kernel trap 12 with zfs on 8.0 i386

[Christof Schulze]

Hello everyone,

recently I installed 8.0 on a i386 system (3gb ram, 
vm.kmem_size_max=vm.kmem_size=600M, arc size limited to 80M).
Using the same options that made this system work with zfs on 7.1

while running zpool import (sometimes it is as late as zfs mount) I get a 
kernel trap 12. I did run a textdump two days ago, the screenshots are 
available  here:

http://moooo.org/img/0/7393480.jpg
http://moooo.org/img/0/c2449c4.jpg
http://moooo.org/img/0/fa2c4b4.jpg
http://moooo.org/img/0/2425dd0.jpg
http://moooo.org/img/0/4d66584.jpg
http://moooo.org/img/0/79ee195.jpg
http://moooo.org/img/0/9d5af23.jpg
http://moooo.org/img/0/9d5af23.jpg
http://moooo.org/img/0/da3b3b0.jpg
http://moooo.org/img/0/069df9d.jpg
http://moooo.org/img/0/27cfd3d.jpg
http://moooo.org/img/0/49b4e1c.jpg
http://moooo.org/img/0/84e61df.jpg
http://moooo.org/img/0/a4964fc.jpg
http://moooo.org/img/0/c446b9c.jpg
http://moooo.org/img/0/ed6d658.jpg
http://moooo.org/img/0/1716e0c.jpg
http://moooo.org/img/0/36a8fad.jpg
http://moooo.org/img/0/59abbd2.jpg
http://moooo.org/img/0/8911b3c.jpg
http://moooo.org/img/0/a95ac41.jpg
http://moooo.org/img/0/d228c83.jpg
http://moooo.org/img/0/2229f58.jpg

I hope I did not miss anything essential, but it is easily reproducible, so I 
will gladly provide any information necessary needed to get this fixed.

kind regards

christof
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