On 6/24/20, Donald Wilde <[email protected]> wrote: > On 6/24/20, Greg 'groggy' Lehey <[email protected]> wrote: >> On Wednesday, 24 June 2020 at 9:36:23 -0700, Donald Wilde wrote: >>> All, >>> >>> I recently upgraded my 12-STABLE system to the latest, and now my >>> swap subsystems aren't working. I deliberately set up a 40GB >>> partition for swap, and when I do 'top -t' I am only seeing 7906M >>> total. >> >> That looks suspiciously like the difference from 32 GB. Could it be >> numeric overflow? And if so, where? What does pstat -s say? >> > > Well, hi Greg! LTNT2! > > pstat -shm: > > /dev/ada0s1b 65536 (1M blocks), Used: 1.5G, Avail: 63G, Capacity: 2% > > This is while synth is still running on openblas and openjdk8. > >>> When using synth, it shows swap usage of < 2%, but then it gives the >>> 'out of swap' complaint and tosses all my users out into neverland. >> >> Unless this also causes kernel messages to that effect, this, too, >> could be an issue with synth. > > I believe the messages about 'out of swap' were from the kernel as it > died, not synth. As I say, it killed all my active users, both root > and non-root. > > Why does _top_ show the 7906M number? I suspect that it's deeper than > just synth. > > What else can I share to help diagnose this?
Let me try this: I can reduce kern.maxswzone to a number lower than 32G. That won't _solve_ the underlying problem, but we can see if it impacts both top and synth. I just did portsnap fetch update and it came up with 300 patches, so that should give us a good run! [snip] -- Don Wilde **************************************************** * What is the Internet of Things but a system * * of systems including humans? * **************************************************** _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[email protected]"
