Re: system resource limit in kernel 2.6

[Peng Yong]

> Peng Yong <ppyy@xxxxxxxxxxx> wrote:
> >
> > 
> > We upgrade one of our production http server, runing apache 1.3.29, to
> > kernel 2.6. some time the main process of apache exit and here is the
> > error log:
> > 
> > [Sat Jan 10 08:48:44 2004] [alert] (11)Resource temporarily unavailable: setuid: unable to change to uid: 65534
> > [Sat Jan 10 08:48:44 2004] [alert] (11)Resource temporarily unavailable: setuid: unable to change to uid: 65534
> > [Sat Jan 10 08:48:44 2004] [alert] (11)Resource temporarily unavailable: setuid: unable to change to uid: 65534
> > [Sat Jan 10 08:48:44 2004] [alert] (11)Resource temporarily unavailable: setuid: unable to change to uid: 65534
> > [Sat Jan 10 08:48:44 2004] [alert] (11)Resource temporarily unavailable: setuid: unable to change to uid: 65534
> > [Sat Jan 10 08:48:44 2004] [alert] (11)Resource temporarily unavailable: setuid: unable to change to uid: 65534
> > 
> > 
> > how can i tuning the kernel and remove the system resource limit?
> > 
> 
> Well the question is: why did behaviour change relative to 2.4?  The kernel
> is saying that uid 65534 has exceeded its RLIMIT_NPROC threshold.
> 
> How may processes is user 65534 actually running, and how much memory does
> the machine have?


we also find a report in the apache user list for the same problem:

http://marc.theaimsgroup.com/?l=apache-httpd-users&m=107330742328001&w=2

now we downgrade the kernel to 2.4.22 with security patch,  all works
fine now.

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