Re: 2.6.3-mm1 and aic7xxx

From: Andrew Morton
Date: Thu Feb 19 2004 - 19:26:38 EST


Fabio Coatti <cova@xxxxxxxxxxxxxxxx> wrote:
>
> I'm experiencing some problems with 2.6.3-mm1 release: on boot the system
> hangs trying to detect scsi devices, and the light on scsi cdrom flashes
> every few seconds. With 2.6.3-rc3-mm1 all works just fine, and I get this
> syslog entry:
>
> Feb 19 22:23:15 kefk kernel: ahc_pci:3:6:0: Host Adapter Bios disabled. Using
> default SCSI device parameters
> Feb 19 22:23:15 kefk kernel: scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA
> DRIVER, Rev 6.2.36
> Feb 19 22:23:15 kefk kernel: <Adaptec 2902/04/10/15/20C/30C SCSI
> adapter>
> Feb 19 22:23:15 kefk kernel: aic7850: Single Channel A, SCSI Id=7,
> 3/253 SCBs
>
> <<<<<<<<<<<<<<<2.6.3-mm1 hangs here

Are you able to get a sysrq-T or sysrq-P trace?

> I've also noticed (only with 2.6.3-mm1) a "PCI BIOS passed non existent PCI
> BUS 0!" message when it probes ICH5, i.e.

Could be an acpi thing. If you have time, could you try

patch -p1 -R < bk-acpi.patch

and see if that helps?

ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.3/2.6.3-mm1/broken-out/bk-acpi.patch

Thanks.

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