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From 07/20/2021 to 08/18/2021

08/18/2021

08:12 AM Bug #52295 (Fix Under Review): kclient: force umount cause Objects remaining in ceph_inode_info o...
The patchwork link: https://patchwork.kernel.org/project/ceph-devel/list/?series=533257 Xiubo Li
08:02 AM Bug #52295: kclient: force umount cause Objects remaining in ceph_inode_info on __kmem_cache_shut...
One more:... Xiubo Li
08:02 AM Bug #52295: kclient: force umount cause Objects remaining in ceph_inode_info on __kmem_cache_shut...
Another warning:... Xiubo Li
01:38 AM Bug #52295 (In Progress): kclient: force umount cause Objects remaining in ceph_inode_info on __k...
I can reproduce this very easily by using both the upstream and downstream ceph-client kernels. Xiubo Li

08/17/2021

06:46 PM Bug #52303 (Resolved): Client should fail mounts on misunderstood mdsmap updates
Right now, if the kernel client doesn't understand an mdsmap, it just prints out an error message, drops the map, and... Greg Farnum
12:49 PM Bug #52295 (Resolved): kclient: force umount cause Objects remaining in ceph_inode_info on __kmem...
<3>[ 1639.496019] =============================================================================
<3>[ 1639.496022] BU...
Xiubo Li
12:48 PM Bug #52283 (Fix Under Review): kclient: cache_from_obj: Wrong slab cache. ceph_cap_flush but obje...
Patchwork link: https://patchwork.kernel.org/project/ceph-devel/patch/20210817123517.15764-1-xiubli@redhat.com/ Xiubo Li

08/16/2021

03:51 PM Bug #51734: kcient: the delayed_work() send too many client_caps requests one time and will delay...
Xiubo, does this improve at all with the recent livelock fix from Luis?... Jeff Layton
11:15 AM Bug #52283: kclient: cache_from_obj: Wrong slab cache. ceph_cap_flush but object is from kmalloc-256
This should be caused by:... Xiubo Li
11:09 AM Bug #52283 (Resolved): kclient: cache_from_obj: Wrong slab cache. ceph_cap_flush but object is fr...
... Xiubo Li

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 ... Jeff Layton
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 ... Jeff Layton
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:
...
Jeff Layton
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... Jeff Layton
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
Jeff Layton

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. Ilya Dryomov
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... Jeff Layton

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... Jeff Layton
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... Jeff Layton
06:58 PM Bug #39938 (Resolved): Issues with CephFS kernel driver
I believe this has been fixed upstream for quite some time. Jeff Layton
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... Jeff Layton
05:49 PM Bug #47385 (Resolved): intermittent EACCES with recover_session=clean
Fix went into mainline as dbeec07bc84f8229322d7919692a17adae1e388e. Jeff Layton
05:46 PM Bug #46419 (Fix Under Review): ceph: ceph_add_cap: couldn't find snap realm 110
Jeff Layton

08/04/2021

03:54 PM Bug #52059 (In Progress): xfstests generic/001 failure
Ilya Dryomov
03:54 PM Bug #52059 (In Progress): xfstests generic/001 failure
... Ilya Dryomov

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...
Jeff Layton
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:... Jeff Layton

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...
Jeff Layton
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... Jeff Layton

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... Yaarit Hatuka

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... Jeff Layton
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... Jeff Layton
04:52 PM Bug #51279: kclient hangs on umount (testing branch)
The hang has been reproduced and we see this in dmesg:... Jeff Layton

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:
...
Jeff Layton
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... Jason Borden

07/26/2021

09:35 AM Bug #51845 (In Progress): pre-single-major kernel for ubuntu 20.04 is missing
... Ilya Dryomov
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...
Ilya Dryomov
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... Ilya Dryomov

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() Ilya Dryomov
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... Ilya Dryomov
06:18 AM Bug #51759 (Resolved): NULL pointer dereference in rbd_open() in 5.14-rc
... Ilya Dryomov
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... Jeff Layton

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... Xiubo Li
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 Xiubo Li
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... Xiubo Li
 

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