RE: [Xen-users] Xen 3.0.0 + RAID + LVM + CentOS = problem

["Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>]

Have you tried booting off the demo CD and then having a poke around? 

I seem to recall that at least at one point, native linux required the
MD and raid stuff to be built into the kernel (rather than a module) for
RAID autodetect to work. Does anyone know if this is still the case?

Ian


> I too am having a similar issue. It actually occurred with 
> and with out LVM, the common denominator was Software RAID 1. 
> I used both the RPM install and the scripted RPM install. I 
> also rebuild the initrd just to make sure it wasn't missing 
> something, but as you can see in the dmesg it looks like it's 
> picking up the modules/drivers for everything. Running CentOS 
> 4.2 and everything boots find with the standard kernel. 
> Hardware is a Pentium 4 D 3.0MHz, Intel 945G chipset, dual 
> SATA Hatachi Drives, and 4GB ram,  if any of that matters.
> 
> Any help would be greatly appreciated, I'd consider going 
> over to Fedora if I thought it would matter but I'm thinking 
> it probably wont.
> 
> Here's the output of my DMESG:
> 
> root (hd0,0)
>  Filesystem type is ext2fs, partition type 0x83 kernel 
> /xen-3.gz com1=115200,8n1
>    [Multiboot-elf, <0x100000:0x631ec:0x2be14>, 
> shtab=0x18f078, entry=0x100000] module 
> /vmlinuz-2.6.12.6-xen3_2.1_rhel4.1 root=/dev/xenvg/dom0_root 
> ro maxcpus=
> 1 console=tty1 console=ttyS0,115200n8
>    [Multiboot-module @ 0x190000, 0x338f50 bytes] module 
> /initrd-2.6.12.6-xen3_2.1_rhel4.1.img
>    [Multiboot-module @ 0x4c9000, 0x218200 bytes]
> 
>  __  __            _____  ___   ___  
>  \ \/ /___ _ __   |___ / / _ \ / _ \ 
>   \  // _ \ '_ \    |_ \| | | | | | |
>   /  \  __/ | | |  ___) | |_| | |_| |
>  /_/\_\___|_| |_| |____(_)___(_)___/ 
>                                      
>  http://www.cl.cam.ac.uk/netos/xen
>  University of Cambridge Computer Laboratory
> 
>  Xen version 3.0.0 (rread@xxxxxxxxxxxxxxxxxxxx) (gcc version 
> 3.4.3 20050227 (Red  Hat 3.4.3-22.1)) Sun Dec  4 10:31:20 PST 
> 2005  Latest ChangeSet: unavailable 
> 
> (XEN) Physical RAM map:
> (XEN)  0000000000000000 - 000000000009f000 (usable)
> (XEN)  000000000009f000 - 00000000000a0000 (reserved)
> (XEN)  00000000000f0000 - 0000000000100000 (reserved)
> (XEN)  0000000000100000 - 00000000cfdf0000 (usable)
> (XEN)  00000000cfdf0000 - 00000000cfe00000 (reserved)
> (XEN)  00000000e0000000 - 00000000f0000000 (reserved)
> (XEN)  00000000fec00000 - 0000000100000000 (reserved)
> (XEN) System RAM: 3325MB (3405372kB)
> (XEN) Xen heap: 10MB (10588kB)
> (XEN) PAE disabled.
> (XEN) found SMP MP-table at 000f35d0
> (XEN) DMI 2.3 present.
> (XEN) Using APIC driver default
> (XEN) ACPI: Unable to locate RSDP
> (XEN) Intel MultiProcessor Specification v1.4
> (XEN)     Virtual Wire compatibility mode.
> (XEN) OEM ID: OEM00000 Product ID: PROD00000000 APIC at: 0xFEE00000
> (XEN) Processor #0 15:4 APIC version 17
> (XEN) Processor #1 6:1 APIC version 17
> (XEN) I/O APIC #4 Version 17 at 0xFEC00000.
> (XEN) Enabling APIC mode:  Flat.  Using 1 I/O APICs
> (XEN) Processors: 2
> (XEN) Initializing CPU#0
> (XEN) Detected 2992.659 MHz processor.
