qemu_map_cache_init nr_buckets = 10000 size 4194304
shared page at pfn feff0
buffered io page at pfn feff1
Guest uuid = a257e1b1-1928-49ba-9805-ada2fdf84208
Register xen platform.
Done register platform.
platform_fixed_ioport: changed ro/rw state of ROM memory area. now is rw state.
xs_read(device-model/20/xen_extended_power_mgmt): read error
cirrus vga map change while on lfb mode
mapping video RAM from f0000000
platform_fixed_ioport: changed ro/rw state of ROM memory area. now is ro state.
medium change watch on `hdc' (index: 1): aio:/root/186366.test-amd64-amd64-xl-qemut-debianhvm-amd64.debianhvm-empty.iso
I/O request not ready: 0, ptr: 0, port: 0, data: 0, count: 0, size: 0
Log-dirty: no command yet.
I/O request not ready: 0, ptr: 0, port: 0, data: 0, count: 0, size: 0
vcpu-set: watch node error.
[xenstore_process_vcpu_set_event]: /local/domain/20/cpu has no CPU!
xs_read(/local/domain/20/log-throttling): read error
qemu: ignoring not-understood drive `/local/domain/20/log-throttling'
medium change watch on `/local/domain/20/log-throttling' - unknown device, ignored
Unknown PV product 3 loaded in guest
PV driver build 1
region type 1 at [c100,c200).
region type 0 at [f3001000,f3001100).
squash iomem [f3001000, f3001100).
[  787.782816] xen:grant_table: Grant tables using version 1 layout
[  787.815871] usb usb1: root hub lost power or was reset
[  788.019400] ata2: found unknown device (class 0)
[  788.120406] usb 1-2: reset full-speed USB device number 2 using uhci_hcd
[  788.426699] OOM killer enabled.
[  788.431151] Restarting tasks ... done.
[  788.450666] xen_netfront: backend supports XDP headroom
[  788.460728] Setting capacity to 20480000
Log-dirty command enable
Log-dirty: no command yet.
[  829.258609] Freezing user space processes
[  829.270717] Freezing user space processes completed (elapsed 0.006 seconds)
[  829.280484] OOM killer disabled.
[  829.285387] Freezing remaining freezable tasks
[  829.292874] Freezing remaining freezable tasks completed (elapsed 0.001 seconds)
dm-command: pause and save state
device model saving state
Log-dirty command disable
Log-dirty: no command yet.