Re: [perf_event_ctx_lock_nested] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:97

[Fengguang Wu]

On Mon, Oct 30, 2017 at 09:42:25AM +0100, Peter Zijlstra wrote:
> On Mon, Oct 30, 2017 at 12:02:01AM +0100, Fengguang Wu wrote:
> > The dmesg fragment is
> >
> > [   40.886662] done
> > [   40.886686] [   40.905102] capability: warning: `turbostat' uses 32-bit
> > capabilities (legacy support in use)
> > [   40.940087] IPMI Device Information
> > [   41.073351] [   41.076223] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:97
> > [   41.076224] in_atomic(): 1, irqs_disabled(): 0, pid: 14, name: watchdog/0
> > [   41.076226] CPU: 0 PID: 14 Comm: watchdog/0 Tainted: G           O    4.8.0-01558-g21f54dd #1
>                                                                           ^^^^^^^^^^^^^^^^^^^^
>
> That's not 4.14 or even close.

Yeah sorry -- it looks like a 0day bug. So the robot stores dmesg
files to the wrong commit dir, which made me believe they are all RC6
bugs. Sorry for the noises! 

Regards,
Fengguang