devmatch sideeffec: No sound

Poul-Henning Kamp phk at phk.freebsd.dk
Sun Sep 30 10:56:46 UTC 2018


--------
In message <20180930114717.0cfb5e6cdc881f39dbf4ba2b at bidouilliste.com>, Emmanuel
 Vadot writes:
>On Sun, 30 Sep 2018 07:51:38 +0000

>> Yet to be discovered workaround:  Prioritize sound devices, when
>> there are multiple.
>
> hw.snd.default_unit=XXX
> hw.snd.default_auto=0
>
> in /etc/sysctl.conf should do the trick.

Will try.

>> This kind of thing may cause some support-work when 12 comes out...
>
> The only new "issue" is that now with devmatch every hardware got its
>driver loaded, so on this case this would cause "problems" but for
>other it solve the problem of finding which driver you need to load to
>use your usb/pci/blah driver.

Ohh, absolutely!

Devmatch is a great improvement over "kldload /boot/kernel/*.ko"

But until now I had not expected any sideeffects in the "stopped
working" category.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.


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