linux-kernel - Re: md raid6 oops in 6.6.4 stable

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Message-ID: <f6fc246f-4f57-4340-a967-396047e2924d@gmail.com>
Date:   Fri, 8 Dec 2023 09:05:33 +0700
From:   Bagas Sanjaya <bagasdotme@...il.com>
To:     Thorsten Leemhuis <regressions@...mhuis.info>,
        Genes Lists <lists@...ience.com>, snitzer@...nel.org,
        song@...nel.org, yukuai3@...wei.com, axboe@...nel.dk,
        mpatocka@...hat.com, heinzm@...hat.com,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux RAID <linux-raid@...r.kernel.org>,
        Linux Regressions <regressions@...ts.linux.dev>
Cc:     Bhanu Victor DiCara <00bvd0+linux@...il.com>,
        Xiao Ni <xni@...hat.com>,
        Guoqing Jiang <guoqing.jiang@...ux.dev>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: md raid6 oops in 6.6.4 stable

On 12/7/23 20:58, Thorsten Leemhuis wrote:
> On 07.12.23 14:30, Bagas Sanjaya wrote:
>> On Thu, Dec 07, 2023 at 08:10:04AM -0500, Genes Lists wrote:
>>> I have not had chance to git bisect this but since it happened in stable I
>>> thought it was important to share sooner than later.
>>>
>>> One possibly relevant commit between 6.6.3 and 6.6.4 could be:
>>>
>>>   commit 2c975b0b8b11f1ffb1ed538609e2c89d8abf800e
>>>   Author: Song Liu <song@...nel.org>
>>>   Date:   Fri Nov 17 15:56:30 2023 -0800
>>>
>>>     md: fix bi_status reporting in md_end_clone_io
>>>
>>> log attached shows page_fault_oops.
>>> Machine was up for 3 days before crash happened.
>>
>> Can you confirm that culprit by bisection?
> 
> Bagas, I know you are trying to help, but sorry, I'd say this is not
> helpful at all -- any maybe even harmful.
> 
> From the quoted texts it's pretty clear that the reporter knows that a
> bisection would be helpful, but currently is unable to perform one --
> and even states reasons for reporting it without having it bisected. So
> your message afaics doesn't bring anything new to the table; and I might
> be wrong with that, but I fear some people in a situation like this
> might even be offended by a reply like that, as it states something
> already obvious.
> 

Oops, I didn't fully understand the context. Thanks anyway.

-- 
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