linux-kernel - Re: Observing RCU stalls in kernel 5.4/5.10/5.15/6.1 stable trees

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Message-ID: <20230614092045.tNY8USjq@linutronix.de>
Date:   Wed, 14 Jun 2023 11:20:45 +0200
From:   Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:     "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>
Cc:     "Bhatnagar, Rishabh" <risbhat@...zon.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "sashal@...nel.org" <sashal@...nel.org>, luizcap@...zon.com,
        abuehaze@...zon.com,
        "stable@...r.kernel.org" <stable@...r.kernel.org>
Subject: Re: Observing RCU stalls in kernel 5.4/5.10/5.15/6.1 stable trees

On 2023-06-14 11:14:49 [+0200], gregkh@...uxfoundation.org wrote:
> Oops, missed this.
> 
> Yes, there might be, can you do 'git bisect' and track down the patch
> that fixed this?

There was a report of a lockup during boot in VMs yesterday. If I
remember correctly this still exists and might be related to this
report. I'm going to have a look.

> thanks,
> 
> greg k-h

Sebastian