================================================================================
Kaisa HDMI stability probe — report: ./_logs/kaisa-hdmi-stability-probe_20260409_212905.log

================================================================================
$ date
2026年 04月 09日 星期四 21:29:05 CST
$ uname -a
Linux jack-Kaisa 6.17.0-20-generic #20~24.04.1-Ubuntu SMP PREEMPT_DYNAMIC Thu Mar 19 01:28:37 UTC 2 x86_64 x86_64 x86_64 GNU/Linux
$ id
uid=1000(jack) gid=1000(jack) 组=1000(jack),4(adm),24(cdrom),27(sudo),30(dip),46(plugdev),100(users),114(lpadmin)


[NOTE] duration_s=600 interval_s=1 pcms=2,3 audio_file=/usr/share/sounds/alsa/Front_Center.wav

[NOTE] Tip: run right after reboot, before any manual audio tweaks.

================================================================================
Baseline: ALSA + Jack/ELD + sinks

================================================================================
$ aplay -l
**** PLAYBACK 硬體裝置清單 ****
card 0: sofrt5682 [sof-rt5682], device 0: Port1 (*) []
  子设备: 1/1
  子设备 #0: subdevice #0
card 0: sofrt5682 [sof-rt5682], device 2: HDMI1 (*) []
  子设备: 1/1
  子设备 #0: subdevice #0
card 0: sofrt5682 [sof-rt5682], device 3: HDMI2 (*) []
  子设备: 1/1
  子设备 #0: subdevice #0
card 0: sofrt5682 [sof-rt5682], device 4: HDMI3 (*) []
  子设备: 1/1
  子设备 #0: subdevice #0

$ aplay -l (subdevices summary)
    子设备: 1/1
    子设备: 1/1
    子设备: 1/1
    子设备: 1/1

================================================================================
Jack/ELD (best-effort numid dump)

================================================================================

$ amixer -c0 cget numid=10
numid=10,iface=CARD,name='HDMI/DP,pcm=2 Jack'
  ; type=BOOLEAN,access=r-------,values=1
  : values=on

$ amixer -c0 cget numid=16
numid=16,iface=CARD,name='HDMI/DP,pcm=3 Jack'
  ; type=BOOLEAN,access=r-------,values=1
  : values=on

$ amixer -c0 cget numid=22
numid=22,iface=CARD,name='HDMI/DP,pcm=4 Jack'
  ; type=BOOLEAN,access=r-------,values=1
  : values=off

$ amixer -c0 cget numid=15
numid=15,iface=PCM,name='ELD',device=2
  ; type=BYTES,access=r--v----,values=36
  : values=0x10,0x00,0x08,0x00,0x6a,0x14,0x00,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,0x69,0xa7,0x27,0x41,0x53,0x55,0x53,0x20,0x4d,0x47,0x32,0x37,0x39,0x09,0x17,0x07,0x00,0x00,0x00

$ amixer -c0 cget numid=21
numid=21,iface=PCM,name='ELD',device=3
  ; type=BYTES,access=r--v----,values=36
  : values=0x10,0x00,0x08,0x00,0x6a,0x14,0x00,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,0x69,0xa7,0x27,0x41,0x53,0x55,0x53,0x20,0x4d,0x47,0x32,0x37,0x39,0x09,0x17,0x07,0x00,0x00,0x00

$ amixer -c0 cget numid=27
numid=27,iface=PCM,name='ELD',device=4
  ; type=BYTES,access=r--v----,values=0
  : values=

================================================================================
PipeWire sinks

================================================================================
$ pactl info
服务器字串：/run/user/1000/pulse/native
程序库协议版本：35
服务器协议版本：35
是否本地服务器：是
客户端索引：83
区块大小: 65472
用户名：jack
主机名：jack-Kaisa
服务器名：PulseAudio (on PipeWire 1.0.5)
服务器版本：15.0.0
默认采样规格：float32le 2ch 48000Hz
默认声道映射：front-left,front-right
默认音频入口：alsa_output.pci-0000_00_1f.3-platform-cml_rt5682_def.HiFi__hw_sofrt5682_0__sink
默认信源： alsa_output.pci-0000_00_1f.3-platform-cml_rt5682_def.HiFi__hw_sofrt5682_0__sink.monitor
Cookie：7d8c:b1c8
$ pactl list short sinks
47	alsa_output.pci-0000_00_1f.3-platform-cml_rt5682_def.HiFi__hw_sofrt5682_4__sink	PipeWire	s32le 2ch 48000Hz	SUSPENDED
48	alsa_output.pci-0000_00_1f.3-platform-cml_rt5682_def.HiFi__hw_sofrt5682_3__sink	PipeWire	s32le 2ch 48000Hz	SUSPENDED
49	alsa_output.pci-0000_00_1f.3-platform-cml_rt5682_def.HiFi__hw_sofrt5682_2__sink	PipeWire	s32le 2ch 48000Hz	SUSPENDED
50	alsa_output.pci-0000_00_1f.3-platform-cml_rt5682_def.HiFi__hw_sofrt5682_0__sink	PipeWire	s24-32le 2ch 48000Hz	SUSPENDED

[NOTE] Kernel monotonic cursor (initial): [  139.105769]

================================================================================
Loop

================================================================================


================================================================================
[ITER 1] time=2026年 04月 09日 星期四 21:29:05 CST default_sink=

$ pactl set-default-sink alsa_output.pci-0000_00_1f.3-platform-cml_rt5682_def.HiFi__hw_sofrt5682_2__sink
$ pw-play /usr/share/sounds/alsa/Front_Center.wav