kern/67898: page fault while in kernel mode

Alan Cox alc at
Wed Jun 23 08:28:42 GMT 2004

On Wed, Jun 23, 2004 at 07:00:23AM +0000, Bruce M Simpson wrote:
> Synopsis: page fault while in kernel mode
> Responsible-Changed-From-To: freebsd-bugs->alc
> Responsible-Changed-By: bms
> Responsible-Changed-When: Wed Jun 23 07:00:07 GMT 2004
> Responsible-Changed-Why: 
> One for alc@, he was here recently

This should actually go to phk at .  The problem here appears to be that
the geomified swap strategy routines are no longer setting b_dev
(except to NULL in swapdev_strategy()).  Consequently, devtoname()
dereferences a NULL pointer.

I can imagine a quick fix, but Poul may have better ideas.


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