Messages in this thread | | | Date | Thu, 24 Mar 2011 18:26:53 +0100 | From | Ingo Molnar <> | Subject | Re: [GIT PULL] SLAB changes for v2.6.39-rc1 |
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* Pekka Enberg <penberg@kernel.org> wrote:
> On Thu, Mar 24, 2011 at 4:41 PM, Christoph Lameter <cl@linux.com> wrote: > > On Thu, 24 Mar 2011, Ingo Molnar wrote: > > > >> FYI, some sort of boot crash has snuck upstream in the last 24 hours: > >> > >> BUG: unable to handle kernel paging request at ffff87ffc147e020 > >> IP: [<ffffffff811aa762>] this_cpu_cmpxchg16b_emu+0x2/0x1c > > > > Hmmm.. This is the fallback code for the case that the processor does not > > support cmpxchg16b. > > How does alternative_io() work? Does it require > alternative_instructions() to be executed. If so, the fallback code > won't be active when we enter kmem_cache_init(). Is there any reason > check_bugs() is called so late during boot? Can we do something like > the totally untested attached patch?
Does the config i sent you boot on your box? I think the bug is pretty generic and should trigger on any box.
Thanks,
Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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