śr., 20 sty 2021 o 23:28 Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx> napisał(a): > >> Linux 5.10 fails to boot on my IceLake laptop, where 5.9 worked fine. > >> I'm not sure whether it's a bug in ACPI or Soundwire subsystem, so I'm > >> sending this to both > >> lists. The W taint flag is because of an unrelated nouveau failure (It > >> was busted on 5.9, and is > >> still on 5.10). Full kernel log down below. > >> It's from a distro kernel, but I can build my own kernel with patches if needed. > > > > Please try to add a check for handle against NULL to > > snd_intel_dsp_check_soundwire() after > > > > handle = ACPI_HANDLE(&pci->dev); > > > > and see if this makes any difference. > > > > This should check handle against NULL anyway, even if it didn't crash later on. I'll do that later. > > Is there a way you can share the DSDT? I uploaded it here: https://people.freedesktop.org/~mslusarz/tmp/dsdt.dat > > The only thing we do in that sdw_intel_acpi_scan() function is check for > an _ADR and read two _DSD properties. I think it's been 2 years since we > wrote it and never had an issue, never say never I guess... > > If you want to bypass this problem for the time being, you can add a > kernel option in /etc/modprobe.d/alsa-base.conf > > options snd-intel-dspcfg dsp_driver=1 > > that will force the use of the HDaudio legacy driver and bypass the > driver autodetection. Thanks.
