Open Sound System - OSS "soundon" command causes KERNEL PANIC FreeBSD-11

[Joe Nosay]

The Creative Labs Xfi cards use OSS as the driver. Other cards based on the
same chipset would also be dependent upon OSS.

On Sun, Feb 14, 2016 at 9:33 PM, Greg Quinlan <gwq_uk at yahoo.com> wrote:

> Thanks.
>
> I am not going to use OSS anymore...
>
> I am going to stick to stick with a custom kernel
>
> device sounddevice snd_hda From: Hans Petter Selasky <hps at selasky.org>
>  To: Greg Quinlan <gwq_uk at yahoo.com>; "freebsd-current at freebsd.org" <
> freebsd-current at freebsd.org>
>  Sent: Saturday, 13 February 2016, 18:55
>  Subject: Re: Open Sound System - OSS "soundon" command causes KERNEL
> PANIC FreeBSD-11
>
> On 02/12/16 01:04, Greg Quinlan wrote:
> > Spoke too soon...
> >
> > I applied the patch (kern_module.diff - which was successful)
> >
> > # cd /usr/src# patch <kern_module.diffHmm...  Looks like a unified diff
> to me...
> > The text leading up to this was:
> > --------------------------
> > |Index: sys/kern/kern_module.c
> > |===================================================================
> > |--- sys/kern/kern_module.c    (revision 295464)
> > |+++ sys/kern/kern_module.c    (working copy)
> > --------------------------
> > Patching file sys/kern/kern_module.c using Plan A...
> > Hunk #1 succeeded at 214.
> > done
> > # make buildkernel:
> > # make installkernel:
> > # shutdown -r now
> > Logged in and ran# soundon
> > No panic!!
> >
> > Thought the problem was fixed ... unfortunately, I assumed that the
> contents of /usr/local/lib/oss/etc/installed_drivers still contained
> >          oss_hdaudio #Intel High Definition Audio (CPT)
> > but somehow the file was empty
> > I ran
> >      # ossdetect    # soundon
> >
> > Another KERNEL PANIC...  this time it scrolled off the screen. I tried
> setting this (below) in /etc/rc.conf but there is nothing in /var/crash
> >
> > [entries in /etc/rc.conf]
> >      dumpdev="AUTO"
> >      dumpdir="/var/crash"
> > I need help to recover the backtrace, please?
> >
> > Thanks
> >
> >        From: Greg Quinlan <gwq_uk at yahoo.com>
> > To: Hans Petter Selasky <hps at selasky.org>; "freebsd-current at freebsd.org"
> <freebsd-current at freebsd.org>
> >  Sent: Thursday, 11 February 2016, 22:19
> >  Subject: Re: Open Sound System - OSS "soundon" command causes KERNEL
> PANIC FreeBSD-11
> >
> > Well done!!
> > Fixed. Thanks!
> >
> >
> >
> >        From: Hans Petter Selasky <hps at selasky.org>
> >  To: Greg Quinlan <gwq_uk at yahoo.com>; "freebsd-current at freebsd.org" <
> freebsd-current at freebsd.org>
> >  Sent: Thursday, 11 February 2016, 17:54
> >  Subject: Re: Open Sound System - OSS "soundon" command causes KERNEL
> PANIC FreeBSD-11
> >
> > On 02/11/16 03:02, Greg Quinlan wrote:
> >> Hi HPS,
> >> Note: Does not happen on FreeBSD 10.1-Stable!
> >>
> >
> > Yes, that's because WITNESS is off in 10.x by default.
> >
> > Does the attached patch solve your problem?
> >
> > --HPS
>
> Hi,
>
> It might be that audio/oss is not compatible with 11-current if it
> crashes like that.
>
> --HPS
>
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