On Mon, Dec 18, 2017 at 08:54:15PM -0800, vcap...@pengaru.com wrote: > On Mon, Dec 18, 2017 at 06:06:58PM -0800, vcap...@pengaru.com wrote: > > On Thu, Dec 14, 2017 at 10:57:30AM +0100, Pavel Machek wrote: > > > On Tue 2017-11-28 08:00:20, Takashi Iwai wrote: > > > > On Mon, 27 Nov 2017 19:44:12 +0100, > > > > Pavel Machek wrote: > > > > > > > > > > On Mon 2017-11-27 19:35:32, Takashi Iwai wrote: > > > > > > On Mon, 27 Nov 2017 19:31:51 +0100, > > > > > > Pavel Machek wrote: > > > > > > > > > > > > > > On Mon 2017-11-27 17:33:28, Takashi Iwai wrote: > > > > > > > > On Mon, 27 Nov 2017 17:30:11 +0100, > > > > > > > > Pavel Machek wrote: > > > > > > > > > > > > > > > > > > On Wed 2017-11-15 12:11:20, Pavel Machek wrote: > > > > > > > > > > On Wed 2017-11-15 11:43:34, Takashi Iwai wrote: > > > > > > > > > > > On Wed, 15 Nov 2017 11:05:33 +0100, > > > > > > > > > > > Pavel Machek wrote: > > > > > > > > > > > > > > > > > > > > > > > > Hi! > > > > > > > > > > > > > > > > > > > > > > > > There are some sound problems in 4.14.0-next-20171114: > > > > > > > > > > > > > > > > > > > > > > > > mplayer shows pictures from video, but does not play. > > > > > > > > > > > > > > > > > > > > > > > > vlc plays video, but w/o sound > > > > > > > > > > > > > > > > > > > > > > > > mpg123 works. > > > > > > > > > > > > > > > > > > > > > > > > Hw is thinkpad X60. Any ideas? > > > > > > > > > > > > > > > > > > > > > > Nothing comes to my mind for now, sorry. > > > > > > > > > > > > > > > > > > > > > > Is it a regression, right? There are only few changes in > > > > > > > > > > > both > > > > > > > > > > > HD-audio and ALSA core sides, and they should be fairly > > > > > > > > > > > harmless. > > > > > > > > > > > > > > > > > > > > Regression: yes. Reproducible: not sure. It went away after > > > > > > > > > > a reboot > > > > > > > > > > :-(. > > > > > > > > > > > > > > > > > > Reappeared, 4.15-rc1. > > > > > > > > > > > > > > > > > > [ 40.473822] PM: suspend exit > > > > > > > > > [ 40.526027] sdhci-pci 0000:15:00.2: Will use DMA mode even > > > > > > > > > though > > > > > > > > > HW doesn't fully claim to support it. > > > > > > > > > [ 40.569765] e1000e: eth1 NIC Link is Down > > > > > > > > > [ 40.578257] sdhci-pci 0000:15:00.2: Will use DMA mode even > > > > > > > > > though > > > > > > > > > HW doesn't fully claim to support it. > > > > > > > > > [ 40.648476] sdhci-pci 0000:15:00.2: Will use DMA mode even > > > > > > > > > though > > > > > > > > > HW doesn't fully claim to support it. > > > > > > > > > [ 40.737339] sdhci-pci 0000:15:00.2: Will use DMA mode even > > > > > > > > > though > > > > > > > > > HW doesn't fully claim to support it. > > > > > > > > > [ 43.018955] wlan0: authenticate with 00:00:00:00:00:01 > > > > > > > > > [ 43.019072] wlan0: send auth to 00:00:00:00:00:01 (try 1/3) > > > > > > > > > [ 43.023955] wlan0: authenticated > > > > > > > > > [ 43.031721] wlan0: associate with 00:00:00:00:00:01 (try > > > > > > > > > 1/3) > > > > > > > > > [ 43.039733] wlan0: RX AssocResp from 00:00:00:00:00:01 > > > > > > > > > (capab=0x401 > > > > > > > > > status=0 aid=1) > > > > > > > > > [ 43.042712] wlan0: associated > > > > > > > > > [ 480.662456] snd_hda_intel 0000:00:1b.0: IRQ timing > > > > > > > > > workaround is > > > > > > > > > activated for card #0. Suggest a bigger bdl_pos_adj. > > > > > > > > > > > > > > > > This message