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Description of problem: Kernel panic during inital bootup for installation. Version-Release number of selected component (if applicable): How reproducible: Always Steps to Reproduce: # virt-install --connect=qemu:///system --network=bridge:bridge0 --extra-args="ks=http://<path-to-ks>.ks console=tty0 console=ttyS0,115200" --name testvm --disk /export/vmimgs/testvm.img,size=30 --ram 2048 --vcpus=2 --check-cpu --accelerate --location=http://download.devel.redhat.com/nightly/latest-RHEL6.2/6.2/Server/x86_64/os/ --hvm Actual results: Starting install... Retrieving file .treeinfo... | 3.3 kB 00:00 ... Retrieving file vmlinuz... | 7.4 MB 00:00 ... Retrieving file initrd.img... | 54 MB 00:00 ... Creating storage file testvm.img | 30 GB 00:00 Creating domain... | 0 B 00:00 Connected to domain testvm Escape character is ^] Initializing cgroup subsys cpuset Initializing cgroup subsys cpu Linux version 2.6.32-167.el6.x86_64 (mockbuild.bos.redhat.com) (gcc version 4.4.5 20110214 (Red Hat 4.4.5-6) (GCC) ) #1 SMP Fri Jul 8 11:24:13 EDT 2011 Command line: method=http://download.devel.redhat.com/nightly/latest-RHEL6.2/6.2/Server/x86_64/os/ ks=http://<path-to-ks>.ks console=tty0 console=ttyS0,115200 KERNEL supported cpus: Intel GenuineIntel AMD AuthenticAMD Centaur CentaurHauls BIOS-provided physical RAM map: BIOS-e820: 0000000000000000 - 000000000009f400 (usable) BIOS-e820: 000000000009f400 - 00000000000a0000 (reserved) BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved) BIOS-e820: 0000000000100000 - 000000007fffb000 (usable) BIOS-e820: 000000007fffb000 - 0000000080000000 (reserved) BIOS-e820: 00000000fffbc000 - 0000000100000000 (reserved) DMI 2.4 present. SMBIOS version 2.4 @ 0xF8100 last_pfn = 0x7fffb max_arch_pfn = 0x400000000 PAT not supported by CPU. init_memory_mapping: 0000000000000000-000000007fffb000 RAMDISK: 7e4d6000 - 7ffef97c ACPI: RSDP 00000000000f80d0 00014 (v00 BOCHS ) ACPI: RSDT 000000007fffde00 00030 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) ACPI: FACP 000000007ffffe20 00074 (v01 BOCHS BXPCFACP 00000001 BXPC 00000001) ACPI: DSDT 000000007fffdf70 01E4B (v01 BXPC BXDSDT 00000001 INTL 20090123) ACPI: FACS 000000007ffffdc0 00040 ACPI: SSDT 000000007fffdf20 00044 (v01 BOCHS BXPCSSDT 00000001 BXPC 00000001) ACPI: APIC 000000007fffde30 0007A (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) No NUMA configuration found Faking a node at 0000000000000000-000000007fffb000 Bootmem setup node 0 0000000000000000-000000007fffb000 NODE_DATA [000000000000a000 - 000000000003dfff] bootmap [000000000003e000 - 000000000004dfff] pages 10 (7 early reservations) ==> bootmem [0000000000 - 007fffb000] #0 [0000000000 - 0000001000] BIOS data page ==> [0000000000 - 0000001000] #1 [0000006000 - 0000008000] TRAMPOLINE ==> [0000006000 - 0000008000] #2 [0001000000 - 0001f03624] TEXT DATA BSS ==> [0001000000 - 0001f03624] #3 [007e4d6000 - 007ffef97c] RAMDISK ==> [007e4d6000 - 007ffef97c] #4 [000009f400 - 0000100000] BIOS reserved ==> [000009f400 - 0000100000] #5 [0001f04000 - 0001f04081] BRK ==> [0001f04000 - 0001f04081] #6 [0000008000 - 000000a000] PGTABLE ==> [0000008000 - 000000a000] found SMP MP-table at [ffff8800000f8120] f8120 kvm-clock: Using msrs 12 and 11 kvm-clock: cpu 0, msr 0:1b9bf01, boot clock Zone PFN ranges: DMA 0x00000001 -> 0x00001000 DMA32 0x00001000 -> 0x00100000 Normal 0x00100000 -> 0x00100000 Movable zone start PFN for each node early_node_map[2] active PFN ranges 0: 0x00000001 -> 0x0000009f 0: 0x00000100 -> 0x0007fffb ACPI: PM-Timer IO Port: 0xb008 ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled) ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0]) IOAPIC[0]: apic_id 2, version 17, address 0xfec00000, GSI 0-23 ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) Using ACPI (MADT) for SMP configuration information SMP: Allowing 2 CPUs, 0 hotplug CPUs PM: Registered nosave memory: 000000000009f000 - 00000000000a0000 PM: Registered nosave memory: 00000000000a0000 - 00000000000f0000 PM: Registered nosave memory: 00000000000f0000 - 0000000000100000 Allocating PCI resources starting at 80000000 (gap: 80000000:7ffbc000) Booting paravirtualized kernel on KVM NR_CPUS:4096 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:1 PERCPU: Embedded 30 pages/cpu @ffff880002000000 s92568 r8192 d22120 u1048576 pcpu-alloc: s92568 r8192 d22120 u1048576 alloc=1*2097152 pcpu-alloc: [0] 0 1 kvm-clock: cpu 0, msr 0:2015f01, primary cpu clock Built 1 zonelists in Node order, mobility grouping