panic: mb_dtor_mbuf: M_EXT set

Gleb Smirnoff glebius at FreeBSD.org
Mon Jan 23 06:39:59 PST 2006


On Mon, Jan 23, 2006 at 04:35:07PM +0200, Ion-Mihai Tetcu wrote:
I> > On Mon, Jan 23, 2006 at 04:27:09PM +0200, Ion-Mihai Tetcu wrote:
I> > I> > On Sun, Jan 22, 2006 at 11:58:54PM +0200, Ion-Mihai Tetcu wrote:
I> > I> > I> > On Sun, Jan 22, 2006 at 04:17:12PM +0300, Gleb Smirnoff
I> > I> > I> > wrote:
I> > I> > I> > > On Sat, Jan 21, 2006 at 03:09:02PM +0300, Gleb Smirnoff
I> > I> > I> > > wrote:
I> > I> > I> > > T>   This should be fixed in src/sys/kern_mbuf.c, rev.
I> > I> > I> > > T> 1.9.2.3
I> > I> > I> > > 
I> > I> > I> > > And another bogus panic is removed in 1.9.2.4
I> > I> > I> > > 
I> > I> > I> > 
I> > I> > I> > The kernel is working again, thanks!
I> > I> > I> 
I> > I> > I> It's working in regard of vr0, thank you. However now my
I> > I> > I> computer resets w/o anything logged when starting kde; if I
I> > I> > I> only startx it doesn't happen (without exec startkde
I> > I> > I> in .xinitrc); I commented out any fancy options like dri with
I> > I> > I> no effect and it also happen if I kldunload snd_via8233
I> > I> > I> before starting kde.
I> > I> > I> 
I> > I> > I> This is with 1.9.2.3 (cvsupped around 21 to 22 midnight; it
I> > I> > I> didn't happen with sources from 19. 
I> > I> > 
I> > I> > Bad news. Can you do a binary search and find commit that makes
I> > I> > this regression?
I> > I> 
I> > I> FreeBSD 6.0-STABLE #1: Mon Jan 23 00:45:10 EET 2006  works    :)
I> > 
I> > So upgrading once more did help you?
I> 
I> So it seem. I am using ULE, I have no problem with the new kernel with
I> either UL or 4BSD. I didn't test the "bad" kernel with 4BSD, but I
I> could do it if you like.

Probably you hit another incorrect KASSERT in kern_mbuf.c. I have removed
it some time after the first one. Since X was starting at this moment you
couldn't be dropped into debugger, and so the box was rebooting.

-- 
Totus tuus, Glebius.
GLEBIUS-RIPN GLEB-RIPE


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