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Sender: Guenter Roeck <groeck7@gmail.com>
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Date:   Fri, 22 Sep 2023 07:52:50 -0700
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Subject: Re: [PATCH 6.1 000/139] 6.1.55-rc1 review
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To:     Jon Hunter <jonathanh@nvidia.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org
Cc:     patches@lists.linux.dev, linux-kernel@vger.kernel.org,
        torvalds@linux-foundation.org, akpm@linux-foundation.org,
        shuah@kernel.org, patches@kernelci.org,
        lkft-triage@lists.linaro.org, pavel@denx.de, f.fainelli@gmail.com,
        sudipm.mukherjee@gmail.com, srw@sladewatkins.net, rwarsow@gmx.de,
        conor@kernel.org,
        "linux-tegra@vger.kernel.org" <linux-tegra@vger.kernel.org>,
        robdclark@chromium.org
References: <20230920112835.549467415@linuxfoundation.org>
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 <7e0355bd-64cd-f6c2-b720-e4643579078c@nvidia.com>
From:   Guenter Roeck <linux@roeck-us.net>
In-Reply-To: <7e0355bd-64cd-f6c2-b720-e4643579078c@nvidia.com>
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On 9/22/23 05:31, Jon Hunter wrote:
> 
> On 22/09/2023 10:45, Jon Hunter wrote:
>> Hi Greg,
>>
>> On 20/09/2023 12:28, Greg Kroah-Hartman wrote:
>>> This is the start of the stable review cycle for the 6.1.55 release.
>>> There are 139 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 Fri, 22 Sep 2023 11:28:09 +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/v6.x/stable-review/patch-6.1.55-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-6.1.y
>>> and the diffstat can be found below.
>>>
>>> thanks,
>>>
>>> greg k-h
>>
>> I am seeing some suspend failures with this update ...
>>
>> Test results for stable-v6.1:
>>      11 builds:    11 pass, 0 fail
>>      28 boots:    28 pass, 0 fail
>>      130 tests:    124 pass, 6 fail
>>
>> Linux version:    6.1.55-rc1-gd5ace918366e
>> Boards tested:    tegra124-jetson-tk1, tegra186-p2771-0000,
>>                  tegra194-p2972-0000, tegra194-p3509-0000+p3668-0000,
>>                  tegra20-ventana, tegra210-p2371-2180,
>>                  tegra210-p3450-0000, tegra30-cardhu-a04
>>
>> Test failures:    tegra124-jetson-tk1: pm-system-suspend.sh
>>                  tegra186-p2771-0000: pm-system-suspend.sh
>>                  tegra20-ventana: pm-system-suspend.sh
>>                  tegra30-cardhu-a04: pm-system-suspend.sh
>>
>> Bisect is underway.
> 
> 
> Bisect for this issue is also pointing to ...
> 
> Rob Clark <robdclark@chromium.org>
>       interconnect: Fix locking for runpm vs reclaim
> 
> Looks like all the Tegra issues are related to this.
> 

This isn't surprising because upstream commit 136191703038 ("interconnect: Teach
lockdep about icc_bw_lock order") silently fixes it without Fixes: tag. If you
look into that patch you'll see that the the missing call to mutex_unlock() is
added to icc_sync_state().

Guenter