linux-kernel - Re: [PATCH 6.1 0000/1146] 6.1.2-rc1 review

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Message-ID: <Y66waMEfCRjMHGMf@kroah.com>
Date:   Fri, 30 Dec 2022 10:33:28 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Walt Holman <walt@...mansrus.com>
Cc:     linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 6.1 0000/1146] 6.1.2-rc1 review

On Thu, Dec 29, 2022 at 09:54:41AM -0600, Walt Holman wrote:
> ----- On Dec 29, 2022, at 1:13 AM, Greg KH gregkh@...uxfoundation.org wrote:
> 
> > On Wed, Dec 28, 2022 at 04:29:39PM -0600, Walt Holman wrote:
> >> > This is the start of the stable review cycle for the 6.1.2 release.
> >> > There are 1146 patches in this series, all will be posted as a response
> >> > to this one.  If anyone has any issues with these being applied, please
> >> > let me know.
> >> > 
> >> > Responses should be made by Fri, 30 Dec 2022 14:41:29 +0000.
> >> > Anything received after that time might be too late.
> >> > 
> >> > The whole patch series can be found in one patch at:
> >> > [ https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.1.2-rc1.gz
> >> > | https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.1.2-rc1.gz
> >> > ] > or in the git tree and branch at:
> >> > 	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
> >> > 	linux-6.1.y
> >> > and the diffstat can be found below.
> >> > 
> >> > thanks,
> >> > 
> >> > greg k-h
> >> > 
> >> > -------------
> >> 
> >> Hello,
> >> 
> >> I'm getting a NULL Pointer Dereference when shutting down or rebooting. It
> >> happens just as it tries to shut down the swap device ( /dev/dm-3 ). This
> >> happens late in the shutdown process and nothing gets saved in the logs.
> >> However, I've attached a photo of my screen showing the Oops and stack trace.
> >> Let me know if there's anything you'd like me to try.
> > 
> > Does this happen with 6.1.1 also?
> > 
> > Can you use 'git bisect' to track down the offending change?
> > 
> > thanks,
> > 
> > greg k-h
> 
> Bisecting the kernel results in the following:
> 
> 273d29fa4beb3954c970b6377a2aa6ee442b1430 is the first bad commit
> commit 273d29fa4beb3954c970b6377a2aa6ee442b1430
> Author: Christoph Hellwig <hch@....de>
> Date:   Tue Nov 1 16:00:47 2022 +0100
> 
>     blk-mq: move the srcu_struct used for quiescing to the tagset

Thanks, I've now dropped this from 6.0 and 6.1 queues.

greg k-h