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SubjectRe: [PREEMPT_RT] 8250 IRQ lockup when flooding serial console (was Re: [ANNOUNCE] v5.4.28-rt19)
On 2020-04-23 11:12:59 [+0200], Jiri Kosina wrote:
> On Thu, 23 Apr 2020, Jiri Kosina wrote:
>
> > > I'm pleased to announce the v5.4.28-rt19 patch set.
> >
> > First, I don't believe this is necessarily a regression coming with this
> > particular version, but this is the first kernel where I tried this and it
> > crashed.
>
> I just tried with 5.6.4-rt3, and I can make it explode exactly the same
> way:

I though I dealt with it. In the past it triggered also with threadirqs
on !RT but this isn't the case anymore. It still explodes on RT. Let me
look…

Sebastian

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