Then, in the second case, alsa-info -no-upload -output infos_good Then, in the first case, alsa-info -no-upload -output infos_bad In both cases, you have to: echo 1 > /sys/module/snd_hda_codec/parameters/dump_coefs I suceed in solving the problem by comparing the Coeff values in both cases and assign the values of the second case in a script at boot time. I also had the same problem with my ASROCK X370 Gaming K4 (ALC1220):ġst case: Booting FIRST Linux: Sound with noise/crackling.Ģnd case: Booting FIRST Windows and SECOND Linux: Sound is perfect. Hda_controller trace from the timing issue of my ALC892 My default.pa config file from pulseaudioĬodec trace for the audio output delay problem Pulseaudio log without tsched=0 when acquiring audio Kernel Bug reported when trying to access VIA register on a AMD platform

Test patch with all DCAPS enabled for 1022:1457 PCI raw commands sent by Linux to the audio codecĪlsa-info now completely ignores my PCI audio cardsĪlsa-info on MSI X370 Krait Gaming (MS-7A33)Īlsa-info on MSI B450 TOMAHAWK (with Realtek ALC892) PCI raw commands sent by Windows to the audio codec VFIO log on linux after a reboot (codec in cold state) VFIO trace of a problematic ALC892 on Windows VM Alsa-info of ASUS ROG STRIX X470-F GAMINGĪlsa-info of ASUS ROG Crosshair VI Hero Wifi (ALC1220)

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