[Asterisk-bsd] WARNING kernel panic was FreeBSD and Music on Hold -- Possible Fix
Chris Stenton
asterisk-bsd@lists.digium.com
Sat, 19 Jun 2004 09:19:29 +0100
I have an X101P installed
I have just updated the zaptel driver to 0.5.
If I now enable MOH I get an immediate kernel PANIC on
FreeBSD-5.2.1-RELEASE-p8
Chris
On Fri, 2004-06-18 at 23:54, Dr. Rich Murphey wrote:
> Something must be wrong. Pseudofs is non-negative, which means you have a
> zaptel device available for timing, had reading it should produce a delay.
> In which case, you shouldn't need the usleep() there. So, if the usleep()
> makes a difference, perhaps it does so because the device is not providing
> the timing expected.
>
> Do you have a zaptel device?
>
> Cheers,
> Rich
>
>
> > -----Original Message-----
> > From: asterisk-bsd-admin@lists.digium.com [mailto:asterisk-bsd-
> > admin@lists.digium.com] On Behalf Of Chris Stenton
> > Sent: Friday, June 18, 2004 6:20 AM
> > To: asterisk-bsd@lists.digium.com
> > Subject: Re: [Asterisk-bsd] FreeBSD and Music on Hold -- Possible Fix
> >
> > Ok I've had part success in that if I change
> > if (class->pseudofd > -1) {
> > /* Pause some amount of time */
> > res = read(class->pseudofd, buf, sizeof(buf));
> > to
> >
> > if (class->pseudofd > -1) {
> > /* Pause some amount of time */
> > usleep(1);
> > res = read(class->pseudofd, buf, sizeof(buf));
> >
> >
> > At least asterisk responds at the cli now. I think on a 2 processor
> > machine
> > the above read took no time at all. What kind of delay should there be?
> > However even though asterisk now starts up cleanly and can register
> > external
> > resouces. It does not respond to any connections sip/zap dialin etc. Looks
> > like the select routine is being blocked somehow. Who wrote the FreeBSD
> > MOH
> > routines?
> >
> > Chris
> >
> >
> > ----- Original Message -----
> > From: "Dr. Rich Murphey" <Rich@WhiteOakLabs.com>
> > To: <asterisk-bsd@lists.digium.com>
> > Sent: Thursday, June 17, 2004 9:35 PM
> > Subject: RE: [Asterisk-bsd] FreeBSD and Music on Hold -- Possible Fix
> >
> >
> > > I had seen intermittent occurrences of mpg123 hogging the cpu with
> > > concurrent absence of music on hold. It would occur immediately upon
> > > starting asterisk about 1 out of 5 times.
> > >
> > > After the patch I haven't seen it happen again, and I can have several
> > lines
> > > on hold with music on hold and none are choppy.
> > >
> > > In your case, it appears that there are no music-on-hold 'classes' in
> > the
> > > context. I'm not certain, but my understanding is that each line below
> > the
> > > line '[classes]' in musiconhold.conf is a class:
> > >
> > > [classes]
> > > default => mp3:/var/lib/asterisk/mohmp3
> > >
> > > Where default would apply to every context except those that have
> > specified
> > > another music on hold class.
> > >
> > > Does that help?
> > >
> > > Cheers,
> > > Rich
> > >
> > >
> > > > -----Original Message-----
> > > > From: asterisk-bsd-admin@lists.digium.com [mailto:asterisk-bsd-
> > > > admin@lists.digium.com] On Behalf Of Chris Stenton
> > > > Sent: Thursday, June 17, 2004 1:26 PM
> > > > To: asterisk-bsd@lists.digium.com
> > > > Subject: Re: [Asterisk-bsd] FreeBSD and Music on Hold -- Possible Fix
> > > >
> > > > Rich,
> > > >
> > > > No there is very little additional CPU activity.
> > > > mpg123 process is there.
> > > > mpg123 runs fine standalone.
> > > >
> > > > I have not looked into the code in great detail but it seems like some
> > > > form
> > > > of select
> > > > or poll issue with asterisk waiting patiently for some MOH event to
> > > > happen.
