Hi Chao I'm testing the kernel with your patch since last night. Will give new feedback a couple of days/weeks about how it goes.
Thank you. On Mon, Aug 21, 2017 at 11:58 AM, Chao Yu <c...@kernel.org> wrote: > 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
