Subject: Re: Kernel locks up after calling kernel_execve()

From: "Gerhard Pircher" <[email-masked]>
Date: Tue, 13 Nov 2007 22:23:20 +0100

-------- Original-Nachricht --------
> Datum: Sun, 11 Nov 2007 14:55:40 +1100
> Von: Benjamin Herrenschmidt <[email-masked]>
> An: Gerhard Pircher <[email-masked]>
> CC: [email-masked]
> Betreff: Re: Kernel locks up after calling kernel_execve()

> 
> On Sat, 2007-11-10 at 18:11 +0100, Gerhard Pircher wrote:
> > -------- Original-Nachricht --------
> > > Datum: Fri, 09 Nov 2007 18:50:29 +1100
> > > Von: Benjamin Herrenschmidt <[email-masked]>
> > > An: Gerhard Pircher <[email-masked]>
> > > CC: [email-masked]
> > > Betreff: Re: Kernel locks up after calling kernel_execve()
> >
> > Is there a way to debug it without a hardware debugger or can you
> > recommend a cheap hardware debugger?
> 
> There are ways, sure, which probably involve adding prink's all over the
> place to figure it out... could be some DMA issue for example, could be
> pretty much anything. Have you tried booting an initrd with no disk
> access ?
I tried to boot with a ramdisk, but that didn't help much. I still locks up
while loading an init program or after entering some commands in
sh shell. Looks like the problem is hidden deep in the kernel.

Thanks!

Gerhard

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