linux-kernel - Re: [PATCH 5.8 000/177] 5.8.10-rc1 review

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Date:   Wed, 16 Sep 2020 08:26:48 -0600
From:   Shuah Khan <skhan@...uxfoundation.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Prateek Sood <prsood@...eaurora.org>,
        Takashi Iwai <tiwai@...e.de>
Cc:     linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
        akpm@...ux-foundation.org, linux@...ck-us.net, shuah@...nel.org,
        patches@...nelci.org, ben.hutchings@...ethink.co.uk,
        lkft-triage@...ts.linaro.org, pavel@...x.de,
        stable@...r.kernel.org, Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: [PATCH 5.8 000/177] 5.8.10-rc1 review

On 9/16/20 12:29 AM, Greg Kroah-Hartman wrote:
> On Tue, Sep 15, 2020 at 08:54:24PM -0600, Shuah Khan wrote:
>> On 9/15/20 3:06 PM, Shuah Khan wrote:
>>> On 9/15/20 8:11 AM, Greg Kroah-Hartman wrote:
>>>> This is the start of the stable review cycle for the 5.8.10 release.
>>>> There are 177 patches in this series, all will be posted as a response
>>>> to this one.  If anyone has any issues with these being applied, please
>>>> let me know.
>>>>
>>>> Responses should be made by Thu, 17 Sep 2020 14:06:12 +0000.
>>>> Anything received after that time might be too late.
>>>>
>>>> The whole patch series can be found in one patch at:
>>>>      https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.8.10-rc1.gz
>>>>
>>>> or in the git tree and branch at:
>>>>      git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
>>>> linux-5.8.y
>>>> and the diffstat can be found below.
>>>>
>>>> thanks,
>>>>
>>>> greg k-h
>>>>
>>>
>>> Compiled and booted fine. wifi died:
>>>
>>> ath10k_pci 0000:02:00.0: could not init core (-110)
>>> ath10k_pci 0000:02:00.0: could not probe fw (-110)
>>>
>>> This is regression from 5.8.9 and 5.9-rc5 works just fine.
>>>
>>> I will try to bisect later this evening to see if I can isolate the
>>> commit.
>>>
>>
>> The following commit is what caused ath10k_pci driver problem
>> that killed wifi.
>>
>> Prateek Sood <prsood@...eaurora.org>
>>      firmware_loader: fix memory leak for paged buffer
>>
>> https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?h=linux-5.8.y&id=ec0a59266c9c9f46037efd3dcc0323973e102271
> 
> Ugh, that's not good, is this also a problem in 5.9-rc5 as well?  For
> reference, this is commit 4965b8cd1bc1 ("firmware_loader: fix memory
> leak for paged buffer") in Linus's tree.
> 

I am not seeing this on Linux 5.9-rc5 for sure.

> And it should be showing up in 5.4.y at the moment too, as this patch is
> in that tree right now...
> 

I don't see this patch in  4.19.146-rc1

Linus's tree works for with this patch in. I compared the two files
for differences in commit between Linus's tree and 5.8.10-rc1

Couldn't find anything obvious.

thanks,
-- Shuah