Re: kernel BUG at net/rxrpc/local_object.c:LINE!

Dmitry Vyukov
2019-07-31T14:46:31Z

On Wed, Jul 31, 2019 at 4:30 PM David Howells <dhowells@redhat.com> wrote:
>
> Dmitry Vyukov <dvyukov@google.com> wrote:
>
> > Re bisection, I don't know if there are some more subtle things as
> > play (you are in the better position to judge that), but bisection log
> > looks good, it tracked the target crash throughout and wasn't
> > distracted by any unrelated bugs, etc. So I don't see any obvious
> > reasons to not trust it.
>
> Can you turn on:
>
> echo 1 > /sys/kernel/debug/tracing/events/rxrpc/rxrpc_local/enable
>
> and capture the trace log at the point it crashes?

Please send a patch for testing that enables this tracing
unconditionally. This should have the same effect. There is no way to
hook into a middle of the automated process and arbitrary tune things.