Re: [PATCH] panic: release stale console lock to always get the logbuf printed out

From: Vitaly Kuznetsov
Date: Fri Oct 09 2015 - 08:44:49 EST


Vitaly Kuznetsov <vkuznets@xxxxxxxxxx> writes:

> Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> writes:
>
>> On Thu, 08 Oct 2015 12:03:25 +0200 Vitaly Kuznetsov <vkuznets@xxxxxxxxxx> wrote:
>>
>>> > If we picked up patch "kernel: Avoid softlockups in
>>> > stop_machine() during heavy printing" from my series (it's completely
>>> > independent, I've attached the latest version), the result would look less
>>> > hacky to me (attached). Thoughts?
>>>
>>> Haven't tested it but should also work...
>>
>> Well, I expect we'll be merging Jan's lockup-avoidance code fairly
>> soon. There's no point in solving the same problem twice.
>>
>> Sp please, do take a closer look at the proposed patches and if
>> possible, runtime test them?
>
> Sure, I'll take a look.

Jan,

I've just tested patches you suggested and it seems they also solve the
issue I observe. Feel free to add:

Tested-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>

Thanks!

--
Vitaly
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