on. Total pages: 516916 Policy zone: DMA32 Kernel command line: method=http://download.devel.redhat.com/nightly/latest-RHEL6.2/6.2/Server/x86_64/os/ ks=http://<path-to-ks>.ks console=tty0 console=ttyS0,115200 PID hash table entries: 4096 (order: 3, 32768 bytes) Checking aperture... No AGP bridge found Memory: 2024192k/2097132k available (5024k kernel code, 392k absent, 72548k reserved, 6767k data, 1236k init) Hierarchical RCU implementation. NR_IRQS:33024 nr_irqs:424 Console: colour dummy device 80x25 console [tty0] enabled console [ttyS0] enabled allocated 16777216 bytes of page_cgroup please try 'cgroup_disable=memory' option if you don't want memory cgroups Detected 2266.804 MHz processor. Calibrating delay loop (skipped) preset value.. 4533.60 BogoMIPS (lpj=2266804) pid_max: default: 32768 minimum: 301 Security Framework initialized SELinux: Initializing. Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes) Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes) Mount-cache hash table entries: 256 Initializing cgroup subsys ns Initializing cgroup subsys cpuacct Initializing cgroup subsys memory Initializing cgroup subsys devices Initializing cgroup subsys freezer Initializing cgroup subsys net_cls Initializing cgroup subsys blkio mce: CPU supports 10 MCE banks alternatives: switching to unfair spinlock ACPI: Core revision 20090903 ftrace: converting mcount calls to 0f 1f 44 00 00 ftrace: allocating 20729 entries in 82 pages Setting APIC routing to flat ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 CPU0: Intel QEMU Virtual CPU version (cpu64-rhel6) stepping 03 Performance Events: Broken PMU hardware detected, using software events only. NMI watchdog disabled (cpu0): hardware events not enabled Booting Node 0, Processors #1 Ok. kvm-clock: cpu 1, msr 0:2115f01, secondary cpu clock Brought up 2 CPUs Total of 2 processors activated (9067.21 BogoMIPS). devtmpfs: initialized regulator: core version 0.5 NET: Registered protocol family 16 ACPI: bus type pci registered PCI: Using configuration type 1 for base access mtrr: your CPUs had inconsistent variable MTRR settings mtrr: your CPUs had inconsistent MTRRdefType settings mtrr: probably your BIOS does not setup all CPUs. mtrr: corrected configuration. bio: create slab <bio-0> at 0 ACPI: Interpreter enabled ACPI: (supports S0 S3 S4 S5) ACPI: Using IOAPIC for interrupt routing ACPI: No dock devices found. ACPI: PCI Root Bridge [PCI0] (0000:00) pci 0000:00:01.3: quirk: region b000-b03f claimed by PIIX4 ACPI pci 0000:00:01.3: quirk: region b100-b10f claimed by PIIX4 SMB ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) HEST: Table is not found! vgaarb: loaded SCSI subsystem initialized usbcore: registered new interface driver usbfs usbcore: registered new interface driver hub usbcore: registered new device driver usb PCI: Using ACPI for IRQ routing NetLabel: Initializing NetLabel: domain hash size = 128 NetLabel: protocols = UNLABELED CIPSOv4 NetLabel: unlabeled traffic allowed by default Switching to clocksource kvm-clock pnp: PnP ACPI init ACPI: bus type pnp registered pnp: PnP ACPI: found 6 devices ACPI: ACPI bus type pnp unregistered NET: Registered protocol family 2 IP route cache hash table entries: 65536 (order: 7, 524288 bytes) TCP established hash table entries: 262144 (order: 10, 4194304 bytes) TCP bind hash table entries: 65536 (order: 8, 1048576 bytes) TCP: Hash tables configured (established 262144 bind 65536) TCP reno registered NET: Registered protocol family 1 pci 0000:00:00.0: Limiting direct PCI/PCI transfers pci 0000:00:01.0: PIIX3: Enabling Passive Release pci 0000:00:01.0: Activating ISA DMA hang workarounds Trying to unpack rootfs image as initramfs... rootfs image is not initramfs (junk in compressed archive); looks like an initrd Freeing initrd memory: 27750k freed audit: initializing netlink socket (disabled) type=2000 audit(1310624682.123:1): initialized HugeTLB registered 2 MB page size, pre-allocated 0 pages VFS: Disk quotas dquot_6.5.2 Dquot-cache hash table entries: 512 (order 0, 4096 bytes) msgmni has been set to 4007 alg: No test for stdrng (krng) ksign: Installing public key data Loading keyring - Added public key D01AFCDF50FABC71 - User ID: Red Hat, Inc. (Kernel Module GPG key) - Added public key D4A26C9CCD09BEDA - User ID: Red Hat Enterprise Linux Driver Update Program <secalert> Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252) io scheduler noop registered io scheduler anticipatory registered io scheduler deadline registered io scheduler cfq registered (default) pci_hotplug: PCI Hot Plug PCI Core version: 0.5 pciehp: PCI Express Hot Plug Controller Driver version: 0.4 acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 acpiphp: Slot [1] registered acpiphp: Slot [2] registered acpiphp: Slot [3] registered acpiphp: Slot [4] registered acpiphp: Slot [5] registered acpiphp: Slot [6] registered acpiphp: Slot [7] registered acpiphp: Slot [8] registered acpiphp: Slot [9] registered acpiphp: Slot [10] registered acpiphp: Slot [11] registered acpiphp: Slot [12] registered acpiphp: Slot [13] registered acpiphp: Slot [14] registered acpiphp: Slot [15] registered acpiphp: Slot [16] registered acpiphp: Slot [17] registered acpiphp: Slot [18] registered acpiphp: Slot [19] registered acpiphp: Slot [20] registered acpiphp: Slot [21] registered acpiphp: Slot [22] registered acpiphp: Slot [23] registered acpiphp: Slot [24] registered acpiphp: Slot [25] registered acpiphp: Slot [26] registered acpiphp: Slot [27] registered acpiphp: Slot [28] registered acpiphp: Slot [29] registered acpiphp: Slot [30] registered acpiphp: Slot [31] registered input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 ACPI: Power Button [PWRF] processor LNXCPU:00: registered as cooling_device0 processor LNXCPU:01: registered as cooling_device1 ERST: Table is not found! hpet_acpi_add: no address or irqs in _CRS Non-volatile memory driver v1.3 Linux agpgart interface v0.103 crash memory driver: version 1.1 Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled �serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A brd: module loaded loop: module loaded input: Macintosh mouse button emulation as /devices/virtual/input/input1 Fixed MDIO Bus: probed ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver uhci_hcd: USB Universal Host Controller Interface driver ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 11 uhci_hcd 0000:00:01.2: PCI INT D -> Link[LNKD] -> GSI 11 (level, high) -> IRQ 11 uhci_hcd 0000:00:01.2: UHCI Host Controller uhci_hcd 0000:00:01.2: new USB bus registered, assigned bus number 1 uhci_hcd 0000:00:01.2: irq 11, io base 0x0000c020 usb usb1: New USB device found, idVendor=1d6b, idProduct=0001 usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 usb usb1: Product: UHCI Host Controller usb usb1: Manufacturer: Linux 2.6.32-167.el6.x86_64 uhci_hcd usb usb1: SerialNumber: 0000:00:01.2 usb usb1: configuration #1 chosen from 1 choice hub 1-0:1.0: USB hub found hub 1-0:1.0: 2 ports detected PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12 serio: i8042 KBD port at 0x60,0x64 irq 1 serio: i8042 AUX port at 0x60,0x64 irq 12 mice: PS/2 mouse device common for all mice input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 rtc_cmos 00:01: rtc core: registered rtc_cmos as rtc0 rtc0: alarms up to one day, 114 bytes nvram cpuidle: using governor ladder cpuidle: using governor menu usbcore: registered new interface driver hiddev usbcore: registered new interface driver usbhid usbhid: v2.6:USB HID core driver TCP cubic registered Initializing XFRM netlink socket NET: Registered protocol family 17 registered taskstats version 1 rtc_cmos 00:01: setting system clock to 2011-07-14 06:24:41 UTC (1310624681) Initalizing network drop monitor service input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input3 md: Waiting for all devices to be available before autodetect md: If you don't use raid, use raid=noautodetect md: Autodetecting RAID arrays. md: Scanned 0 and added 0 devices. md: autorun ... md: ... autorun DONE. RAMDISK: Couldn't find valid RAM disk image starting at 0. isofs_fill_super: bread failed, dev=md1, iso_blknum=16, block=32 List of all partitions: No filesystem could mount root, tried: iso9660 Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(9,1) Pid: 1, comm: swapper Not tainted 2.6.32-167.el6.x86_64 #1 Call Trace: [<ffffffff814dd449>] ? panic+0x78/0x143 [<ffffffff81b9e448>] ? mount_block_root+0x273/0x29e [<ffffffff81002931>] ? trace_kmalloc+0x261/0x930 [<ffffffff81b9e4c9>] ? mount_root+0x56/0x5a [<ffffffff81b9e63d>] ? prepare_namespace+0x170/0x1a9 [<ffffffff81b9d8ea>] ? kernel_init+0x2e3/0x2f9 [<ffffffff8100c10a>] ? child_rip+0xa/0x20 [<ffffffff81b9d607>] ? kernel_init+0x0/0x2f9 [<ffffffff8100c100>] ? child_rip+0x0/0x20 Expected results: System should be installed without any kernel panic. Additional info:
Chat with the reported on IRC, and this is essentially the dup of 694198 that the kernel can't open XZ compressed initramfs. *** This bug has been marked as a duplicate of bug 694198 ***