[Bug 681141] Re: kvm 1.84 hangs (host 32 bit meerkat, guest created by vmbuilder)

[Bart Hanssens]

Same issue, also on Intel machine with 32-bit Meerkat host and Meerkat
guest.

Installation with 32-bit Ubuntu 10.10 iso worked just fine, but after
the VM reboot, the guest machine displays the Grub menu (and stays
there, does not seem to time-out as expected) while CPU of the host goes
to 100%.

Selecting the first item on the menu does not boot the VM: virt-manager
just displays a black screen (I've tried to boot the VM with options
like vga=771, nosplash etc, removed "quiet", different driver) but
nothing seems to work.

Host: 2.6.35-23-generic-pae #41-Ubuntu SMP i686  (also on 2.6.35-22)

qemu-kvm-0.12.5
libvirtd (libvirt) 0.8.3

processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 15
model name      : Intel(R) Xeon(R) CPU            5130  @ 2.00GHz
stepping        : 6
cpu MHz         : 2000.406
cache size      : 4096 KB
physical id     : 0
siblings        : 2
core id         : 0
cpu cores       : 2
apicid          : 0
initial apicid  : 0
fdiv_bug        : no
hlt_bug         : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 10
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe lm constant_tsc arch_perfmon pebs bts aperfmperf pni dtes64 monitor ds_cpl vmx tm2 ssse3 cx16 xtpr pdcm dca lahf_lm dts tpr_shadow
bogomips        : 4000.81
clflush size    : 64
cache_alignment : 64
address sizes   : 36 bits physical, 48 bits virtual
power management:

(same for the second CPU)


However, the exact same (32-bit) image works just fine on a  *64-bit*
Ubuntu 10.10, dual CPU

2.6.35-22-generic #35-Ubuntu SMP  x86_64

processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 15
model name	: Intel(R) Core(TM)2 CPU         T5600  @ 1.83GHz
stepping	: 2
cpu MHz		: 1000.000
cache size	: 2048 KB
physical id	: 0
siblings	: 2
core id		: 0
cpu cores	: 2
apicid		: 0
initial apicid	: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 10
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm lahf_lm tpr_shadow
bogomips	: 3657.46
clflush size	: 64
cache_alignment	: 64
address sizes	: 36 bits physical, 48 bits virtual

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https://bugs.launchpad.net/bugs/681141

Title:
  kvm 1.84 hangs (host 32 bit meerkat, guest created by vmbuilder)