Re: [Libguestfs] Notes on libguestfs with Ubuntu 12.04 (Precise)

On Mon, Apr 16, 2012 at 01:36:03PM +0100, Dale Amon wrote: Does this stop it from booting, or is it just a warning? I see plenty of these, particularly when running experimental kernels. FWIW on my Ubuntu 12.04 VM: $ guestfish -N fs exit $ virt-rescue -a test1.img Could not access KVM kernel module: No such file or directory failed to initialize KVM: No such file or directory Back to tcg accelerator. [ 0.000000] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Linux version 3.2.0-23-generic (buildd@crested) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu4) ) #36-Ubuntu SMP Tue Apr 10 20:39:51 UTC 2012 (Ubuntu 3.2.0-23.36-generic 3.2.14) [ 0.000000] Command line: panic=1 console=ttyS0 udevtimeout=300 no_timer_check acpi=off printk.time=1 cgroup_disable=memory selinux=0 TERM=xterm guestfs_rescue=1 [ 0.000000] KERNEL supported cpus: [ 0.000000] Intel GenuineIntel [ 0.000000] AMD AuthenticAMD [ 0.000000] Centaur CentaurHauls [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: 0000000000000000 - 000000000009bc00 (usable) [ 0.000000] BIOS-e820: 000000000009bc00 - 00000000000a0000 (reserved) [ 0.000000] BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved) [ 0.000000] BIOS-e820: 0000000000100000 - 000000001f3fd000 (usable) [ 0.000000] BIOS-e820: 000000001f3fd000 - 000000001f400000 (reserved) [ 0.000000] BIOS-e820: 00000000fffc0000 - 0000000100000000 (reserved) [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] DMI 2.4 present. [ 0.000000] No AGP bridge found [ 0.000000] last_pfn = 0x1f3fd max_arch_pfn = 0x400000000 [ 0.000000] x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106 [ 0.000000] found SMP MP-table at [ffff8800000fdaf0] fdaf0 [ 0.000000] init_memory_mapping: 0000000000000000-000000001f3fd000 [ 0.000000] RAMDISK: 1f2e9000 - 1f3f0000 [ 0.000000] No NUMA configuration found [ 0.000000] Faking a node at 0000000000000000-000000001f3fd000 [ 0.000000] Initmem setup node 0 0000000000000000-000000001f3fd000 [ 0.000000] NODE_DATA [000000001f3f5000 - 000000001f3f9fff] [ 0.000000] Zone PFN ranges: [ 0.000000] DMA 0x00000010 -> 0x00001000 [ 0.000000] DMA32 0x00001000 -> 0x00100000 [ 0.000000] Normal empty [ 0.000000] Movable zone start PFN for each node [ 0.000000] early_node_map[2] active PFN ranges [ 0.000000] 0: 0x00000010 -> 0x0000009b [ 0.000000] 0: 0x00000100 -> 0x0001f3fd [ 0.000000] SFI: Simple Firmware Interface v0.81 http://simplefirmware.org [ 0.000000] Intel MultiProcessor Specification v1.4 [ 0.000000] MPTABLE: OEM ID: BOCHSCPU [ 0.000000] MPTABLE: Product ID: 0.1 [ 0.000000] MPTABLE: APIC at: 0xFEE00000 [ 0.000000] Processor #0 (Bootup-CPU) [ 0.000000] IOAPIC[0]: apic_id 1, version 17, address 0xfec00000, GSI 0-23 [ 0.000000] Processors: 1 [ 0.000000] SMP: Allowing 1 CPUs, 0 hotplug CPUs [ 0.000000] PM: Registered nosave memory: 000000000009b000 - 000000000009c000 [ 0.000000] PM: Registered nosave memory: 000000000009c000 - 00000000000a0000 [ 0.000000] PM: Registered nosave memory: 00000000000a0000 - 00000000000f0000 [ 0.000000] PM: Registered nosave memory: 00000000000f0000 - 0000000000100000 [ 0.000000] Allocating PCI resources starting at 1f400000 (gap: 1f400000:e0bc0000) [ 0.000000] Booting paravirtualized kernel on bare hardware [ 0.000000] setup_percpu: NR_CPUS:256 nr_cpumask_bits:256 nr_cpu_ids:1 nr_node_ids:1 [ 0.000000] PERCPU: Embedded 28 pages/cpu @ffff88001f000000 s83072 r8192 d23424 u2097152 [ 0.000000] Built 1 zonelists in Node order, mobility grouping on. Total pages: 125875 [ 0.000000] Policy zone: DMA32 [ 0.000000] Kernel command line: panic=1 console=ttyS0 udevtimeout=300 no_timer_check acpi=off printk.time=1 cgroup_disable=memory selinux=0 TERM=xterm guestfs_rescue=1 [ 0.000000] Disabling memory control group subsystem [ 0.000000] PID hash table entries: 2048 (order: 2, 16384 