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Bug#486168: Lenny Beta2 Kernel Panic - fails to re-boot on HP Netserver E60

On Tuesday 17 June 2008 16:49, Frans Pop wrote:
> reassign 486168 linux-2.6 2.6.24-7
> thanks
> On Friday 13 June 2008, Chris Bell wrote:
> > Comments/Problems:
> > On re-boot the A channel is identified, but kernel panic while checking
> > the B channel.
> >
> > scsi 0 : adaptec AIC 7xxx EISA/VLB/PCI SCSI HBA Driver, Rev 7.0
> >             <Adaptec aic 7895 Ultra SCSI adapter>
> >             aic 7895C: UltraWide Channel A, SCSI Id=7, 32/253 SCBs
> > ACPI : PCI Interrpt 0000:00:05.1 [B] -> GSI 18 (level, low) -> IRQ 17
> > Kernel Panic - not syncing: HOST_MSG_LOOP with invalid SCB ff
> I would expect some more info about the kernel panic after this (register
> values and such). That info will be needed to follow up on this.
> As this is a kernel panic after the reboot after the installation is
> completed, this is not an installation issue, but a kernel issue. For
> that reason I'm reassigning the report to the kernel team.
> It is a bit strange though that you don't see the same panic during the
> installation. This indicates that the problem may be either that a
> slightly different kernel is used, or that the order in which modules are
> loaded and things get initialized makes a difference.
> Here are some things you can try and check.
> - Run the installer again, but start it in "rescue mode".
> - Check if your conroller gets detected again without problems.
> - If it is, start a chroot shell on your / partition, either as offered
>   by the installer or manually from VT2 or VT3; if needed mount any other
>   partitions.
> - Install the -486 flavor of the 2.6.24-1 kernel for the installed system.
>   That is the same kernel as the installer uses. Check if the installed
>   system boots with that.
> - Save the output of dmesg and lsmod of the installer and compare that
>   with what you see during a normal boot. It may provide clues.
>   For example, do 'dmesg >/var/log/dmesg.txt' and then use the "Save
>   debug logs" option in the main menu of the installer.
> - Check that the installer and the installed system actually load the
>   same driver module for your disk (I expect they do).
> - Install the 2.6.25 kernel from unstable and see if that solves the
>   problem. If using the -486 flavor of .24 solved the problem, try both
>   flavors of .25!
> If the panic also occurs with 2.6.25, you can consider also filing a bug
> with the upstream kernel developers, but please keep this report updated
> about any progress if you do.
> Cheers,

Thanks for the reply.
You appear to be correct, I re-installed Lenny with the 486 kernel, grub, and 
desktop and it re-booted without fail 18 times. I added the 686 kernel after 
the 16th re-boot then re-booted OK with the 486 kernel. The next re-boot 
failed as before using the 686 kernel, then another re-boot with the 486 
kernel was fine. I dumped the entire /var/log to disc after the first, 16th, 
and 18th 486 re-boot, I have not yet found any obvious information from any 
log giving details of a crash, where should I look? The only information 
appears to relate to successful 486 boots.

Chris Bell

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