linux-kernel - v5.17.0-rc3: Regression bisecting failing suspend to disk: ALSA: hda: realtek: Fix race at concurrent COEF updates

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Date:   Mon, 14 Feb 2022 13:28:38 +0100
From:   Julian Wollrath <jwollrath@....de>
To:     linux-kernel@...r.kernel.org
Cc:     Takashi Iwai <tiwai@...e.de>
Subject: v5.17.0-rc3: Regression bisecting failing suspend to disk: ALSA:
 hda: realtek: Fix race at concurrent COEF updates

Dear Takashi Iwai,

since v5.17.0-rc3 my system (HP Elitebook 845 G7) fails to suspend to
disk and instead just hangs. Rebooting via the magic sysrq keys is
still possible though. I bisected the regression to commit
b837a9f5ab3bdfab9233c9f98a6bef717673a3e5 (ALSA: hda: realtek: Fix race
at concurrent COEF updates). Reverting that commit removes the problem.
I you need more information, I am happy to provide it.

Best regards,
Julian Wollrath

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