[Bugs] [Bug 1250786] New: linux kvm vm will hang somtimes when execute dd command

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1250786

            Bug ID: 1250786
           Summary: linux kvm vm  will  hang somtimes when execute dd
                    command
           Product: GlusterFS
           Version: 3.7.3
         Component: libgfapi
          Severity: high
          Assignee: bugs at gluster.org
          Reporter: fengjian at itianyi.com
        QA Contact: sdharane at redhat.com
                CC: bugs at gluster.org, gluster-bugs at redhat.com



Description of problem:

in linux kvm guest vm:
#dd if=/dev/zero of=./abc.img bs=200M count=100
vm  will  hang somtimes.

Version-Release number of selected component (if applicable):
glusterfs 3.7.3

How reproducible:
setup centos6.5(Installation process will also hang).
Multiple execute:
#dd if=/dev/zero of=./abc.img bs=200M count=100
During the execution of the command, multiple clicks on the Desktop Menu.

Steps to Reproduce:
1.
2.
3.

Actual results:


Expected results:


Additional info:

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