Hello: A good way to know if your card is losing IRQs is too use the tool "zttol" that comes with zaptel. Greetings, Tom?s. --- Kai Militzer <km@xxxxxxxxxxx> escribi?: > Hi, > > Paul Cadach wrote: > > You mix CRC4 (which is used to check CAS > signalling/framing consistency) and > > CRC16/CRC32 (which is used to check HDLC frame > consistency). > > > Looks like interrupt/CPU load is high which causes > raw time slot data looses. > > The assumption with a lot of interrupts causing this > problem seems to be > right. See the following output of vmstat (the first > is the system with > the problems, the second a system without the > problem (also running > chan_ss7)). On the system with the problem there is > a mass of interrupts. > > ss7-gate1:~# vmstat -n 1 > procs -----------memory---------- ---swap-- > -----io---- --system-- > ----cpu---- > r b swpd free buff cache si so bi > bo in cs us > sy id wa > 0 0 0 9260 82860 862476 0 0 2 > 2 3 4 0 > 1 98 0 > 0 0 0 9260 82860 862476 0 0 0 > 0 2014 0 0 > 0 100 0 > 1 1 0 9260 82868 862468 0 0 0 > 80 2169 0 0 > 1 99 0 > 0 0 0 9260 82868 862468 0 0 0 > 0 2019 0 0 > 0 100 0 > 0 0 0 9260 82868 862468 0 0 0 > 48 2104 0 0 > 1 99 0 > 0 0 0 9260 82868 862468 0 0 0 > 0 2009 0 3 > 5 92 0 > 0 0 0 9260 82868 862468 0 0 0 > 0 2006 0 0 > 7 93 0 > 0 0 0 9260 82868 862468 0 0 0 > 236 2481 0 2 > 3 95 0 > 0 0 0 9260 82868 862468 0 0 0 > 0 2007 0 0 > 0 100 0 > 0 0 0 9196 82868 862468 0 0 0 > 60 2129 0 0 > 0 98 1 > 0 0 0 9196 82868 862468 0 0 0 > 0 2007 0 0 > 0 100 0 > > > ss7-gate2:~# vmstat -n 1 > procs -----------memory---------- ---swap-- > -----io---- --system-- > ----cpu---- > r b swpd free buff cache si so bi > bo in cs us > sy id wa > 4 0 0 5572 54844 142156 0 0 9 > 8 10 10 3 > 8 89 0 > 0 0 0 5572 54844 142156 0 0 0 > 0 0 0 1 > 1 98 0 > 0 0 0 5572 54844 142156 0 0 0 > 0 0 0 8 > 35 57 0 > 0 0 0 5572 54844 142156 0 0 0 > 0 0 0 0 > 0 100 0 > 0 0 0 5572 54844 142156 0 0 0 > 0 0 0 0 > 0 100 0 > 0 0 0 5572 54848 142156 0 0 0 > 40 0 0 0 > 0 100 0 > 0 0 0 5588 54848 142156 0 0 0 > 0 0 0 0 > 0 100 0 > 0 0 0 5588 54848 142156 0 0 0 > 0 0 0 1 > 1 98 0 > 0 0 0 5588 54848 142156 0 0 0 > 0 0 0 7 > 36 57 0 > 0 0 0 5588 54848 142156 0 0 0 > 0 0 0 0 > 0 100 0 > > And here the interrupts: > > ss7-gate1:/var/log/asterisk# cat /proc/interrupts > CPU0 CPU1 > 0: 986934556 0 IO-APIC-edge timer > 1: 1649 0 IO-APIC-edge i8042 > 7: 2 0 IO-APIC-edge > parport0 > 9: 0 0 IO-APIC-level acpi > 14: 182607673 347 IO-APIC-edge ide0 > 50: 0 0 PCI-MSI pciehp > 177: 0 0 IO-APIC-level uhci_hcd > 185: 0 0 IO-APIC-level > uhci_hcd, ehci_hcd > 193: 986078651 0 IO-APIC-level > uhci_hcd, wct2xxp > 201: 0 0 IO-APIC-level uhci_hcd > 209: 2640734 0 IO-APIC-level eth1 > 225: 23208735 0 IO-APIC-level eth0 > NMI: 0 0 > LOC: 986900234 986900230 > ERR: 0 > MIS: 0 > > Regards, > Kai > > -- > Kai Militzer WESTEND GmbH | > Internet-Business-Provider > Technik CISCO Systems Partner - > Authorized Reseller > L?tticher Stra?e 10 > Tel 0241/701333-14 > km@xxxxxxxxxxx D-52064 Aachen > Fax 0241/911879 > > _______________________________________________ > --Bandwidth and Colocation provided by Easynews.com > -- > > asterisk-ss7 mailing list > To UNSUBSCRIBE or update options visit: > > http://lists.digium.com/mailman/listinfo/asterisk-ss7 > ___________________________________________________________ 1GB gratis, Antivirus y Antispam Correo Yahoo!, el mejor correo web del mundo http://correo.yahoo.com.ar
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