linux-kernel - Re: [REGRESSION] 6.7.1: md: raid5 hang and unresponsive system; successfully bisected

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Date: Fri, 23 Feb 2024 11:18:02 -0800
From: junxiao.bi@...cle.com
To: Dan Moulding <dan@...m.net>
Cc: gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
        linux-raid@...r.kernel.org, regressions@...ts.linux.dev,
        song@...nel.org, stable@...r.kernel.org
Subject: Re: [REGRESSION] 6.7.1: md: raid5 hang and unresponsive system;
 successfully bisected

Thanks Dan.

Before we know how to share vmcore, can you run below cmds from crash first:

1. ps -m | grep UN

2. foreach UN bt

3. ps -m | grep md

4. bt each md process

Thanks,

Junxiao.

On 2/23/24 9:44 AM, Dan Moulding wrote:
> Hi Junxiao,
>
> Thanks for your time so far on this problem. It took some time,
> because I've never had to generate a vmcore before, but I have one now
> and it looks usable from what I've seen using crash and gdb on
> it. It's a bit large, 1.1GB. How can I share it? Also, I'm assuming
> you'll also need the vmlinux image that it came from? It's also a bit
> big, 251MB.
>
> -- Dan