[asterisk-users] Re: RE : Re: RE : SIP/IAX peers UNREACHABLE and audio loss

[Edoardo Serra]

f6hqz-m at hamwlan.net ha scritto:
> Have you taken care of any eventual IRQ sharing ?

I don't think so. (how cuold I detect it ? )

Servers are not self assembled but brand machines
They have no other pci cards
(some of them have, but the problem happens also between server with no 
added pci cards)

this is my /proc/interrupts

# cat /proc/interrupts
            CPU0       CPU1       CPU2       CPU3
   0:  486589652   44037074  667253957   76390228    IO-APIC-edge  timer
   8:          2          0          0          0    IO-APIC-edge  rtc
   9:          0          0          0          0   IO-APIC-level  acpi
  10:          0          0          0          0   IO-APIC-level 
ohci_hcd:usb1
  14:      22211          0   26603304          0    IO-APIC-edge  ide0
  15:   22977880          0          0    3575943    IO-APIC-edge  ide1
  16: 1526340728 1176101099  992391841 1707199189   IO-APIC-level  eth0
  17:   98016813     642505   96119508    2349025   IO-APIC-level  eth1
NMI:          0          0          0          0
LOC: 1274300159 1274300179 1274300196 1274300195
ERR:          0
MIS:          0

My kernel is a

# uname -ar
Linux switch1 2.6.18-gentoo-r6 #1 SMP Wed Jan 24 21:08:48 CET 2007 i686 
Intel(R) Xeon(TM) CPU 3.20GHz GenuineIntel GNU/Linux

Tnx for attention

Edoardo

> 
> -----Message d'origine-----
> De : asterisk-users-bounces at lists.digium.com
> [mailto:asterisk-users-bounces at lists.digium.com] De la part de Edoardo Serra
> Envoyé : samedi 24 mars 2007 20:27
> À : asterisk-users at lists.digium.com
> Objet : [asterisk-users] Re: RE : SIP/IAX peers UNREACHABLE and audio loss
> 
> 
> Martin Joseph ha scritto:
>> The fact that qualify fails means you have a network issue.  The same
>> reason qualify fails (ie servers can't communicate) is the reason your 
>> users are experiencing quality issues in call.
> 
> It was also my first though, but my LAN is very SIMPLE, so I was 
> wondering if something else could cause the problem.
> 
>> turn off Qualify isn't going to fix anything IMO.  It's just going to
>> hide it from you.
> 
> You're probably right, but it depends on Asterisk internals (which I 
> don't know well).
> If Asterisk would stop to send RTP audio when just a qualify packet get 
> lost it can make the situation worst.
> 
>> If the asterisk servers are all on your LAN then the network issue
>> should be easily fixable.
> 
> It should, but my LAN is very simple...
> I have a 10/100 Mbit switch with no more than 15 servers on it.
> 
> Traffic on the LAN is not heavy even if the time of the day I see in the 
> logs make me think it could be an issue related to network load trafic
> 
> Anyhow I'll try to generate some heavy traffic on the LAN to see if it 
> could be related to that.
> 
> I also noticed that this problem began to happen when I upgraded my 
> Asterisk to 1.2, but it can be a concidence.
> 
> Do you think it could be related to bugs in ethernet drivers, kernel or 
> whatever at the OS level ??
> 
>    If the Asterisk servers are at remote
>> locations and are using public internet, you might have problems
>> resolving this completely.
> 
> We have some Asterisk spread all over the public Internet, but firstly 
> we should solve this problem at a LAN level
> 
> Tnx for attention
> 
> Regards
> 
>> Marty
>>
>>
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