Re: md raid6 oops in 6.6.4 stable

From: Bagas Sanjaya
Date: Thu Dec 07 2023 - 21:05:46 EST


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@xxxxxxxxxx>
>>> 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.

--
An old man doll... just what I always wanted! - Clara