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SubjectRe: [BUG] NULL deref in swapin_readahead
Date
On Friday, November 11, 2011, Wouter M. Koolen wrote:
> Hi suspend gurus,
>
> I got the attached NULL deref while closing and immediately reopening my
> laptop lid. The laptop is configured to suspend to RAM.
>
> Google yields nothing similar for "unable to handle kernel NULL pointer
> dereference" "swapin_readahead" "radix_tree_lookup", so I guess this is
> an as-yet unknown problem. If not, please excuse the noise.
>
> Kernel (vanilla 3.1.0) config attached. The laptop is a MacBook4,1.
>
> The machine goes on to print a series of soft lockup reports, but I
> assumed they are PTSD and omited them.

Well, the trace doesn't indicate how the problem is related to the
suspend/resume code paths.

Is this a regression for you?

Thanks,
Rafael


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