[Kernel-packages] [Bug 1765998] Re: FS access deadlock with btrfs quotas enabled

2019-03-03 Thread Stéphane Lesimple
I see, thanks for the info. I'll report my findings so far here, in case it turns out useful to some future person landing on this bug later: The call trace of the deadlocked btrfs-cleaner kthread is as follows. Tainted: P OE4.15.0-45-generic #48-Ubuntu btrfs-cleaner D

[Kernel-packages] [Bug 1765998] Re: FS access deadlock with btrfs quotas enabled

2019-02-26 Thread Stéphane Lesimple
I confirm I'm having this problem too since migrating to Bionic from Xenial. My setup is a bit analogous to the original bug reporter: I have 5 drives (22 TB) in RAID1, organized in around 10 subvolumes with up to 20 snapshots per subvolume. After some hours running normally, at some point