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From 12/21/2011 to 01/19/2012

01/19/2012

07:51 AM Bug #1907: rbd: don't reuse device ids while they're still in use elsewhere
I can ask on fsdevel, but right now I feel the need to understand a
little better what's going in inside rbd in orde...
Alex Elder

01/18/2012

11:27 AM Bug #1907: rbd: don't reuse device ids while they're still in use elsewhere
my gut feeling is also that 'echo > /sys/bus/rbd/remove' should return EBUSY (along with rbd unmap). if you can't te... Sage Weil
10:40 AM Bug #1907: rbd: don't reuse device ids while they're still in use elsewhere
Alex Elder wrote:
> From the linked message:
> > root <at> cephnode3:/# rbd unmap /dev/rbd0
> >
> < -> works wit...
Josh Durgin
09:51 AM Bug #1907: rbd: don't reuse device ids while they're still in use elsewhere
From the linked message:
> root <at> cephnode3:/# rbd unmap /dev/rbd0
>
< -> works without any error message (sho...
Alex Elder
05:57 AM Bug #1795 (Resolved): break d_lock > s_cap_lock ordering
I have verified under UML that no new problems arise with the
fix in place. I have not verified the lockdep warning...
Alex Elder

01/13/2012

10:55 PM Bug #1940: locking cycle in ceph_osdc_start_request
this was causing teuthology runs to fail.
patch in master, testing!
Sage Weil
10:28 PM Bug #1940 (Resolved): locking cycle in ceph_osdc_start_request
... Sage Weil
07:14 PM Bug #1795: break d_lock > s_cap_lock ordering
I was hitting some odd behavior while testing. Will try again over
the weekend or early next week.
Also, a note:...
Alex Elder
02:28 PM Bug #1795: break d_lock > s_cap_lock ordering
OK, after several iterations and some discussion we
concluded the last two patches (turning these things
into atomi...
Alex Elder
11:54 AM Bug #1795: break d_lock > s_cap_lock ordering
I have posted a series of four proposed patches to the list to address
this, along with a few other issues identifie...
Alex Elder

01/12/2012

04:25 PM Bug #1795 (In Progress): break d_lock > s_cap_lock ordering
Discussed this with Sage. The problem arose because dentry_lease_is_valid()
is using the MDS session's s_cap_lock f...
Alex Elder
11:07 AM Feature #1922 (Resolved): rbd: annotate for lockdep
The fix was to initialize the semaphore in rbd_add().
I have verified that this eliminates the lockdep warning.
...
Alex Elder

01/11/2012

08:12 PM Feature #1922: rbd: annotate for lockdep
I believe the problem is that when a new rbd device structure gets
initialized in rbd_add(), the rw_semaphore contai...
Alex Elder

01/10/2012

03:32 PM Feature #1922 (Resolved): rbd: annotate for lockdep
This happened when lockdep was turned on:... Josh Durgin
09:45 AM Feature #1870 (Resolved): usedcache mount option
Sage Weil

01/09/2012

03:40 PM Bug #1871 (Resolved): ceph_client: crash after running xfstests 002
Sage Weil
11:23 AM Bug #1907 (Resolved): rbd: don't reuse device ids while they're still in use elsewhere
If an FS on top of rbd is mounted, and the rbd device is unmapped, and another one is mapped, the old sysfs entry is ... Josh Durgin

01/03/2012

02:33 PM Bug #1866 (Duplicate): null pointer dereference after osd went down
same as #1793 Sage Weil
01:10 PM Feature #1870: usedcache mount option
maybe call it use_dcache? usedcache is easy to misread as 'used cache'. Josh Durgin
11:14 AM Feature #1870 (Resolved): usedcache mount option
Sage Weil
11:46 AM Bug #1871 (Resolved): ceph_client: crash after running xfstests 002
Running xfstests under UML against a ceph filesystem, I get a
client crash due to dereferencing a null pointer in ce...
Alex Elder
11:00 AM Bug #1767 (Resolved): osd_client: send_request() cannot fail
commit:24e08cacc999503a069003364565116c923342b9 Sage Weil
10:53 AM Bug #1762 (Resolved): i_lock vs s_cap_lock vs inodes_with_caps_lock lock ordering
merged into mainline for 3.2 Sage Weil
10:47 AM Bug #1652 (Resolved): rbd: rollback correctly after resizing
we removed rollback functionality from the kernel. Sage Weil
10:42 AM Bug #1812 (Resolved): iput scheduling while atomic
Sage Weil
10:42 AM Bug #1812: iput scheduling while atomic
fixed by commit:aab26905f6a1df8e6a14f41a32a93b9af0c8b7c5 Sage Weil

12/30/2011

03:28 PM Bug #1793: NULL pointer dereference at try_write+0x627/0x1060
looks like a null pointer dereference.. look for a struct member that's 0x48 bytes in? Sage Weil
02:59 PM Bug #1793: NULL pointer dereference at try_write+0x627/0x1060
This happened again with the same workload on sepia81. Josh Durgin

12/29/2011

03:30 PM Bug #1866 (Duplicate): null pointer dereference after osd went down
This was during a kernel_untar_build workunit on rbd:... Josh Durgin
 

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