[Asterisk-Users] Line Noise UPDATE - If you've got line noise,
read this
Henry Devito
hdevito at mchsi.com
Fri Apr 22 04:32:24 MST 2005
I have three in one machine, and 4 customers that have 2 in each of their
machines. The only problem I've ever had is momentary echo when a call
first begins, but that is to be expected until the line trains.
----- Original Message -----
From: "Paul" <junk at irqx.com>
To: "'Asterisk Users Mailing List - Non-Commercial Discussion'"
<asterisk-users at lists.digium.com>
Sent: Friday, April 22, 2005 2:40 AM
Subject: RE: [Asterisk-Users] Line Noise UPDATE - If you've got line
noise,read this
>
> Ok, well I managed to fix the IRQ conflicts...well, sorta. I have two
> X100P
> cards in the system. One now has it's own interrupt and the other is
> sharing
> one with the soundcard. I tested outbound calls on both cards, still have
> the damn static. I am so sick of this. Is anyone else using X100P cards
> and
> NOT having this problem??
>
>
> Paul
> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com
> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Paul
> Sent: Thursday, April 21, 2005 14:23
> To: 'Asterisk Users Mailing List - Non-Commercial Discussion'
> Subject: RE: [Asterisk-Users] Line Noise UPDATE - If you've got line
> noise,read this
>
> Hmmmmm...well, here's something interesting. On my previous box, neither
> of
> the cards were sharing IRQs with anything.....now, both cards are on 11,
> along with many other things. This could very well be a problem. As far as
> the network goes, there is very little traffic and the switch is full
> duplex
> 100 megabit. Bandwidth is only a factor on he local lan, since asterisk
> dials out through a FXO card(X100P) then it doesn't go across my broadband
> connection. Let me know your thoughts.....sorry for the verbose output.
>
>
> Paul
>
>
> [root at router /sbin]$ ./lspci -v
> 00:00.0 Host bridge: VIA Technologies, Inc. VT8377 [KT400 AGP] Host Bridge
> (rev 80)
> Subsystem: Elitegroup Computer Systems: Unknown device 1884
> Flags: bus master, 66Mhz, medium devsel, latency 8
> Memory at d0000000 (32-bit, prefetchable) [size=128M]
> Capabilities: <available only to root>
>
> 00:01.0 PCI bridge: VIA Technologies, Inc.: Unknown device b198 (prog-if
> 00
> [Normal decode])
> Flags: bus master, 66Mhz, medium devsel, latency 0
> Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
> I/O behind bridge: 00009000-00009fff
> Memory behind bridge: e8000000-e9ffffff
> Prefetchable memory behind bridge: d8000000-e7ffffff
> Capabilities: <available only to root>
>
> 00:09.0 Communication controller: Tiger Jet Network Inc. Intel 537
> Subsystem: Intel Corp.: Unknown device 0003
> Flags: bus master, medium devsel, latency 32, IRQ 11
> I/O ports at a000 [size=256]
> Memory at eb002000 (32-bit, non-prefetchable) [size=4K]
> Capabilities: <available only to root>
>
> 00:0a.0 Communication controller: Tiger Jet Network Inc. Intel 537
> Subsystem: Intel Corp.: Unknown device 0003
> Flags: bus master, medium devsel, latency 32, IRQ 11
> I/O ports at a400 [size=256]
> Memory at eb000000 (32-bit, non-prefetchable) [size=4K]
> Capabilities: <available only to root>
>
> 00:0b.0 Ethernet controller: Linksys Network Everywhere Fast Ethernet
> 10/100
> model NC100 (rev 11)
> Subsystem: Linksys: Unknown device 0570
> Flags: bus master, medium devsel, latency 32, IRQ 5
> I/O ports at a800 [size=256]
> Memory at eb001000 (32-bit, non-prefetchable) [size=1K]
> Expansion ROM at <unassigned> [disabled] [size=128K]
> Capabilities: <available only to root>
>
> 00:0f.0 RAID bus controller: VIA Technologies, Inc.: Unknown device 3149
> (rev 80)
> Subsystem: Elitegroup Computer Systems: Unknown device 1884
> Flags: bus master, medium devsel, latency 32, IRQ 11
> I/O ports at ac00 [size=8]
> I/O ports at b000 [size=4]
> I/O ports at b400 [size=8]
> I/O ports at b800 [size=4]
> I/O ports at bc00 [size=16]
> I/O ports at c000 [size=256]
> Capabilities: <available only to root>
>
> 00:0f.1 IDE interface: VIA Technologies, Inc. VT82C586/B/686A/B PIPC Bus
> Master IDE (rev 06) (prog-if 8a [Master SecP PriP])
> Subsystem: VIA Technologies, Inc. VT8235 Bus Master
> ATA133/100/66/33
> IDE
> Flags: bus master, medium devsel, latency 32
> I/O ports at c400 [size=16]
> Capabilities: <available only to root>
>
> 00:10.0 USB Controller: VIA Technologies, Inc. USB (rev 81) (prog-if 00
> [UHCI])
> Subsystem: Elitegroup Computer Systems: Unknown device 1884
> Flags: bus master, medium devsel, latency 32, IRQ 10
> I/O ports at c800 [size=32]
> Capabilities: <available only to root>
>
> 00:10.1 USB Controller: VIA Technologies, Inc. USB (rev 81) (prog-if 00
> [UHCI])
