Re: 2.6.9-rc2-mm1

[William Lee Irwin III]

On Thu, Sep 23 2004, William Lee Irwin III wrote:
>> Sorry to bother you again. I appear to get this after a couple days of
>> uptime:
>> # ----------- [cut here ] --------- [please bite here ] ---------
>> Kernel BUG at cfq_iosched:1395

On Fri, Sep 24, 2004 at 09:11:23AM +0200, Jens Axboe wrote:
> is it the !allocated[rw] test again?

I am unfortunately completely oblivious to bdev handling code. In
2.6.9-rc2-mm1 this corresponds to (whitespace not preserved):

   1390                 BUG_ON(!hlist_unhashed(&crq->hash));
   1391
   1392                 if (crq->io_context)
   1393                         put_io_context(crq->io_context->ioc);
   1394
   1395                 BUG_ON(!cfqq->allocated[crq->is_write]);
   1396                 cfqq->allocated[crq->is_write]--;
   1397
   1398                 mempool_free(crq, cfqd->crq_pool);
   1399                 rq->elevator_private = NULL;


-- wli
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