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Diffstat (limited to 'results/scraper/launchpad-without-comments/1312668')
| -rw-r--r-- | results/scraper/launchpad-without-comments/1312668 | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/results/scraper/launchpad-without-comments/1312668 b/results/scraper/launchpad-without-comments/1312668 new file mode 100644 index 00000000..d9631f80 --- /dev/null +++ b/results/scraper/launchpad-without-comments/1312668 @@ -0,0 +1,53 @@ +x86 cpu nx feature: guest reboots after migrate exec + +Using instruction on +http://www.linux-kvm.org/page/Migration +I save VM state to external file and try load it, but VM starts, shows saved screen and reboots immediatly. + +Cmdline for vm state saving: + +$ sudo ./i386-softmmu/qemu-system-i386 -machine accel=kvm,kernel_irqchip=on -enable-kvm -m 512 -hda image.raw -vga std -net none -M pc -monitor stdio -cpu SandyBridge +(or -cpu "n270" , or "kvm32,+sse2,+pae,+nx") + +Monitor cmd: +(qemu) stop +(qemu) migrate_set_speed 4095m +(qemu) migrate "exec:gzip -c > STATEFILE.gz" +(qemu) q + +Cmdline for vm state loading: + +$ sudo ./i386-softmmu/qemu-system-i386 -machine accel=kvm,kernel_irqchip=on -enable-kvm -m 512 -hda image.raw -vga std -net none -M pc -monitor stdio -cpu SandyBridge -incoming "exec: gzip -c -d STATEFILE.gz" +(or -cpu "n270" , or "kvm32,+sse2,+pae,+nx") + +If I do the same without NX cpu feature (-cpu option "n270,-nx" / "SandyBridge,-nx" / "kvm32,+pae,+sse2") or on qemu-system-x86_64, VM save/load works correctly. + +Log kvm-all.c, DEBUG_KVM=y: + +QEMU 2.0.0 monitor - type 'help' for more information +(qemu) kvm_init_vcpu +...handle_io.../...handle_mmio... +kvm_cpu_exec() +shutdown +kvm_cpu_exec() +interrupt exit requested +io window exit +kvm_cpu_exec() + +Host: + + $ lsb_release -rd + Description: Ubuntu 12.04.4 LTS + Release: 12.04 + + $ uname -a + Linux <username> 3.8.0-38-generic #56~precise1 SMP Tue Apr 22 12:46:44 MSK 2014 x86_64 x86_64 x86_64 GNU/Linux + +Guest: + 1. Ubuntu 12.04 32bit + 2. WIndows 8 32bit + +Qemu: v2.0.0 +commit a9e8aeb3755bccb7b51174adcf4a3fc427e0d147 +Author: Peter Maydell <email address hidden> +Date: Thu Apr 17 13:41:45 2014 +0100 \ No newline at end of file |