On Mon, 02 Jan 2023 11:43:36 +0100, Salvatore Bonaccorso wrote: > > Hi, > > [Adding as well Richard Fitzgerald and PÁLFFY Dániel to recipients] > > On Fri, Dec 30, 2022 at 09:08:57AM +0100, Thorsten Leemhuis wrote: > > Hi, this is your Linux kernel regression tracker speaking. > > > > I noticed a regression report in bugzilla.kernel.org. As many (most?) > > kernel developer don't keep an eye on it, I decided to forward it by > > mail. Quoting from https://bugzilla.kernel.org/show_bug.cgi?id=216861 : > > > > > Sergey 2022-12-29 10:07:51 UTC > > > > > > Created attachment 303497 [details] > > > pulseaudio.log > > > > > > Sudden sound disappearance was reported for some laptops, e.g. > > > > > > Acer Swift 3 SF314-59-78UR 11th Gen Intel(R) Core(TM) i7-1165G7 @ 2.80GHz > > > > > > # lspci > > > 0000:00:1f.3 Multimedia audio controller: Intel Corporation Tiger Lake-LP Smart Sound Technology Audio Controller (rev 20) > > > Subsystem: Acer Incorporated [ALI] Device 148c > > > Flags: bus master, fast devsel, latency 32, IRQ 197, IOMMU group 12 > > > Memory at 601f270000 (64-bit, non-prefetchable) [size=16K] > > > Memory at 601f000000 (64-bit, non-prefetchable) [size=1M] > > > Capabilities: [50] Power Management version 3 > > > Capabilities: [80] Vendor Specific Information: Len=14 <?> > > > Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit+ > > > Kernel driver in use: sof-audio-pci > > > > > > I am attaching the pulseaudio and dmesg logs > > > > > > This bug started reproducing after updating the kernel from 5.10.156 to 5.10.157 > > > > > > Bisection revealed the commit being reverted: > > > > > > c34db0d6b88b1da95e7ab3353e674f4f574cccee is the first bad commit > > > commit c34db0d6b88b1da95e7ab3353e674f4f574cccee > > > Author: Richard Fitzgerald <rf@xxxxxxxxxxxxxxxxxxxxx> > > > Date: Fri Nov 4 13:22:13 2022 +0000 > > > > > > ASoC: soc-pcm: Don't zero TDM masks in __soc_pcm_open() > > > > > > [ Upstream commit 39bd801d6908900e9ab0cdc2655150f95ddd4f1a ] > > > > > > The DAI tx_mask and rx_mask are set by snd_soc_dai_set_tdm_slot() > > > and used by later code that depends on the TDM settings. So > > > __soc_pcm_open() should not be obliterating those mask values. > > > > > > [...] > > > Original bug report: https://bugzilla.altlinux.org/44690 > > > > See the ticket for more details. > > > > BTW, let me use this mail to also add the report to the list of tracked > > regressions to ensure it's doesn't fall through the cracks: > > > > #regzbot introduced: c34db0d6b88b1d > > https://bugzilla.kernel.org/show_bug.cgi?id=216861 > > #regzbot title: sound: asoc: sudden sound disappearance > > #regzbot ignore-activity > > FWIW, we had as well reports in Debian after having updated the kernel > from 5.10.149 based one to 5.10.158 based one in the last point > releases, they are at least: > > https://bugs.debian.org/1027483 > https://bugs.debian.org/1027430 I got another report while the commit was backported to 5.14-based openSUSE Leap kernel, and I ended up with dropping it. So, IMO, it's safer to drop this patch from the older stable trees. As far as I see, 5.15.y and 5.10.y got this. Unless anyone gives a better fix, I'm going to submit a revert patch for those trees. thanks, Takashi
