RE: [Asterisk-Users] T100P No D-channels
Thanks gentlemen for all your help and suggestions; For some reason, this setup of ours started to work perfectly again this morning and is still up without any of the symptoms and failures I described. We'll have to figure this out with our telco rep - I am certain this problem has not gone away...just like tech stocks, it just gave us a reprieve for a short while :( Regards Josef -Original Message- From: Eric Wieling [mailto:[EMAIL PROTECTED] Sent: August 31, 2004 5:27 PM To: Asterisk Users Mailing List - Non-Commercial Discussion Subject: RE: [Asterisk-Users] T100P No D-channels On Tue, 2004-08-31 at 15:58, Pliva, Josef wrote: > Unfortunately, I am seeing great many missed IRQs continually...if in fact > it is that which causes the loss of D-channel. Then you need to find out why interrupts are being locked for long enough to make the T100P miss interrupts. Common causes: frame buffer, graphics, RAID drivers, IDE DMA, and many, many other things. Doing an hdparm -u1 /dev/hda might help -- Eric Wieling * BTEL Consulting * 504-899-1387 x2111 "In a related story, the IRS has recently ruled that the cost of Windows upgrades can NOT be deducted as a gambling loss." ___ Asterisk-Users mailing list [EMAIL PROTECTED] http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users ___ Asterisk-Users mailing list [EMAIL PROTECTED] http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
RE: [Asterisk-Users] T100P No D-channels
On Tue, 2004-08-31 at 15:58, Pliva, Josef wrote: > Unfortunately, I am seeing great many missed IRQs continually...if in fact > it is that which causes the loss of D-channel. Then you need to find out why interrupts are being locked for long enough to make the T100P miss interrupts. Common causes: frame buffer, graphics, RAID drivers, IDE DMA, and many, many other things. Doing an hdparm -u1 /dev/hda might help -- Eric Wieling * BTEL Consulting * 504-899-1387 x2111 "In a related story, the IRS has recently ruled that the cost of Windows upgrades can NOT be deducted as a gambling loss." ___ Asterisk-Users mailing list [EMAIL PROTECTED] http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
Re: [Asterisk-Users] T100P No D-channels
H I guess from a troubleshooting standpoint to try and pinpoint the problem what I would do is remove all cards from the system and then only replace the cards that are absolutely necessary like your SCSI card and your Video card and of course the T100P and then check /proc/interrupts to see if you're having any more MISses... Also are you getting interrupt ERRs as well? Is APIC enabled for your board? If it is, you'll see things like IO-APIC-edge or IO-APIC-level in your /proc/interrupts. If not, you'll see XT-PIC for all interrupts... If you can't get APIC turned on you might try upgrading your kernel, your motherboard/bios may be blacklisted in that particular kernel... You definitely DO NOT want to share interrupts on the T100P unless it's a low-interrupt device like a USB controller or your video card. You definitely don't want to share with say a NIC or a SCSI controller... If it is sharing with one of those, try shuffling the cards around in different slots and make sure that your T100P isn't in slot 5. Slot 5 is usually shared with Slot 1 if they're on the same bus... Of course you've probably already tried all of this but just in case you haven't... -Chris ___ Asterisk-Users mailing list [EMAIL PROTECTED] http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
RE: [Asterisk-Users] T100P No D-channels
Hi Chris, thanks for taking time to look this over. T100P/* is connected to the Mitel IP-PBX/CU and it to telco - so I think our setting is correct. BTW, I did try 0 (as well as 2) without success, just for "fun", before I came on a good explanation of the sync source in this forum. Unfortunately, I am seeing great many missed IRQs continually...if in fact it is that which causes the loss of D-channel. Regards Josef -Original Message- From: Chris Shaw [mailto:[EMAIL PROTECTED] Sent: August 31, 2004 4:46 PM To: Asterisk Users Mailing List - Non-Commercial Discussion Subject: Re: [Asterisk-Users] T100P No D-channels > Zaptel.conf sets t100p to be the primary sync source for the only span, as > suggested by many Asterisk users. I'm trying to understand so please bear with me... The T100P is connected directly to the Mitel? Or to the Telco through a T1? What I mean is are calls coming into the Mitel from the telco and then from there going into * or are calls going into * first and then being fed into the Mitel? If your T100P is connected to the telco then the clocking source should be the telco as their clocks are going to be a LOT more accurate than your PC's interrupt timers... If your T100P is connected to the Mitel, then you've got it right... Just checking, I wasn't sure from your description... Occasional interrupt misses are pretty normal although in a perfect world with a good mobo they should not happen at all... If you're seeing multiple misses per second (e.g. everytime you do cat /proc/interrupts you see more) then there's a problem... -Chris ___ Asterisk-Users mailing list [EMAIL PROTECTED] http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users ___ Asterisk-Users mailing list [EMAIL PROTECTED] http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
Re: [Asterisk-Users] T100P No D-channels
