[Asterisk-Users] Re: Asterisk Jitters

[Steven Critchfield]

On Thu, 2003-09-04 at 22:13, Zak wrote:
> 
> > Message: 3
> > Subject: Re: [Asterisk-Users] Re: Asterisk Jitters
> > From: Steven Critchfield <critch at basesys.com>
> > To: asterisk-users at lists.digium.com
> > Date: Wed, 03 Sep 2003 23:13:58 -0500
> > Reply-To: asterisk-users at lists.digium.com
> > 
> > On Thu, 2003-09-04 at 01:43, Zak wrote:
> >   
> > > I have three fxos from Digium installed in the box. 
> > > The Box got Pentium 4 2.4 Ghz and  512 RAM.
> > > I had the box working fine once but it stopped working (jitters) after
> > > a reboot.
> > >     
> > Did you make sure the zap card drivers are loaded? Have you checked your
> > IRQs to make sure they didn't wander and start causing problems?
> Steven,
> 
> The zap card drivers are loaded correctly and there don't seem to be
> any IRQ problem.
> Here is what I get from    /proc/interrupts.
> I'm not sure the sound card and eth0 using the same IRQ could be
> causing the problem?
> 
>            CPU0
>   0:   17728993          XT-PIC  timer
>   1:      44037            XT-PIC  keyboard
>   2:          0                XT-PIC  cascade
>   5:    9776462          XT-PIC  eth0, Intel ICH2
>   8:          1                XT-PIC  rtc
>   9:  103179821        XT-PIC  wcfxo
>  10:  217202079       XT-PIC  nvidia, wcfxo, wcfxo

Bing,Bing,Bing, we have the problem. nvidia and wcfxo cards on the same
interupt.

I'd say try removing a 2 WCFXO cards from the system and see if the
interupts free up, and your jitter stops.

>  12:     524504          XT-PIC  PS/2 Mouse
>  14:     165140          XT-PIC  ide0
>  15:     281208          XT-PIC  ide1
> NMI:          0
> ERR:          0
> 
> Zak
> 
> >   
> > > ####
> > > If you have one, and the card is up and running, then it would be used
> > > for timing. Basically it is just needed in this case to make sure
> > > asterisk keeps chugging along at a known speed.
> > > 
> > > What speed hardware are you using?
> > >     
> > > > Date: Wed, 03 Sep 2003 21:05:04 -0700
> > > > From: Zak <zakforever at netscape.net>
> > > > To: asterisk-users at lists.digium.com
> > > > Subject: [Asterisk-Users] Re: Asterisk Jitters
> > > > Reply-To: asterisk-users at lists.digium.com
> > > > 
> > > >   
> > > > Hi Steven,
> > > > 
> > > > I have a zap device installed in the box but I'm not sure if that's the one used for timing.
> > > > 
> > > > thanks.
> > > > 
> > > > Zak
> > > > 
> > > > 
> > > > 
> > > > Subject: Re: [Asterisk-Users] Asterisk Jitters
> > > > From: Steven Critchfield <critch at basesys.com>
> > > > To: asterisk-users at lists.digium.com
> > > > Date: Wed, 03 Sep 2003 11:17:15 -0500
> > > > Reply-To: asterisk-users at lists.digium.com
> > > > 
> > > > Do you have a zap device for timing?
> > > > 
> > > > On Wed, 2003-09-03 at 17:48, Zak wrote:
> > > > 
> > > >   
> > > >       
> > > > > > Hi,
> > > > > > 
> > > > > > Every time I dial into my asterisk box i hear nothing but asterisk 
> > > > > > jittering.
> > > > > > The following is an example of what I get on the asterisk CLI
> > > > > > 
> > > > > > Thanks
> > > > > > 
> > > > > > *CLI> DEBUG[81926]: File chan_sip.c, Line 3826 (check_user): Setting NAT 
> > > > > > on RTP
> > > > > > to 0
> > > > > > DEBUG[81926]: File chan_sip.c, Line 4807 (handle_request): Check for res
> > > > > > DEBUG[81926]: File chan_sip.c, Line 952 (find_user): Call from user 
> > > > > > 'xirak' is 1
> > > > > >  out of 0
> > > > > > DEBUG[81926]: File chan_sip.c, Line 3249 (build_route): build_route: 
> > > > > > Contact hop
> > > > > > : <sip:192.168.7.3>
> > > > > >     -- Executing VoiceMailMain2("SIP/xirak-259d", "") in new stack
> > > > > > DEBUG[294927]: File rtp.c, Line 1007 (ast_rtp_write): Ooh, format 
> > > > > > changed from U
> > > > > > NKN to ULAW
> > > > > > DEBUG[294927]: File channel.c, Line 947 (ast_settimeout): Scheduling 
> > > > > > timer at 16
> > > > > > 0 sample intervals
> > > > > >     -- Playing 'vm-login'
> > > > > > DEBUG[81926]: File chan_sip.c, Line 540 (__sip_ack): Stopping 
> > > > > > retransmission on
> > > > > > '6E5D898E-492D-400B-A42B-8B25FE25F2EE at 192.168.7.3' of Response 1: Found
> > > > > > DEBUG[294927]: File channel.c, Line 947 (ast_settimeout): Scheduling 
> > > > > > timer at 0
> > > > > > sample intervals
> > > > > > DEBUG[294927]: File channel.c, Line 947 (ast_settimeout): Scheduling 
> > > > > > timer at 0
> > > > > > sample intervals
> > > > > > WARNING[294927]: File app_voicemail2.c, Line 2567 (vm_execmain): 
> > > > > > Couldn't read u
> > > > > > sername
> > > > > >   == Spawn extension (extensions, 1001, 1) exited non-zero on 
> > > > > > 'SIP/xirak-259d'
> > > > > > DEBUG[294927]: File chan_sip.c, Line 980 (sip_hangup): find_user(xirak)
> > > > > >       
> > > > > >           
> > > >     
> > > >       
-- 
Steven Critchfield  <critch at basesys.com>