Henri Roosen | Entwicklung Software
GINZINGER ELECTRONIC SYSTEMS GMBH
Tel.: +43 7723 5422 161
Mail: henri.roosen@xxxxxxxxxxxxx
Web: www.ginzinger.com
On Sat, 2018-03-17 at 22:03 +0100, bigeasy@xxxxxxxxxxxxx wrote:
> On 2018-03-16 11:30:09 [+0100], To Roosen Henri wrote:
> > On 2018-03-14 20:55:24 [+0100], To Roosen Henri wrote:
> > > This survived 6 days. It was challenging to cancel hackbench
> > > because it
> > > was running via ssh in a screen session and I was loosing my
> > > network
> > > connection due to inactivity…
> >
> > okay. It may have survived but it managed to trigger this. Trying
> > to
> > make sense to this…
>
> So after I traced it down I figured out that you need
> 6b0ef92fee2a ("rtmutex: Make rt_mutex_futex_unlock() safe for irq-
> off callsites")
> https://git.kernel.org/tip/6b0ef92fee2a
>
Sorry for not being able to reply earlier, I was on a short holiday.
Thanks for figuring out the fix! I noticed you released v4.14.28-rt23
which includes the patch. I will give that version a test on our
systems.
As the inconsistent lock state issue was introduced only in v4.14, this
will not be the issue we've seen on v4.9. However, that might have been
fixed along the way to v4.14... I will keep you posted on the outcome.
> > > > Thanks,
> > > > Henri
>
> Sebastian
Thanks,
Henri
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