I was running kernel 5.7.5 on a fully updated Arch Linux desktop system. On Fri, Jun 26, 2020 at 2:33 PM Chris Mason <clm@xxxxxx> wrote: > > On 26 Jun 2020, at 15:30, Tim Cuthbertson wrote: > > > Well, I am going back to using a weekly, manual fstrim. I have been > > doing that for many months with no issues. > > > > I cannot be certain that discard=async caused the problem. However, I > > had implemented that for the first time less than two days before I > > discovered the problem. My system was still booting and seeming to run > > fine, but then Firefox refused to start. I was looking for the problem > > and I found csum errors in the systemd journal. Then, I ran btrfs > > scrub, and found that there were 12,936 csum errors. > > > > The systemd journals should still be available, if you'd like me to > > post them. > > I’ll try reproducing things, which kernel were you running? > > -chris
