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SubjectRe: [GIT PULL] Core block IO bits for 2.6.39 - early Oops
On 2011.03.24 at 19:36 +0100, Jens Axboe wrote:
> On 2011-03-24 19:30, Markus Trippelsdorf wrote:
> > On 2011.03.24 at 14:43 +0100, Jens Axboe wrote:
> >>
> >> This is the main pull request for the block IO layer and friends for
> >> 2.6.39.
> >
> > This merge results in an early oops on my system (amd64, xfs).
> > See the attached photo.
> >
>
> Auch. Can you ensure that you have CONFIG_DEBUGINFO=y in your .config
> and then do:
>
> $ gdb vmlinux
> ...
> l *cfq_insert_request+0x32
>
> and send that output?

(gdb) l *cfq_insert_request+0x32
0xffffffff81265ad2 is in cfq_insert_request (block/cfq-iosched.c:3396).
3391 {
3392 struct cfq_data *cfqd = q->elevator->elevator_data;
3393 struct cfq_queue *cfqq = RQ_CFQQ(rq);
3394
3395 cfq_log_cfqq(cfqd, cfqq, "insert_request");
3396 cfq_init_prio_data(cfqq, RQ_CIC(rq)->ioc);
3397
3398 rq_set_fifo_time(rq, jiffies + cfqd->cfq_fifo_expire[rq_is_sync(rq)]);
3399 list_add_tail(&rq->queuelist, &cfqq->fifo);
3400 cfq_add_rq_rb(rq);
(gdb)

--
Markus


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