At 10:46 PM 12/3/2009, Zaphod Beeblebrox wrote:
I'm still investigating this, but my quagga is locking hard on FreeBSD 8.0
and not locking hard on 7.2. It seems (at this early point in the
investigation) that both bgpd and zebra are wedging and zebra is listed as
being in the "RUN" state.
curiously, the load is also 4.0 (exactly the number of cores in the machine)
even though the machine also reads 100% idle.
I think I am seeing something similar on a test box. I was loading
up the box with 200k routes to do testing with. Kernel is default,
save for a few unused drivers removed. If I take out
options FLOWTABLE # per-cpu routing cache
from the kernel, load avg is back to normal. This issue only seems
to have come up in the past week or so as the previous kernel from ~8
days ago was OK.
last pid: 6229; load
averages: 2.00, 2.00, 2.00
up 1+17:33:02 09:39:31
141 processes: 7 running, 106 sleeping, 28 waiting
CPU: 0.0% user, 0.0% nice, 22.2% system, 0.0% interrupt, 77.8% idle
Mem: 98M Active, 2233M Inact, 187M Wired, 36K Cache, 112M Buf, 979M Free
Swap: 8192M Total, 8192M Free
PID USERNAME PRI NICE SIZE RES STATE C TIME WCPU COMMAND
22 root 76 - 0K 8K CPU3 3 41.5H 100.00% flowcleaner
11 root 171 ki31 0K 32K CPU2 2 41.5H 100.00% {idle: cpu2}
11 root 171 ki31 0K 32K CPU1 1 41.5H 100.00% {idle: cpu1}
11 root 171 ki31 0K 32K RUN 0 41.4H 100.00% {idle: cpu0}
869 root 4 0 64860K 64488K select 0 4:12 0.00% bgpd
11 root 171 ki31 0K 32K RUN 3 2:09 0.00% {idle: cpu3}
20 root 44 - 0K 8K syncer 0 1:00 0.00% syncer
12 root -32 - 0K 224K WAIT 1 0:47 0.00% {swi4: clock}
0 root -68 0 0K 80K - 2 0:03 0.00% {fw0_taskq}
1230 root 76 0 3348K 1160K ttyin 2 0:02 0.00% getty
863 root 96 0 24640K 24232K RUN 2 0:02 0.00% zebra
12 root -32 - 0K 224K WAIT 2 0:01 0.00% {swi4: clock}
14 root -16 - 0K 8K - 0 0:01 0.00% yarrow
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Mike Tancsa, tel +1 519 651 3400
Sentex Communications, m...@sentex.net
Providing Internet since 1994 www.sentex.net
Cambridge, Ontario Canada www.sentex.net/mike
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