mirror of
https://github.com/brain-hackers/linux-brain.git
synced 2024-06-09 15:26:21 +09:00
623c86840e
[ Upstream commit 3db380570af7052620ace20c29e244938610ca71 ] The == operand is a bash extension, thus this will fail on Ubuntu with: ./eeh-basic.sh: 89: test: 2: unexpected operator As the /bin/sh on Ubuntu is pointed to DASH. Use -eq to fix this posix compatibility issue. Fixes: 996f9e0f93f162 ("selftests/powerpc: Fix eeh-basic.sh exit codes") Signed-off-by: Po-Hsu Lin <po-hsu.lin@canonical.com> Reviewed-by: Frederic Barrat <fbarrat@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20201228043459.14281-1-po-hsu.lin@canonical.com Signed-off-by: Sasha Levin <sashal@kernel.org>
86 lines
2.1 KiB
Bash
Executable File
86 lines
2.1 KiB
Bash
Executable File
#!/bin/sh
|
|
# SPDX-License-Identifier: GPL-2.0-only
|
|
|
|
KSELFTESTS_SKIP=4
|
|
|
|
. ./eeh-functions.sh
|
|
|
|
if ! eeh_supported ; then
|
|
echo "EEH not supported on this system, skipping"
|
|
exit $KSELFTESTS_SKIP;
|
|
fi
|
|
|
|
if [ ! -e "/sys/kernel/debug/powerpc/eeh_dev_check" ] && \
|
|
[ ! -e "/sys/kernel/debug/powerpc/eeh_dev_break" ] ; then
|
|
echo "debugfs EEH testing files are missing. Is debugfs mounted?"
|
|
exit $KSELFTESTS_SKIP;
|
|
fi
|
|
|
|
pre_lspci=`mktemp`
|
|
lspci > $pre_lspci
|
|
|
|
# Bump the max freeze count to something absurd so we don't
|
|
# trip over it while breaking things.
|
|
echo 5000 > /sys/kernel/debug/powerpc/eeh_max_freezes
|
|
|
|
# record the devices that we break in here. Assuming everything
|
|
# goes to plan we should get them back once the recover process
|
|
# is finished.
|
|
devices=""
|
|
|
|
# Build up a list of candidate devices.
|
|
for dev in `ls -1 /sys/bus/pci/devices/ | grep '\.0$'` ; do
|
|
# skip bridges since we can't recover them (yet...)
|
|
if [ -e "/sys/bus/pci/devices/$dev/pci_bus" ] ; then
|
|
echo "$dev, Skipped: bridge"
|
|
continue;
|
|
fi
|
|
|
|
# Skip VFs for now since we don't have a reliable way
|
|
# to break them.
|
|
if [ -e "/sys/bus/pci/devices/$dev/physfn" ] ; then
|
|
echo "$dev, Skipped: virtfn"
|
|
continue;
|
|
fi
|
|
|
|
# Don't inject errosr into an already-frozen PE. This happens with
|
|
# PEs that contain multiple PCI devices (e.g. multi-function cards)
|
|
# and injecting new errors during the recovery process will probably
|
|
# result in the recovery failing and the device being marked as
|
|
# failed.
|
|
if ! pe_ok $dev ; then
|
|
echo "$dev, Skipped: Bad initial PE state"
|
|
continue;
|
|
fi
|
|
|
|
echo "$dev, Added"
|
|
|
|
# Add to this list of device to check
|
|
devices="$devices $dev"
|
|
done
|
|
|
|
dev_count="$(echo $devices | wc -w)"
|
|
echo "Found ${dev_count} breakable devices..."
|
|
|
|
failed=0
|
|
for dev in $devices ; do
|
|
echo "Breaking $dev..."
|
|
|
|
if ! pe_ok $dev ; then
|
|
echo "Skipping $dev, Initial PE state is not ok"
|
|
failed="$((failed + 1))"
|
|
continue;
|
|
fi
|
|
|
|
if ! eeh_one_dev $dev ; then
|
|
failed="$((failed + 1))"
|
|
fi
|
|
done
|
|
|
|
echo "$failed devices failed to recover ($dev_count tested)"
|
|
lspci | diff -u $pre_lspci -
|
|
rm -f $pre_lspci
|
|
|
|
test "$failed" -eq 0
|
|
exit $?
|