is often superfluous, so don't take this too > > > > > > > > seriously. > > > > > > > > > > > > > > > > > > > > > > > > > pavel@amd:~$ > > > > > > > > > > > > > > > > > > Again, mplayer has problems, mpg123 works. This time mplayer > > > > > > > > > started > > > > > > > > > playing video (w/o sound) after long delay. > > > > > > > > > > > > > > > > > > Uh. huh. And now problems appeared in mpg123, too, and then > > > > > > > > > went away > > > > > > > > > in mpg123 _and_ mplayer. Interesting. > > > > > > > > > > > > > > > > > > I suspect some pulseaudio fun. chromium always has sound > > > > > > > > > problems, > > > > > > > > > then I restart chromium and everything is ok. But something > > > > > > > > > changed in > > > > > > > > > -next and 4.15-rc1, because mplayer did not have problems > > > > > > > > > before. > > > > > > > > > > > > > > > > Hm, there is no code change at all in sound/*. If it happens > > > > > > > > only in > > > > > > > > linux-next, it must be something else... > > > > > > > > > > > > > > It happened first in -next, now it is in 4.15-rc1. > > > > > > > > > > > > So you meant a possible regression between 4.14 and 4.15-rc1? > > > > > > > > > > Yes. > > > > > > > > Hm, as far as I see, the only significant difference is the commit > > > > 20e3f985bb875fea4f86b04eba4b6cc29bfd6b71 > > > > ALSA: pcm: update tstamp only if audio_tstamp changed > > > > > > > > Another change d6c0615f510bc1ee26cfb2b9a3343ac99b9c46fb > > > > ALSA: hda - Fix yet remaining issue with vmaster 0dB > > > > initialization > > > > is basically for fixing a previous wrong fix, and it should influence > > > > on all use cases, not only for a specific application. > > > > > > Happened again, this time on -rc3. It is more than "audio is silent" > > > -- apps behave strangely. Let me test with > > > 20e3f985bb875fea4f86b04eba4b6cc29bfd6b71 reverted. > > > > > > Hmm. This is 4th regression this release cycle :-(. > > > > > > Today I jumped to 4.15-rc4 from 4.14-rc6, and have noticed some oddities > > with audio in youtube under firefox which I never experienced before. > > > > If I pause the playback, the audio seems to infinitely loop on whatever > > is in the dma buffer. Resuming playback works but now the expected > > audio has repeated pops and clicks mixed in with it. > > > > Even closing firefox doesn't seem to stop the looping buffer... > > > > Machine is an x61s 1.8ghz thinkpad, x86_64, debian stretch, .config > > attached. > > > > This for me is a 4.15 blocker, and I presume it's related to Pavel's > > experience as the x60 isn't much different AFAIK. > > > > Just reproduced this, it seems to be trivial to repro and doesn't > actually require pausing or anything. Simply watching a youtube video > causes the audio to get messed up after a short period. > > I monitored `journalctl --dmesg --follow` while reproducing this and saw > this line appear at the very moment the audio got messed up: > > kernel: Monitor-Mwait will be used to enter C-3 state > > Prior to that, everything seemed to be owrking fine. >
After a lengthy bisect, I ended up with this being the bad commit: > Regards, > Vito Caputo Have not tested a revert yet, but it's reliably reproducible. I mess up the audio by pulling the AC power while listening to music, causing things to run from battery. Addressed to tglx since it's his commit... Regards, Vito Caputo
