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From 03/20/2016 to 04/18/2016

04/18/2016

07:48 AM Bug #14360 (Resolved): Cephfs kernel client ceph_send_cap_releases hung task
upstream commit 315f24088048a51eed341c53be66ea477a3c7d16 Zheng Yan
07:47 AM Bug #14736: Kernel cephfs bind-mounts break if parent dir modified elsewhere
upstream commit 200fd27c8fa2ba8bb4529033967b69a7cbfa2c2e Zheng Yan
07:42 AM Bug #14736 (Resolved): Kernel cephfs bind-mounts break if parent dir modified elsewhere
Zheng Yan

04/15/2016

07:26 PM Bug #15448 (Fix Under Review): Jewel : KRBD : rbd map is failing, we should log correct error mes...
Ilya Dryomov
05:28 PM Bug #15490 (Fix Under Review): rbd map vs notify race
Ilya Dryomov
12:29 PM Bug #15432: kcephfs: umount -f can fail after mds reconnect failure
find a bug that may cause forced umount hang
https://github.com/ceph/ceph-client/commit/e9344de458cd61efac6cccb98c78...
Zheng Yan

04/14/2016

09:35 PM Bug #15255: kclient: lost filesystem operations (on mds disconnect?)
Sage, I think we discussed this a day or two ago in standup but I don't think you've looked at it yet. Please comment... Greg Farnum
09:33 PM Bug #15255: kclient: lost filesystem operations (on mds disconnect?)
Zheng, does that patch mean that the client no longer drops any dirty state? Or does it keep the dirty page cache and... Greg Farnum
09:51 AM Bug #15432: kcephfs: umount -f can fail after mds reconnect failure
should be fixed by https://github.com/ceph/ceph-client/commit/11ff967a17ea6ac638f3c154b737a094f29d30bb Zheng Yan
09:48 AM Bug #15462: ceph: build_path did not end path lookup where expected, namelen is 146, pos is 0
"ceph: build_path did not end path lookup where expected" does not indicate there is an issue.... Zheng Yan

04/13/2016

08:01 PM Bug #15490 (Resolved): rbd map vs notify race
... Ilya Dryomov

04/11/2016

08:17 PM Bug #15462 (Won't Fix): ceph: build_path did not end path lookup where expected, namelen is 146, ...
... Sage Weil
05:46 PM Bug #15447 (Fix Under Review): use-after-free on ceph_auth_none_info / ceph_none_authorizer
Ilya Dryomov
04:36 PM Bug #15448: Jewel : KRBD : rbd map is failing, we should log correct error message either in syst...
Thanks Ilya! Vikhyat Umrao
03:16 PM Bug #15448 (In Progress): Jewel : KRBD : rbd map is failing, we should log correct error message ...
It can't pretty-print which features are missing, in general. But we do have to make it nicer. Ilya Dryomov

04/10/2016

06:36 PM Bug #15448 (Resolved): Jewel : KRBD : rbd map is failing, we should log correct error message eit...
Jewel : KRBD : rbd map is failing , we should log correct error message either in system logs or in standard error ou... Vikhyat Umrao
01:15 PM Support #15302: Kernel panic when using CEPHFS (Hammer) /w kernel vivid-lts on Ubuntu 14.04
v3.18.[26-30] are also affected. I've asked Sasha to queue up "ceph: fix request timestamp encoding". Ilya Dryomov
01:01 PM Bug #15447 (Resolved): use-after-free on ceph_auth_none_info / ceph_none_authorizer
... Ilya Dryomov

04/08/2016

03:46 PM Support #15302: Kernel panic when using CEPHFS (Hammer) /w kernel vivid-lts on Ubuntu 14.04
This fix is still queued and pending in the Ubuntu repo's, but has not yet been released (as of 3.19.0-58.x).
In t...
Kamal Mostafa
10:54 AM Support #15302: Kernel panic when using CEPHFS (Hammer) /w kernel vivid-lts on Ubuntu 14.04
Sorry, i was wrong. I'm still getting the same panic with 3.19.0.58.41 Dennis Kramer
10:12 AM Support #15302: Kernel panic when using CEPHFS (Hammer) /w kernel vivid-lts on Ubuntu 14.04
Thank you.
I can also confirm that it's fixed in the latest linux-generic-lts-vivid (3.19.0.58.41) which i installe...
Dennis Kramer
02:22 PM Bug #15255: kclient: lost filesystem operations (on mds disconnect?)
This happened again yesterday. It kind of seems like there's more going on that leads to the failed reconnect. :/
...
Greg Farnum
09:49 AM Bug #15255: kclient: lost filesystem operations (on mds disconnect?)
https://github.com/ceph/ceph-client/commit/11ff967a17ea6ac638f3c154b737a094f29d30bb Zheng Yan
01:20 PM Bug #15432 (New): kcephfs: umount -f can fail after mds reconnect failure
We've seen this several times on the lab cluster and teuthology:
- fail to reconnect to mds for some reason
- umo...
Sage Weil

04/05/2016

01:55 AM Support #6455 (Closed): dumpling cephFS on 3.12-rc1 qemu hung tasks
Zheng Yan

04/01/2016

09:22 PM Support #15302: Kernel panic when using CEPHFS (Hammer) /w kernel vivid-lts on Ubuntu 14.04
Thanks very much Randy. I'll see that the fix gets into the affected Ubuntu and -ckt stable kernels ASAP.
-Kamal
Kamal Mostafa
09:20 PM Support #15302: Kernel panic when using CEPHFS (Hammer) /w kernel vivid-lts on Ubuntu 14.04
I can confirm that mounting a cephfs filesystem is successful using the provided test kernel. Randy Orr
07:15 PM Support #15302: Kernel panic when using CEPHFS (Hammer) /w kernel vivid-lts on Ubuntu 14.04
The Ubuntu Kernel team is now tracking this bug here:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1564950
...
Kamal Mostafa

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
 

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