From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Jiri Kosina <jikos@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>,
LKML <linux-kernel@vger.kernel.org>,
linux-rt-users <linux-rt-users@vger.kernel.org>,
Steven Rostedt <rostedt@goodmis.org>,
Frederic Weisbecker <fweisbec@gmail.com>,
Matt Fleming <matt@codeblueprint.co.uk>,
Daniel Wagner <dwagner@suse.de>
Subject: Re: [PREEMPT_RT] 8250 IRQ lockup when flooding serial console (was Re: [ANNOUNCE] v5.4.28-rt19)
Date: Thu, 23 Apr 2020 12:45:59 +0200 [thread overview]
Message-ID: <20200423104559.rgplz6rqk6sg4kz7@linutronix.de> (raw)
In-Reply-To: <nycvar.YFH.7.76.2004231111550.19713@cbobk.fhfr.pm>
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
next prev parent reply other threads:[~2020-04-23 10:46 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-30 14:47 [ANNOUNCE] v5.4.28-rt19 Sebastian Andrzej Siewior
2020-04-23 8:51 ` [PREEMPT_RT] 8250 IRQ lockup when flooding serial console (was Re: [ANNOUNCE] v5.4.28-rt19) Jiri Kosina
2020-04-23 9:12 ` Jiri Kosina
2020-04-23 10:45 ` Sebastian Andrzej Siewior [this message]
2020-04-23 13:06 ` Steven Rostedt
2020-04-23 18:34 ` Steven Rostedt
2020-04-23 18:47 ` Sebastian Andrzej Siewior
2020-04-23 16:07 ` Sebastian Andrzej Siewior
2020-04-23 16:20 ` [PATCH RT] Revert "rt: Improve the serial console PASS_LIMIT" Sebastian Andrzej Siewior
2020-04-23 16:21 ` Sebastian Andrzej Siewior
2020-04-23 19:48 ` [PREEMPT_RT] 8250 IRQ lockup when flooding serial console (was Re: [ANNOUNCE] v5.4.28-rt19) Jiri Kosina
2020-04-23 20:15 ` Steven Rostedt
2020-04-24 19:19 ` Sebastian Andrzej Siewior
2020-04-24 20:54 ` Jiri Kosina
2020-04-27 9:17 ` Sebastian Andrzej Siewior
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