linux-kernel - Re: [Linux-cachefs] 3.0.3 64-bit Crash running fscache/cachefilesd

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Message-ID: <CAOH1cHmeX56+dZEidR4AAwEkz2kr7-J12vky5G8s0vzfbO39yw@mail.gmail.com>
Date:	Thu, 29 Sep 2011 15:51:31 -0700
From:	Mark Moseley <moseleymark@...il.com>
To:	Linux filesystem caching discussion list 
	<linux-cachefs@...hat.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [Linux-cachefs] 3.0.3 64-bit Crash running fscache/cachefilesd

On Thu, Sep 29, 2011 at 3:44 PM, David Howells <dhowells@...hat.com> wrote:
> Mark Moseley <moseleymark@...il.com> wrote:
>
>> With those 13 patches, I get this traceback. Nothing before or after
>> in logs or console.
>>
>>
>> [ 1499.098817] ------------[ cut here ]------------
>> [ 1499.108048] kernel BUG at fs/fscache/operation.c:408!
>
> Can you check what's at line 408 please?  If it's what I have in my code,
> there should be an 'assertion failed' message with some numbers before it.

Line 408 is the second half of this:

        ASSERTIFCMP(op->state != FSCACHE_OP_ST_COMPLETE,
                    op->state, ==, FSCACHE_OP_ST_CANCELLED);

Ack, you're right. I scanned right by it the first time, looking just
for traces.  Here's the bit from the logs:

[ 2709.769228] FS-Cache: Assertion failed
[ 2709.769231] 3 == 5 is false
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