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From 03/15/2012 to 04/13/2012

04/13/2012

10:40 PM Bug #2298 (Resolved): rbd: broken encode_op for big-endian hosts?
... Sage Weil
01:48 PM Bug #2287 (Resolved): rbd: crashes with 10Gbit network and fio
From http://permalink.gmane.org/gmane.comp.file-systems.ceph.devel/5968:... Josh Durgin

04/11/2012

08:09 AM Bug #2260: libceph: null pointer dereference at try_write+0x638+0xfb0
Looks like the problem arose while running fsstress on the xfs loop
mount on top of a file on the ext2 filesystem.
...
Alex Elder
07:56 AM Bug #2260: libceph: null pointer dereference at try_write+0x638+0xfb0
FYI, xfstests 49 tests running XFS on a loop device. I have to wait for a
reboot in order to see if I can tell at w...
Alex Elder
07:49 AM Bug #2260: libceph: null pointer dereference at try_write+0x638+0xfb0
Looks like xfstests #49 is a reproducer for this problem, at least
after running the tests that lead up to it first ...
Alex Elder
05:29 AM Bug #2261 (In Progress): paging error in libceph after crashed osd comes back online
Alex Elder
05:22 AM Bug #2261 (Can't reproduce): paging error in libceph after crashed osd comes back online
... Pim van Riezen

04/10/2012

09:04 PM Bug #2260: libceph: null pointer dereference at try_write+0x638+0xfb0
I'm going to have to look at this again in the morning, but I think
we're in this block of code:
#ifdef CONFIG_BL...
Alex Elder
08:37 PM Bug #2260: libceph: null pointer dereference at try_write+0x638+0xfb0
Here's a disassembled block of the code where the fault occurred.
The address listed corresponds to offset 3468 belo...
Alex Elder
08:10 PM Bug #2260 (Resolved): libceph: null pointer dereference at try_write+0x638+0xfb0
It's not an exact match but it's close enough that I wanted to reopen
bug 1793 or 1866, but found myself unable to. ...
Alex Elder

04/04/2012

11:20 AM Bug #2242: rbd: spinlock on wrong cpu
OK, I think this problem arises because of the switch to a spinlock to
protect the client list. Doing so was the ri...
Alex Elder
09:53 AM Bug #2242 (Resolved): rbd: spinlock on wrong cpu
... Sage Weil
09:54 AM Bug #2243 (Resolved): btrfs: warning in orphan_commit_root
2012-04-04T01:02:59.191518-07:00 plana32 kernel: [ 8815.371555] ------------[ cut here ]------------
2012-04-04T01:0...
Sage Weil

