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#!/bin/sh
#
# This check if we can crash the kernel with segmentation-fault
# by reading /sys/kernel/debug/dri/0/i915_emon_status too quickly
#
if [ -d /debug/dri ] ; then
debugfs_path=/debug_dri
fi
if [ -d /sys/kernel/debug/dri ] ; then
debugfs_path=/sys/kernel/debug/dri
fi
i915_path=x
for dir in `ls $debugfs_path` ; do
if [ -f $debugfs_path/$dir/i915_error_state ] ; then
i915_path=$debugfs_path/$dir
break
fi
done
if [ $i915_path = "x" ] ; then
echo i915 debugfs path not found.
exit 1
fi
for z in $(seq 1 1000); do
cat $i915_path/i915_emon_status > /dev/null
done
# If we got here, we haven't crashed
exit 0
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