[debian] armel qemubuilder - VFS: Unable to mount root fs
Petr Vanek
vanous at penguin.cz
Tue Dec 16 18:04:10 CET 2008
Hi,
i am having troubles creating debian image with qemubuilder. I have
followed the instructions [1] but no luck - [ 0.000000] Kernel panic
- not syncing: VFS: Unable to mount root fs on unknown-block(0,0)
Could you please point me to the right direction?
Thank you
Petr
[1] http://wiki.debian.org/DebianOnFreeRunner
laptop-vanek:/var/cache/pbuilder# pwd
/var/cache/pbuilder
laptop-vanek:/var/cache/pbuilder# cat armel-rc
KERNEL_IMAGE=/var/cache/pbuilder/armel/vmlinuz-2.6.26-1-versatile
ARCH=armel
BASEPATH=/var/cache/pbuilder/armel/base.qemu
MEMORY_MEGS=256
MIRRORSITE=http://ftp.cz.debian.org/debian/
laptop-vanek:/var/cache/pbuilder# ls -la armel/
total 252160
drwxr-xr-x 2 root root 4096 2008-12-16 17:40 .
drwxr-xr-x 5 root root 4096 2008-12-16 17:16 ..
-rw-r--r-- 1 root root 3222274048 2008-12-16 18:02 base.qemu
-rw-r--r-- 1 root vanous 1308396 2008-12-16 16:24
vmlinuz-2.6.26-1-versatile
qemubuilder Version: 0.48
uname -a
Linux laptop-vanek 2.6.27-7-generic #1 SMP Thu Oct 30 04:18:38 UTC 2008
i686 GNU/Linux
cat /etc/debian_version
5.0
laptop-vanek:/var/cache/pbuilder# qemubuilder --configfile armel-rc
--login
fsck 1.41.3 (12-Oct-2008) e2fsck 1.41.3 (12-Oct-2008)
/var/cache/pbuilder/armel/base.qemu: clean, 5332/196992 files,
62645/786432 blocks 1+0 records in
1+0 records out
1048576 bytes (1.0 MB) copied, 0.0329841 s, 31.8 MB/s
mke2fs 1.41.3 (12-Oct-2008)
warning: 256 blocks unused.
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
65664 inodes, 262144 blocks
13120 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=268435456
8 block groups
32768 blocks per group, 32768 fragments per group
8208 inodes per group
Superblock backups stored on blocks:
32768, 98304, 163840, 229376
Writing inode tables: done
Creating journal (8192 blocks): done
Writing superblocks and filesystem accounting information: done
This filesystem will be automatically checked every 37 mounts or
180 days, whichever comes first. Use tune2fs -c or -i to override.
Formatting '/var/cache/pbuilder/build//qemu.14934.cowdev', fmt=qcow,
backing_file=/var/cache/pbuilder/armel/base.qemu, size=3146752 kB
Uncompressing
Linux......................................................................................