> > > >
> > > > I take it that MOH works for you OK.
> > > >
> > > > Chris
> > > >
> > > > ----- Original Message -----
> > > > From: "Dr. Rich Murphey" <Rich@WhiteOakLabs.com>
> > > > To: <asterisk-bsd@lists.digium.com>
> > > > Sent: Thursday, June 17, 2004 1:15 PM
> > > > Subject: RE: [Asterisk-bsd] FreeBSD and Music on Hold -- Possible Fix
> > > >
> > > >
> > > > > Hmm.. Is asterisk consuming the CPU rather than mpg123?
> > > > >
> > > > > I see an asterisk thread in the same loop, but it's not consuming
> > CPU
> > > > > inordinately because class->members is nonzero. Is it finding .mp3
> > > > files
> > > > > in the directories specified in musiconhold.conf?
> > > > >
> > > > > Rich
> > > > >
> > > > >
> > > > > > -----Original Message-----
> > > > > > From: asterisk-bsd-admin@lists.digium.com [mailto:asterisk-bsd-
> > > > > > admin@lists.digium.com] On Behalf Of Chris Stenton
> > > > > > Sent: Thursday, June 17, 2004 5:00 AM
> > > > > > To: asterisk-bsd@lists.digium.com
> > > > > > Subject: RE: [Asterisk-bsd] FreeBSD and Music on Hold -- Possible
> > Fix
> > > > > >
> > > > > > Rich,
> > > > > >
> > > > > > that makes no difference.
> > > > > >
> > > > > > Sticking asterisk in the gdb I notice that it appears to be in
> > > > > > monmp3thread all the time.
> > > > > >
> > > > > >
> > > > > > In the loop
> > > > > >
> > > > > > for(;/* ever */;) {
> > > > > >
> > > > > > Its doing this
> > > > > > if (class->pseudofd > -1) {
> > > > > > /* Pause some amount of time */
> > > > > > res = read(class->pseudofd, buf, sizeof(buf));
> > > > > >
> > > > > > and then this
> > > > > >
> > > > > > if (!class->members)
> > > > > > continue;
> > > > > >
> > > > > >
> > > > > >
> > > > > > Chris
> > > > > >
> > > > > > On Thu, 2004-06-17 at 05:30, Dr. Rich Murphey wrote:
> > > > > > > It appears to be a bug in the FreeBSD mpg123 port.
> > > > > > >
> > > > > > > Try copying this patch to /usr/ports/audio/mpg123/files:
> > > > > > >
> > > > > > > http://www.whiteoaklabs.com/code/patch-mpg123.c
> > > > > > >
> > > > > > > and reinstall it, and see if that fixes it.
> > > > > > >
> > > > > > > mpg123 is going into an infinite loop in
> > > > > > > play_frame() when it sees an end of file
> > > > > > > while trying to read a command. The patch
> > > > > > > breaks that loop upon an end of file.
> > > > > > >
> > > > > > > Cheers,
> > > > > > > Rich
> > > > > > >
> > > > > > >
> > > > > > > > -----Original Message-----
> > > > > > > > From: asterisk-bsd-admin@lists.digium.com [mailto:asterisk-
> > bsd-
> > > > > > > > admin@lists.digium.com] On Behalf Of Chris Stenton
> > > > > > > > Sent: Monday, June 14, 2004 12:02 PM
> > > > > > > > To: asterisk-bsd@lists.digium.com
> > > > > > > > Subject: [Asterisk-bsd] FreeBSD and Music on Hold
> > > > > > > >
> > > > > > > > I can't get Music on Hold to work on FreeBSD/asterisk-
> > current.
> > I
> > > > am
> > > > > > using
> > > > > > > > the mpg123 port and once MOH is enabled the loading of the
> > > > asterisk
> > > > > > > > console
> > > > > > > > goes incredibly slowly.
> > > > > > > >
> > > > > > > > _______________________________________________
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> > > > > > > > Asterisk-BSD@lists.digium.com
> > > > > > > > http://lists.digium.com/mailman/listinfo/asterisk-bsd
> > > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
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