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Date: Wed, 12 Dec 2018 01:48:42 -0500
From: Sasha Levin <sashal@...nel.org>
To: Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
Cc: Daniel Wang <wonderfly@...gle.com>, Petr Mladek <pmladek@...e.com>,
Steven Rostedt <rostedt@...dmis.org>, stable@...r.kernel.org,
Alexander.Levin@...rosoft.com,
Andrew Morton <akpm@...ux-foundation.org>,
byungchul.park@....com, dave.hansen@...el.com, hannes@...xchg.org,
jack@...e.cz, linux-kernel@...r.kernel.org, linux-mm@...ck.org,
Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
Mel Gorman <mgorman@...e.de>, mhocko@...nel.org, pavel@....cz,
penguin-kernel@...ove.sakura.ne.jp,
Peter Zijlstra <peterz@...radead.org>, tj@...nel.org,
Linus Torvalds <torvalds@...ux-foundation.org>, vbabka@...e.cz,
Cong Wang <xiyou.wangcong@...il.com>,
Peter Feiner <pfeiner@...gle.com>
Subject: Re: 4.14 backport request for dbdda842fe96f: "printk: Add console
owner and waiter logic to load balance console writes"
On Wed, Dec 12, 2018 at 03:28:41PM +0900, Sergey Senozhatsky wrote:
>On (12/11/18 22:08), Daniel Wang wrote:
>>
>> I've been meaning to try it but kept getting distracted by other
>> things. I'll try to find some time for it this week or next. Right now
>> my intent is to get Steven's patch into 4.14 stable as it evidently
>> fixed the particular issue I was seeing, and as Steven said it has
>> been in upstream since 4.16 so it's not like backporting it will raise
>> any red flags. I will start another thread on -stable for it.
>
>OK.
>
>> > I guess we still don't have a really clear understanding of what exactly
>> is going in your system
>>
>> I would also like to get to the bottom of it. Unfortunately I haven't
>> got the expertise in this area nor the time to do it yet. Hence the
>> intent to take a step back and backport Steven's patch to fix the
>> issue that has resurfaced in our production recently.
>
>No problem.
>I just meant that -stable people can be a bit "unconvinced".
The -stable people tried adding this patch back in April, but ended up
getting complaints up the wazoo (https://lkml.org/lkml/2018/4/9/154)
about how this is not -stable material.
So yes, testing/acks welcome :)
--
Thanks,
Sasha
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