done, booting the kernel. [ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] Linux version 2.6.26-1-versatile (Debian 2.6.26-8)
(waldi at debian.org) (gcc version 4.1.3 20080623 (prerelease) (Debian
4.1.2-23)) #1 Fri Oct 10 22:14:26 UTC 2008 [ 0.000000] CPU:
ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=00093177 [ 0.000000]
Machine: ARM-Versatile PB [ 0.000000] Memory policy: ECC disabled,
Data cache writeback [ 0.000000] CPU0: D VIVT write-through cache
[ 0.000000] CPU0: I cache: 4096 bytes, associativity 4, 32 byte
lines, 32 sets [ 0.000000] CPU0: D cache: 65536 bytes, associativity
4, 32 byte lines, 512 sets [ 0.000000] Built 1 zonelists in Zone
order, mobility grouping on. Total pages: 65024 [ 0.000000] Kernel
command line: root=/dev/sda init=/pbuilder-run console=ttyAMA0
[ 0.000000] PID hash table entries: 1024 (order: 10, 4096 bytes)
[ 0.000000] Console: colour dummy device 80x30 [ 0.000000] Dentry
cache hash table entries: 32768 (order: 5, 131072 bytes) [ 0.000000]
Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
[ 0.000000] Memory: 256MB = 256MB total [ 0.000000] Memory:
256896KB available (2416K code, 362K data, 112K init) [ 0.000000]
Security Framework initialized [ 0.000000] SELinux: Disabled at
boot. [ 0.000000] Capability LSM initialized [ 0.000000]
Mount-cache hash table entries: 512 [ 0.000000] Initializing cgroup
subsys ns [ 0.000000] Initializing cgroup subsys cpuacct
[ 0.000000] Initializing cgroup subsys devices [ 0.000000] CPU:
Testing write buffer coherency: ok [ 0.000000] net_namespace: 652
bytes [ 0.000000] NET: Registered protocol family 16 [ 0.000000]
PCI core found (slot 11) [ 0.000000] PCI: bus0: Fast back to back
transfers disabled [ 0.000000] PCI map irq: slot 0, pin 1, devslot
12, irq: 27 [ 0.000000] NET: Registered protocol family 2
[ 0.000000] IP route cache hash table entries: 2048 (order: 1, 8192
bytes) [ 0.000000] TCP established hash table entries: 8192 (order:
4, 65536 bytes) [ 0.000000] TCP bind hash table entries: 8192
(order: 3, 32768 bytes) [ 0.000000] TCP: Hash tables configured
(established 8192 bind 8192) [ 0.000000] TCP reno registered
[ 0.000000] NET: Registered protocol family 1
[ 0.000000] NetWinder Floating Point Emulator V0.97 (double
precision) [ 0.000000] audit: initializing netlink socket (disabled)
[ 0.000000] type=2000 audit(1.034:1): initialized
[ 0.000000] VFS: Disk quotas dquot_6.5.1
[ 0.000000] Dquot-cache hash table entries: 1024 (order 0, 4096
bytes) [ 0.000000] msgmni has been set to 501
[ 0.000000] Block layer SCSI generic (bsg) driver version 0.4 loaded
(major 253) [ 0.000000] io scheduler noop registered
[ 0.000000] io scheduler anticipatory registered
[ 0.000000] io scheduler deadline registered
[ 0.000000] io scheduler cfq registered (default)
[ 0.000000] CLCD: unknown LCD panel ID 0x00001000, using VGA
[ 0.000000] CLCD: Versatile hardware, VGA display
[ 0.000000] Clock CLCDCLK: setting VCO reg params: S=1 R=99 V=98
[ 0.000000] Console: switching to colour frame buffer device 80x30
[ 0.000000] Serial: AMBA PL011 UART driver
[ 0.000000] dev:f1: ttyAMA0 at MMIO 0x101f1000 (irq = 12) is a
AMBA/PL011 [ 0.000000] console [ttyAMA0] enabled
[ 0.000000] dev:f2: ttyAMA1 at MMIO 0x101f2000 (irq = 13) is a
AMBA/PL011 [ 0.000000] dev:f3: ttyAMA2 at MMIO 0x101f3000 (irq = 14)
is a AMBA/PL011 [ 0.000000] fpga:09: ttyAMA3 at MMIO 0x10009000 (irq
= 38) is a AMBA/PL011 [ 0.000000] brd: module loaded
[ 0.000000] mice: PS/2 mouse device common for all mice
[ 0.000000] rtc-pl031 dev:e8: rtc core: registered pl031 as rtc0
[ 0.000000] input: AT Raw Set 2 keyboard as /class/input/input0
[ 0.000000] NET: Registered protocol family 26
[ 0.000000] TCP cubic registered
[ 0.000000] NET: Registered protocol family 17
[ 0.000000] VFP support v0.3: implementor 41 architecture 1 part 10
variant 9 rev 0 [ 0.000000] registered taskstats version 1
[ 0.000000] rtc-pl031 dev:e8: setting system clock to 2008-12-16
15:51:45 UTC (1229442705) [ 0.000000] List of all partitions:
[ 0.000000] No filesystem could mount root, tried:
[ 0.000000] Kernel panic - not syncing: VFS: Unable to mount root fs
on unknown-block(0,0)
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