Issue #3187 has been updated by t_dfbsd.
This is on the 5.6.2 release.
Bug #3187: Kernel: multiple swap pager messages during hammer cleanup
http://bugs.dragonflybsd.org/issues/3187#change-13845
* Author: t_dfbsd
* Status: New
* Priority: High
*
Issue #3187 has been updated by t_dfbsd.
This issue is not limited to hammer1. I've replaced all but one of my disks
with SSDs all my volumes are hammer2 now and I've seen this same thing happen 3
times since then. Twice it appeared to happen during the nightly cleanup, but
once was during
Issue #3187 has been updated by t_dfbsd.
I was finally able to get a core dump while this was happening. I've uploaded
the files to crash/bug-3187 on leaf.
Bug #3187: Kernel: multiple swap pager messages during hammer cleanup
Issue #3187 has been updated by t_dfbsd.
This continues to fail on a regular basis and turning off encrypted swap didn't
help. Unfortunately, the nature of this failure is such that it won't allow me
to get core dump. The only fix is to reboot the machine which is needed several
times a week.
Issue #3187 has been updated by dillon.
Assignee set to dillon
I am going to guess that it is an interaction with the encrypted swap that is
causing the problem.
Try turning off encryption on your swap partition (in your /etc/fstab), reboot,
and see if the problem reoccurs.
-Matt
Issue #3187 has been updated by t_dfbsd.
File dmesg.boot added
File fstab added
Adding some machine info:
Samsung 1TB SSD containing:
- 60GB encrypted swap (via fstab crypt option)
- encrypted root
Data drives:
- 10TB SATA encrypted primary
- 8TB SATA encrypted backup (hammer-mirrored PFSes
Issue #3187 has been updated by t_dfbsd.
hammer cleanup is unusable until this gets fixed. I've disabled the script in
periodic daily for now.
Bug #3187: Kernel: multiple swap pager messages during hammer cleanup
