[ale] Memory leak (hacked?)

David Corbin dcorbin at machturtle.com
Wed Apr 7 07:15:27 EDT 2004


On Wednesday 07 April 2004 06:55, David Corbin wrote:
> I have had my public server develop a sudden memory leak.   (Honest - it is
> sudden - I've done nothing to that system recently).  I keep ending up with
> the following kernel message: __alloc_pages: 0-order allocation failed
> (gfp=0xf0/0)  repeatedly.
>
> When I reboot this morning, I watch top, and sure enough, you could see the
> memory steadily creeping upwards.  This happens even when I boot into
> single user mode, and have ridiculously free processes:
>
>   PID TTY      STAT   TIME COMMAND
>     1 ?        S      0:03 init [S]
>     2 ?        SW     0:00 [keventd]
>     3 ?        SWN    0:00 [ksoftirqd_CPU0]
>     4 ?        SW     0:00 [kswapd]
>     5 ?        SW     0:00 [bdflush]
>     6 ?        SW     0:00 [kupdated]
>     9 ?        SW     0:00 [khubd]
>    13 ?        SW     0:00 [kjournald]
>    96 ?        SW     0:00 [kjournald]
>    97 ?        SW     0:00 [kreiserfsd]
>   125 ?        S      0:00 /sbin/portmap
>   174 tty1     S      0:00 init [S]
>   175 tty1     S      0:00 bash
>   179 tty1     R      0:00 ps ax
>
> I'm running 2.4.23
>
> I can only think to (a) upgrade the kernel, or (b) reinstall (ugh).  Anyone
> have other ideas?
>
> Fixing this is very important to me, as it's my email server...

I even have nice little MRTG graph that shows it "going wild" starting late on 
Monday. 
-- 
David Corbin <dcorbin at machturtle.com>



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