bytes) [ 0.000000] Checking aperture... [ 0.000000] No AGP bridge found [ 0.000000] Memory: 486364k/511988k available (6566k kernel code, 468k absent, 25156k reserved, 6637k data, 920k init) [ 0.000000] SLUB: Genslabs=15, HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 0.534994] audit: initializing netlink sockeodule: ideapad-laptop.ko: No such device febootstrap: internal insmod virtio_mmio.ko febootstrap: internal insmod virtio_balloon.ko febootstrap: internal insmod virtio-rng.ko febootstrap: internal insmod virtio_console.ko febootstrap: internal insmod ext2.ko febootstrap: picked /sys/block/vdb/dev as root device febootstrap: creating /dev/root as block special 253:16 febootstrap: mounting new root on /root febootstrap: chroot /proc/uptime: No such file or directory Starting /init script ... rm: cannot remove `/proc': Is a directory mkdir: cannot create directory `/proc': File exists rm: cannot remove `/sys': Is a directory mkdir: cannot create directory `/sys': File exists [ 1.527613] Switching to clocksource tsc cannot open /dev/null FATAL: Module pci:v00008086d00001237sv00001AF4sd00001100bc06sc00i00 not found. FATAL: Module pci:v00008086d00007000sv00001AF4sd00001100bc06sc01i00 not found. FATAL: Module platform:Fixed not found. insmod /lib/modules/3.2.0-23-generic/kernel/drivers/i2c/busses/i2c-piix4.ko [ 2.546072] piix4_smbus 0000:00:01.3: SMBus Host Controller at 0xb100, revision 0 WARNING: Not loading blacklisted module snd_pcsp WARNING: Not loading blacklisted module pcspkr FATAL: Module platform:pcspkr not found. insmod /lib/modules/3.2.0-23-generic/kernel/drivers/input/serio/serio_raw.ko insmod /lib/modules/3.2.0-23-generic/kernel/drivers/input/mouse/psmouse.ko WARNING: Not loading blacklisted module evbug insmod /lib/modules/3.2.0-23-generic/kernel/drivers/macintosh/mac_hid.ko [ 3.231744] input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input1 FATAL: Module dmi:bvnBochs:bvrBochs:bd01/01/2007:svnBochs:pnBochs:pvr:cvnBochs:ct1:cvr: not found. SIOCSIFADDR: No such device eth0: ERROR while getting interface flags: No such device SIOCADDRT: No such process Reading all physical volumes. This may take a while... No volume groups found No volume groups found ------------------------------------------------------------ Welcome to virt-rescue, the libguestfs rescue shell. Note: The contents of / are the rescue appliance. You have to mount the guest's partitions under /sysroot before you can examine them. bash: cannot set terminal process group (-1): Inappropriate ioctl for device bash: no job control in this shell groups: cannot find name for group ID 0 I have no name!@(none):/# fdisk -l /dev/vda Disk /dev/vda: 104 MB, 104857600 bytes 189 heads, 49 sectors/track, 22 cylinders, total 204800 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x0008b5ec Device Boot Start End Blocks Id System /dev/vda1 128 204672 102272+ 83 Linux I have no name!@(none):/# mount /dev/vda1 /sysroot I have no name!@(none):/# touch /sysroot/hello I have no name!@(none):/# exit exit virt-rescue: Syncing the disk now before exiting ... [ 74.610677] Restarting system. [ 74.611101] machine restart [ several GPFs during shutdown omitted ] $ guestfish -a test1.img -m /dev/vda1 ll / total 17 drwxr-xr-x 3 0 0 1024 Apr 16 17:00 . drwxr-xr-x 21 1000 1000 4096 Apr 16 17:01 .. -rw-r--r-- 1 0 0 0 Apr 16 17:00 hello drwx------ 2 0 0 12288 Apr 16 16:59 lost+found ---------------------------------------------------------------------- I don't know why it cannot set the prompt. I filed a BZ about it: https://bugzilla.redhat.com/show_bug.cgi?id=812970 Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones New in Fedora 11: Fedora Windows cross-compiler. Compile Windows programs, test, and build Windows installers. Over 70 libraries supprt'd http://fedoraproject.org/wiki/MinGW http://www.annexia.org/fedora_mingw