AppleALC Kernel Panic after Catalina update

https://www.tonymacx86.com/threads/help-applealc-kernel-panic-after-catalina-update.284654/page-8


If you don't need HDMI audio output, yes, you can use the official 1.4.3 release + the following setup(only example). You need to change both Pci(0x1b,0x0) and alc-layout-id 1 to something for your motherboard.

    <key>Devices</key>
    <dict>
        <key>Audio</key>
        <dict>
            <key>Inject</key>
            <string>No</string>
        </dict>
        <key>Properties</key>
        <dict>
            <key>PciRoot(0x0)/Pci(0x1F,0x3)</key>
            <dict>
                <key>alc-layout-id</key>
                <integer>2</integer>
                <key>No-hda-gfx</key>
                <data>AAAAAAAAAAA=</data>
            </dict>
        </dict>
    </dict>