Re: oom_killer crash linux system

KOSAKI Motohiro
2010-10-18T09:10:08Z

>
> i want to test the oom-killer. My desktop (Dell optiplex 780, i686
> kernel)have 2GB ram, i turn off the swap partition, and open a huge pdf
> files and applications, and let the system eat huge ram.
>
> in 2.6.35, i can use ram up to 1.75GB,
>
> but in 2.6.36-rc8, i just use to 1.53GB ram , the system come very slow
> and crashed after some minutes , the DiskIO is very busy. i see the
> DiskIO read is up to 8MB/s, write just only 400KB/s, (see by conky).
>
> what change between 2.6.35 to 2.6.36-rc8? is it low performance about
> page reclaim and page writeback in high press ram useage?

very lots of change ;)
can you please send us your crash log?