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Re: 2.4.5-xfs panic while starting aic7xxx

To: Keith Owens <kaos@xxxxxxxxxxxxxxxxx>
Subject: Re: 2.4.5-xfs panic while starting aic7xxx
From: Russell Cattelan <cattelan@xxxxxxxxxxx>
Date: Wed, 30 May 2001 09:12:01 -0500
Cc: Michael David <michael@xxxxxxxxxxxx>, linux-xfs@xxxxxxxxxxx
References: <20787.991231579@xxxxxxxxxxxx>
Sender: owner-linux-xfs@xxxxxxxxxxx
Keith Owens wrote:

> On Wed, 30 May 2001 09:50:40 -0400 (EDT),
> Michael David <michael@xxxxxxxxxxxx> wrote:
> >SCSI subsystem driver Revision: 1.00
> >PCI: Found IRQ 11 for device 00:0c.0
> >scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.1.13
> >        <Adaptec 2940 Ultra2 SCSI adapter>
> >        aic7890/91: Ultra2 Wide Channel A, SCSI Id=7, 32/255 SCBs
> >ahc_intr: AWAITING_MSG for an SCB that does not have a waiting message
> >SCSIID = 7, target_mask = 1
> >Kernel panic: SCB = 3, SCB Control = 40, MSG_OUT = 80 SCB flags = 6000
> >In interrupt handler - not syncing
>
> There are lots of changes to aic7xxx sequencer code between 2.4.4 and
> 2.4.5, the 2.4.5-xfs patch has exactly the same code as 2.4.5 base in
> this area.  This is almost certainly a generic 2.4.5 aic7xxx problem,
> not XFS related.  I suggest you take this to linux-kernel, linux-scsi
> or the aic7xxx maintainer.

Yes agreed.

One side note: This looks very similar to the APIC problem the 1200's were
having.
Try enabling APIC and see if that helps the problem.



--
Russell Cattelan
cattelan@xxxxxxxxxxx




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