command failed: blockdev --getsz [#, @active_table=#, @active_table=#]>>, 0]>]>>

[simonxuhao]

Error:test_parallel_io_to_shared_thins(SnapshotTests): ProcessControl::ExitError: command failed: blockdev --getsz [#, @active_table=#, @active_table=#]>>, 0]>]>>, #, @active_table=#, @active_table=#]>>, 1]>]>>, #, @active_table=#, @active_table=#]>>, 2]>]>>, #, @active_table=#, @active_table=#]>>, 3]>]>>, #, @active_table=#, @active_table=#]>>, 4]>]>>, #, @active_table=#, @active_table=#]>>, 5]>]>>] /root/device-mapper-test-suite/lib/dmtest/process.rb:103:in wait' /root/device-mapper-test-suite/lib/dmtest/process.rb:119:inreallyrun' /root/device-mapper-test-suite/lib/dmtest/process.rb:124:in `run' /root/device-mapper-test-suite/lib/dmtest/process.rb:142:in system' /root/device-mapper-test-suite/lib/dmtest/utils.rb:11:indev_size' /root/device-mapper-test-suite/lib/dmtest/utils.rb:57:in dt_device' /root/device-mapper-test-suite/lib/dmtest/tests/thin-provisioning/snapshot_tests.rb:174:inblock (4 levels) in ' /root/device-mapper-test-suite/lib/dmtest/thinp-mixin.rb:213:in `block (2 levels) in in_parallel'