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

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Bug #3187: Kernel: multiple swap pager messages during hammer cleanup
http://bugs.dragonflybsd.org/issues/3187#change-13788

* Author: t_dfbsd
* Status: New
* Priority: High
* Assignee: dillon
* Category: 
* Target version: 
----------------------------------------
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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