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Re: OpenVZ Crashing [message #40173 is a reply to message #38493]

Mon, 26 July 2010 08:10

vali.dragnuta
Messages: 6
Registered: December 2005
Location: Romania

Junior Member

I just had a server crash (more like hang/became non responsive )
and the last error in the logs was
Route hash chain too long!
Adjust your secret_interval!

No oops, no kernel panic.
The kernel was the same as the OP, so i fully upgraded to the last ovzkernel (centos 5 64 bit ). (2.6.18-194.8.1.el5.028stab070.2)
Now right after the reboot, i got in the logs more of the same error :
Route hash chain too long!
Adjust your secret_interval!
Route hash chain too long!
Adjust your secret_interval!
Route hash chain too long!
Adjust your secret_interval!
Route hash chain too long!
Adjust your secret_interval!
lo: 5 rebuilds is over limit, route caching disabled

As far as I understand newer kernels should not have that issue.
What I did not understand however is if "not having the issue" means a). "the system will not hang/crash" or b). "that route cache problem should not happen at all"

If it's a), it's good that the error will not cause another crash, but however I am curious why that error appears and why now. That server (and others i have) works in the same conditions for quite some time and we never saw that error before. What exactly triggers it ?

If it's b), then either the last kernels reintroduced the problem or the issue was not fixed at all. Is anybody aware of this and what workarounds exist ?

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[Message index]

		OpenVZ Crashing By: andre on Sat, 26 December 2009 13:51
		Re: OpenVZ Crashing By: kir on Sat, 26 December 2009 20:19
		Re: OpenVZ Crashing By: TheWiseOne on Thu, 31 December 2009 15:17
		Re: OpenVZ Crashing By: frog252 on Fri, 01 January 2010 13:23
		Re: OpenVZ Crashing By: digitallinx on Fri, 22 January 2010 17:54
		Re: OpenVZ Crashing By: TheWiseOne on Fri, 01 January 2010 15:23
		Re: OpenVZ Crashing By: AnVir on Sun, 03 January 2010 19:26
		Re: OpenVZ Crashing By: AnVir on Sun, 03 January 2010 19:29
		Re: OpenVZ Crashing By: andre on Mon, 04 January 2010 17:20
		Re: OpenVZ Crashing By: rcmc_ronny on Tue, 05 January 2010 09:58
		Re: OpenVZ Crashing By: BigLupu on Fri, 08 January 2010 08:42
		Re: OpenVZ Crashing By: andre on Mon, 18 January 2010 23:08
		Re: OpenVZ Crashing By: rcmc_ronny on Tue, 19 January 2010 08:07
		Re: OpenVZ Crashing By: kir on Wed, 20 January 2010 13:24
		Re: OpenVZ Crashing By: andre on Tue, 02 February 2010 23:54
		Re: OpenVZ Crashing By: vali.dragnuta on Mon, 26 July 2010 08:10
		Re: OpenVZ Crashing By: MikeDVB on Fri, 13 August 2010 16:01
		Re: OpenVZ Crashing By: maratrus on Fri, 13 August 2010 16:58
		Re: OpenVZ Crashing By: MikeDVB on Fri, 13 August 2010 17:03
		Re: OpenVZ Crashing By: maratrus on Fri, 13 August 2010 17:14
		Re: OpenVZ Crashing By: MikeDVB on Fri, 13 August 2010 17:17
		Re: OpenVZ Crashing By: maratrus on Fri, 13 August 2010 17:29
		Re: OpenVZ Crashing By: MikeDVB on Fri, 13 August 2010 17:38
		Re: OpenVZ Crashing By: maratrus on Fri, 13 August 2010 17:46
		Re: OpenVZ Crashing By: MikeDVB on Fri, 13 August 2010 17:57
		Re: OpenVZ Crashing By: MikeDVB on Tue, 17 August 2010 18:08

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