Comment 75 for bug 1428121

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In , patrakov (patrakov-linux-kernel-bugs) wrote :

As I promised, I have replaced the motherboard to MSI temporarily.

Results of the test: the MSI motherboard also needs both quirks (intel_iommu=on,igfx_off snd_hda_intel.align_buffer_size=1). So, as far as I am able to generalize from my data, the quirk needs to go on any 8086:0c0c device, regardless of any subsystem vendor/device IDs.