[DragonFlyBSD - Bug #2276] umount mfs crash - Fatal trap 12

Thomas Nikolajsen via Redmine bugtracker-admin at leaf.dragonflybsd.org
Sun Jan 22 15:19:07 PST 2012

Issue #2276 has been updated by Thomas Nikolajsen.

Core dump uploaded to leaf: ~thomas/crash/38

How to reproduce (results in immediate crash here every time):
on i386 (didn't try x86_64 yet)
# mount mfs file system, and umount i again
mkdir /boot/tmp2
mount -t mfs -o -s=655360 swap /boot/tmp2
umount /boot/tmp2
Bug #2276: umount mfs crash - Fatal trap 12

Author: Thomas Nikolajsen
Status: New
Priority: Normal
Target version: 

Using fresh master (January 17th 2012),
umount of mfs mount crashes system.

This happens every time; core dump avail on request.

Fatal trap 12: page fault while in kernel mode
> trace

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