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2018 Jan 10
1
soft lockup after set multicast_router of bridge and it's port to 2
OS: CentOS 6.5.
After I set multicast_router of bridge and it's port to 2, like following:
echo 2 > /sys/devices/virtual/net/eth81/bridge/multicast_router
echo 2 > /sys/devices/virtual/net/bond2/brport/multicast_router
Then soft lockup occured:
Message from syslogd at node-0 at Jan 9 15:47:12 ...
kernel:BUG: soft lockup - CPU#0 stuck for 61s! [swapper:0]
And the call trace is
RIP: 0010:[<ffffffffa04f360...