[ale] uptime weirdness

[jonathan at xcorps.net (Jonathan Rickman)]

On Thursday 28 August 2003 12:11, Jim Popovitch wrote:
> Ok, I have this box that has been online and functioning for ~500 days.
> It's nice and secure, so I don't suspect any hack etc (crossing fingers).
> Three days ago uptime reported 498 days. :)  Today I logged in expecting
> to see 501, but all I see is this:
>
> ~uptime
>   8:55am  up 2 days, 19:06,  1 user,  load average: 0.41, 0.50, 0.54
>
> ~cat /proc/uptime
> 242297.24 36336792.17
>
> I appears that there is some flakiness on older kernels (this one is
> 2.2.16) that causes uptime to wrap around (signed integer?).  Does
> anybody know this for sure?

Yes. There is a known bug in certain versions that rolls the uptime over 
sometime between 497 and 500 days. I do not know the specifics, but I 
remember seeing the discussion on LKML.

-- 
Jonathan Rickman
X Corps Security
http://www.xcorps.net


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