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Old 06-26-2012, 11:10 PM
Jonathan Nieder
 
Default Bug#679039: boot crash with VT6415 controller (pata_via)

# regression
severity 679039 important
quit

Hi Guiliano,

Giuliano Procida wrote:

> Tags: upstream

Which upstream version have you tested?

[...]
> The last working kernel I have is a custom built 2.6.33 (with no pata_via).
> With anything more recent, I get a fairly reliable boot crash without taking
> special actions
[...]
> I have tried setting up a crashkernel with NMI watchdog but the crash/hang does
> not appear to trigger a reboot. I've also ensured that BIOS is on the latest
> version and tried both with and without the VIA IDE option ROM enabled.
>
> I would be very happy to help in any way to get this problem fixed, including
> installing patched kernels etc. I just don't know the best way to tackle this.

Thanks for reporting it. I don't have many great ideas, just some
basic questions:

. What other kernels have you tried? Does the 3.4.y kernel from
experimental reproduce this?

. How reproducible is this? 80%? 100%?

. How heavy is the crash? E.g., can you still toggle the caps lock LED or
use the magic sysrq key?

. Do you have a log or photo of the crash? netconsole[1] or serial console[2]
may be useful for this.

Any other hints or strange symptoms?

Hope that helps,
Jonathan

[1] http://www.kernel.org/doc/Documentation/networking/netconsole.txt
[2] http://www.kernel.org/doc/Documentation/serial-console.txt



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Old 06-27-2012, 05:58 AM
Giuliano Procida
 
Default Bug#679039: boot crash with VT6415 controller (pata_via)

Hi.

Thanks for the reply. I'll do some further investigation as you
suggest and report back in a couple of days.

On 27 June 2012 00:10, Jonathan Nieder <jrnieder@gmail.com> wrote:
> Which upstream version have you tested?

I've not used upstream kernels in a long time (many years). The
custom-built 2.6.33 I referred to is still a Debian make-kpkg build
with Debian patches. In terms of kernel versions, I cannot remember
the 2.6.x versions which failed. However, I've had crashes with 3.0,
3.1 and 3.2.

> *. What other kernels have you tried? *Does the 3.4.y kernel from
> * experimental reproduce this?

I'll try this.

> *. How reproducible is this? *80%? *100%?

I'll do 10 normal boots and 10 recovery boots and let you know.

> *. How heavy is the crash? *E.g., can you still toggle the caps lock LED or
> * use the magic sysrq key?

Neither work. Looks like a PCI or IRQ lockup.

> *. Do you have a log or photo of the crash? *netconsole[1] or serial console[2]
> * may be useful for this.

I'll give netconsole a go. I may have to plug a laptop into the same switch.

> Any other hints or strange symptoms?

Just a comment.

Ever since I built my first Debian machine (in about 1996), I've used
underdog hardware, rather than Intel. Cyrix then AMD processors, VIA
chipsets, Cirrus then VIA (integrated) graphics, 3com NICs. I finally
switched to an AMD chipset but the motherboard still has a VIA
firewire controller that I cannot get to work with a DV camera, and
this PATA controller that's causing grief.

VIA hardware just appears to be cursed.

Regards,
Giuliano.



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