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Od: Nikolay Borisov <[email protected]> Komu: Zdenek Sojka <[email protected]>, [email protected] Datum: 11. 9. 2019 10:16:49 Předmět: Re: possible circular locking dependency detected (sb_internal/fs_reclaim) On 11.09.19 г. 10:54 ч., Zdenek Sojka wrote: > Hello, > > this is my fourth attempt to post this message to the mailing list; this > time, without any attached kernel config (because it has over 100KiB). I also > tried contacting the kernel btrfs maintainers directly by email, but they > probably also didn't receive the message... > > I am running kernel with lock debugging enabled since I am quite often > encountering various lockups and hung tasks. Several of the problems have > been fixed recently, but not all; I don't know if the following backtrace is > related to the hangups, or if it is just a false positive. > > $ uname -a > Linux zso 5.2.11-gentoo #2 SMP Fri Aug 30 07:18:03 CEST 2019 x86_64 Intel(R) > Core(TM) i7-6700 CPU @ 3.40GHz GenuineIntel GNU/Linux > > The kernel has a distro patchset applied (which should not affect this, but > you can never say that for sure) and I am compiling at -O3 -fipa-pta > -march=native instead of default -O2 (gcc-8.3.0). > > Please let me know if I can provide any more information. > > Best regards, > Zdenek Sojka > > The dmesg warning I recently triggered: > This already received a patch in [PATCH] btrfs: nofs inode allocations > It's just not reviewed/merged yet. Care to test that patch if you can > reliably reproduce this? Thank you for the reply, I missed that thread. Applied, and I will start testing. Best regards, Zdenek Sojka
