Issues with FlowCleaner on a spam server.
b.smeelen at ose.nl
Wed Oct 6 08:28:04 UTC 2010
On 10/06/2010 09:40 AM, perikillo wrote:
> Hi my friends I have a big issue that I still cannot track what is
> causing that my server stop working.
may be this bug?
a "fix" is also in the report
> I have a spam gateway running:
> bacula client
> apcupsd client
> My server is running freebsd 8.0-p2 AMD64. Raid-1.
> Copyright (c) 1992-2009 The FreeBSD Project.
> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
> The Regents of the University of California. All rights reserved.
> FreeBSD is a registered trademark of The FreeBSD Foundation.
> FreeBSD 8.0-RELEASE-p2 #5: Mon May 10 23:23:20 PDT 2010
> root at filter.oakwest.com:/usr/obj/usr/src/sys/SPAMKER
> Timecounter "i8254" frequency 1193182 Hz quality 0
> CPU: Intel(R) Xeon(R) CPU E3110 @ 3.00GHz (2999.68-MHz K8-class CPU)
> Origin = "GenuineIntel" Id = 0x1067a Stepping = 10
> AMD Features=0x20100800<SYSCALL,NX,LM>
> AMD Features2=0x1<LAHF>
> TSC: P-state invariant
> real memory = 4294967296 (4096 MB)
> avail memory = 4119261184 (3928 MB)
> ACPI APIC Table: <090208 APIC1432>
> FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
> FreeBSD/SMP: 1 package(s) x 2 core(s)
> cpu0 (BSP): APIC ID: 0
> cpu1 (AP): APIC ID: 1
> For some reason that I still don't know, amavisd stop working, the
> port no longer answer any inbound, postfix, spamd, clamd works,
> amavisd is the issue normally.
> My server can work for a month, each weekend I update the ports and
> upgrade my packages, spamd rules every month are updated.
> No issue here, suddenly after a month or 4-5 weeks the server stop
> working, amavisd stop doing the job, I can access the server via ssh
> and see the issue.
> This is the 4th time that happens.
> My IDLE goes to 50%, when I start debugging I see a process called
> "FlowCleaner" eating 1 CPU.
> Always got the PID 20, looks like a internal process, I have been
> searching info about this process but not to much info.
> I cannot kill this process, I can restart clamd, spamd, apache,
> bacula, but amavisd is stuck.
> If I send a shutdown -r now won't work, my server just hang-up, if I
> press the power button won't work to.
> I have to do a cold reboot, I don't have other choice.
> I have read logs but don't see any issue (maillog, console, all, message).
> One thing to mention, is that every time this happen, my server fan's
> are working more faster that usual, the first day I detect this I
> create a batch that send every 5 minutes the core temperature using
> freebsd coretemp.ko module.
> Avg. I got 40'c for each core:
> dev.cpu.0.temperature: 42.0C
> dev.cpu.1.temperature: 41.0C
> I search around on Intel site and this chip max temp. is 70'c, I had
> never seen this number on my emails, the biggest number had been 54'c
> and this appear before my server got crazy yesterday:
> dev.cpu.0.temperature: 53.0C
> dev.cpu.1.temperature: 49.0C
> Something is causing this, a spam attack, memory leak mmm I had not
> seen my server use the whole 4GB ever.
> My friends, what do u you recommend to me to track this?
> Any input will be very appreciated, I got 1 month to track this before
> this happen again, thanks!
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