Ceph » CephFS

01/17/2012

11:47 AM Bug #1947 (Resolved): mds: SIGBUS during _mark_dirty

This happened on umount after ffsb with the kernel client.
From teuthology:~teuthworker/archive/nightly_coverage_201... Josh Durgin

11:34 AM Bug #1549: mds: zeroed root CDir* vtable in scatter_writebehind_finish

Happened again in teuthology:~teuthworker/archive/nightly_coverage_2012-01-15-b/7721/remote/ubuntu@sepia6.ceph.dreamh... Josh Durgin

11:23 AM Bug #1946: snapshot inherits timestamp/size/etc from modified trunk dir upon mds restart

It looks to me like the problem is that CInode::old_inodes isn't included in EMetaBlob::fullbit. CInode::pick_old_in... Sage Weil

11:18 AM Bug #1946 (Resolved): snapshot inherits timestamp/size/etc from modified trunk dir upon mds restart

mkdir .snap/name
ls -ld . .snap/name
# both have the same timestamp
touch .
ls -ld . .snap/name
# now . has a di... Alexandre Oliva

09:11 AM Bug #1945 (Can't reproduce): blogbench hang on caps

... Sage Weil

01/13/2012

11:36 AM Bug #1938 (Resolved): mds: snaptest-2 doesn't pass with 3 MDS system

run vstart, mount ceph-fuse, run snaptest-2; mds.a crashes:... Greg Farnum

08:38 AM Bug #1682: mds: segfault in CInode::authority

happened again on /var/lib/teuthworker/archive/nightly_coverage_2012-01-13-a/7335... Sage Weil

01/11/2012

04:24 PM Bug #1774: client: files become inaccessible in large directories (with snapshots?)

This script (properly adjusted to actually mount and remount the ceph-fuse tree) should be enough to trigger the bug. Alexandre Oliva

01/10/2012

09:00 PM Bug #1774 (Resolved): client: files become inaccessible in large directories (with snapshots?)

Yay, that's way better than a log. Merged.
I wanted to make a test case for this but wasn't able to easily reprod... Sage Weil

11:32 AM Bug #1737: ceph-fuse crash in xlist::remove

Happened again in teuthology:~teuthworker/archive/nightly_coverage_2012-01-09-b/6741/teuthology.log. Josh Durgin

11:16 AM Feature #1912: mds: should time out slow monitors

Errm, commit:ac9b2d092f1f075621f30f77cdbb49bdf35b9ae5 Greg Farnum

11:13 AM Feature #1912 (Resolved): mds: should time out slow monitors

This was actually very easy to do. Ripping out the utterly useless beacon_kill code was actually a larger diff! Greg Farnum

01/09/2012

07:59 PM Bug #1774: client: files become inaccessible in large directories (with snapshots?)

How about a patch instead of logs? :-)
It turned out that the problem occurred while caching the readdir responses... Alexandre Oliva

03:59 PM Feature #1912 (Resolved): mds: should time out slow monitors

Similar to #1841 for the OSDs, the MDS should reconnect to a different monitor if its beacons go too long without get... Greg Farnum

03:15 PM Bug #1047 (In Progress): mds: crash on anchor table query

All right, looking through a log that Amon got me after I specified the right debug arguments. I see that there are t... Greg Farnum

01/07/2012

10:21 AM Bug #1902 (Won't Fix): mds: unittest_interval_tree bad memory access

after a segfault:... Sage Weil

01/06/2012

09:00 PM Bug #1682: mds: segfault in CInode::authority

hit this again:... Sage Weil

10:48 AM Bug #1435 (Need More Info): mds: loss of layout policies upon mds restart

Alexandre-
Same situation here. If you can produce a full mds log that includes the creation of the initial layou... Sage Weil

10:35 AM Bug #1318: directories disappear across multiple rsyncs

Alexandre, have you seen this recently? We haven't turned it up in our testing.
Could this be the same as #1774? Sage Weil

10:10 AM Bug #1774 (New): client: files become inaccessible in large directories (with snapshots?)

