Re: page fault panic in vm system
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On Sat, Jul 09, 2011 at 01:15:21PM -1000, Peter Avalos wrote:
> On Sat, Jul 09, 2011 at 04:01:29PM -0700, Matthew Dillon wrote:
> >=20
> > This is vm_page_rb_tree_RB_LOOKUP() .. the red-black lookup code
> > for a vm_page in an object. Called from vm_page_lookup().
> >=20
> > Currently the global vm_token protects that field. I didn't see any
> > particular race there but the problem could be related to a more
> > general reference count problem with VM objects.
> >=20
>=20
> Ok, so it looks like it's the original panic then. Are the vmcores any
> help to figure out what's going on?
>=20
I just got the same panic on a more recent kernel, but the backtrace
looks the same. It's available at:
http://www.theshell.com/~pavalos/crash/crash31.tar.xz
--Peter
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