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Don't enable dynamic debug during integration tests on older rhels

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RHELs older than 7.7 are missing 5279631271b3 "module: fix ddebug_remove_module()"
which leads to a crash if dynamic debug is used with livepatching.
Disable recent dynamic debug addition on those distros.

Signed-off-by: Artem Savkov <asavkov@redhat.com>
This commit is contained in:
Artem Savkov 2020-06-30 09:17:30 +02:00
parent a6e8fd84cc
commit 3fc97d75c3
1 changed files with 15 additions and 3 deletions
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18
test/integration/kpatch-test
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@ -50,6 +50,7 @@ KPATCHBUILD="$ROOTDIR"/kpatch-build/kpatch-build
ERROR=0
LOG=test.log
DYNDEBUG_CONTROL=/sys/kernel/debug/dynamic_debug/control
DYNDEBUG_ENABLED=1
rm -f ./*.log
PATCHDIR="${PATCHDIR:-$PWD}"
@ -282,6 +283,13 @@ run_combined_test() {
}
# shellcheck disable=SC1091
source /etc/os-release
if [[ "${ID}" == "rhel" && "${VERSION_ID%%.*}" == "7" && "${VERSION_ID##*.}" -le "6" ]]; then
DYNDEBUG_ENABLED=0
echo "Dynamic debug is not supported on '${PRETTY_NAME}', disabling."
fi
echo "clearing printk buffer"
sudo dmesg -C
@ -295,8 +303,10 @@ build_combined_module
unload_all
prev_dyndebug=$(grep klp_try_switch_task "${DYNDEBUG_CONTROL}" | awk '{print $3;}')
echo "func klp_try_switch_task +p" >"${DYNDEBUG_CONTROL}" 2>/dev/null
if [ "${DYNDEBUG_ENABLED}" == "1" ]; then
prev_dyndebug=$(grep klp_try_switch_task "${DYNDEBUG_CONTROL}" | awk '{print $3;}')
echo "func klp_try_switch_task +p" >"${DYNDEBUG_CONTROL}" 2>/dev/null
fi
if [[ $QUICK != 1 ]]; then
for file in "${PATCH_LIST[@]}"; do
@ -318,7 +328,9 @@ fi
unload_all
echo "func klp_try_switch_task ${prev_dyndebug}" >"${DYNDEBUG_CONTROL}" 2>/dev/null
if [ "${DYNDEBUG_ENABLED}" == "1" ]; then
echo "func klp_try_switch_task ${prev_dyndebug}" >"${DYNDEBUG_CONTROL}" 2>/dev/null
fi
if dmesg | grep -q "Call Trace"; then
dmesg > dmesg.log