On Mon, 5 Jun 2006 21:44:22 +0200 Ingo Molnar wrote:
>
> * Martin Bligh <[email protected]> wrote:
>
> > panic on NUMA-Q during LTP. Was fine in -mm2.
> >
> > BUG: unable to handle kernel paging request at virtual address 22222232
>
> > EIP is at check_deadlock+0x19/0xe1
> > eax: 00000001 ebx: e4453030 ecx: 00000000 edx: e4008000
> > esi: 22222222 edi: 00000001 ebp: 22222222 esp: e47ebec0
>
> again these 0x22222222 entries on the stack. What on earth does this?
> Andy got a similar crash on x86_64, with a 0x2222222222222222 entry ...
>
> nothing of our magic values are 0x22 or 0x222222222.
kernel/mutex-debug.c:
void debug_mutex_free_waiter(struct mutex_waiter *waiter)
{
DEBUG_WARN_ON(!list_empty(&waiter->list));
memset(waiter, 0x22, sizeof(*waiter));
}
---
~Randy
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