From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Bert Karwatzki <spasswolf@web.de>
Cc: Thomas Gleixner <tglx@linutronix.de>,
linux-kernel@vger.kernel.org, linux-rt-devel@lists.linux.dev
Subject: Re: "Dead loop on virtual device" error without softirq-BKL on PREEMPT_RT
Date: Tue, 17 Feb 2026 08:19:52 +0100 [thread overview]
Message-ID: <20260217071952.WCXLGs5-@linutronix.de> (raw)
In-Reply-To: <37d6e27f96afb57c5716798530cb3560d25202e5.camel@web.de>
On 2026-02-17 00:48:25 [+0100], Bert Karwatzki wrote:
> The problem seems to be that different preemtible threads try to send skbs.
This does not matter because the counter is per-thread not per-CPU.
> 2026-02-17T00:29:24.212231+01:00 [ T1513] Dead loop on virtual device wlp4s0, fix it urgently!
Could you please do a backtrace here, for instance via WARN_ON_ONCE()
> Bert Karwatzki
Sebastian
next prev parent reply other threads:[~2026-02-17 7:19 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-16 13:43 "Dead loop on virtual device" error without softirq-BKL on PREEMPT_RT Bert Karwatzki
2026-02-16 15:32 ` Bert Karwatzki
2026-02-16 15:37 ` Sebastian Andrzej Siewior
2026-02-16 23:48 ` Bert Karwatzki
2026-02-17 7:19 ` Sebastian Andrzej Siewior [this message]
2026-02-17 8:56 ` Bert Karwatzki
2026-02-17 9:57 ` Sebastian Andrzej Siewior
2026-02-17 10:42 ` Bert Karwatzki
2026-02-17 11:24 ` Bert Karwatzki
2026-02-17 16:52 ` Bert Karwatzki
2026-02-17 19:10 ` Bert Karwatzki
2026-02-18 7:30 ` Sebastian Andrzej Siewior
2026-02-18 12:50 ` Bert Karwatzki
2026-02-26 17:29 ` Sebastian Andrzej Siewior
2026-03-18 10:30 ` Daniel Vacek
2026-03-18 11:18 ` Sebastian Andrzej Siewior
2026-03-18 14:43 ` Daniel Vacek
2026-03-18 14:51 ` Sebastian Andrzej Siewior
2026-03-18 14:58 ` Daniel Vacek
2026-04-01 16:55 ` Daniel Vacek
2026-04-02 7:03 ` Sebastian Andrzej Siewior
2026-04-02 7:50 ` Daniel Vacek
2026-04-02 8:31 ` Sebastian Andrzej Siewior
2026-04-02 9:21 ` Daniel Vacek
2026-04-02 13:46 ` Sebastian Andrzej Siewior
2026-04-02 13:58 ` Daniel Vacek
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