** Description changed:
ulimit -t doesn't work as expected in kernel 2.6.28.
I think it might be some bug imcompatability w/ kernel 2.6.28 --- I want to
file a bug to kernel dev group but just want to check here first. Whenever I
use kernel 2.6.28 (e.g., compile my own vanilla linux source), the problem
occurs. To make sure that it isn't due to my own kernel compilation and
settings, I tried on the latest Ubuntu version (Jaunty, beta) w/ kernel 2.6.28
default, problem occurs again (I didn't touch the kernel of Jaunty at all, it's
the stock default one).
Everything seems fine w/ kernel 2.6.27 (e.g., Intrepid or Hardy) or
lower. Also note that dash / bash doesn't seem to be the problem
(i.e., ulimit should work w/ both dash and bash).
Below is an example to reproduce the bug.
file: ulimit_test.sh
#!/bin/bash
ulimit -t 1
perl -e 'while(true){}'
exit 0
sh ulimit_test.sh : expected: process is killed after 1 sec,
but w/ 2.6.28: it doesn't get killed at all -- loop forever.
+
+
+ Update: okay it is a kernel related bug ->
+ http://patchwork.kernel.org/patch/13605/ and a patch is being worked
+ on.
--
ulimit -t doesn't work in Ubuntu 09.04 (beta) 2.6.28-11-generic
https://bugs.launchpad.net/bugs/361508
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