[quagga-dev 8956] Re: Strange logs

Stig stig at ubnt.com
Sat Nov 26 23:33:27 GMT 2011


If you have a multi-core system, you could change the interrupt
smp-affinity so that some core/thread is not used for handling network
interrupts.

On Sat, Nov 26, 2011 at 11:35 AM, Sami Halabi <sodynet1 at gmail.com> wrote:
> Hi,
> Lately i see strange messages on my /var/log, i use FBSD-8.1-R with Quagga
> 0.99.17
> Nov 26 19:28:50 bgpServer watchquagga[1394]: zebra state -> unresponsive :
> no response yet to ping sent 10 seconds ago
> Nov 26 19:28:57 bgpServer zebra[88251]: SLOW THREAD: task zebra_client_read
> (102aae0) ran for 21313ms (cpu time 1ms)
> Nov 26 19:28:57 bgpServer watchquagga[1394]: zebra: slow echo response
> finally received after 16.449412 seconds
> Nov 26 19:29:12 bgpServer watchquagga[1394]: zebra state -> unresponsive :
> no response yet to ping sent 10 seconds ago
> Nov 26 19:29:12 bgpServer watchquagga[1394]: bgpd state -> unresponsive : no
> response yet to ping sent 10 seconds ago
> Nov 26 19:29:15 bgpServer zebra[88251]: SLOW THREAD: task zebra_client_read
> (102aae0) ran for 17260ms (cpu time 0ms)
> Nov 26 19:29:15 bgpServer watchquagga[1394]: zebra: slow echo response
> finally received after 13.707425 seconds
> Nov 26 19:29:15 bgpServer bgpd[79850]: SLOW THREAD: task bgp_read (10675d0)
> ran for 17095ms (cpu time 5ms)
> Nov 26 19:29:15 bgpServer watchquagga[1394]: bgpd: slow echo response
> finally received after 13.700411 seconds
> Nov 26 19:29:30 bgpServer watchquagga[1394]: bgpd state -> unresponsive : no
> response yet to ping sent 10 seconds ago
> Nov 26 19:29:30 bgpServer watchquagga[1394]: zebra state -> unresponsive :
> no response yet to ping sent 10 seconds ago
> Nov 26 19:29:34 bgpServer bgpd[79850]: SLOW THREAD: task bgp_read (10675d0)
> ran for 16281ms (cpu time 0ms)
> Nov 26 19:29:34 bgpServer zebra[88251]: SLOW THREAD: task zebra_client_read
> (102aae0) ran for 16276ms (cpu time 0ms)
> Nov 26 19:29:34 bgpServer watchquagga[1394]: bgpd: slow echo response
> finally received after 13.585467 seconds
> Nov 26 19:29:34 bgpServer watchquagga[1394]: zebra: slow echo response
> finally received after 13.496174 seconds
> Nov 26 19:29:49 bgpServer watchquagga[1394]: bgpd state -> unresponsive : no
> response yet to ping sent 10 seconds ago
> Nov 26 19:29:49 bgpServer watchquagga[1394]: zebra state -> unresponsive :
> no response yet to ping sent 10 seconds ago
> Nov 26 19:29:54 bgpServer watchquagga[1394]: Forked background command [pid
> 79871]: /usr/local/etc/quagga/service bgpd stop
> Nov 26 19:30:00 bgpServer watchquagga[1394]: bgpd state -> down : read
> returned EOF
> Nov 26 19:30:00 bgpServer watchquagga[1394]: Forked background command [pid
> 79875]: /usr/local/etc/quagga/service zebra restart
> Nov 26 19:30:01 bgpServer watchquagga[1394]: Forked background command [pid
> 79879]: /usr/local/etc/quagga/service bgpd start
> Nov 26 19:30:01 bgpServer watchquagga[1394]: Phased global restart has
> completed.
> Nov 26 19:30:01 bgpServer zebra[88251]: SLOW THREAD: task zebra_client_read
> (102aae0) ran for 24850ms (cpu time 0ms)
> Nov 26 19:30:01 bgpServer watchquagga[1394]: zebra: slow echo response
> finally received after 21.684171 seconds
> Nov 26 19:30:01 bgpServer bgpd[79885]: BGPd 0.99.17 starting: vty at 2605,
> bgp@<all>:179
> Nov 26 19:30:05 bgpServer watchquagga[1394]: bgpd state -> up : connect
> succeeded
> Nov 26 19:30:06 bgpServer watchquagga[1394]: zebra state -> up : echo
> response received after 0.065503 seconds
> Nov 26 19:30:21 bgpServer watchquagga[1394]: zebra state -> unresponsive :
> no response yet to ping sent 10 seconds ago
> Nov 26 19:30:35 bgpServer zebra[88251]: SLOW THREAD: task zebra_client_read
> (102aae0) ran for 24767ms (cpu time 43ms)
> Nov 26 19:30:35 bgpServer watchquagga[1394]: zebra: slow echo response
> finally received after 24.512305 seconds
> Nov 26 19:30:40 bgpServer watchquagga[1394]: zebra state -> up : echo
> response received after 0.004419 seconds
>
> Lately i pass 2-3GB of traffic daliy maybe its related? moreover I have 10G
> Dual card base 82599-EB card connected to a 10GB Switch.
> Why these messages arrive? does that mean i have something wrong?
> /etc/sysctl.conf
> net.inet.flowtable.enable=0
> net.inet.ip.fastforwarding=1
> kern.ipc.somaxconn=8192
> kern.ipc.shmmax=2147483648
> kern.ipc.maxsockets=204800
> kern.ipc.maxsockbuf=262144
> kern.maxfiles=256000
> kern.maxfilesperproc=230400
> net.inet.ip.dummynet.pipe_slot_limit=1000
> net.inet.ip.dummynet.io_fast=1
> #10Gb sysctls
> hw.intr_storm_threshold=9000
> kern.ipc.nmbclusters=262144
> kern.ipc.nmbjumbop=262144
> dev.ix.0.rx_processing_limit=4096
> dev.ix.1.rx_processing_limit=4096
>
> Thanks in advance,
> --
> Sami Halabi
> Information Systems Engineer
> NMS Projects Expert
>
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>



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