[Xen-bugs] [Bug 666] New: gettimeofday02 1 FAIL : Time is going backwards (old 1145696453.61428 vs new 1145696453.60660!

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http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=666

           Summary: gettimeofday02 1 FAIL : Time is going backwards (old
                    1145696453.61428 vs new 1145696453.60660!
           Product: Xen
           Version: unstable
          Platform: x86-64
        OS/Version: Linux
            Status: NEW
          Severity: major
          Priority: P2
         Component: HVM
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: esmith@xxxxxxxxxxxxxxx


The ltp test gettimeofday02 fails on a RHEL4U2-32bit 1CPU UP kernel guest
(non-PAE) on a 64bit 1CPU (nosmp) Hypervisor.  This test passes on real
hardware and on 64bit guests.

Test Configuration:
Dell Precision WorkStation 380, Dual Core, 2GB, 3 SATA (Intel VT)
64bit XEN Hypervisor on a RHEL4U2 64bit root (/dev/sda)
32bit fully virtualized (HVM) guest RHEL4U2 256MB (/dev/sdb)
      pae=1, acpi=1, apic=1

Test Log:
Time            Level   Message
05:00:50        INFO    Reporting status: 'Test Running' for test:
ltp_gettimeofday02
05:00:52        INFO    Preparing to run test 'ltp_gettimeofday02' using
profile: /qa/conductor/profiles/ltp/syscalls/gettimeofday02.xml
05:00:52        INFO    Starting test 'ltp_gettimeofday02' using profile:
/qa/conductor/profiles/ltp/syscalls/gettimeofday02.xml
05:00:52        INFO    Dispatching operation: RemoteShell
05:00:52        FINE    Client sequencer got message requesting the start of a
new test: ltp_gettimeofday02
05:00:52        FINER   Client sequencer sent message of type: 4 with seq num:
1 of size: 289 bytes
05:00:52        FINER   Client sequencer handling new operation from control
sequencer
05:00:52        FINE    Client sequencer looking for class:
com.katana.conductor.operations.RemoteShell
05:00:52        INFO    Operation RemoteShell running
05:00:52        FINE    Client sequencer was told that an operation is now
running
05:00:52        INFO    RemoteShell: target node(s) = vs177
05:00:52        INFO    ssh: /usr/bin/ssh root@vs177 cd
/qa/conductor/tests/ltp/testcases/bin; gettimeofday02
05:00:52        FINE    ssh: waiting for command to finish
05:00:53        INFO       ssh: gettimeofday02 0 INFO : checking if
gettimeofday is monotonous, takes 30s
05:00:53        INFO       ssh: gettimeofday02 1 FAIL : Time is going backwards
(old 1145696453.61428 vs new 1145696453.60660!
05:00:53        FINE    executeShellCmd(ssh): exit value is 1
05:00:53        SEVERE  RemoteShell: command failed with error = 1
05:00:53        SEVERE  Operation RemoteShell failed
05:00:53        SEVERE  Reporting status: 'Test Failed' for test:
ltp_gettimeofday02
05:00:53        FINE    Client sequencer detected operation completed with
status of: Fail
05:00:53        FINER   Client sequencer sent message of type: 5 with seq num:
2 of size: 429 bytes
05:00:53        SEVERE  Crash Collection disabled for queue : RHEL4U2-32b-XEN
05:00:53        INFO    Cleaning up after test


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