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[Xen-bugs] [Bug 194] New: Kernel BUG at "drivers/xen/blkfront/blkfront.c

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Subject: [Xen-bugs] [Bug 194] New: Kernel BUG at "drivers/xen/blkfront/blkfront.c":95
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Date: Sun, 28 Aug 2005 10:31:06 +0000
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           Summary: Kernel BUG at "drivers/xen/blkfront/blkfront.c":95
           Product: Xen
           Version: unstable
          Platform: x86-64
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Guest-OS
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: rvl@xxxxxxxxxxx
                CC: rvl@xxxxxxxxxxx

Last pull of hg was patch of :  Fri Aug 26 15:06:49 2005

in my xen0 and xenU i disabled


To resolve bugzilla bug id 176

When i boot my domU on amd64 (debian unstable)
i get during startup in xend.log:

[2005-08-27 20:21:06 xend] DEBUG (image:153) initDomain: cpu=-1 mem_kb=131072
ssidref=-1 dom=3
[2005-08-27 20:21:06 xend] DEBUG (XendDomainInfo:780) init_domain> Created
domain=3 name=samba-ha memory=128
[2005-08-27 20:21:06 xend] INFO (XendRoot:141) EVENT> xend.domain.create
['samba-ha', 3]
[2005-08-27 20:21:06 xend] INFO (image:208) buildDomain os=linux dom=3 vcpus=1
[2005-08-27 20:21:06 xend] INFO (xsobj:326) DBMap>introduceDomain> 3 5882
<EventChannel dom1:0:18 dom2:3:2> /domain/838ae36b-66f8$[2005-08-27 20:21:06
end] DEBUG (XendDomainInfo:640) writing key availability=online to path /cpu/0
in store
[2005-08-27 20:21:06 xend] WARNING (XendDomainInfo:1032) Unknown config field 
[2005-08-27 20:21:06 xend] WARNING (XendDomainInfo:1032) Unknown config field
[2005-08-27 20:21:06 xend] ERROR (XendDomainInfo:425) ['vif', ['mac',
'aa:00:00:7e:cb:8c'], ['bridge', 'xen-br0']]
[2005-08-27 20:21:06 xend] ERROR (XendDomainInfo:445) aa:00:00:7e:cb:8c
[2005-08-27 20:21:06 xend] INFO (XendRoot:141) EVENT> xend.domain.unpause
['samba-ha', 3]

But my domain works fine. After a while (+/- 5 or 8 minutes the following
message appears:
 (i'm not sure if the n/ testing main was generated by the bug, i was 
  editting /etc/apt/sources.list when it happend)

 ----------- [cut here ] --------- [please bite here ] ---------
 Kernel BUG at "drivers/xen/blkfront/blkfront.c":95n/ testing main
 invalid operand: 0000 [1] SMP
 CPU 0 Modules linked in: md5 ipv6 ext3 jbd
 Pid: 30, comm: pdflush

The domain stops responding on console and network. xm list shows:
   samba-ha           3      128    0      1   -----   2496.0

xm top shows:
   3 ------       2739   98.4     131072    6.3     131072       6.3     1    1
        110     3422    0

so it's pretty musy doing something...

any more info needed?
kind regards,

Robin van Leeuwen

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