[ale] System losing memory

Jim ale_nospam at fayettedigital.com
Wed May 2 09:34:50 EDT 2007


cfowler wrote:
> With top -b he sees it all so I don't think it is on another page.
>
> I had this problem in the past.  It turned out to be a driver that was
> not doing a kfree() for each kmalloc().  The only fix was to restart the
> system to free the memory.  
>
> If you go into single user mode do you get that memory used back?
>   
It's remote so I don't have easy access to the console.  I'll have to 
arrange that.
> Try pmap and see what each process is using.
>   
I looped through all the processes with a short perl script and applied 
pmap to each.  The results were consistent with the output of ps and 
top.  No surprises.  I'm guessing the kernel is eating it up somehow.  
Nothing strange about it however:

Linux version 2.6.9-42.0.10.plus.c4 (mockbuild at builder4.centos.org) (gcc 
version 3.4.6 20060404 (Red Hat 3.4.6-3)) #1 Tue Feb 27 16:24:55 EST 2007


>
>   
Thanks,

Jim.



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