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Thanks Michael,<br>
<br>
I've already been through all that unfortunately, and I have a SATA
drive, so no UDMA mode 2 as far as I know. I'm currently trying
everything again anyway, but i doubt it will work if nothing worked the
first time.<br>
<br>
Anyone would know of issues with XEN or SMP (or both) kernel? Do dual
core AMD64 processors have issues?<br>
<br>
François.<br>
<br>
<br>
<br>
Michael L. Young wrote:
<blockquote cite="mid057301c79641$fea734c0$5002a8c0@acsacc.com"
type="cite">
<pre wrap="">François,
I too had a similar problem and found the information on this page helpful:
<a class="moz-txt-link-freetext" href="http://www.voip-info.org/wiki/view/Asterisk+PCI+bus+Troubleshooting">http://www.voip-info.org/wiki/view/Asterisk+PCI+bus+Troubleshooting</a>
What ended up working for me was changing the UDMA to mode 2 for the hard
drive. Once I did that, this card has worked perfectly for me.
Michael L. Young
</pre>
<blockquote type="cite">
<pre wrap="">-----Original Message-----
From: <a class="moz-txt-link-abbreviated" href="mailto:asterisk-users-bounces@lists.digium.com">asterisk-users-bounces@lists.digium.com</a> [<a class="moz-txt-link-freetext" href="mailto:asterisk-users">mailto:asterisk-users</a>-
<a class="moz-txt-link-abbreviated" href="mailto:bounces@lists.digium.com">bounces@lists.digium.com</a>] On Behalf Of François Delawarde
Sent: Monday, May 14, 2007 10:24 AM
To: <a class="moz-txt-link-abbreviated" href="mailto:asterisk-users@lists.digium.com">asterisk-users@lists.digium.com</a>
Subject: [asterisk-users] zaptel huge irq problem
Hello,
I had noticed strange crackling sound on my phone calls going through my
zaptel device (TDM400P), so i decided to check on possible timer issue,
and found lots of issues on forums concerning the sensibility of zaptel
with IRQs, and tried about everything: moving PCI slots, noapic and
acpi=off boot options, play with different kernel options:
iosched/preemption/timer/..., play with BIOS PCI options, change
priorities, PCI latencies, IRQ balance, smp_afinity, ................
but impossible to come up with anything correcting that problem.
Any idea about this? Is it possible to force the timer to ztdummy (RTC
timer) when you have a zap card plugged in? It's the only thing i could
try to make it work.
Thanks,
François.
Just in case:
- Linux 2.6.18 with debian patches and xen enabled, asterisk running on
dom0.
- Here is my zttest results under a bit of load:
# ./zttest
Opened pseudo zap interface, measuring accuracy...
99.609375% 99.609375% 99.218750% 99.316406% 99.804688% 99.414062%
99.121094%
99.511719% 99.121094% 99.316406% 99.707031% 99.707031% 98.730469%
99.414062% 99.902344%
99.218750% 100.000000% 99.414062% 98.828125% 99.218750% 99.316406%
98.449707% 100.000000%
- The card DOES NOT seem to share interrupts (checked also with lspci):
# cat /proc/interrupts
CPU0 CPU1
1: 1626 0 Phys-irq i8042
6: 3 0 Phys-irq floppy
8: 0 0 Phys-irq rtc
9: 0 0 Phys-irq acpi
14: 63 0 Phys-irq ide0
16: 1 0 Phys-irq libata, eth3
17: 6762583 0 Phys-irq libata
18: 13789 0 Phys-irq libata
19: 33459690 0 Phys-irq eth1
20: 19864325 0 Phys-irq sky2, eth0
21: 269250881 0 Phys-irq wctdm
256: 77735119 0 Dynamic-irq timer0
257: 3986325 0 Dynamic-irq resched0
258: 37 0 Dynamic-irq callfunc0
259: 0 4652748 Dynamic-irq resched1
260: 0 139 Dynamic-irq callfunc1
261: 0 28924306 Dynamic-irq timer1
262: 1021 0 Dynamic-irq xenbus
263: 0 0 Dynamic-irq console
NMI: 0 0
LOC: 0 0
ERR: 0
MIS: 0
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<p class="line"> _________________________</p>
<p class="name">François Delawarde</p>
<p class="title">Ingeniero de red</p>
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href="mailto:fdelawarde@wirelessmundi.com">fdelawarde@wirelessmundi.com</a></p>
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