Date: Sat, 5 Dec 2009 02:21:57 -0800 From: "K. Macy" <kmacy@freebsd.org> To: Mike Tancsa <mike@sentex.net> Cc: Zaphod Beeblebrox <zbeeble@gmail.com>, FreeBSD Stable <freebsd-stable@freebsd.org> Subject: Re: Quggaa locking hard. Message-ID: <A8EC428D-22DD-4717-9040-527385E5BE14@freebsd.org> In-Reply-To: <200912041456.nB4Eu8oN017070@lava.sentex.ca> References: <5f67a8c40912031946v1ab3efua5e43bd7d767361a@mail.gmail.com> <200912041456.nB4Eu8oN017070@lava.sentex.ca>
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What is the simplest way to reproduce this? Although flowtable is not =
expected to help your use case, it should not cripple it.
-Kip
On Dec 4, 2009, at 6:56 AM, Mike Tancsa wrote:
> 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.
>>=20
>> curiously, the load is also 4.0 (exactly the number of cores in the =
machine)
>> even though the machine also reads 100% idle.
>=20
>=20
> 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.
>=20
> 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
>=20
> 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
>=20
>> _______________________________________________
>> freebsd-stable@freebsd.org mailing list
>> http://lists.freebsd.org/mailman/listinfo/freebsd-stable
>> To unsubscribe, send any mail to =
"freebsd-stable-unsubscribe@freebsd.org"
>=20
> --------------------------------------------------------------------
> Mike Tancsa, tel +1 519 651 3400
> Sentex Communications, mike@sentex.net
> Providing Internet since 1994 www.sentex.net
> Cambridge, Ontario Canada www.sentex.net/mike
>=20
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