From: Clark Williams <clark.williams@gmail.com>
To: "Moritz KLAMMLER (FERCHAU)" <Moritz.Klammler@ferchau.com>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
Thomas Gleixner <tglx@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
"linux-rt-devel@lists.linux.dev" <linux-rt-devel@lists.linux.dev>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: AW: Possible PREEMPT_RT live-lock / priority-inversion between FUTEX_CMP_REQUEUE_PI and FUTEX_WAIT_REQUEUE_PI
Date: Mon, 23 Mar 2026 15:26:06 -0500 [thread overview]
Message-ID: <acGh3pAAS5Ju6l0Y@demetrius> (raw)
In-Reply-To: <PR3PR06MB68891F0E8CF17A4260D46EE8FF4BA@PR3PR06MB6889.eurprd06.prod.outlook.com>
On Mon, Mar 23, 2026 at 04:12:24PM +0000, Moritz KLAMMLER (FERCHAU) wrote:
>
> >> we're running Linux 6.6 with PREEMPT_RT on a single-core armv7l machine
> > v6.6.109+?
>
> Yes, 6.6.122 to be precise.
>
Moritz,
Just to satisfy my curiosity, are you running my stable v6.6-rt kernels
or rolling your own? (Not that it would affect this bug at all, since my
tree has the same issue).
Thanks,
Clark
--
The United States Coast Guard
Ruining Natural Selection since 1790
next prev parent reply other threads:[~2026-03-23 20:26 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-20 19:23 Possible PREEMPT_RT live-lock / priority-inversion between FUTEX_CMP_REQUEUE_PI and FUTEX_WAIT_REQUEUE_PI Moritz KLAMMLER (FERCHAU)
2026-03-23 13:30 ` Sebastian Andrzej Siewior
2026-03-23 16:12 ` AW: " Moritz KLAMMLER (FERCHAU)
2026-03-23 20:26 ` Clark Williams [this message]
2026-03-24 18:50 ` AW: " Moritz KLAMMLER (FERCHAU)
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