Re: SATA Promise TX4 Crash

[Raphael Jacquot]

Brad Campbell wrote:
> Neil Whelchel wrote:
>
> > Hello,
> > I have two Promise SATA TX4 cards connected to a total of 6 Maxtor 250 GB
> > drives (7Y250M0) configured into a RAID 5. All works well with small
> > disk load, but when a large number of requests are issued, it causes 
> > crash
> > similar to the attached, except that the errors before the crash are on a
>
>
> > EFLAGS: 00010046   (2.6.11.2)
> > EIP is at scsi_put_command+0xbb/0x100
>
>
> Oooh Oooh Oooh, pick me Mr Kotter!
> I have seen this repeatedly, fought it and "apparently" beat it by 
> upgrading my PSU.
> I could reliably reproduce it by running a raid resync and issuing SMART 
> queries
> to the drives, but after a PSU upgrade it has gone away.
> I have tried hard to reproduce it recently but I just can't get it to 
> crash anymore.
>
> I have a similar setup 4x SATA-TX4 cards and 15x 7Y250M0 drives. I'm 
> thought it was actually
> a bug, but as I can't reproduce it anymore it's making it a bit hard to 
> track down.
>
> Not much help, sorry.
>
> Brad

I have similar crashes with a (netbooted) epia and 4 250G Seagate 7200.8 
PATA drives.
removing the kernel preempt stuff & realtime scheduling and stuff 
alleviates the issue a bit but it occured again yesterday.

a quirk in the epia forces me to reboot the box by power cycling it.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/