Re: Mutex debug lock failure [was Re: Bad gcc-4.1.0 leads to Power4 crashes... and power5 too, actually

Ingo Molnar
2006-12-21T14:49:48Z

On Wed, 2006-12-20 at 19:03 -0600, Linas Vepstas wrote:
> Same kernel runs fine on power5. Although it does have patches
> applied, those very same patches boot fine when applied to a slightly
> older kernel (2.6.19-rc4). I haven't been messing with buids or
> pci config space (at least not intentionaly).
>
> I'll try again with an unpatched, unmodified kernel.

there have been a number of fixes to lockdep recently - could you try
the kernel/lockdep.c file from latest -mm, does that fail too?

one possibility would be a chain-hash collision.

Ingo