Hi All,
Getting "Cannot open root device" on a pretty vanilla setup. Xen seems
to see the device but xenolinux does not. I'm stumped.
- Followed Bin's HOWTO, with 1.2 variations as in docs/Xeno-HOWTO
- /dev/hda1 is the ext3 root partition for a bootable native Linux
(debian woody)
- ext3 and ext2 drivers are both built into xenolinux (i.e. I'm using
the default xenolinux .config generated by 'make menuconfig', and have
verified CONFIG_EXT3_FS=y)
Does anyone know why the (failed) modprobe attempt is happening at all,
since the ext3 driver is built in?
Steve
root (hd0,0)
Filesystem type is ext2fs, partition type 0x83
kernel /boot/xen.gz dom0_mem=80000 ser_baud=115200 noreboot ignorebiostables
[Multiboot-elf, <0x100000:0x135354:0x1c2ec>, shtab=0x252258, entry=0x100000]
module /boot/xenolinux.gz root=/dev/hda1 ro
[Multiboot-module @ 0x271000, 0x16992c bytes]
__ __ _ ____
\ \/ /___ _ __ / | |___ \ _ __ ___
\ // _ \ '_ \ | | __) |__| '__/ __|
/ \ __/ | | | | |_ / __/|__| | | (__
/_/\_\___|_| |_| |_(_)_____| |_| \___|
http://www.cl.cam.ac.uk/netos/xen
University of Cambridge Computer Laboratory
Xen version 1.2-rc (stevegt@) (gcc version 3.0.4) Thu Jan 15 20:18:59 PST 2004
Initialised all memory on a 320MB machine
Reading BIOS drive-info tables at 0xfe761 and 0xfe771
CPU0: Before vendor init, caps: 0183f9ff 00000000 00000000, vendor = 0
CPU caps: 0183f9ff 00000000 00000000 00000000
Initialising domains
Initialising schedulers
Initializing CPU#0
Detected 448.635 MHz processor.
Local APIC disabled by BIOS -- reenabling.
Found and enabled local APIC!
enabled ExtINT on CPU#0
ESR value before enabling vector: 00000000
ESR value after enabling vector: 00000000
Using local APIC timer interrupts.
Calibrating APIC timer for CPU0...
..... CPU speed is 448.6109 MHz.
..... Bus speed is 99.6910 MHz.
..... bus_scale = 0x00006617
ACT: Initialising Accurate timers
Time init:
.... System Time: 11910629ns
.... cpu_freq: 00000000:1ABDA3D4
.... scale: 00000002:3A9E617C
.... Wall Clock: 1074300816s 0us
Start schedulers
PCI: PCI BIOS revision 2.10 entry at 0xfcaee, last bus=2
PCI: Using configuration type 1
PCI: Probing PCI hardware
PCI: Using IRQ router PIIX [8086/7110] at 00:07.0
Limiting direct PCI/PCI transfers.
Intel(R) PRO/1000 Network Driver - version 5.2.16
Copyright (c) 1999-2003 Intel Corporation.
PCI: Found IRQ 11 for device 00:11.0
PCI: Sharing IRQ 11 with 00:07.2
PCI: Sharing IRQ 11 with 01:00.0
3c59x: Donald Becker and others. www.scyld.com/network/vortex.html
00:11.0: 3Com PCI 3c905B Cyclone 100baseTx at 0xcc00. Vers LK1.1.16
Uniform Multi-Platform E-IDE driver Revision: 6.31
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
PIIX4: IDE controller on PCI bus 00 dev 39
PIIX4: chipset revision 1
PIIX4: not 100% native mode: will probe irqs later
ide0: BM-DMA at 0xffa0-0xffa7, BIOS settings: hda:DMA, hdb:DMA
ide1: BM-DMA at 0xffa8-0xffaf, BIOS settings: hdc:DMA, hdd:pio
hda: Maxtor 90640D4, ATA DISK drive
hdb: Maxtor 52049U4, ATA DISK drive
hdc: NEC CD-ROM DRIVE:28C, ATAPI CD/DVD-ROM drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
ide1 at 0x170-0x177,0x376 on irq 15
hdc: ATAPI 32X CD-ROM drive, 128kB Cache
Uniform CD-ROM driver Revision: 3.12
hda: 12594960 sectors (6449 MB) w/256KiB Cache, CHS=784/255/63, UDMA(33)
hdb: 40020624 sectors (20491 MB) w/2048KiB Cache, CHS=2491/255/63, UDMA(33)
SCSI subsystem driver Revision: 1.00
Red Hat/Adaptec aacraid driver (1.1.2 Jan 15 2004 20:21:59)
Device eth0 opened and ready for use.
