Date: Fri, 17 Feb 2012 08:08:18 -0800 From: Freddie Cash <fjwcash@gmail.com> To: Alex Goncharov <alex-goncharov@comcast.net> Cc: matt <sendtomatt@gmail.com>, freebsd-hackers@freebsd.org, hselasky@c2i.net Subject: Re: 8 to 9: Kernel modularization -- did it change? Message-ID: <CAOjFWZ6WM1bLEwaBiUE50Gj4MrwxefDWFb85ecRtYkSDuZ0erg@mail.gmail.com> In-Reply-To: <E1RyQHy-000IjV-UR@hans3> References: <E1RyPNW-000If4-5Y@hans3> <201202171612.36971.hselasky@c2i.net> <4F3E72B7.2050005@gmail.com> <E1RyQHy-000IjV-UR@hans3>
next in thread | previous in thread | raw e-mail | index | archive | help
On Fri, Feb 17, 2012 at 8:04 AM, Alex Goncharov <alex-goncharov@comcast.net> wrote: > ,--- You/matt (Fri, 17 Feb 2012 07:31:03 -0800) ----* > | It's in the kernel in later versions of 9-CURRENT and in 9-RELEASE on. > | > | You can't kldload or unload it because it's not a module, but part of > | the kernel. > | That doesn't preclude the presence of the file, I think. > | > | 'kldstat -v | less' should show you what's "in there". > > Thanks, indeed: > > ---------------------------------------- > uname -sr; echo =3D=3D; kldstat | grep hda; echo =3D=3D; kldstat -v | gre= p hda > =3D> > FreeBSD 8.2-STABLE > =3D=3D > 11 =C2=A0 =C2=A01 0xffffffff81039000 14580 =C2=A0 =C2=A0snd_hda.ko > =3D=3D > 11 =C2=A0 =C2=A01 0xffffffff81039000 14580 =C2=A0 =C2=A0snd_hda.ko (/boot= /kernel/snd_hda.ko) > =C2=A0 =C2=A0 =C2=A0 =C2=A0456 hdac/snd_hda_pcm > =C2=A0 =C2=A0 =C2=A0 =C2=A0457 pci/snd_hda > ---------------------------------------- > > uname -sr; echo =3D=3D; kldstat | grep hda; echo =3D=3D; kldstat -v | gre= p hda > =3D> > FreeBSD 9.0-STABLE > =3D=3D > =3D=3D > =C2=A0 =C2=A0 =C2=A0 =C2=A0253 pci/snd_hda > =C2=A0 =C2=A0 =C2=A0 =C2=A0252 hdac/snd_hda_pcm > ---------------------------------------- > > But am I not screwed up then? -> > > I need to adjust the sound card pin assignments so that the sound can > be directed to the headphones when they are plugged in. > > With FreeBSD 8, on several machines, I had gone through somewhat > painful but ultimately meaningful and manageable routine of building > the device.hints file. > > Essentially (consider the following an non-ordered set): > > =C2=A0 =C2=A0kldunload snd_hda.ko > =C2=A0 =C2=A0kenv | grep hdac > =C2=A0 =C2=A0sysctl hw.snd.verbose > =C2=A0 =C2=A0sysctl hw.snd.verbose=3D4 > =C2=A0 =C2=A0kldload snd_hda.ko > =C2=A0 =C2=A0cat /dev/sndstat > =C2=A0 =C2=A0dmesg | grep ^hdac0 > =C2=A0 =C2=A0kenv hint.hdac.0.cad0.nid15.config=3D"as=3D1 seq=3D15 device= =3DHeadphones" > =C2=A0 =C2=A0kldload snd_hda.ko > > I don't believe I can do it now that the snd_hda module cannot be > reloaded in a modified kernel environment. > > So, how do I go about finding and modifying the sound card pin > assignments in FreeBSD 9? =C2=A0(If I can't do it without temporarily > installing FreeBSD 8, it would be a huge disappointment. :) Stick the hint into /boot/loader.conf and reboot. --=20 Freddie Cash fjwcash@gmail.com
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CAOjFWZ6WM1bLEwaBiUE50Gj4MrwxefDWFb85ecRtYkSDuZ0erg>