> (XEN) Using scheduler: Simple EDF Scheduler (sedf)
> (XEN) CPU: Trace cache: 12K uops, L1 D cache: 16K
> (XEN) CPU: L2 cache: 1024K
> (XEN) CPU: Physical Processor ID: 0
> (XEN) CPU: Processor Core ID: 0
> (XEN) CPU0: Intel(R) Pentium(R) D CPU 3.00GHz stepping 04
> (XEN) Booting processor 1/1 eip 90000
> (XEN) Initializing CPU#1
> (XEN) CPU: Trace cache: 12K uops, L1 D cache: 16K
> (XEN) CPU: L2 cache: 1024K
> (XEN) CPU: Physical Processor ID: 0
> (XEN) CPU: Processor Core ID: 1
> (XEN) CPU1: Intel(R) Pentium(R) D CPU 3.00GHz stepping 04
> (XEN) Total of 2 processors activated.
> (XEN) ENABLING IO-APIC IRQs
> (XEN) ..TIMER: vector=0x31 pin1=2 pin2=0
> (XEN) checking TSC synchronization across 2 CPUs: passed.
> (XEN) Platform timer is 1.193MHz PIT
> (XEN) Brought up 2 CPUs
> (XEN) mtrr: v2.0 (20020519)
> (XEN) mtrr: your CPUs had inconsistent variable MTRR settings
> (XEN) mtrr: probably your BIOS does not setup all CPUs.
> (XEN) mtrr: corrected configuration.
> (XEN) *** LOADING DOMAIN 0 ***
> (XEN) Xen-ELF header found:
> 'GUEST_OS=linux,GUEST_VER=2.6,XEN_VER=xen-3.0,VIRT_B
> ASE=0xC0000000,PAE=no,LOADER=generic'
> (XEN) PHYSICAL MEMORY ARRANGEMENT:
> (XEN)  Dom0 alloc.:   03000000->04000000 (805491 pages to be 
> allocated)
> (XEN) VIRTUAL MEMORY ARRANGEMENT:
> (XEN)  Loaded kernel: c0100000->c04752c0
> (XEN)  Init. ramdisk: c0476000->c068e200
> (XEN)  Phys-Mach map: c068f000->c09a59cc
> (XEN)  Start info:    c09a6000->c09a7000
> (XEN)  Page tables:   c09a7000->c09ab000
> (XEN)  Boot stack:    c09ab000->c09ac000
> (XEN)  TOTAL:         c0000000->c0c00000
> (XEN)  ENTRY ADDRESS: c0100000
> (XEN) Initrd len 0x218200, start at 0xc0476000
> (XEN) Scrubbing Free RAM: ..................................done.
> (XEN) Xen trace buffers: disabled
> (XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to 
> switch input to Xen ).
> Linux version 2.6.12.6-xen3_2.1_rhel4.1
> (rread@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx)
>  (gcc version 3.4.3 20050227 (Red Hat 3.4.3-22.1)) #1 SMP Sun 
> Dec 4 10:45:29 PST
>  2005
> BIOS-provided physical RAM map:
>  Xen: 0000000000000000 - 00000000c5a73000 (usable) 2338MB 
> HIGHMEM available.
> 832MB LOWMEM available.
> found SMP MP-table at 000f35d0
> DMI 2.3 present.
> ACPI: Unable to locate RSDP
> Intel MultiProcessor Specification v1.4
>     Virtual Wire compatibility mode.
> OEM ID: OEM00000 Product ID: PROD00000000 APIC at: 0xFEE00000 
> I/O APIC #4 Version 17 at 0xFEC00000.
> Enabling APIC mode:  Flat.  Using 1 I/O APICs
> Processors: 2
> IRQ lockup detection disabled
> Allocating PCI resources starting at cfe00000 (gap: 
> cfe00000:10200000) Built 1 zonelists Kernel command line: 
> root=/dev/xenvg/dom0_root ro maxcpus=1 console=tty1 console
> =ttyS0,115200n8
> Initializing CPU#0
> PID hash table entries: 4096 (order: 12, 65536 bytes) Xen 
> reported: 2992.658 MHz processor.
> Console: colour VGA+ 80x25
> Dentry cache hash table entries: 131072 (order: 7, 524288 
> bytes) Inode-cache hash table entries: 65536 (order: 6, 
> 262144 bytes) Software IO TLB enabled: 
>  Aperture:     64 megabytes
>  Bus range:    0x0000000040000000 - 0x0000000044000000
>  Kernel range: 0x00000000c29e8000 - 0x00000000c69e8000 
> vmalloc area: f4800000-fb7fe000, maxmem 34000000
> Memory: 3134948k/3246540k available (2184k kernel code, 
> 102236k reserved, 883k d ata, 184k init, 2394572k highmem) 
> Checking if this processor honours the WP bit even in 
> supervisor mode... Ok.
