Re: SATA: Assertion failed! qc->flags &ATA_QCFLAG_ACTIVE,drivers/scsi/libata-core.c,ata_qc_complete,line=3052

From: Soeren Sonnenburg
Date: Thu Jul 07 2005 - 03:48:04 EST


On Thu, 2005-07-07 at 12:43 +0400, Alexey Dobriyan wrote:
> On Thursday 07 July 2005 12:04, Soeren Sonnenburg wrote:
> > with hddtemp regularly polling for the temperature state together with
> > libsata from kernel 2.6.12 on a promise tx2. The disk is set to go to
> > sleep mode (hdparm -S 35 /dev/sda). And after a couple of hours the
> > machine oopsed (the disk was sleeping/not mounted at that time - with
> > high probability) :
> >
> > ata2: command timeout
> > ata2: translated ATA stat/err 0xb0/00 to SCSI SK/ASC/ASCQ 0xb/47/00
> > Assertion failed! qc->flags & ATA_QCFLAG_ACTIVE,drivers/scsi/libata-core.c,ata_qc_complete,line=3052
> > ata2: translated ATA stat/err 0xb0/00 to SCSI SK/ASC/ASCQ 0xb/47/00
> > ata2: status=0xb0 { Busy }
> > Unable to handle kernel NULL pointer dereference at virtual address 00000000
>
> > EIP: 0060:[<c0118eac>] Tainted: P VLI
>
> > I am now trying w/o hddtemp, lets see how long it survives...
>
> With untainted kernel, please. To be sure it's our problem.

Sorry but I am. The machine never hung/oopsed before. The only new thing
now is the sata disk.

Soeren
--
"They that can give up essential liberty to obtain a little temporary
safety deserve neither liberty nor safety." Benjamin Franklin

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