Messages in this thread | ![/](/images/icornerl.gif) | | Date | Sun, 21 Dec 2003 19:47:09 +0100 | From | Octave <> | Subject | Re: lot of VM problem with 2.4.23 |
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> How much swap do you have in your system? > > This is happening because the system is unable to free memory (you > probably ran out of swap for some reason).
Marcelo, You can run this easy script. 2.4.19 takes about 30 minutes to kill all process. 2.4.23 takes about 60 minutes.
I think, server crashs when VM kills a process like watchdog (why ?).
Octave
# head -n 100000 /dev/urandom > file # cat > full.pl #!/usr/bin/perl
open (F,"file");@F=<F>;close(F); for (;;) { push @F,@F; } # chmod 755 full.pl # for i in `seq 1 100`; do ./full.pl & done [1] 767 [2] 768 [3] 769 [4] 770 [5] 771 [...]
# tail -f /var/log/messages Dec 21 18:55:32 stock kernel: __alloc_pages: 0-order allocation failed (gfp=0x1d2/0) Dec 21 18:55:32 stock kernel: VM: killing process full.pl Dec 21 18:55:37 stock kernel: __alloc_pages: 0-order allocation failed (gfp=0x1d2/0) Dec 21 18:55:37 stock kernel: VM: killing process full.pl
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