> Security Framework v1.0.0 initialized
> SELinux:  Disabled at boot.
> Capability LSM initialized
> Mount-cache hash table entries: 512
> CPU: Trace cache: 12K uops, L1 D cache: 16K
> CPU: L2 cache: 1024K
> Enabling fast FPU save and restore... done.
> Enabling unmasked SIMD FPU exception support... done.
> Checking 'hlt' instruction... disabled
> ENABLING IO-APIC IRQs
> Brought up 1 CPUs
> checking if image is initramfs... it is
> Freeing initrd memory: 2144k freed
> NET: Registered protocol family 16
> PCI: Using configuration type 1
> ACPI: Subsystem revision 20050309
> ACPI: Interpreter disabled.
> Linux Plug and Play Support v0.97 (c) Adam Belay
> xen_mem: Initialising balloon driver.
> usbcore: registered new driver usbfs
> usbcore: registered new driver hub
> PCI: Probing PCI hardware
> PCI: Probing PCI hardware (bus 00)
> PCI: Ignoring BAR0-3 of IDE controller 0000:00:1f.1
> PCI: Transparent bridge - 0000:00:1e.0
> PCI->APIC IRQ transform: 0000:00:02.0[A] -> IRQ 16 APIC IRQ 
> transform: 
> PCI->0000:00:1c.0[A] -> IRQ 16 APIC IRQ transform: 0000:00:1d.0[A] -> 
> PCI->IRQ 23 APIC IRQ transform: 0000:00:1d.1[B] -> IRQ 19 APIC IRQ 
> PCI->transform: 0000:00:1d.2[C] -> IRQ 18 APIC IRQ transform: 
> PCI->0000:00:1d.3[D] -> IRQ 16 APIC IRQ transform: 0000:00:1d.7[A] -> 
> PCI->IRQ 23 APIC IRQ transform: 0000:00:1f.1[A] -> IRQ 16 APIC IRQ 
> PCI->transform: 0000:00:1f.2[B] -> IRQ 19 APIC IRQ transform: 
> PCI->0000:00:1f.3[B] -> IRQ 19 APIC IRQ transform: 0000:01:00.0[A] -> 
> PCI->IRQ 16 APIC IRQ transform: 0000:02:01.0[A] -> IRQ 21
> Grant table initialized
> IA-32 Microcode Update Driver: v1.14-xen <tigran@xxxxxxxxxxx> 
> highmem bounce pool size: 64 pages
> VFS: Disk quotas dquot_6.5.1
> Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) 
> Initializing Cryptographic API
> isapnp: Scanning for PnP cards...
> isapnp: No Plug & Play device found
> PNP: No PS/2 controller found. Probing ports directly.
> serio: i8042 AUX port at 0x60,0x64 irq 12
> serio: i8042 KBD port at 0x60,0x64 irq 1 io scheduler noop 
> registered io scheduler anticipatory registered io scheduler 
> deadline registered io scheduler cfq registered RAMDISK 
> driver initialized: 16 RAM disks of 8192K size 1024 blocksize 
> Xen virtual console successfully installed as ttyS0 
> Event-channel device installed.
> Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
> ide: Assuming 33MHz system bus speed for PIO modes; override 
> with idebus=xx
> ICH7: IDE controller at PCI slot 0000:00:1f.1
> ICH7: chipset revision 1
> ICH7: not 100% native mode: will probe irqs later
>     ide0: BM-DMA at 0xf800-0xf807, BIOS settings: hda:pio, hdb:DMA
> hdb: TSSTcorpCD/DVDW TS-H552U, ATAPI CD/DVD-ROM drive ide0 at 
> 0x1f0-0x1f7,0x3f6 on irq 14
> hdb: ATAPI 48X DVD-ROM DVD-R CD-R/RW drive, 2048kB Cache, 
> UDMA(33) Uniform CD-ROM driver Revision: 3.20 ide-floppy 
> driver 0.99.newide ehci_hcd 0000:00:1d.7: Intel Corporation 
> I/O Controller Hub EHCI USB ehci_hcd 0000:00:1d.7: new USB 
> bus registered, assigned bus number 1 ehci_hcd 0000:00:1d.7: 
> irq 23, io mem 0xfdfff000 ehci_hcd 0000:00:1d.7: USB 2.0 
> initialized, EHCI 1.00, driver 10 Dec 2004 hub 1-0:1.0: USB 
> hub found hub 1-0:1.0: 8 ports detected
> mice: PS/2 mouse device common for all mice
> NET: Registered protocol family 2
> input: AT Translated Set 2 keyboard on isa0060/serio0
> IP: routing cache hash table of 32768 buckets, 256Kbytes TCP 
> established hash table entries: 524288 (order: 10, 4194304 
> bytes) TCP bind hash table entries: 65536 (order: 7, 524288 bytes)
> TCP: Hash tables configured (established 524288 bind 65536)
> NET: Registered protocol family 8
> NET: Registered protocol family 20
> Freeing unused kernel memory: 184k freed Red Hat nash version 
> 4.2.1.6 starting Mounted /proc filesystem Mounting sysfs 
> Creating /dev Starting udev Loading scsi_mod.ko module
> scsi_mod: no version for "struct_module" found: kernel tainted.
> SCSI subsystem initialized
> Loading sd_mod.ko module
> Loading libata.ko module
> Loading ata_piix.ko module
> ata1: SATA max UDMA/133 cmd 0xF700 ctl 0xF602 bmdma 0xF300 irq 19
> ata2: SATA max UDMA/133 cmd 0xF500 ctl 0xF402 bmdma 0xF308 irq 19
> input: ImPS/2 Generic Wheel Mouse on isa0060/serio1
> ata1: dev 0 ATA, max UDMA/100, 321672960 sectors: lba48
> ata1: dev 0 configured for UDMA/100
> scsi0 : ata_piix
> ata2: dev 0 ATA, max UDMA/100, 321672960 sectors: lba48
> ata2: dev 0 configured for UDMA/100
> scsi1 : ata_piix
>   Vendor: ATA       Model: HDS722516VLSA80   Rev: V34O
>   Type:   Direct-Access                      ANSI SCSI revision: 05
> SCSI device sda: 321672960 512-byte hdwr sectors (164697 MB) 
> SCSI device sda: drive cache: write back SCSI device sda: 
> 321672960 512-byte hdwr sectors (164697 MB) SCSI device sda: 
> drive cache: write back
>  sda: sda1 sda2
> Attached scsi disk sda at scsi0, channel 0, id 0, lun 0
>   Vendor: ATA       Model: HDS722516VLSA80   Rev: V34O
>   Type:   Direct-Access                      ANSI SCSI revision: 05
> SCSI device sdb: 321672960 512-byte hdwr sectors (164697 MB) 
> SCSI device sdb: drive cache: write back SCSI device sdb: 
> 321672960 512-byte hdwr sectors (164697 MB) SCSI device sdb: 
> drive cache: write back
>  sdb: sdb1 sdb2
> Attached scsi disk sdb at scsi1, channel 0, id 0, lun 0 
> Loading dm-mod.ko module
> device-mapper: 4.4.0-ioctl (2005-01-12) initialised: 
> dm-devel@xxxxxxxxxx Loading md.ko module
> md: md driver 0.90.1 MAX_MD_DEVS=256, MD_SB_DISKS=27 Loading 
> raid1.ko module
> md: raid1 personality registered as nr 3 Loading dm-mirror.ko 
> module Loading dm-zero.ko module Loading dm-snapshot.ko module
> raidautorun: RAID_AUTORUN failed: 19
> Making device-mapper control node
> Scanning logical volumes
>   Reading all physical volumes.  This may take a while...
> cdrom: open failed.
>   No volume groups found
> Activating logical volumes
> cdrom: open failed.
>   Unable to find volume group "xenvg"
> ERROR: /bin/lvm exited abnormally! (pid 794) Creating root 
> device Mounting root filesystem
> mount: error 6 mounting ext2
> mount: error 2 mounting none
> Switching to new root
> switchroot: mount failed: 22
> umount /initrd/dev failed: 2
> Kernel panic - not syncing: Attempted to kill init!
>  (XEN) Domain 0 shutdown: rebooting machine.
> 
> 
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