From: Thomas Gleixner <tglx@kernel.org>
To: Michal Pecio <michal.pecio@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Watchdog remote CPU read timed out
Date: Sun, 25 Oct 2026 22:54:36 +0100 [thread overview]
Message-ID: <871p9dzbs3.ffs@fw13> (raw)
In-Reply-To: <20260830141503.42994806.michal.pecio@gmail.com>
On Sun, Aug 30 2026 at 14:16, Michal Pecio wrote:
> This is another warning I'm getting on recent 7.x kernels, apparently
> from new code you wrote a few months ago.
>
> Increasing WATCHDOG_DEFAULT_TIMEOUT_NS to 100us makes it go away, at
> least for a few minutes (I will try longer uptime later).
>
> With a few debug prints, I found that watchdog_wait_seq() fails every
> few seconds, usually on CPU 0 but sporadically on others too.
>
> Example output below. Is this something to worry about / fix?
Nothing to worry about. The message is mostly informal.
Thanks,
tglx
prev parent reply other threads:[~2026-10-25 21:54 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-30 12:16 Watchdog remote CPU read timed out Michal Pecio
2026-10-25 21:54 ` Thomas Gleixner [this message]
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