> Zaptel.conf sets t100p to be the primary sync source for the only span, as > suggested by many Asterisk users. I'm trying to understand so please bear with me... The T100P is connected directly to the Mitel? Or to the Telco through a T1? What I mean is are calls coming into the Mitel from the telco and then from there going into * or are calls going into * first and then being fed into the Mitel? If your T100P is connected to the telco then the clocking source should be the telco as their clocks are going to be a LOT more accurate than your PC's interrupt timers... If your T100P is connected to the Mitel, then you've got it right... Just checking, I wasn't sure from your description... Occasional interrupt misses are pretty normal although in a perfect world with a good mobo they should not happen at all... If you're seeing multiple misses per second (e.g. everytime you do cat /proc/interrupts you see more) then there's a problem... -Chris ___ Asterisk-Users mailing list [EMAIL PROTECTED] http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
[Asterisk-Users] T100P No D-channels
Hi Last week I installed Asterisk (release1) with digium t100p single span T1 (wct1xxp) board on Dell GX270 pc configured for PRI. Asterisk/t100p is currently the only user of the t1 line. All worked well for about a half a day, PSTN to SIP phones to non-SIP IP phones etc. Alas, since then I consistently get multitudes of blue alarms on all b-channels followed by a loss of d-channel: Aug 31 16:33:49 WARNING[98316]: chan_zap.c:5286 handle_init_event: Detected alarm on channel 1: Blue Alarm Aug 31 16:33:49 WARNING[98316]: chan_zap.c:5286 handle_init_event: Detected alarm on channel 2: Blue Alarm ...etc, intermixed with Aug 31 16:33:49 NOTICE[90123]: chan_zap.c:6920 pri_dchannel: PRI got event: 4 on Primary D-channel of span 1 Aug 31 16:33:49 WARNING[90123]: chan_zap.c:1899 pri_find_dchan: No D-channels available! Using Primary on channel anyway 24! ...and back to reset Aug 31 16:33:54 NOTICE[98316]: chan_zap.c:5281 handle_init_event: Alarm cleared on channel 1... ... Aug 31 16:33:54 NOTICE[90123]: chan_zap.c:6920 pri_dchannel: PRI got event: 5 on Primary D-channel of span 1 ... I found a few hits on VoIP.org and asterisk user forums usually mentioning PCI/BIOS IRQ sharing/conflict, but although I certainly see IRQ misses in zttool as well as /proc/zaptel/1, I cannot "see" any conflicts - zttool shows blue alarm, recovery and increasing IRQ misses right after zaptel/wct1xxp modprobe and ztcfg. During this search-for-the-truth I disabled all legacy devices (IRQs) I dared, including USB, but to no avail. On Dell GX270, BIOS does not seem to present the option of PCI IRQ line sharing/selection - just a disable/enable option. Mitel 3300 CU (part of 3300 IP-PBX) is set as pri_CPE and * t100p is pri_NET, using esf framing and b8zs code. Wildcard T100P shows green light, our 3300 Mitel CU light on the port I use ranges from yellow (during event recovery) to green (cleared). The telco rep sees nothing wrong with the Mitel - but did reset it several times since this problem started to happen, just to appease me. Zaptel.conf sets t100p to be the primary sync source for the only span, as suggested by many Asterisk users. No changes to Asterisk/Zaptel code has been done since the initial build from the Rel1 FTP site. After spending several days searching on internet, I found a lot of discussion about Digium PRI support which was not totally encouraging. However I am certain it is something simple since I am totally new to Asterisk environment and suspect I am missing something somewhere :( I would welcome any suggestions you may have. Thanks in advance Regards Josef [EMAIL PROTECTED] proc]# cat interrupts CPU0 0:6640846 XT-PIC timer 1:196 XT-PIC keyboard 2: 0 XT-PIC cascade 8: 1 XT-PIC rtc 9: 43296 XT-PIC eth0 10: 12708545 XT-PIC t1xxp 12: 1422 XT-PIC PS/2 Mouse 14: 84025 XT-PIC ide0 15: 256596 XT-PIC ide1 NMI: 0 ERR: 1 [EMAIL PROTECTED] proc]# cat pci PCI devices found: Bus 0, device 0, function 0: Host bridge: PCI device 8086:2570 (Intel Corp.) (rev 2). Prefetchable 32 bit memory at 0xe800 [0xefff]. Bus 0, device 1, function 0: PCI bridge: PCI device 8086:2571 (Intel Corp.) (rev 2). Master Capable. Latency=64. Min Gnt=8. Bus 0, device 30, function 0: PCI bridge: Intel Corp. 82801BA/CA/DB PCI Bridge (rev 194). Master Capable. No bursts. Min Gnt=2. Bus 0, device 31, function 0: ISA bridge: PCI device 8086:24d0 (Intel Corp.) (rev 2). Bus 0, device 31, function 1: IDE interface: PCI device 8086:24db (Intel Corp.) (rev 2). IRQ 9. I/O at 0x1f0 [0x1f7]. I/O at 0x3f6 [0x3f6]. I/O at 0x170 [0x177]. I/O at 0x376 [0x376]. I/O at 0xffa0 [0xffaf]. Non-prefetchable 32 bit memory at 0xfebffc00 [0xfebf]. Bus 0, device 31, function 2: IDE interface: PCI device 8086:24d1 (Intel Corp.) (rev 2). IRQ 9. I/O at 0xfe00 [0xfe07]. I/O at 0xfe10 [0xfe13]. I/O at 0xfe20 [0xfe27]. I/O at 0xfe30 [0xfe33]. I/O at 0xfea0 [0xfeaf]. Bus 0, device 31, function 3: SMBus: PCI device 8086:24d3 (Intel Corp.) (rev 2). IRQ 5. I/O at 0xefe0 [0xefff]. Bus 1, device 0, function 0: VGA compatible controller: PCI device 10de:0181 (nVidia Corporation) (rev 162). IRQ 11. Master Capable. Latency=64. Min Gnt=5.Max Lat=1. Non-prefetchable 32 bit memory at 0xfd00 [0xfdff]. Prefetchable 32 bit memory at 0xf000 [0xf7ff]. Bus 2, device 10, function 0: Network controller: Tiger Jet Network Inc. Model 300 128k (rev 0). IRQ 10. Master
