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SubjectRe: [random] BUG: spinlock trylock failure on UP on CPU#0, swapper/1
On Sun, Jun 15, 2014 at 03:12:54PM +0800, Jet Chen wrote:
> Hi Greg,
>
> 0day kernel testing robot got the below dmesg and the first bad commit is
>
> git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> commit 0fb7a01af5b0cbe5bf365891fc4d186f2caa23f7
> Author: Greg Price <price@MIT.EDU>
> AuthorDate: Thu Dec 5 19:32:19 2013 -0500
>
> random: simplify accounting code

I believe I've found the problem, thanks for the report!

There was an earlier warning when this was in the random.git tree, but
I analyzed the bug report incorrectly and thought it was due to a bug
in lib/random32.c that would only show up in testing. My bad for not
seeing the problem earlier.

The patch will be chained to this reply and sent to LKML.

- Ted


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