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From 03/02/2016 to 03/31/2016

03/31/2016

01:33 PM Bug #14360: Cephfs kernel client ceph_send_cap_releases hung task
The bug should be fixed in 4.6 kernel Zheng Yan
04:07 AM Support #15302: Kernel panic when using CEPHFS (Hammer) /w kernel vivid-lts on Ubuntu 14.04
sent bug report to kernel-team@lists.ubuntu.com Zheng Yan
03:53 AM Support #15302: Kernel panic when using CEPHFS (Hammer) /w kernel vivid-lts on Ubuntu 14.04
ubuntu-vidid.git includes commit... Zheng Yan

03/30/2016

09:19 PM Support #15302: Kernel panic when using CEPHFS (Hammer) /w kernel vivid-lts on Ubuntu 14.04
I believe I am hitting this issue as well:
Ubuntu 14.04
ceph version 9.2.0 (bb2ecea240f3a1d525bcb35670cb07bd1f0ca...
Randy Orr
03:46 PM Documentation #15323 (New): Clarify krbd CRUSH map tunables and rbd feature support
Update http://docs.ceph.com/docs/master/rbd/rbd-ko/ to reference the "Feature Set Mismatch" error and point to http:/... Jason Dillaman

03/29/2016

03:11 PM Support #15302: Kernel panic when using CEPHFS (Hammer) /w kernel vivid-lts on Ubuntu 14.04
What's the output of "ceph -s" during this time? Kinda looks like all your connections to the cluster are failed. Greg Farnum
10:03 AM Support #15302 (Resolved): Kernel panic when using CEPHFS (Hammer) /w kernel vivid-lts on Ubuntu ...
Nowadays i'm getting a kernel panic when i use the vivid-lts (3.19.x) kernel on ubuntu 14.04 after I try to mount cep... Dennis Kramer

03/25/2016

03:34 AM Bug #15255: kclient: lost filesystem operations (on mds disconnect?)
I try cutting network and waiting until MDS cleanup client session, I found one process was stuck at ceph_get_caps().... Zheng Yan
12:50 AM Bug #14360: Cephfs kernel client ceph_send_cap_releases hung task
Userspace side of this fix just merged: https://github.com/ceph/ceph/pull/7952
I presume the kernel patches are in...
Greg Farnum

03/24/2016

10:19 PM Bug #15255: kclient: lost filesystem operations (on mds disconnect?)
Checking out the ceph log from that day, there's nothing going on except some scrubbing and the usual pg map/throughp... Greg Farnum
01:47 PM Bug #15255: kclient: lost filesystem operations (on mds disconnect?)
The osdc also reported no outstanding requests.
If we see this again, Zheng has asked us to get backtraces on all ...
Greg Farnum
07:15 AM Bug #15255: kclient: lost filesystem operations (on mds disconnect?)
The backtrace show some pages were in locked state. This seems like OSD requests hang. (pages get unlocked in osd req... Zheng Yan

03/23/2016

06:30 PM Bug #15255: kclient: lost filesystem operations (on mds disconnect?)
Zheng, can you please take a look and see if there's anything we can do with this? :) Greg Farnum
05:55 PM Bug #15255 (Resolved): kclient: lost filesystem operations (on mds disconnect?)
We saw this on our sepia teuthology kernel client mount. I saved the dmesg output at teuthology:~ubuntu/322_kernel_ha... Greg Farnum
02:31 PM Bug #14360: Cephfs kernel client ceph_send_cap_releases hung task
Any update on this?
Thanks
Manuel Alejandro de Brito Fontes

03/17/2016

08:38 AM Bug #14736: Kernel cephfs bind-mounts break if parent dir modified elsewhere
Zheng Yan
08:37 AM Bug #14736: Kernel cephfs bind-mounts break if parent dir modified elsewhere
https://github.com/ceph/ceph-client/commit/da08da6ce562fc8612e90fa49656a88da38876dc Zheng Yan

03/13/2016

02:35 PM Feature #15107 (Resolved): kcephfs: be less pessimistic about rcu walk in d_revalidate
Al says:
> BTW, looks like ceph is too pessimistic
> about bailing out of RCU mode on ->d_revalidate(), might be ...
Sage Weil

03/06/2016

02:19 PM Bug #14901: misdirected requests on 4.2 during rebalancing
If I had a reproducer, I wouldn't be asking you to reproduce ;) I would suggest trying to replicate what you describ... Ilya Dryomov
06:58 AM Bug #14901: misdirected requests on 4.2 during rebalancing
We will try! But where we can get custom kernels, and whats is scenario of reproduce? Set weight of some osd to 0? Or... Ruslan Usifov

03/05/2016

04:28 PM Bug #14901: misdirected requests on 4.2 during rebalancing
It's not immediately obvious what the problem is - there are a few different possibilities and not enough information... Ilya Dryomov
02:35 PM Bug #14901: misdirected requests on 4.2 during rebalancing
Sorry but more old logs alredy rotated and we haven't them Ruslan Usifov
09:53 AM Bug #14901: misdirected requests on 4.2 during rebalancing
What about a syslog for the night of Feb 26 - the attached one starts at ~7 o'clock? I need to see syslogs for the e... Ilya Dryomov

03/04/2016

03:15 PM Bug #14901: misdirected requests on 4.2 during rebalancing
Aditional attach syslog for 27-02-2016
Ruslan Usifov
03:06 PM Bug #14901: misdirected requests on 4.2 during rebalancing
We attached syslog from 192.169.31.220 for 26 feb 2016
We make osdmap, but maps exist only begin from 5732
Ruslan Usifov
02:50 PM Bug #14901: misdirected requests on 4.2 during rebalancing
This seems to be more serious than I thought. Could you send over as many osdmaps going back from 5800 as possible (... Ilya Dryomov
09:42 AM Bug #14901: misdirected requests on 4.2 during rebalancing
We waited when rebalance was done, then launch rsync.
And yes of course, misderected happens doesn't only one nod...
Ruslan Usifov

03/03/2016

10:59 PM Bug #14901: misdirected requests on 4.2 during rebalancing
Was the massive rsync you've provided warnings for done during rebalancing or after rebalancing completed? Do you ha... Ilya Dryomov
08:12 AM Bug #14901: misdirected requests on 4.2 during rebalancing
Osd maps from 5970 to 5981 are in attachment Ruslan Usifov

03/02/2016

07:41 PM Bug #14901: misdirected requests on 4.2 during rebalancing
Hmm. Can you do the same for each from 5970 to 5981 and attach a .tar with those? Ilya Dryomov
05:48 PM Bug #14901: misdirected requests on 4.2 during rebalancing
Hello
Ready, result in attachment
Ruslan Usifov
05:25 PM Bug #14901: misdirected requests on 4.2 during rebalancing
Hi Ruslan,
Can you do
$ ceph osd getmap 5982 >osdmap.5982
and attach that file?
Ilya Dryomov
01:55 PM Bug #14901: misdirected requests on 4.2 during rebalancing
Ilya Dryomov
 

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