> Subsystem: Elitegroup Computer Systems: Unknown device 1884
> Flags: bus master, medium devsel, latency 32, IRQ 10
> I/O ports at cc00 [size=32]
> Capabilities: <available only to root>
>
> 00:10.2 USB Controller: VIA Technologies, Inc. USB (rev 81) (prog-if 00
> [UHCI])
> Subsystem: Elitegroup Computer Systems: Unknown device 1884
> Flags: bus master, medium devsel, latency 32, IRQ 11
> I/O ports at d000 [size=32]
> Capabilities: <available only to root>
>
> 00:10.3 USB Controller: VIA Technologies, Inc. USB (rev 81) (prog-if 00
> [UHCI])
> Subsystem: Elitegroup Computer Systems: Unknown device 1884
> Flags: bus master, medium devsel, latency 32, IRQ 11
> I/O ports at d400 [size=32]
> Capabilities: <available only to root>
>
> 00:10.4 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 86) (prog-if
> 20
> [EHCI])
> Subsystem: Elitegroup Computer Systems: Unknown device 1884
> Flags: bus master, medium devsel, latency 32, IRQ 11
> Memory at eb003000 (32-bit, non-prefetchable) [size=256]
> Capabilities: <available only to root>
>
> 00:11.0 ISA bridge: VIA Technologies, Inc.: Unknown device 3227
> Subsystem: Elitegroup Computer Systems: Unknown device 1884
> Flags: bus master, stepping, medium devsel, latency 0
> Capabilities: <available only to root>
>
> 00:11.5 Multimedia audio controller: VIA Technologies, Inc. VT8233 AC97
> Audio Controller (rev 60)
> Subsystem: Elitegroup Computer Systems: Unknown device 1884
> Flags: medium devsel, IRQ 11
> I/O ports at d800 [size=256]
> Capabilities: <available only to root>
>
> 00:12.0 Ethernet controller: VIA Technologies, Inc. VT6102 [Rhine-II] (rev
> 78)
> Subsystem: VIA Technologies, Inc. VT6102 [Rhine II] Embeded
> Ethernet
> Controller on VT8235
> Flags: bus master, medium devsel, latency 32, IRQ 10
> I/O ports at e000 [size=256]
> Memory at eb004000 (32-bit, non-prefetchable) [size=256]
> Capabilities: <available only to root>
>
> 01:00.0 VGA compatible controller: ATI Technologies Inc Radeon R300 NE
> [Radeon 9700] (prog-if 00 [VGA])
> Subsystem: ATI Technologies Inc: Unknown device 0002
> Flags: bus master, stepping, 66Mhz, medium devsel, latency 32, IRQ
> 10
> Memory at d8000000 (32-bit, prefetchable) [size=128M]
> I/O ports at 9000 [size=256]
> Memory at e9000000 (32-bit, non-prefetchable) [size=64K]
> Expansion ROM at <unassigned> [disabled] [size=128K]
> Capabilities: <available only to root>
>
> 01:00.1 Display controller: ATI Technologies Inc: Unknown device 4e65
> Subsystem: ATI Technologies Inc: Unknown device 0003
> Flags: stepping, 66Mhz, medium devsel
> Memory at e0000000 (32-bit, prefetchable) [disabled] [size=128M]
> Memory at e9010000 (32-bit, non-prefetchable) [disabled] [size=64K]
> Capabilities: <available only to root>
>
> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com
> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Andrew
> Kohlsmith
> Sent: Thursday, April 21, 2005 07:05
> To: asterisk-users at lists.digium.com
> Subject: Re: [Asterisk-Users] Line Noise UPDATE - If you've got line
> noise,read this
>
> On April 21, 2005 02:28 am, Andre Normandin wrote:
>> I've experiened the noisy line from both my POTS lines (Digit Networks
>> X101P cards -- 3 of them to be exact) as well as my VOIP provider
>> (Broadvoice)...
>>
>> The problem has also occured in both directions (I.E I originate the
>> call,
>> or someone has called me, again on 2 POTs lines (3rd is fax), as well as
> on
>> my voip line)..
>
> I would *certainly* look at your network or your internet upstream then.
> You
> may also want to try Dial(IAX2/echo at switch-1.nufone.net) -- it's a free
> call;
> it is Nufone's echo() application on their main termination switch. Call
> it
>
> from your SIP phone and talk away (I find doing Darth Vader-style
> breathing
> is both quiet and gives very good feedback)... See if you hear sputtering
> or
> chopping then it very likely has nothing to do with your X101Ps... You
> might
> want to remove one to see if that helps as well (i.e. have only one Zap
> card
>
> in your system).
>
> As I mentioned earlier, have you taken a look at your internal network and
> your internet uplink? Are your switches full or half duplex? Are they
> switches or hubs? What is the network utilization like when these
> problems
> are at their worst? Can you get stats on data rate and collisions from
> your
>
> network equipment? These are all important things to be able to measure
> to
> try and solve this problem, especially since you have revealed that it
> doesn't seem to have anythign to do with the TDM interface (your X101Ps).
>
> Finally, can you post your 'cat /proc/interrupts' output?
>
> -A.
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