panic: mb_dtor_mbuf: M_EXT set

Gleb Smirnoff glebius at
Mon Jan 23 06:50:43 PST 2006

On Mon, Jan 23, 2006 at 04:44:53PM +0200, Ion-Mihai Tetcu wrote:
I> > Probably you hit another incorrect KASSERT in kern_mbuf.c. I have
I> > removed it some time after the first one. Since X was starting at
I> > this moment you couldn't be dropped into debugger, and so the box was
I> > rebooting.
I> I don't know if I understand you right, but starting a bare X and
I> playing around for a while then typing startkde resulted in a reset.

When panic happens and you have X on the screen, the kernel can't switch
to syscons. It dumps core if you have KDB_UNATTENDED in kernel, in other
case it just reboots.

Totus tuus, Glebius.

More information about the freebsd-stable mailing list