Re: AlphaPC+SCSI, continued--SCSI layer broken?

Kelledin (kelledin+LKML@skarpsey.dyndns.org)
Sat, 2 Nov 2002 04:30:27 -0500


On Friday 01 November 2002 08:57 pm, Kelledin wrote:
> > > > Did you apply the core_cia.c patch?
> > > > You can find it at
> > > > http://knowledge.bruli.net/uploads/core_cia-patch.txt
> >
> > Sadly, no luck on it. It doesn't seem to improve my
> > situation at all. =(
>
> I booted the Debian hack of 2.4.18 and got a little bit more
> informative set of debug messages:
>
> ncr53c810-0: waiting 10 seconds for SCSI devices to settle...
> freeing devtbl [8192] @fffffc0000dee000
> scsi0: ncr53c8xx-3.4.3b-20010512
> ncr53c810-0-<0,0>: CMD=12 ncr53c810-0: command processing
> resumed ncr53c810-0-<0,0>: CMD=12 <6>ncr53c810-0-<0,0>: ccb \
> @fffffc0000de8000 using tag 255
> ncr53c810-0: queuepos=3.
> scsi : aborting command due to timeout: pid 0, scsi0, channel
> \ 0, id 0, lun 0 Inquiry 00 00 00 ff 00
> ncr53c8xx_abort: pid=0 serial_number=1
> serial_number_at_timeout=1 ncr53c810-0: abort
> ccb=fffffc0000de8000 (cancel)
>
> ...and again, that's all she wrote.

Well, never mind the ncr53c8xx driver--the problem appears to be
in the SCSI core code. I threw in a QLogic ISP1040 controller
and had much the same results. Only difference is, I'm not sure
how to gather debug output from the qlogicisp driver. All I
have is the QLogic driver freezing at about the same point...

-- 
Kelledin
"If a server crashes in a server farm and no one pings it, does 
it still cost four figures to fix?"

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