"panic: trap: fast data access mmu miss" on 5.2-C
kris at obsecurity.org
Tue Feb 10 20:05:23 PST 2004
On Thu, Feb 05, 2004 at 03:35:36PM +0100, Thomas Moestl wrote:
> On Thu, 2004/02/05 at 00:54:09 -0800, Kris Kennaway wrote:
> > On Sun, Feb 01, 2004 at 05:49:50PM +0100, Thomas Moestl wrote:
> > > Looks like the back trace ran off the end of the stack;
> > > db_stack_trace_cmd() only handles the usual starting points of kernel
> > > stacks (traps from userland), but not freshly forked processes (or
> > > kernel threads). The attached patch should fix that by initializing
> > > the fr_pc and fr_fp fields of the first frame to 0 in cpu_fork().
> Did you get a witness backtrace ending in fork_trampoline() since?
Looks like this is good to go.
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