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Date:	Sun, 15 Jun 2014 21:44:15 -0400
From:	Theodore Ts'o <>
To:	Jet Chen <>
Cc:	Greg Price <>, Fengguang Wu <>,
	Yuanhan Liu <>,
	Linux Kernel Mailing List <>,
Subject: Re: [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:// master
> commit 0fb7a01af5b0cbe5bf365891fc4d186f2caa23f7
> Author:     Greg Price <price@....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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