[Asterisk-bsd] FBSD port: Hard lockup of machine at exit/restart of asterisk

[Peter Wemm]

On Saturday 19 March 2005 06:54 pm, Charles A.Newcomer wrote:
> Let me post this again.
> I think this will solve all of the hard lockups.

Indeed.  The bug you describe is a serious one, and it would certainly 
cause hard lockups.

> Greetings:
>
> It looks like there is a bug in the zaptel driver from
> zaptel-freebsd-0.8.
>
> It manifest itself when the zt_chan_read call is interrupted. (To
> reproduce
> run zttest and hit ^C).  I first noticed it when doing a STOP NOW.
>
> Changing the schluffen routine as follows fixes the problem:
> > static int schluffen(void *q)
> > {
> >    int rc;
> >
> >         switch (rc=tsleep(q, PZERO | PCATCH, "schluffen", 0)) {
> >            case    EINTR:
> >            case ERESTART: return(rc);
> >         }
> >         return(0);
> > }
>
> This allows the for (;;) loop to exit after an interrupt.
>
>
> Thanks,
> /can
>
> On Feb 3, 2005, at 3:45 PM, Jerry Bednyak wrote:
> > I'm having the same problem. I did notice, however,
> > that disabling all the musiconhold classes via
> > musiconhold.conf will allow a clean shutdown without
> > hanging the computer. Maybe that will spawn some ideas
> > as to the problem. Using FreeBSD 5.3 w/ Zaptel,
> > Asterisk 1.0.3
> >
> > Jerry
> >
> > ----- Original Message -----
> > From: "Vahan Yerkanian" <vahan at arminco.com>
> > To: "Asterisk on BSD discussion" <asterisk-bsd at
> > lists.digium.com>
> > Sent: Sunday, January 16, 2005 3:18 AM
> > Subject: Re: [Asterisk-bsd] FreeBSD hang up when
> > exiting *
> >
> >> Same thing here,
> >>
> >> Try to unload zaptel drivers and you'll see the
> >
> > problem go. We need
> >
> >> newer drivers in ports for sure.
> >>
> >> Kavit Munshi wrote:
> >>> I am getting a very strange error on FreeBSD 5.3
> >
> > STABLE. I am using
> >
> >>> asterisk 1.0.3 and the zaptel-bsd drivers from the
> >
> > svn trunk. Asterisk
> >
> >>> performs just fine. No issues whatsoever. The
> >
> > problem arises when I try
> >
> >>> to exit asterisk in any fashion, stop now, stop
> >
> > when convenient, hitting
> >
> >>> CTRL-C, using kill -9 or kill all; it freezes the
> >
> > entire operating
> >
> >>> system over. Its like getting the blue screen of
> >
> > death on windows. No
> >
> >>> keys work and I have to reset the machine manually.
> >>>
> >>> Now the instresting bit is, after rebooting i
> >
> > examine the log files and
> >
> >>> i get no log messages pertaining to a crash or any
> >
> > kernel messages which
> >
> >>> give a clue.
> >>>
> >>> This is really weird as asterisk performs very
> >
> > nicely and doesnt give
> >
> >>> any issues with memory load or interrupts. It only
> >
> > has problems when you
> >
> >>> try to exit it.
> >>>
> >>> I will appreciate any help.
> >>>
> >>> regards
> >>>
> >>> Kavit
> >>> _______________________________________________
> >>> Asterisk-BSD mailing list
> >>> Asterisk-BSD at lists.digium.com
> >
> > http://lists.digium.com/mailman/listinfo/asterisk-bsd
> >
> >
> >
> > _______________________________________________
> > Asterisk-BSD mailing list
> > Asterisk-BSD at lists.digium.com
> > http://lists.digium.com/mailman/listinfo/asterisk-bsd
>
> On Mar 19, 2005, at 7:33 PM, Kim Culhan wrote:
> > On Sat, March 19, 2005 8:05 pm, Mark Radabaugh said:
> >> What are you running on?   I have a AMD in a Asus A7N8X
> >> motherboard (NVidia chipset, integrated NVidia sound).  I'm
> >> thinking the lockup is really a kernel bug with this hardware
> >> related to the soundcard.
> >
> > You may be onto something there, this is the same motherboard
> >
> >> I agree with your statement regarding the surprise at seeing
> >> a FreeBSDbox lock up - in many years of running BSD on lots of
> >> different machines I don't think I have ever seen a kernel freeze.
> >> At the same time I have never had a reason to run sound - all of
> >> our machines are servers.
> >>
> >> I'm going to do a little more investigating with mpg123 without
> >> Asterisk running - I'll let you know what I find.
> >
> > Thats great, anyone else seeing this?
> >
> > -kim
> >
> >
> >
> >
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>
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-- 
Peter Wemm - peter at wemm.org; peter at FreeBSD.org; peter at yahoo-inc.com
"All of this is for nothing if we don't go to the stars" - JMS/B5