Re: [Xen-devel] [xen] double fault: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC

[Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>]

On Mon, Oct 7, 2013 at 3:14 PM, Linus Torvalds
<torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> I *think* r14 contains the function we're going to jump to in the
> oops, and that could be interesting to know, but it's not decoded, so
> you'd have to match it up against a symbol map...

Actually, Fenguguan, never mind. Instead, change the "pr_debug()" in
kobject_release() to  "pr_alert()", so that it gets printed out. Or
just boot with the "ignore_loglevel" thing so that debug messages are
actually visible.

At that point, we should be able to match the oops workqueue list
address with the address of the delayed kernel object that gets
printed out.

             Linus

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