zfs: Fatal trap 12: page fault while in kernel mode

[Andriy Gapon]

on 30/07/2009 17:39 Thomas Backman said the following:
> On Jul 30, 2009, at 16:24, Andriy Gapon wrote:
>>
>> Could you please add DEBUG_VFS_LOCKS to kernel config and check that
>> we haven't
>> broke VFS locking with the patch?
>> Thank you again!
>>
>> -- 
>> Andriy Gapon
> Hey, thank *you* :)
> Currently recompiling the kernel, I'll have a look later. What do I do,
> though? Just keep an eye on the console, or something more involved?
> (Or, since the handbook mentions lockedvnods in ddb: when should I check
> lockedvnods?)

I think you should get a panic if anything goes wrong.
And I think you would get one :-)

Next thing to try after that is the updated patch from Pawel:
http://people.freebsd.org/~pjd/patches/zfs_vnops.c.2.patch


-- 
Andriy Gapon