On Wed, Mar 18, 2020 at 06:49:56PM +0800, Keyon Jie wrote: > On 3/18/20 2:30 PM, Dominik Brodowski wrote: > > Hi! > > > > While 5.5.x works fine, mainline as of ac309e7744be (v5.6-rc6+) causes me > > some sound-related trouble: after boot, the sound works fine -- but once I > > suspend and resume my broadwell-based XPS13, I need to switch to headphone > > and back to speaker to hear something. But what I hear isn't music but > > garbled output. > > > > A few dmesg snippets from v5.6-rc6-9-gac309e7744be which might be of > > interest. I've highlighted the lines differing from v.5.5.x which might be > > of special interest: > > > > ... > > snd_hda_intel 0000:00:03.0: enabling device (0000 -> 0002) > > usbcore: registered new interface driver snd-usb-audio > > snd_hda_intel 0000:00:03.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) > > input: HDA Intel HDMI HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:03.0/sound/card0/input13 > > input: HDA Intel HDMI HDMI/DP,pcm=7 as /devices/pci0000:00/0000:00:03.0/sound/card0/input14 > > input: HDA Intel HDMI HDMI/DP,pcm=8 as /devices/pci0000:00/0000:00:03.0/sound/card0/input15 > > input: HDA Intel HDMI HDMI/DP,pcm=9 as /devices/pci0000:00/0000:00:03.0/sound/card0/input16 > > input: HDA Intel HDMI HDMI/DP,pcm=10 as /devices/pci0000:00/0000:00:03.0/sound/card0/input17 > > Console: switching to colour frame buffer device 240x67 > > !!! sst-acpi INT3438:00: WARN: Device release is not defined so it is not safe to unbind this driver while in use > > i915 0000:00:02.0: fb0: i915drmfb frame buffer device > > sst-acpi INT3438:00: DesignWare DMA Controller, 8 channels > > psmouse serio1: synaptics: Unable to query device: -5 > > haswell-pcm-audio haswell-pcm-audio: Direct firmware load for intel/IntcPP01.bin failed with error -2 > > haswell-pcm-audio haswell-pcm-audio: fw image intel/IntcPP01.bin not available(-2) > > haswell-pcm-audio haswell-pcm-audio: FW loaded, mailbox readback FW info: type 01, - version: 00.00, build 77, source commit id: 876ac6906f31a43b6772b23c7c983ce9dcb18a19 > > rt286 i2c-INT343A:00: ASoC: sink widget DMIC1 overwritten > > rt286 i2c-INT343A:00: ASoC: source widget DMIC1 overwritten > > broadwell-audio broadwell-audio: snd-soc-dummy-dai <-> System Pin mapping ok > > broadwell-audio broadwell-audio: snd-soc-dummy-dai <-> Offload0 Pin mapping ok > > broadwell-audio broadwell-audio: snd-soc-dummy-dai <-> Offload1 Pin mapping ok > > broadwell-audio broadwell-audio: snd-soc-dummy-dai <-> Loopback Pin mapping ok > > broadwell-audio broadwell-audio: rt286-aif1 <-> snd-soc-dummy-dai mapping ok > > input: broadwell-rt286 Headset as /devices/pci0000:00/INT3438:00/broadwell-audio/sound/card1/input18 > > ... > > ALSA device list: > > #0: HDA Intel HDMI at 0xf7218000 irq 48 > > #1: DellInc.-XPS139343--0TM99H > > ... > > !!! haswell-pcm-audio haswell-pcm-audio: warning: stream is NULL, no stream to reset, ignore it. > > !!! haswell-pcm-audio haswell-pcm-audio: warning: stream is NULL, no stream to free, ignore it. > > > > (these last two messages already are printed a couple of time after boot, and then > > again during a suspend/resume cycle. On v.5.5.y, there are similar messages > > "no context buffer need to restore!"). Everything is built-in, no modules > > are loaded. > > > > Unfortunately, I cannot bisect this issue easily -- i915 was broken for > > quite some time on this system[*], prohibiting boot... > > > > Thanks for taking a look at this issue! > > > > Dominik > > > > > > [*] https://gitlab.freedesktop.org/drm/intel/issues/1151 > > > > Hi Dominik, > > Thanks for reporting, yes, this is Keyon(Yang Jie) here, we do have several > other Broadwell comercial platforms in the market, adding Curtis from Google > in case they may hit similar issue once upgrading to the latest kernel. Thanks! > From your description above, it looks the ucm and pulseaudio is involved, > can you help do a quick try if using aplay directly will hit the same issue? $ cat nice-music.wav | aplay -f S16_LE -r 44100 -c 2 --device="sysdefault:CARD=broadwellrt286" runs nicely until I suspend. Upon resume, I hear nothing, with a number of haswell-pcm-audio haswell-pcm-audio: warning: stream is NULL, no stream to reset, ignore it. messages appearing in dmesg. Strangely, pavucontrol then (after resume) cannot find any suitable audio device any more. Hope this helps, Dominik
