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

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Message-ID: <4c4178a1-1050-ced4-e6fb-f95c3bdefc98@amazon.com>
Date:   Wed, 14 Jun 2023 09:10:08 -0400
From:   Luiz Capitulino <luizcap@...zon.com>
To:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        "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>, <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 05:20, Sebastian Andrzej Siewior wrote:
  
> 
> 
> 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, Sebastian. Do you have a link for the discussion?

- Luiz