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Date: Sun, 21 Apr 2024 07:00:26 +0800
From: Wang Yugui <wangyugui@e16-tech.com>
To: Shay Drori <shayd@nvidia.com>
Subject: Re: Linux 6.6.28
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
 <linux-kernel@vger.kernel.org>,
 <akpm@linux-foundation.org>,
 <torvalds@linux-foundation.org>,
 <stable@vger.kernel.org>,
 <lwn@lwn.net>,
 <jslaby@suse.cz>
In-Reply-To: <220e55df-a0a2-4272-b94f-c7c4c6fbf2b7@nvidia.com>
References: <20240420135914.2AD9.409509F4@e16-tech.com> <220e55df-a0a2-4272-b94f-c7c4c6fbf2b7@nvidia.com>
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Hi,

> 
> 
> On 20/04/2024 8:59, Wang Yugui wrote:
> > External email: Use caution opening links or attachments
> >
> >
> > Hi,
> >
> >> I'm announcing the release of the 6.6.28 kernel.
> >>
> >> All users of the 6.6 kernel series must upgrade.
> >>
> >> The updated 6.6.y git tree can be found at:
> >>        git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-6.6.y
> >> and can be browsed at the normal kernel.org git web browser:
> >>        https://git.kernel.org/?p=linux/kernel/git/stable/linux-stable.git;a=summary
> >
> > Linux 6.6.28 failed to boot with the following panic *1 on a server with
> > mellonax CX-6 VPI NIC, but 6.6.27/6.1.87 boot well.
> >
> > After reverting 'net/mlx5: Restore mistakenly dropped parts in register devlink
> > flow', linux boot well.
> > 
> there is a similar discussion in net-dev ML[1].
> In short, it seems this patch is missing from stable, which is prerequisite for the bad patch:
> 0553e753ea9e
> "net/mlx5: E-switch, store eswitch pointer before registering devlink_param".
> 
> Wang, can you test it out please?

After apply "net/mlx5: E-switch, store eswitch pointer before registering devlink_param"
to 6.6.28, linux boot well here.

and  "net/mlx5: Restore mistakenly dropped parts in register devlink flow" is
NOT applied here.

Thanks a lot.

Best Regards
Wang Yugui (wangyugui@e16-tech.com)
2024/04/21