https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=255499
--- Comment #8 from teodorsig...@gmail.com <teodorsig...@gmail.com> ---
Hello!
I faced with freezing my desktop. When I compiled new postgres and run tests by
'gmake -j8 check-world' that tests never finished and box after several minutes
become unresponsive if current application touches disk. Even
Ctrl+Alt+Backspace after Xorg exiting doesn't return me to console command
prompt. At this moment, systat shows writes to disk with 1.7Gb per second,
although after rebooting I don't see any unexpected files, postgresql directory
takes only 4Gb spaces.
Also, removing ports tree causes very close sympthoms, although after 10
minutes after rm finished OS came back to work. So, after rm finished, I see
1.7Gb writes per second on disks.
I made several tries to resolve:
- I noticed, that root terminal lives longer than terminals of unprivileged
user and found that only root has unlimited memorylocked limit. Changing
this limit - no success.
- Tried on/off IOMMU option in kerconf. No luck.
- increase .sujournal - again
- Update firmware on NVMe driver - the same
- Suggested that somehow old data on disk wasn't trimmed (TRIM/BIO_DELETE
command) and I wrote ~1.5 Tb file and erased it in hope that system will
send trim command to drive. No result.
Note, Freebsd 12.2 worked well even with -j16 parallelization. And my second
box, laptop with Freebsd 13, works well with the same args.
Pls, help me to resolve issue.
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