From: Alex Elder <elder@ieee.org>
To: Olivier Bonvalet <ceph.list@daevel.fr>,
Ilya Dryomov <ilya.dryomov@inktank.com>
Cc: Ceph Development <ceph-devel@vger.kernel.org>
Subject: Re: Issue #5876 : assertion failure in rbd_img_obj_callback()
Date: Tue, 25 Mar 2014 15:41:50 -0500 [thread overview]
Message-ID: <5331EA0E.2040409@ieee.org> (raw)
In-Reply-To: <1395778894.2076.12.camel@localhost>
On 03/25/2014 03:21 PM, Olivier Bonvalet wrote:
> Mar 25 21:17:58 murmillia kernel: [ 2205.255933] rbd_img_obj_callback: bad image object request information:
> Mar 25 21:17:58 murmillia kernel: [ 2205.255938] obj_request ffff88025a2b3c48
> Mar 25 21:17:58 murmillia kernel: [ 2205.255940] ->object_name <rb.0.1536881.238e1f29.000000000439>
> Mar 25 21:17:58 murmillia kernel: [ 2205.255941] ->offset 0
> Mar 25 21:17:58 murmillia kernel: [ 2205.255943] ->length 28672
> Mar 25 21:17:58 murmillia kernel: [ 2205.255944] ->type 0x1
> Mar 25 21:17:58 murmillia kernel: [ 2205.255945] ->flags 0x3
> Mar 25 21:17:58 murmillia kernel: [ 2205.255946] ->which 1
> Mar 25 21:17:58 murmillia kernel: [ 2205.255948] ->xferred 28672
> Mar 25 21:17:58 murmillia kernel: [ 2205.255949] ->result 0
> Mar 25 21:17:58 murmillia kernel: [ 2205.255950] img_request ffff8802536c4a60
> Mar 25 21:17:58 murmillia kernel: [ 2205.255952] ->snap 0xffff880257f85ec0
> Mar 25 21:17:58 murmillia kernel: [ 2205.255953] ->offset 4534026240
> Mar 25 21:17:58 murmillia kernel: [ 2205.255954] ->length 45056
> Mar 25 21:17:58 murmillia kernel: [ 2205.255955] ->flags 0x1
The image request has IMG_REQ_CHILD set. That means it's a request
sent to a parent image.
I see one thing that I'm suspicious of, but I'll need to look at it
a bit to see if it's really a problem.
In rbd_parent_request_destroy(), should this last line:
rbd_img_request_destroy(kref);
be this instead?
rbd_img_request_put(parent_request);
And get rid of this line above that:
img_request_child_clear(parent_request);
Something to look at. Also the fact that it's a parent
request with two objects involved seems strange, but
again, I'm just speculating at this point.
-Alex
> Mar 25 21:17:58 murmillia kernel: [ 2205.255957] ->obj_request_count 1
> Mar 25 21:17:58 murmillia kernel: [ 2205.255958] ->next_completion 2
> Mar 25 21:17:58 murmillia kernel: [ 2205.255959] ->xferred 45056
> Mar 25 21:17:58 murmillia kernel: [ 2205.255960] ->result 0
next prev parent reply other threads:[~2014-03-25 20:41 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-25 8:39 Issue #5876 : assertion failure in rbd_img_obj_callback() Olivier Bonvalet
2014-03-25 9:04 ` Ilya Dryomov
[not found] ` <1395739214.2823.34.camel@localhost>
2014-03-25 9:52 ` Ilya Dryomov
2014-03-25 11:48 ` Alex Elder
2014-03-25 12:34 ` Ilya Dryomov
2014-03-25 12:51 ` Alex Elder
2014-03-25 12:57 ` Ilya Dryomov
2014-03-25 13:18 ` Olivier Bonvalet
2014-03-25 13:29 ` Alex Elder
2014-03-25 13:31 ` Alex Elder
2014-03-25 14:01 ` Olivier Bonvalet
2014-03-25 17:15 ` Olivier Bonvalet
2014-03-25 17:21 ` Alex Elder
2014-03-25 18:53 ` Olivier Bonvalet
2014-03-25 17:43 ` Alex Elder
2014-03-25 18:53 ` Olivier Bonvalet
2014-03-25 19:03 ` Alex Elder
2014-03-25 20:18 ` Ilya Dryomov
2014-03-25 20:21 ` Olivier Bonvalet
2014-03-25 20:24 ` Alex Elder
2014-03-25 20:29 ` Olivier Bonvalet
2014-03-25 20:44 ` Alex Elder
2014-03-25 21:03 ` Olivier Bonvalet
2014-03-25 20:41 ` Alex Elder [this message]
2014-03-25 20:53 ` Olivier Bonvalet
2014-03-25 21:10 ` Olivier Bonvalet
2014-03-25 21:20 ` Ilya Dryomov
[not found] ` <1395782577.2076.23.camel@localhost>
2014-03-25 21:25 ` Ilya Dryomov
2014-03-25 21:41 ` Olivier Bonvalet
2014-03-25 21:49 ` Ilya Dryomov
2014-03-25 21:54 ` Olivier Bonvalet
2014-03-25 22:17 ` Olivier Bonvalet
2014-03-25 22:46 ` Alex Elder
2014-03-25 23:04 ` Olivier Bonvalet
2014-03-26 0:00 ` Alex Elder
2014-03-26 1:33 ` Olivier Bonvalet
2014-03-26 1:50 ` Olivier Bonvalet
2014-03-26 1:55 ` Alex Elder
2014-03-26 2:40 ` Olivier Bonvalet
2014-03-26 2:42 ` Alex Elder
2014-03-26 2:45 ` Olivier Bonvalet
2014-03-26 3:54 ` Alex Elder
2014-03-26 4:00 ` Olivier Bonvalet
2014-03-26 5:00 ` Alex Elder
2014-03-26 11:13 ` Alex Elder
2014-03-26 11:43 ` Ilya Dryomov
2014-03-26 11:47 ` Alex Elder
2014-03-26 12:05 ` Ilya Dryomov
2014-03-26 20:58 ` Alex Elder
2014-03-27 7:48 ` Olivier Bonvalet
2014-03-27 8:45 ` Ilya Dryomov
2014-03-27 8:49 ` Olivier Bonvalet
2014-03-26 2:35 ` Olivier Bonvalet
2014-03-26 2:54 ` Alex Elder
2014-03-26 3:58 ` Olivier Bonvalet
2014-04-05 1:16 ` Olivier Bonvalet
2014-04-05 1:57 ` Alex Elder
2014-04-05 8:09 ` Olivier Bonvalet
2014-04-05 13:08 ` Alex Elder
2014-04-25 11:37 ` Olivier Bonvalet
2014-04-25 12:17 ` Alex Elder
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