Re: KVM: unhandled exception

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Avi Kivity wrote:
John Summerfield wrote:
[root@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@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@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@potoroo ~]#



--

Cheers
John

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