Thanks Michael,
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.
Anyone would know of issues with XEN or SMP (or both) kernel? Do dual
core AMD64 processors have issues?
François.
Michael L. Young wrote:
François,
I too had a similar problem and found the information on this page helpful:
http://www.voip-info.org/wiki/view/Asterisk+PCI+bus+Troubleshooting
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
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:asterisk-users-
[EMAIL PROTECTED] On Behalf Of François Delawarde
Sent: Monday, May 14, 2007 10:24 AM
To: asterisk-users@lists.digium.com
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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--
_________________________
François Delawarde
Ingeniero de red
Tel: 918.03.92.51
E-mail: [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
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