Activity
From 07/13/2021 to 08/11/2021
08/11/2021
- 05:32 PM Bug #42331 (Won't Fix): fscache: possible circular locking dependency detected
- This issue is almost certainly a problem in the fscache infrastructure itself. It's being worked out upstream, but I ...
- 05:31 PM Bug #42408 (Won't Fix): fscache: assertion failed 1 > 0 is false
- This issue is almost certainly a problem in the fscache infrastructure itself. It's being worked out upstream, but I ...
- 05:29 PM Bug #44398 (Resolved): fs: improve wanted handling so we don't request unused caps (active-standb...
- I think this was fixed a little over a year ago with several of Zheng's patches, mostly culminating in this commit:
... - 05:19 PM Bug #45563: __list_add_valid kernel NULL pointer in _ceph_remove_cap
- It looks like this probably fell down in the list_add_tail call in __ceph_queue_cap_release, so most likely the sessi...
- 11:26 AM Bug #46574 (Fix Under Review): Cephfs with kernel client mtime stuck when multiple clients append...
- Patch posted to ceph-devel:
https://lore.kernel.org/ceph-devel/20210811112324.8870-1-jlayton@kernel.org/T/#u
08/10/2021
- 10:36 PM Bug #42757 (Resolved): deadlock on lock_rwsem: rbd_quiesce_lock() vs watch errors
- In 5.4.136, 5.10.54 and 5.13.6.
- 09:26 PM Bug #46574: Cephfs with kernel client mtime stuck when multiple clients append to file
- I've been looking at this today. The problem seems to be in the order of operations by the client. It requests Fw cap...
08/09/2021
- 07:43 PM Bug #46574: Cephfs with kernel client mtime stuck when multiple clients append to file
- Basically, the mtime only freezes once there are competing clients writing to the file. If you kill one of the writer...
- 07:30 PM Bug #46574: Cephfs with kernel client mtime stuck when multiple clients append to file
- I can confirm the behavior. I'll note that the time does seem to be updated after the I/O stops, but that's not reall...
- 06:58 PM Bug #39938 (Resolved): Issues with CephFS kernel driver
- I believe this has been fixed upstream for quite some time.
- 05:59 PM Bug #48104 (In Progress): fs/ceph: ceph.dir.entries does not acquire necessary caps
- Not sure why I set this to "Fix Under Review" since we don't have a patch for this! What should we do here, do we rea...
- 05:49 PM Bug #47385 (Resolved): intermittent EACCES with recover_session=clean
- Fix went into mainline as dbeec07bc84f8229322d7919692a17adae1e388e.
- 05:46 PM Bug #46419 (Fix Under Review): ceph: ceph_add_cap: couldn't find snap realm 110
08/04/2021
- 03:54 PM Bug #52059 (In Progress): xfstests generic/001 failure
- 03:54 PM Bug #52059 (In Progress): xfstests generic/001 failure
- ...
08/03/2021
- 06:02 PM Bug #46419: ceph: ceph_add_cap: couldn't find snap realm 110
- Ok, patch posted here:
https://lore.kernel.org/ceph-devel/20210803175126.29165-1-jlayton@kernel.org/T/#u
I susp... - 04:37 PM Bug #46419: ceph: ceph_add_cap: couldn't find snap realm 110
- After going over this code in some pretty heavy detail, I think I've spotted a potential race in ceph_put_snap_realm:...
08/02/2021
- 08:14 PM Bug #46419: ceph: ceph_add_cap: couldn't find snap realm 110
- Nigel Williams wrote:
> We have had two hangs today we think due to this bug, any thoughts on whether this will arri... - 08:06 PM Bug #46419: ceph: ceph_add_cap: couldn't find snap realm 110
- I pulled down the kernel debuginfo for the kernel from Mark's original report. The stack trace that shows the refcoun...
07/30/2021
- 05:57 PM Bug #45562: soft lockup stuck for 22s! in ceph.ko and code stack is 'destroy_inode->ceph_destroy_...
