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From
SubjectRe: mvsas errors in 2.6.36
Date
On December 1, 2010, Thomas Fjellstrom wrote:
> On November 17, 2010, you wrote:
> > On 11/17/2010 08:53 AM, Thomas Fjellstrom wrote:
> > [snip]
> >
> > > Still no fatal errors, but the problem is still happening regularly. It
> > > causes a pause in disk io of a couple seconds at least. Really quite
> > > annoying.
> > >
> > > One thing thats got me wondering, is could this be a power issue?
> > > It almost seems like (from the messages) that a single drive (any
> > > drive) is freaking out, and returning an error that probably shouldn't
> > > happen (no CHS 0?), which could mean the drive is underpowered and the
> > > firmware is flipping out. I'm not entirely sure. The system has a 750w
> > > decent quality Antec power supply. The total power use of the system
> > > shouldn't come over half that (phenom II x4 810 cpu, gigabyte
> > > ma790fxtud5p mb, low profile nvidia 9400GS gpu, 8 sata hdds, 3 fans,
> > > etc). I'm mostly sure the 12v rails are spread out evenly, but I have
> > > yet to make absolutely sure.
>
> Made absolute sure. I had been worrying that I was overloading one of the
> rails on the PSU, but it turns out that it isn't a multi 12v rail PSU after
> all. The box and advertising says it is, but the electronics inside all say
> its a single 12v rail device.
>
> > [snip]
> >
> > After the mvsas update in 2.6.35 this started happening to me as well;
> > at least its better than the previous state - not working.. ;-) However,
> > after rolling a new 2.6.35 with the following fix that is queued up for
> > the upcoming 2.6.35 and 2.6.36 stable releases, they seem to have
> > dissapeared - 3 days and counting.
> >
> > http://git.kernel.org/?p=linux/kernel/git/stable/stable-queue.git;a=blob_
> > pl
> > ain;f=queue-2.6.33/libsas-fix-ncq-mixing-with-non-ncq.patch;h=b6d7c92094
> > d95 ad67a3b23c2e09c25d4fbd0f46b;hb=HEAD
> >
> > The fix is queued up for the next 2.6.36 and 2.6.35 stable
> > point-releases.
>
> Ahah. I wonder how I missed that when I first read it. I'll have to give
> the stable .36 kernel a try. Thanks!

No fix so far:

[ 2539.040104] drivers/scsi/mvsas/mv_sas.c 1703:<7>mv_abort_task() mvi=ffff880222f00000 task=ffff88018b3e2980 slot=ffff880222f265d0 slot_idx=x2
[ 2539.040118] drivers/scsi/mvsas/mv_sas.c 1632:mvs_query_task:rc= 5
[ 2539.040154] drivers/scsi/mvsas/mv_sas.c 2083:port 7 ctrl sts=0x89800.
[ 2539.040163] drivers/scsi/mvsas/mv_sas.c 2085:Port 7 irq sts = 0x1001001
[ 2539.040176] drivers/scsi/mvsas/mv_sas.c 2111:phy7 Unplug Notice
[ 2539.050220] drivers/scsi/mvsas/mv_sas.c 2083:port 7 ctrl sts=0x199800.
[ 2539.050229] drivers/scsi/mvsas/mv_sas.c 2085:Port 7 irq sts = 0x1001081
[ 2539.071157] drivers/scsi/mvsas/mv_sas.c 2083:port 7 ctrl sts=0x199800.
[ 2539.071165] drivers/scsi/mvsas/mv_sas.c 2085:Port 7 irq sts = 0x10000
[ 2539.071173] drivers/scsi/mvsas/mv_sas.c 2138:notify plug in on phy[7]
[ 2539.081142] drivers/scsi/mvsas/mv_sas.c 1224:port 7 attach dev info is 5000002
[ 2539.081142] drivers/scsi/mvsas/mv_sas.c 1226:port 7 attach sas addr is 7
[ 2539.081142] drivers/scsi/mvsas/mv_sas.c 378:phy 7 byte dmaded.
[ 2541.270047] drivers/scsi/mvsas/mv_sas.c 1586:mvs_I_T_nexus_reset for device[5]:rc= 0
[ 2541.270066] ata14: translated ATA stat/err 0x01/04 to SCSI SK/ASC/ASCQ 0xb/00/00
[ 2541.270926] ata14: status=0x01 { Error }
[ 2541.271747] ata14: error=0x04 { DriveStatusError }

That appeared after about 42 minutes of uptime.

--
Thomas Fjellstrom
thomas@fjellstrom.ca


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