My guess is the card doesn't support 64bit DMA, it supports something
less than that. A quick hack in sound/pci/hda/hda_intel.c to disable
64bit DMA fixes it:
- if ((gcap & AZX_GCAP_64OK) && !pci_set_dma_mask(pci, DMA_BIT_MASK(64)))
+ if (0 && (gcap & AZX_GCAP_64OK) && !pci_set_dma_mask(pci,
DMA_BIT_MASK(64)))
pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(64));
We will work on a fix, but for now it would be best to blacklist it on
ppc64le.
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https://bugs.launchpad.net/bugs/1374438
Title:
power-nv ppc64el crash with ATI FirePro VGA card (snd_hda_intel)
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