On Fri, Oct 02, 2015 at 09:51:24AM -0700, Jaegeuk Kim <jaeg...@kernel.org> wrote: > > However, I have a freeze. When I mount the volume, start a du on it, and > > after > > a while do: > > How was your scenario? > Did you delete device before, or just plain mount and umount?
After writing >2TB to it, I let it idle/gc for a while, then unmounted. Then did a fsck and mount, and let it idle for the night. On the next day, I did a du for a speed test, relaised I hadn't dropped the caches, interrupted the du, and then trie drop_caches with the result. > This should be shrinker is stuck on mutex. I suspect a deadlock. > Can you do this, if you meet this again? Will do. Btw, I already mentioned that /proc/*/stack didn't give a useful backtrace. Since it was apparently running, I thought maybe run cat /.../stack in a loop, and indeed, after a minute, I got one backtrace out of it (the process doing the echo): http://ue.tst.eu/2562aec1c51d4bad3d7b8b83380956a7.txt Maybe that is already useful? It indeed mentions the shrinker. (I did this after my mail, so didn't include it). -- The choice of a Deliantra, the free code+content MORPG -----==- _GNU_ http://www.deliantra.net ----==-- _ generation ---==---(_)__ __ ____ __ Marc Lehmann --==---/ / _ \/ // /\ \/ / schm...@schmorp.de -=====/_/_//_/\_,_/ /_/\_\ ------------------------------------------------------------------------------ _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