DOM0: Guest OS virtual load address is c0000000
DOM0: xen_console_init
DOM0: Linux version 2.4.24-xeno (stevegt@pathfinder) (gcc version 2.95.4
20011002 (Debian prerelease)) #1 Thu Jan 15 22:17:22 PST 2004
DOM0: On node 0 totalpages: 20000
DOM0: zone(0): 4096 pages.
DOM0: zone(1): 15904 pages.
DOM0: zone(2): 0 pages.
DOM0: Kernel command line: /boot/xenolinux.gz root=/dev/hda1 ro
DOM0: Initializing CPU#0
DOM0: Xen reported: 448.635 MHz processor.
DOM0: Console: colour VGA+ 80x25
DOM0: Calibrating delay loop... 3670.01 BogoMIPS
DOM0: Memory: 77304k/80000k available (1074k kernel code, 2696k reserved, 309k
data, 52k init, 0k highmem)
DOM0: Dentry cache hash table entries: 16384 (order: 5, 131072 bytes)
DOM0: Inode cache hash table entries: 8192 (order: 4, 65536 bytes)
DOM0: Mount cache hash table entries: 512 (order: 0, 4096 bytes)
DOM0: Buffer cache hash table entries: 4096 (order: 2, 16384 bytes)
DOM0: Page-cache hash table entries: 32768 (order: 5, 131072 bytes)
DOM0: CPU: L1 I cache: 16K, L1 D cache: 16K
DOM0: CPU: L2 cache: 512K
DOM0: CPU: Intel Pentium II (Deschutes) stepping 02
DOM0: POSIX conformance testing by UNIFIX
DOM0: Linux NET4.0 for Linux 2.4
DOM0: Based upon Swansea University Computer Society NET3.039
DOM0: Initializing RT netlink socket
DOM0: Starting kswapd
DOM0: Journalled Block Device driver loaded
DOM0: Installing knfsd (copyright (C) 1996 okir@xxxxxxxxxxxx).
DOM0: Xeno console successfully installed
DOM0: Successfully installed virtual firewall/router interface
DOM0: Starting Xeno Balloon driver
DOM0: Detected PS/2 Mouse Port.
DOM0: pty: 256 Unix98 ptys configured
DOM0: RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
DOM0: loop: loaded (max 8 devices)
DOM0: NET4: Linux TCP/IP 1.0 for NET4.0
DOM0: IP Protocols: ICMP, UDP, TCP
DOM0: IP: routing cache hash table of 512 buckets, 4Kbytes
DOM0: TCP: Hash tables configured (established 8192 bind 8192)
DOM0: ip_conntrack version 2.1 (625 buckets, 5000 max) - 292 bytes per conntrack
DOM0: ip_tables: (C) 2000-2002 Netfilter core team
DOM0: NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
DOM0: root_device_name = hda1
DOM0: kmod: failed to exec /sbin/modprobe -s -k block-major-3, errno = 2
DOM0: VFS: Cannot open root device "hda1" or 03:01
DOM0: Please append a correct "root=" boot option
DOM0: Kernel panic: VFS: Unable to mount root fs on 03:01
Domain 0 killed: rebooting machine!
Reboot disabled on cmdline: require manual reset
--
Stephen G. Traugott (KG6HDQ)
UNIX/Linux Infrastructure Architect, TerraLuna LLC
stevegt@xxxxxxxxxxxxx
http://www.stevegt.com -- http://Infrastructures.Org
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