[DragonFlyBSD - Bug #3187] Kernel: multiple swap pager messages during hammer cleanup

bugtracker-admin at leaf.dragonflybsd.org bugtracker-admin at leaf.dragonflybsd.org
Wed Oct 9 06:58:29 PDT 2019


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.

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Bug #3187: Kernel: multiple swap pager messages during hammer cleanup
http://bugs.dragonflybsd.org/issues/3187#change-13819

* Author: t_dfbsd
* Status: New
* Priority: High
* Assignee: dillon
* Category: 
* Target version: 
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On master, commit a19800f223, running hammer cleanup causes dozens of messages like this and causes the machine to become inaccessible by network services, SSH in particular, although ping still works:

May 23 19:20:14 <kern.crit> boojum kernel: swap_pager: indefinite wait buffer:  bp 0xfffff800735334d8 offset: 5092941824, size: 4096  m=0xfffff8005fee7580 busy=e0000000 flags=00004080

This behavior was also observed at commit d29a2431b3, so whatever is causing it is probably earlier than that. When I ran hammer cleanup today, the last thing I noticed running before my SSH connection died was hammer reblock-btree. This was on a 8TB encrypted volume.

---Files--------------------------------
dmesg.boot (88 KB)
fstab (976 Bytes)


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