I barely remember there was a fix in the kernel related to this. I might be wrong, but it's worth checking on a latest rhel6 stable or testing kernel. 11.07.2012 3:54 пользователь "Mark Johanson" <[email protected]> написал:
> Linux solusvm.a2hosting.com 2.6.32-042stab053.5 #1 SMP Tue Mar 27 > vzctl version 3.3 > vswap is enabled > > Since upgrading to a 2.6.32 kernel one of our users noticed that they > are occasionally getting a Floating Point Exception when running vmstat: > > [root@server ~]# vmstat 1 5 > procs -----------memory---------- ---swap-- -----io---- --system-- > -----cpu------ > r b swpd free buff cache si so bi bo in cs us sy > id wa st > 0 0 0 2048244 0 32816 0 0 0 2 0 7627 0 0 > 99 0 0 > 0 0 0 2048236 0 32816 0 0 0 0 0 110 0 0 > 100 0 0 > 0 0 0 2048236 0 32816 0 0 0 0 0 78 0 0 > 100 0 0 > 0 0 0 2048236 0 32816 0 0 0 0 0 91 0 0 > 100 0 0 > Floating point exception > > It doesn't happen every time as you can see here: > > [root@server ~]# vmstat 1 10 > procs -----------memory---------- ---swap-- -----io---- --system-- > -----cpu------ > r b swpd free buff cache si so bi bo in cs us sy > id wa st > 0 0 0 2068584 0 12472 0 0 0 0 0 1745 0 0 > 100 0 0 > 0 0 0 2068576 0 12472 0 0 0 0 0 82 0 0 > 100 0 0 > 0 0 0 2068576 0 12472 0 0 0 0 0 77 0 0 > 100 0 0 > 0 0 0 2068576 0 12472 0 0 0 0 0 109 0 0 > 100 0 0 > 0 0 0 2068576 0 12472 0 0 0 0 0 92 0 0 > 100 0 0 > 0 0 0 2068576 0 12472 0 0 0 0 0 80 0 0 > 100 0 0 > 0 0 0 2068576 0 12472 0 0 0 0 0 87 0 0 > 100 0 0 > 0 0 0 2068576 0 12472 0 0 0 0 0 66 0 0 > 100 0 0 > 0 0 0 2068588 0 12472 0 0 0 0 0 130 0 0 > 100 0 0 > 0 0 0 2068588 0 12472 0 0 0 0 0 72 0 0 > 100 0 0 > > I have been able to replicate this issue in other OS templates (theirs > is Ubuntu 11.10, but I have replicated in Ubuntu, Fedora, Centos, > etc...) running the same kernel and vzctl version. > > I can not replicate this issue on the node. > > Wondering if anyone else has run across this issue and/or knows what > might be causing it. > > _______________________________________________ > Users mailing list > [email protected] > https://openvz.org/mailman/listinfo/users >
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