Sage Weil

10:09 AM Bug #1774 (Need More Info): client: files become inaccessible in large directories (with snapshots?)

Alexandre-
We're heavily focusing on rados for the next couple of weeks, so I don't have time to try to reproduce ... Sage Weil

10:07 AM Bug #1586 (Can't reproduce): failed pjd chmod test 00 on kclient

haven't seen this since... Sage Weil

01/04/2012

05:25 PM Bug #1047: mds: crash on anchor table query

After looking into this a lot today, none of my ideas panned out. I also tried a few simple tests to reproduce locall... Greg Farnum

10:33 AM Bug #1874: Running `git gc` on a bare git repository hosted by ceph results in a bus error.

Hi,
Drat, I was hoping this would be a simple-to-reproduce case. Never mind, here are some more details:
Kerne... David McBride

10:06 AM Bug #1874 (Need More Info): Running `git gc` on a bare git repository hosted by ceph results in a...

Sage Weil

10:06 AM Bug #1874: Running `git gc` on a bare git repository hosted by ceph results in a bus error.

Which version of the kernel client and server are you running?
Can you attach an strace -f of the 'git gc' run s... Sage Weil

03:27 AM Bug #1874 (Can't reproduce): Running `git gc` on a bare git repository hosted by ceph results in ...

When @git gc@ is run on a bare git repository hosted by a local test ceph filesystem mounted via the kernel client, i... David McBride

10:19 AM Bug #1878 (Resolved): ceph.ko doesn't setattr (lchown, utimes) on symlinks

rsync -a /my/symlink/pool/ /mnt/ceph.ko/pool/ silently fails to set times and ownership of symlinks, whereas the same... Alexandre Oliva

10:02 AM Bug #1877 (Can't reproduce): ceph.ko (3.1.6) oopses upon cephfs set_layout of a symlink to a dir

I moved elsewhere a directory that had a layout policy set. Later on, next time the mds lost directory policy inform... Alexandre Oliva

01/03/2012

03:43 PM Bug #1047: mds: crash on anchor table query

This log is less illuminating than I'd hoped since it's just replay commits. :(
However, it did give me one idea t... Greg Farnum

01/02/2012

08:01 PM Bug #1682: mds: segfault in CInode::authority

This probably isn't all that useful for anyone who knows the code well, but I threw together a quick run down of plac... Mark Nelson

05:47 AM Bug #1047: mds: crash on anchor table query

Here is what MDS logs with debug 20. No idea if it really helps. The cluster
is still in the broken state, should I... Amon Ott

12/31/2011

02:49 PM Bug #1774: client: files become inaccessible in large directories (with snapshots?)

Oh, interesting! With a debug client = 20, debug ms = 1 log from ceph-fuse this should be pretty straightforward to ... Sage Weil

12/30/2011

10:35 AM Bug #1549: mds: zeroed root CDir* vtable in scatter_writebehind_finish

hit this again, nightly_coverage_2011-12-29-b/5388... Sage Weil

12/29/2011

05:31 PM Bug #1682: mds: segfault in CInode::authority

Not sure if this is the same underlying problem, but here's another CInode::authority crash from teuthology:~teuthwor... Josh Durgin

10:59 AM Bug #1549: mds: zeroed root CDir* vtable in scatter_writebehind_finish

Happened again in teuthology:~teuthworker/archive/nightly_coverage_2011-12-29-a/5318/remote/ubuntu@sepia60.ceph.dream... Josh Durgin

12/22/2011

04:28 PM Bug #1047: mds: crash on anchor table query

Unfortunately there's not enough info in this log either. We're going to need a log with (at minimum) level 10 mds de... Greg Farnum

12/20/2011

04:25 PM Bug #1737: ceph-fuse crash in xlist::remove

Another occurence today in teuthology:~teuthworker/archive/nightly_coverage_2011-12-20-b/4585/teuthology.log Josh Durgin