Hi Marcelo, Thanks for the report!
Would you have a try with below patch? f2fs: fix out-of-order execution in f2fs_issue_flush Thanks, On 2017/8/16 15:24, Marcelo "Marc" Ranolfi wrote: > Just wanted to let you all know that this is still an issue, even with > the 4.12.7 kernel. > > The two most affected applications are qemu-system-x86_64 and totem. > > On Wed, Aug 9, 2017 at 3:04 AM, Marcelo "Marc" Ranolfi > <marc.2...@gmail.com> wrote: >> What follows is a bug report. >> >> I've been experiencing system lockups somewhat randomly. Sometimes an >> application freezes, and when I go check its properties, it says the >> process' Wait Channel is _f2fs_issue_flush_. >> >> Sometimes it's the qemu process (which I use via libvirt), other times >> it's Firefox, or Gnome Videos (totem) and it happened to Nemo once as >> well. I have screenshots if necessary. >> >> I've been tracking this with screenshots, and it's happenning every 4 >> days - on average. >> >> When this happens, the process stays unresponsive no matter what. I tried: >> >> - Restarting swap >> - Restarting the Display Manager >> - Graceful shutdown / reboot - takes forever, doesn't work >> - Shutdown -k and unmounting filesystems from command line - root >> can't be unmounted unless -l used, no solution >> >> The only working solution is to reset the machine via power button or >> #reboot -f. >> >> I have: >> >> - Kingston SV300S37A120G - hardware is fine, I have other OS / filesystems >> on it >> - f2fs filesystem in a 40 GB partition, GPT >> - kernel 4.12.4 with systemd 234.11 - typical up-to-date Arch Linux setup. >> >> You gentlemen let me know if I provide more help. >> >> Best, >> Marc > > ------------------------------------------------------------------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > _______________________________________________ > Linux-f2fs-devel mailing list > Linux-f2fs-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel > ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel