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Message-ID: <6b4aefb2-01a9-1489-8669-1af20e88f669@intel.com>
Date:   Tue, 18 Oct 2022 18:36:36 +0200
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Subject: Re: [REGRESSION v6.1-rc1] rtc: cmos: rtcwake broken on NUC8i7HVK
To:     Kalle Valo <kvalo@kernel.org>,
        Thorsten Leemhuis <regressions@leemhuis.info>
CC:     Alexandre Belloni <alexandre.belloni@bootlin.com>,
        Mel Gorman <mgorman@techsingularity.net>,
        Bjorn Helgaas <bhelgaas@google.com>,
        <linux-rtc@vger.kernel.org>, <regressions@lists.linux.dev>,
        <linux-kernel@vger.kernel.org>
References: <87edv6mlow.fsf@kernel.org>
 <b2be77b0-bafb-0519-33cb-359d83ded4d8@leemhuis.info>
 <87a65tmwuj.fsf@kernel.org>
Content-Language: en-US
From:   "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
Organization: Intel Technology Poland Sp. z o. o., KRS 101882, ul. Slowackiego
 173, 80-298 Gdansk
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On 10/18/2022 9:09 AM, Kalle Valo wrote:
> Thorsten Leemhuis <regressions@leemhuis.info> writes:
>
>> On 17.10.22 18:58, Kalle Valo wrote:
>>> I upgraded my NUC8i7HVK test box to v6.1-rc1 and noticed that my suspend
>>> tests with ath11k were broken, the box never woke up from suspend
>>> automatically and I had to manually push the power button to trigger
>>> resume. This is the command I used:
>>>
>>> sudo rtcwake -m mem -s 30
>>>
>>> v6.0 works without problems and a bisect found this commit:
>>>
>>> commit 4919d3eb2ec0ee364f7e3cf2d99646c1b224fae8
>>> Author:     Rafael J. Wysocki <rafael.j.wysocki@intel.com>
>>> AuthorDate: Wed Oct 12 20:07:01 2022 +0200
>>> Commit:     Alexandre Belloni <alexandre.belloni@bootlin.com>
>>> CommitDate: Thu Oct 13 23:27:52 2022 +0200
>>>
>>>      rtc: cmos: Fix event handler registration ordering issue
>> FWIW, Todd also reported this yesterday:
>> https://lore.kernel.org/all/967cfe4e2dba242352ccd1cd00bdbcfb48bdd697.camel@linux.intel.com/
>> https://bugzilla.kernel.org/show_bug.cgi?id=216600
>>
>> And Zhang Rui provided a patch in bugzilla that should fix this.
> Thanks, this is good info. Strangely enough Zhang's workaround in [1]
> did not fix the issue for me, rtcwake is still broken. Unfortunately no
> time right now to investigate further.
>
> [1] https://bugzilla.kernel.org/show_bug.cgi?id=216600#c3
>
Please try https://lore.kernel.org/linux-acpi/5887691.lOV4Wx5bFT@kreacher/