Bug 722390

Summary: [RHEL6.2] Kernel panic while installing from the latest tree.
Product: Red Hat Enterprise Linux 6 Reporter: Gowrishankar Rajaiyan <grajaiya>
Component: kernelAssignee: Red Hat Kernel Manager <kernel-mgr>
Status: CLOSED DUPLICATE QA Contact: Red Hat Kernel QE team <kernel-qe>
Severity: urgent Docs Contact:
Priority: unspecified    
Version: 6.2CC: qcai
Target Milestone: rc   
Target Release: ---   
Hardware: Unspecified   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2011-07-18 02:35:45 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:

Description Gowrishankar Rajaiyan 2011-07-15 07:21:59 UTC 
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:
Comment 2 Qian Cai 2011-07-18 02:35:45 UTC 
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 ***