283655] sas: ex 50030480002f51ff phy17:D:0 attached:
>>> 0000000000000000 (no device)
>>> [    5.283808] sas: ex 50030480002f51ff phy18:D:0 attached:
>>> 0000000000000000 (no device)
>>> [    5.283957] sas: ex 50030480002f51ff phy19:D:0 attached:
>>> 0000000000000000 (no device)
>>> [    5.284084] sas: ex 50030480002f51ff phy20:T:0 attached:
>>> 0000000000000000 (no device)
>>> [    5.284235] sas: ex 50030480002f51ff phy21:T:0 attached:
>>> 0000000000000000 (no device)
>>> [    5.284385] sas: ex 50030480002f51ff phy22:T:0 attached:
>>> 0000000000000000 (no device)
>>> [    5.284508] sas: ex 50030480002f51ff phy23:T:0 attached:
>>> 0000000000000000 (no device)
>>> [    5.284659] sas: ex 50030480002f51ff phy24:T:0 attached:
>>> 0000000000000000 (no device)
>>> [    5.284787] sas: ex 50030480002f51ff phy25:T:0 attached:
>>> 0000000000000000 (no device)
>>> [    5.284938] sas: ex 50030480002f51ff phy26:T:0 attached:
>>> 0000000000000000 (no device)
>>> [    5.285091] sas: ex 50030480002f51ff phy27:T:0 attached:
>>> 0000000000000000 (no device)
>>> [    5.285220] sas: ex 50030480002f51ff phy28:D:9 attached:
>>> 50030480002f51fd (host+target)
>>> [    5.285346] sas: ex 50030480002f51ff phy29:D:0 attached:
>>> 0000000000000000 (no device)
>>> [    5.286367] sas: DONE DISCOVERY on port 0, pid:6, result:0
>>> [    5.286426] sas: Enter sas_scsi_recover_host busy: 0 failed: 0
>>> [    5.286438] sas: ata5: end_device-4:0:4: dev error handler
>>> [    5.286501] sas: ata6: end_device-4:0:5: dev error handler
>>> [    5.286622] sas: ata7: end_device-4:0:6: dev error handler
>>> [    5.286717] sas: ata8: end_device-4:0:7: dev error handler
>>> [    5.286802] sas: ata9: end_device-4:0:8: dev error handler
>>> [    5.286866] sas: ata10: end_device-4:0:9: dev error handler
>>> [    5.286922] sas: ata11: end_device-4:0:10: dev error handler
>>> [    5.287008] sas: ata12: end_device-4:0:11: dev error handler
>>> [    5.287096] sas: ata13: end_device-4:0:12: dev error handler
>>> [    5.287183] sas: ata14: end_device-4:0:13: dev error handler
>>> [    5.287265] sas: ata15: end_device-4:0:14: dev error handler
>>
>> Right, but I actually need the configuration of the system that is
>> currently oopsing.  Your trace seems to show a normal SATA discovery
>> (the error handler shows up because a reset fis is part of SATA
>> discovery).
>>
>> James
>>
>>
> Alright, rebooted with "debug ignore_loglevel", log attached.
>
> I'm running an Areca ARC-1320ix-16 (with onboard expander) with 10
> SATA drives attached.
> (Sending again because mailing list rejects HTML)
>
Apparently this driver has never worked with my card (at least with
SATA drives, haven't got any SAS drives to test with). I tested the
first release that had the PCI ID added (2.6.32-rc4) and get the same
result: no drives detected. I also tested 4.2.2 and that throws
warnings on unloading the driver (full log attached).
WARNING: CPU: 0 PID: 371 at fs/sysfs/group.c:224 sysfs_remove_group+0x9c/0xa0()
sysfs group ffffffff81cc5680 not found for kobject 'phy-10:0:3'

Attachment: mvsas-4.2.2.log
Description: Binary data


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