kblockd and hald-addon-stor were blocked for more than 120s repeatedly.
Issue
- Our customer encountered an issue that following messages were logged repeatedly.
Oct 10 02:49:12 server02 kernel: INFO: task kblockd/0:30 blocked for more than 120 seconds.
Oct 10 02:49:12 server02 kernel: INFO: task hald-addon-stor:4821 blocked for more than 120 seconds.
Oct 10 02:51:12 server02 kernel: INFO: task kblockd/0:30 blocked for more than 120 seconds.
Oct 10 02:51:12 server02 kernel: INFO: task hald-addon-stor:4821 blocked for more than 120 seconds.
Oct 10 02:53:12 server02 kernel: INFO: task kblockd/0:30 blocked for more than 120 seconds.
Oct 10 02:53:12 server02 kernel: INFO: task hald-addon-stor:4821 blocked for more than 120 seconds.
Oct 10 02:55:12 server02 kernel: INFO: task kblockd/0:30 blocked for more than 120 seconds.
Oct 10 02:55:12 server02 kernel: INFO: task hald-addon-stor:4821 blocked for more than 120 seconds.
Oct 10 02:57:12 server02 kernel: INFO: task kblockd/0:30 blocked for more than 120 seconds.
Oct 10 02:57:12 server02 kernel: INFO: task hald-addon-stor:4821 blocked for more than 120 seconds.
- The customer is using remote media implemented by BMC(Baseboard Management Controller)feature. According to the customer, he faced this issue just after resetting BMC.
- Could you investigate cause of this issue?
Environment
- Red Hat Enterprise Linux 6.2
- kernel-2.6.32-220.el6.x86_64
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