[Fedora-xen] KVM: unhandled exception

[John Summerfield]

Avi Kivity wrote:
> John Summerfield wrote:
>> [root at potoroo ~]# /usr/bin/qemu-kvm -M pc -m 128 -smp 1 -monitor pty 
>> -no-acpi -boot c -hda /var/lib/xen/images/rto-test.img -net 
>> nic,macaddr=00:16:3e:31:8a:8f,vlan=0 -net tap,fd=13,script=,vlan=0 
>> -usb -usbdevice tablet -vnc 0.0.0.0:0
>> char device redirected to /dev/pts/35
>> unhandled vm exit:  0x9
>> rax 000000000000001f rbx 000000000003f530 rcx 00000000000000ff rdx 
>> 000000000000001f
>> rsi 0000000000000000 rdi 0000000000000063 rsp 000000000003f40c rbp 
>> 000000000003f458
>> r8  0000000000000000 r9  0000000000000000 r10 0000000000000000 r11 
>> 0000000000000000
>> r12 0000000000000000 r13 0000000000000000 r14 0000000000000000 r15 
>> 0000000000000000
>> rip 000000008051ecc3 rflags 00010246
>> cs 0008 (00000000/ffffffff p 1 dpl 0 db 1 s 1 type b l 0 g 1 avl 0)
>> ds 0023 (00000000/ffffffff p 1 dpl 3 db 1 s 1 type 3 l 0 g 1 avl 0)
>> es 0023 (00000000/ffffffff p 1 dpl 3 db 1 s 1 type 3 l 0 g 1 avl 0)
>> ss 0010 (00000000/ffffffff p 1 dpl 0 db 1 s 1 type 3 l 0 g 1 avl 0)
>> fs 0030 (ffdff000/00001fff p 1 dpl 0 db 1 s 1 type 3 l 0 g 1 avl 0)
>> gs 0000 (00000000/0000ffff p 1 dpl 0 db 0 s 1 type 3 l 0 g 0 avl 0)
>> tr 0028 (80042000/000020ab p 1 dpl 0 db 0 s 0 type b l 0 g 0 avl 0)
>> ldt 0000 (00000000/ffffffff p 0 dpl 0 db 0 s 0 type 0 l 0 g 0 avl 0)
>> gdt 8003f000/3ff
>> idt 8003f400/7ff
>> cr0 e0000011 cr2 63 cr3 305000 cr4 20 cr8 0 efer 0
>> Aborted
>> [root at potoroo ~]#
>>
>>
>> I created the file /var/lib/xen/images/rto-test.img by installing 
>> Windows XP to the point it reboots.
>>
> 
> Did you also install it with -no-acpi?  What happens if you drop that 
> option?
> 

That commandline is copied from virt-manager's log, where it was 
accompanied by similar, maybe exactly the same, registers dump and the 
same error.


What I'm seeking is information about what the error means; without it 
users have almost no chance of fixing the problem themselves.


Without "-no-acpi" it runs at 105% or so CPU. vncviewer::5900 connects 
but does not open a window.
[root at potoroo ~]# lsof -i | grep -E '*:5[0-9]{3}\>'
xinetd    2180    root    5u  IPv6   7547       TCP *:5902 (LISTEN)
Xvnc      2456    root    5u  IPv4   8354       TCP *:5966 (LISTEN)
Xvnc      2456    root    6u  IPv4   8355       TCP *:5866 (LISTEN)
Xvnc      2456    root   48u  IPv4  22337       TCP 
localhost.localdomain:5966->localhost.localdomain:47032 (ESTABLISHED)
Xvnc      2500  summer    5u  IPv4   8473       TCP *:5903 (LISTEN)
Xvnc      2500  summer    6u  IPv4   8474       TCP *:5803 (LISTEN)
vncviewer 5533  summer    4u  IPv4  22336       TCP 
localhost.localdomain:47032->localhost.localdomain:5966 (ESTABLISHED)
qemu-kvm  5604    root    8u  IPv4  22589       TCP *:5900 (LISTEN)
vncviewer 5615    root    4u  IPv4  22608       TCP 
localhost.localdomain:34608->localhost.localdomain:5900 (ESTABLISHED)
[root at potoroo ~]#



-- 

Cheers
John

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