Re: Kernel 2.6.20 does not work anymore with SCSI or SATA on oldOpteron / Xeon servers

From: Andrew Morton
Date: Tue Mar 20 2007 - 03:28:01 EST


On Sun, 18 Mar 2007 21:50:46 +0100 Stefan Priebe <stefan@xxxxxxx> wrote:

> Hello!
>
> We've a very strange Problem with Kernel 2.6.20.x
>
> If i try to access a SCSI or SATA Disk (tested with Adaptec U320
> ASC-29320, ICP Vortex 9024, Promise TX300) the whole server hangs - no
> output - no error on the screen - but it hangs completely. But it does
> not happen on all our systems affected are only old 604pin xeons and
> socket 940 Opterons. Socket F Opteron or 771 Xeons does work fine.
>
> I've also testet apci=off pci=routeirq but both does not help. The
> systems work fine with 2.6.19.x and before.

Well that's a bit sad.

Could you please set up netconsole
(Documentation/networking/netconsole.txt) and add initcall_debug to the
kernel boot command line and then send us the full bootup logs?

(Even better: serial console with earlyprintk).

If that doesn't shed any light, we might have to ask you to perform a
git-bisect search to find the buggy commit, I'm afraid.
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