- 'Crash signature (v1)' should hold the value of 'stack_sig' key (which is missing in this case). Moving its content i...
07/29/2021
- 06:14 PM Bug #51279: kclient hangs on umount (testing branch)
- Note that this means that my initial theory is probably wrong. This is not an ordering issue with us dropping a FLUSH...
- 05:02 PM Bug #51279: kclient hangs on umount (testing branch)
- There are a couple of cases in the kernel where we might get a cap message and drop it on the floor without logging a...
- 04:52 PM Bug #51279: kclient hangs on umount (testing branch)
- The hang has been reproduced and we see this in dmesg:...
07/28/2021
- 08:57 PM Bug #51948 (Resolved): Cephfs EL8.4 kernel client append mode corruption
- This is a known bug now fixed in mainline. 8.4.z should get this patch too, but I'm not yet clear on the ETA. See:
... - 08:00 PM Bug #51948 (Resolved): Cephfs EL8.4 kernel client append mode corruption
- A file corruption issue is occurring when using the cephfs kernel client on EL8.4 kernels (4.18.0-305.3.1 - 4.18.0-30...
07/26/2021
- 09:35 AM Bug #51845 (In Progress): pre-single-major kernel for ubuntu 20.04 is missing
- ...
- 09:32 AM Bug #42757 (Pending Backport): deadlock on lock_rwsem: rbd_quiesce_lock() vs watch errors
- In 5.14-rc3:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8798d070d416d18a75770fc... - 09:30 AM Bug #51759 (Resolved): NULL pointer dereference in rbd_open() in 5.14-rc
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0077a50082729c3f9ea2836f59e35d9b7dacfb1...
07/21/2021
- 03:20 PM Bug #51759 (Fix Under Review): NULL pointer dereference in rbd_open() in 5.14-rc
- [PATCH] rbd: resurrect setting of disk->private_data in rbd_init_disk()
- 09:28 AM Bug #51759: NULL pointer dereference in rbd_open() in 5.14-rc
- Looks like gendisk::private_data simply isn't getting set. This was introduced in 195b1956b85b ("rbd: use blk_mq_all...
- 06:18 AM Bug #51759 (Resolved): NULL pointer dereference in rbd_open() in 5.14-rc
- ...
- 01:54 PM Bug #51279: kclient hangs on umount (testing branch)
- To be clear, we did add a patch to the testing kernel to give us more info on these hangs. What it showed was that th...
07/20/2021
- 03:15 AM Bug #51734: kcient: the delayed_work() send too many client_caps requests one time and will delay...
- 6740078 2021-07-20 11:05:41.660 149df03bb700 20 -- v1:10.72.47.117:6819/926278509 done calling dispatch on 0x558e1ef...
- 01:20 AM Bug #51734: kcient: the delayed_work() send too many client_caps requests one time and will delay...
- This is from https://bugzilla.redhat.com/show_bug.cgi?id=1974882
- 01:19 AM Bug #51734 (Won't Fix): kcient: the delayed_work() send too many client_caps requests one time an...
- I have enable the kernel debug logs and hit one case that, the rmdir request was issued immediatelly just after the l...
07/16/2021
- 06:33 PM Bug #51279: kclient hangs on umount (testing branch)
- I have a theory as to what this is:
Once we removed the s_mutex from the cap sending codepath, I think that it bec...
07/15/2021
- 02:46 PM Bug #46284 (Resolved): softlockup in ceph_check_delayed_caps
- 02:46 PM Bug #46284: softlockup in ceph_check_delayed_caps
- A patch for this has now been merged into the testing branch. See:
e869cbcedf1a ceph: reduce contention in cep... - 02:40 PM Bug #48617 (Resolved): task fsstress:62206 blocked for more than 120 seconds.
- I haven't heard of this happening since Ilya's patch went in, so I'm going to (tentatively) close this bug. Reopen if...
- 02:38 PM Bug #51158 (Resolved): KASAN use after free when destroying inode at umount
- The patches for this are now merged into mainline kernels.
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