[Xen-bugs] [Bug 541] New: Dom0 crashes when starting a 39th DomU

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http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=541

           Summary: Dom0 crashes when starting a 39th DomU
           Product: Xen
           Version: 2.0
          Platform: x86
        OS/Version: Linux-2.6
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Hypervisor
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: Tobias.Lindinger@xxxxxx


Whenever I try to start a 39th DomU my Dom0 is crashing and rebooting.
I am running xen 2.0.7 on SuSE 9.3 (not the one that is included in SuSE).
There is no hint in /var/log/messages whats going on, /var/log/xend-debug.log 
ends up with "Creating vbd dom=39 uname=file:/home/images/pcsec39.img".
All other domains are based on the same configuration skript and are working 
fine. All DomUs are based on two File Backed VBDs. (One is acting as a virtual 
CD-ROM). I tried to disable the CD-ROM to reduce the amount of loop devices 
used, but it makes no difference. All is working fine up to Domain 38. When I 
start Dom 39, everything crashes.
My PC is a Dual Opteron with 4GB of RAM. SuSE Linux is installed in 32-Bit Mode.

Thanks for helping.
Tobias

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