[Xen-bugs] [Bug 578] New: xmtest block tests fail because they are unable to verify with /proc/partitions

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http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=578

           Summary: xmtest block tests fail because they are unable to
                    verify with /proc/partitions
           Product: Xen
           Version: unstable
          Platform: All
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Guest-OS
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: pl@xxxxxxxxxx
                CC: niv@xxxxxxxxxx


Several tests in xm-test fail at random, they all seem to be related.  This test
was done on 32-bit x86, but I don't think it matters.  Here is an example of
such a failure:

make[1]: Entering directory
`/usr/local/autobench/var/tmp/xen/xen-unstable.hg/tools/xm-test/tests/block-list'
make  check-TESTS
make[2]: Entering directory
`/usr/local/autobench/var/tmp/xen/xen-unstable.hg/tools/xm-test/tests/block-list'
*** Cleaning all running domU's
[dom0] Running `xm list'
Name                              ID Mem(MiB) VCPUs State  Time(s)
Domain-0                           0      125     1 r-----    66.3
02_block-list_attachbd_pos-1143048511   2       64     1 -b----     0.2
[dom0] Running `xm destroy 02_block-list_attachbd_pos-1143048511'
*** Finished cleaning domUs
*** Test 02_block-list_attachbd_pos started at Wed Mar 22 11:28:54 2006 CDT
[dom0] Running `xm create /tmp/xm-test.conf'
Using config file "/tmp/xm-test.conf".
Started domain 02_block-list_attachbd_pos-1143048534
[dom0] Running `xm domid 02_block-list_attachbd_pos-1143048534'
3
[dom0] Running `xm block-attach 3 phy:/dev/ram0 hda1 w'

[dom0] Running `xm domid 02_block-list_attachbd_pos-1143048534'
3
[dom0] Running `xm block-list 3'
Vdev  BE handle state evt-ch ring-ref BE-path
769    0    0     1      6      8     /local/domain/0/backend/vbd/3/769
Console executing: ['/usr/sbin/xm', 'xm', 'console',
'02_block-list_attachbd_pos-1143048534']
[02_block-list_attachbd_pos-1143048534] Sending `input'
[02_block-list_attachbd_pos-1143048534] Sending `cat /proc/partitions | grep 
hda1'
[02_block-list_attachbd_pos-1143048534] Sending `echo $?'

REASON: Failed to verify that block dev is attached on DomainU
FAIL: 02_block-list_attachbd_pos.test
===================
1 of 1 tests failed
===================
make[2]: *** [check-TESTS] Error 1
make[2]: Leaving directory
`/usr/local/autobench/var/tmp/xen/xen-unstable.hg/tools/xm-test/tests/block-list'
make[1]: *** [check-am] Error 2
make[1]: Leaving directory
`/usr/local/autobench/var/tmp/xen/xen-unstable.hg/tools/xm-test/tests/block-list'
make: *** [check-recursive] Error 1

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