Eric Sandeen wrote:
> When running 228 with abrt on in rhel6, I was getting different
> output due to a (core dumped) message on SIGXFSZ. For some reason
> I wasn't able to use sed to filter it, and just ulimit -c 0 didn't
> suppress it either.
>
> abrt sets the core pattern to:
>
> "|/usr/libexec/abrt-hook-ccpp /var/spool/abrt %p %s %u %c""
>
> which apparently allows core dumps even if ulimit -c is 0, due
> to the pipe.
>
> Temporarily changing the kernel's core pattern to just plain "core"
> and setting ulimit -c to 0 does suppress it. These are reset to
> original values after the test is run.
>
> Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxxx>
hm ping on this one?
> ---
>
> --- 228.orig 2010-06-09 11:13:27.000000000 -0400
> +++ 228 2010-06-09 11:19:57.000000000 -0400
> @@ -31,6 +31,8 @@
> {
> cd /
> rm -f $tmp.*
> + sysctl -w kernel.core_pattern="$core_pattern" &>/dev/null
> + ulimit -c $ulimit_c
> }
>
> here=`pwd`
> @@ -58,6 +60,12 @@
> avail=`df -P $TEST_DIR | awk 'END {print $4}'`
> [ "$avail" -ge 104000 ] || _notrun "Test device is too small ($avail KiB)"
>
> +# Suppress core dumped messages
> +core_pattern=`sysctl kernel.core_pattern | awk -F = '{print $NF}'`
> +ulimit_c=`ulimit -c`
> +sysctl -w kernel.core_pattern=core &>/dev/null
> +ulimit -c 0
> +
> # Set the FSIZE ulimit to 100MB and check
> ulimit -f 102400
> flim=`ulimit -f`
>
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