Re: next-0519 on thinkpad x60: sound related? window manager crash

Jaroslav Kysela
2020-06-09T13:18:05Z

Dne 09. 06. 20 v 13:49 Christoph Hellwig napsal(a):
> On Tue, Jun 09, 2020 at 01:45:34PM +0200, Takashi Iwai wrote:
>> Yes, for the sound stuff, something below should make things working.
>> But it means that we'll lose the SG-buffer allocation and the
>> allocation of large buffers might fail on some machines.
>
> We crossed lines there. In general due to better memory compaction and
> CMA we have better chances to get larger contiguous allocations these
> days, so this might not be too much of an issue in practice.
>

But turning off the SG DMA scheme seems like a step back. Would be possible to
fix this kind of memory mapping?

Jaroslav

--
Jaroslav Kysela <perex@perex.cz>
Linux Sound Maintainer; ALSA Project; Red Hat, Inc.