restrict initial stack space expansion to rlimit - the processkiller...

[PaweÅ Sikora]

Hi all,

i'm currently testing the 2.6.32.9 and observing random process killing
on my builder machine (x86-64) which contains several tcl/bash
scripts for svn checkout, compilation, archive and ftp deploying.

here's a fragment of build log:

(...)
[CXX] obj-release-i486-gnu-linux/genMappingRst.o
[CXX] obj-release-i486-gnu-linux/otelloVerdiThread.o
i486-gnu-linux-g++: Internal error: Killed (program as)
Please submit a full bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[1]: *** [obj-release-i486-gnu-linux/genMappingRst.o] Error 1

the builder process tree looks like this:

$ pstree -Acl
?---screen-+-bash---loop.sh-+-loop.sh---tclsh8.4---temp_9_12676174---tclsh8.4---temp_3_12676174---tclsh8.4---temp_4_12676174---tclsh8.4---temp_9_12676176---make---make-+-sh---ccache---x86_64-gnu-linu-+-as
             |
|
|                               `-cc1plus
             |
|
`-sh---ccache---x86_64-gnu-linu-+-as
             |
|
`-cc1plus
             |                `-tee
             `-bash---pstree


as you can see there're few levels of bash and tclsh(8.4)
and make/ccache/binutils/g++ workers at the bottom.

i've noticed that rolling back to the 2.6.32.8 (or just reverting
the 'ulimit -s' commit: 35e2093d5d7b632c083af3578c05876375828314)
fixes the problem.

so, is it my stack ulimit (8192) to small, or maybe the new limit
calculations are wrong? shoud i bump the stack limit for new kernels?

please CC me on reply.

BR,
Pawel.
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