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kdump: Modify kdump script to stop firmware assisted dump

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During service kdump stop, if firmware assisted dump is enabled
and running,  then stop firmware assisted dump by echo'ing 0 to
'/sys/kernel/fadump_registered' file.

Signed-off-by: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>
Signed-off-by: Hari Bathini <hbathini@linux.vnet.ibm.com>
Acked-by: Vivek Goyal <vgoyal@redhat.com>
This commit is contained in:
Hari Bathini 2014-07-25 00:09:00 +05:30 committed by WANG Chao
parent 734790aa75
commit 9f7b8b03b4
1 changed files with 33 additions and 6 deletions
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39
kdumpctl
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@ -736,18 +736,45 @@ start()
echo "Starting kdump: [OK]"
}
stop()
stop_fadump()
{
echo 0 > $FADUMP_REGISTER_SYS_NODE
if check_current_fadump_status; then
echo "fadump: failed to unregister"
return 1
fi
echo "fadump: unregistered successfully"
return 0
}
stop_kdump()
{
$KEXEC -p -u 2>/dev/null
if [ $? == 0 ]; then
echo "kexec: unloaded kdump kernel"
echo "Stopping kdump: [OK]"
return 0
else
if [ $? != 0 ]; then
echo "kexec: failed to unload kdump kernel"
return 1
fi
echo "kexec: unloaded kdump kernel"
return 0
}
stop()
{
if [ $DEFAULT_DUMP_MODE == "fadump" ]; then
stop_fadump
else
stop_kdump
fi
if [ $? != 0 ]; then
echo "Stopping kdump: [FAILED]"
return 1
fi
echo "Stopping kdump: [OK]"
return 0
}
if [ ! -f "$KDUMP_CONFIG_FILE" ]; then