On Sat, 27 Feb 2016, Linus Torvalds wrote:
> On Sat, Feb 27, 2016 at 1:52 PM, Cristian Ionescu-Idbohrn
> <cristian.ionescu-idbo...@axis.com> wrote:
> > Background: https://bugs.debian.org/815787
> >
> > "Until recently the Sound Blaster Live! card in my workstation
> > worked fine. Sometime recently it has stopped working."
> >
> > On Sat, 27 Feb 2016, Ben Hutchings wrote:
> >> On Sat, 2016-02-27 at 10:39 +0100, Cristian Ionescu-Idbohrn wrote:
> >> >
> >> > No mention of that in the changelog.
> >>
> >> Yes there is:
> >>
> >> * [amd64] mm,nvdimm: Disable ZONE_DMA; enable ZONE_DEVICE, NVDIMM_PFN
> >> - This disables drivers for some AC'97 sound cards
> >
> > Alright, but not obvious to me.
> >
> > So, what is to do about that?
>
> If I read this right, this seems to be a Debian kernel configuration
> choice rather than anything else.
>
> Does it work if you just compile your own kernel?
Did that twice today. Not there yet :( Looks like the bottom line is:
"Apparently there is some work under way to allow both ZONE_DEVICE
(needed for DAX) and ZONE_DMA (needed by the sound drivers) to be
supported in the same kernel configuration."
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=814855#37
and there may be some hope with:
http://www.spinics.net/lists/kernel/msg2170767.html
Is there, Linus?
--
Cristian