03/29/2012

08:54 PM Bug #1940 (Resolved): locking cycle in ceph_osdc_start_request
commit:ab434b60ab07f8c44246b6fb0cddee436687a09a Sage Weil
07:53 PM Bug #1793 (Can't reproduce): NULL pointer dereference at try_write+0x627/0x1060
Marking this Can't Reproduce. Will reopen if it shows up again. Alex Elder
03:21 PM Bug #1793: NULL pointer dereference at try_write+0x627/0x1060
Another 100 iterations of kernel_untar_build.sh using the current
master branch (c666601a935b94cc0f3310339411b6940de...
Alex Elder
07:51 AM Bug #1793: NULL pointer dereference at try_write+0x627/0x1060
Bugs 1793 and 2081 have a signature of a page fault/bad memory reference
from process_one_work() -> con_work(), and ...
Alex Elder
07:53 PM Bug #2069 (Can't reproduce): client crash during kernel_untar_build rm -r step
I just finished at least 150 iterations of kernel_untar.sh and never
hit this using the current master branch of cep...
Alex Elder
07:51 PM Bug #2081 (Can't reproduce): msgr: spinlock badness?
Marking this Can't Reproduce. Will reopen if it happens again. Alex Elder
07:43 PM Bug #2081: msgr: spinlock badness?
Another 100 iterations of kernel_untar_build.sh using the current
master branch (c666601a935b94cc0f3310339411b6940de...
Alex Elder
07:51 AM Bug #2081 (Need More Info): msgr: spinlock badness?
Bugs 1793 and 2081 have a signature of a page fault/bad memory reference
from process_one_work() -> con_work(), and ...
Alex Elder
07:50 PM Bug #2174 (Can't reproduce): rbd: iozone thrashing failure
OK, I'll go ahead and state that I can't reproduce this... Alex Elder
07:46 PM Bug #2174: rbd: iozone thrashing failure
Status was Verified. Changing it to Need More Info because I can't even
seem to reproduce it at this point. (I sup...
Alex Elder
07:44 PM Bug #2174: rbd: iozone thrashing failure
Another 12 iterations of suites/iozone.sh using the current
master branch (c666601a935b94cc0f3310339411b6940de751ba)...
Alex Elder
07:59 AM Bug #2174: rbd: iozone thrashing failure
I don't know whether we've adequately captured the signature or symptoms
of this problem. I believe though that it ...
Alex Elder
07:20 AM Bug #2174: rbd: iozone thrashing failure
I have been trying to reproduce this using the latest testing/master/for-linus
branch (they're the same right now) a...
Alex Elder
09:27 AM Bug #2224 (Rejected): Oops in __cfh_to_dentry
I setup an HA pair of NFS servers which re-export Ceph to NFS clients.
The HA pair is in active/standby mode, using...
Henry Chang
07:24 AM Bug #2064 (Resolved): ceph-client: messenger: nocrc flag not implemented correctly
Linus pulled in the changes without any immediate trouble, so
I'm marking this and a few others resolved.
Alex Elder
07:12 AM Bug #2157 (Resolved): ceph: xattr: fix nanosecond display on i_rctime
Linus pulled in the changes without any immediate trouble, so
I'm marking this and a few others resolved.
Alex Elder
07:12 AM Bug #2156 (Resolved): ceph: xattr: fix a possible buffer overrun bug
Linus pulled in the changes without any immediate trouble, so
I'm marking this and a few others resolved.
Alex Elder
07:11 AM Bug #2155 (Resolved): ceph: xattr: wrong value assumed for "no preferred PG"
Linus pulled in the changes without any immediate trouble, so
I'm marking this and a few others resolved.
Alex Elder

03/28/2012

04:11 AM Tasks #2138: rbd: run xfstests on a local XFS filesystem over RBD
After setting up two rbd devices and making some fairly simple changes
to xfstests, then setting up appropriate envi...
Alex Elder
04:04 AM Bug #2155: ceph: xattr: wrong value assumed for "no preferred PG"
This got rebased: 3489b42a72a41d477665ab37f196ae9257180abb
This has been sent as part of a pull request to Linus ...
Alex Elder
04:04 AM Bug #2156: ceph: xattr: fix a possible buffer overrun bug
This got rebased: 3489b42a72a41d477665ab37f196ae9257180abb
This has been sent as part of a pull request to Linus ...
Alex Elder
04:03 AM Bug #2157: ceph: xattr: fix nanosecond display on i_rctime
This got rebased: 3489b42a72a41d477665ab37f196ae9257180abb
This has been sent as part of a pull request to Linus ...
Alex Elder
04:01 AM Bug #2064: ceph-client: messenger: nocrc flag not implemented correctly
It got rebased once more, and this should be the last:
37675b0f42a8f7699c3602350d1c3b2a1698a3d3
This has been s...
Alex Elder

03/27/2012

09:07 AM Bug #2174: rbd: iozone thrashing failure
I've been off on other things, but this problem apparently recurred
even if the latest check-in (Josh's change) in p...
Alex Elder

03/15/2012

09:49 AM Bug #2174: rbd: iozone thrashing failure
The test that reproduced the problem has now run once to completion
without hitting it. Therefore it's ready to shi...
Alex Elder
08:35 AM Bug #2174: rbd: iozone thrashing failure
... Alex Elder
07:57 AM Bug #2174: rbd: iozone thrashing failure
Thanks Alex. I remember thinking it fixed a race initially, but then going back later and being unable to find the ra... Josh Durgin
07:43 AM Bug #2174: rbd: iozone thrashing failure
That's excellent Josh. I'll use it, it's basically what I was
thinking of doing anyway, now I'll just use yours. D...
Alex Elder
07:38 AM Bug #2174: rbd: iozone thrashing failure
That analysis of the race looks correct to me. The first unapplied patch in wip-rbd would have fixed this (9a3e22a0ce... Josh Durgin
07:14 AM Bug #2174: rbd: iozone thrashing failure
... Alex Elder
07:12 AM Bug #2174: rbd: iozone thrashing failure
I think I can explain this:
[ 265.117432] INFO: trying to register non-static key.
[ 265.149933] the code is ...
Alex Elder
 

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