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[Xen-bugs] [Bug 59] Hypervisor enters infinite loop at boot with "(XEN)

To: xen-bugs@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-bugs] [Bug 59] Hypervisor enters infinite loop at boot with "(XEN) APIC error on CPU0: 02(02)"
From: bugzilla-daemon@xxxxxxxxxxxxxxxxxxx
Date: Mon, 30 May 2005 20:01:53 +0000
Delivery-date: Mon, 30 May 2005 20:01:58 +0000
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http://bugzilla.xensource.com/cgi-bin/bugzilla/show_bug.cgi?id=59





------- Additional Comments From kaf24@xxxxxxxxxxxx  2005-05-30 20:01 -------
The APIC is disabled at reset -- it is up to the BIOS to explicitly enable it, 
and uniprocessor BIOSes 
generally do not bother. 

Please try once again to boot the native Linux kernel that you tried out, but 
this time add 'lapic' to the 
kernel command line. This will cause it to enable the APIC, and I expect you 
will then get a slew of the 
same error messages that Xen has been giving you.

If Linux does give APIC error messages then this will confirm that the bug is 
not in Xen, but in your 
hardware. There are a couple of possible workarounds that we can try out if 
this is the case.




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