Re: [Xen-users] RH domU doesn't see disk?

[Martin Goldstone <m.j.goldstone@xxxxxxxxxxxxxxx>]

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What have you got set as your root device in the guest's config?  I
can't see any mention of what root device it's trying to use.  If you
don't already have it, in your config you should have a root="/dev/sda1
ro", I think.

Additionally, if the kernel you are using does not have the xenblk
driver compiled in (I'm not sure that kernel does), you'll need an
initrd with that driver in.

Mart

Andrey Dmitriev wrote:
> more /etc/xen/scalix2
> kernel="/boot/vmlinuz-2.6.18-8.1.6.el5xen"
> 
> memory = 512
> name   = "hating-xen"
> 
> vif    = ['ip = "10.0.1.150", bridge=xenbr0']
> 
> 
> 
> disk   = [
>           '/dev/XEN/scalixroot,sda1,w',
>          '/dev/XEN/scalixvar,sda3,w',
>          '/dev/XEN/scalixswap,sda2,w'
>          ]
> 
> 
> It refuses to see the disk(s). I tried 
> 
> 'phy:/XEN...'
> 'phy:/dev/XEN/...'
> 
> [root@mt-mail1 xen]# ls  -ltrh /dev/XEN/
> total 0
> lrwxrwxrwx 1 root root 26 Jul 16 23:48 scalixswap -> 
> /dev/mapper/XEN-scalixswap
> lrwxrwxrwx 1 root root 26 Jul 16 23:48 scalixboot -> 
> /dev/mapper/XEN-scalixboot
> lrwxrwxrwx 1 root root 26 Jul 16 23:48 scalixroot -> 
> /dev/mapper/XEN-scalixroot
> lrwxrwxrwx 1 root root 25 Jul 16 23:48 scalixvar -> 
> /dev/mapper/XEN-scalixvar
> lrwxrwxrwx 1 root root 20 Jul 16 23:48 test -> /dev/mapper/XEN-test
> 
> 
> 
> [root@mt-mail1 xen]# xm create -c scalix2
> Using config file "/etc/xen/scalix2".
> Started domain hating-xen
> Bootdata ok (command line is )
> Linux version 2.6.18-8.1.6.el5xen 
> (brewbuilder@xxxxxxxxxxxxxxxxxxxxxxxxxxx) (gcc version 4.1.1 20070105 
> (Red Hat 4.1.1-52)) #1 SMP Fri Jun 1 19:06:54 EDT 2007
> BIOS-provided physical RAM map:
>  Xen: 0000000000000000 - 0000000020800000 (usable)
> No mptable found.
> Built 1 zonelists.  Total pages: 133120
> Kernel command line:
> Initializing CPU#0
> PID hash table entries: 4096 (order: 12, 32768 bytes)
> Xen reported: 2591.858 MHz processor.
> Console: colour dummy device 80x25
> Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes)
> Inode-cache hash table entries: 65536 (order: 7, 524288 bytes)
> Software IO TLB disabled
> Memory: 507648k/532480k available (2321k kernel code, 16012k reserved, 
> 1312k data, 168k init)
> Calibrating delay using timer specific routine.. 6481.82 BogoMIPS 
> (lpj=12963642)
> Security Framework v1.0.0 initialized
> SELinux:  Initializing.
> SELinux:  Starting in permissive mode
> selinux_register_security:  Registering secondary module capability
> Capability LSM initialized as secondary
> Mount-cache hash table entries: 256
> CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
> CPU: L2 Cache: 1024K (64 bytes/line)
> (SMP-)alternatives turned off
> Brought up 1 CPUs
> Grant table initialized
> NET: Registered protocol family 16
> ACPI Exception (utmutex-0262): AE_BAD_PARAMETER, Thread 2B7A0 could not 
> acquire Mutex [2] [20060707]
> Brought up 1 CPUs
> PCI: setting up Xen PCI frontend stub
> ACPI: Interpreter disabled.
> Linux Plug and Play Support v0.97 (c) Adam Belay
> pnp: PnP ACPI: disabled
> xen_mem: Initialising balloon driver.
> usbcore: registered new driver usbfs
> usbcore: registered new driver hub
> PCI: System does not support PCI
> PCI: System does not support PCI
> NetLabel: Initializing
> NetLabel:  domain hash size = 128
> NetLabel:  protocols = UNLABELED CIPSOv4
> NetLabel:  unlabeled traffic allowed by default
> NET: Registered protocol family 2
> IP route cache hash table entries: 32768 (order: 6, 262144 bytes)
> TCP established hash table entries: 131072 (order: 9, 2097152 bytes)
> TCP bind hash table entries: 65536 (order: 8, 1048576 bytes)
> TCP: Hash tables configured (established 131072 bind 65536)
> TCP reno registered
> IA-32 Microcode Update Driver: v1.14-xen <tigran@xxxxxxxxxxx>
> audit: initializing netlink socket (disabled)
> audit(1184648926.704:1): initialized
> VFS: Disk quotas dquot_6.5.1
> Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
> SELinux:  Registering netfilter hooks
> Initializing Cryptographic API
> ksign: Installing public key data
> Loading keyring
> - Added public key 6D2331E92F4CAAD
> - User ID: Red Hat, Inc. (Kernel Module GPG key)
> 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
> rtc: IRQ 8 is not free.
> Non-volatile memory driver v1.2
> Linux agpgart interface v0.101 (c) Dave Jones
> RAMDISK driver initialized: 16 RAM disks of 16384K size 4096 blocksize
> Xen virtual console successfully installed as xvc0
> Bootdata ok (command line is )
> Linux version 2.6.18-8.1.6.el5xen 
> (brewbuilder@xxxxxxxxxxxxxxxxxxxxxxxxxxx) (gcc version 4.1.1 20070105 
> (Red Hat 4.1.1-52)) #1 SMP Fri Jun 1 19:06:54 EDT 2007
> BIOS-provided physical RAM map:
>  Xen: 0000000000000000 - 0000000020800000 (usable)
> No mptable found.
> Built 1 zonelists.  Total pages: 133120
> Kernel command line:
> Initializing CPU#0
> PID hash table entries: 4096 (order: 12, 32768 bytes)
> Xen reported: 2591.858 MHz processor.
> Console: colour dummy device 80x25
> Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes)
> Inode-cache hash table entries: 65536 (order: 7, 524288 bytes)
> Software IO TLB disabled
> Memory: 507648k/532480k available (2321k kernel code, 16012k reserved, 
> 1312k data, 168k init)
> Calibrating delay using timer specific routine.. 6481.82 BogoMIPS 
> (lpj=12963642)
> Security Framework v1.0.0 initialized
> SELinux:  Initializing.
> SELinux:  Starting in permissive mode
> selinux_register_security:  Registering secondary module capability
> Capability LSM initialized as secondary
> Mount-cache hash table entries: 256
> CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
> CPU: L2 Cache: 1024K (64 bytes/line)
> (SMP-)alternatives turned off
> Brought up 1 CPUs
> Grant table initialized
> NET: Registered protocol family 16
> ACPI Exception (utmutex-0262): AE_BAD_PARAMETER, Thread 2B7A0 could not 
> acquire Mutex [2] [20060707]
> Brought up 1 CPUs
> PCI: setting up Xen PCI frontend stub
> ACPI: Interpreter disabled.
> Linux Plug and Play Support v0.97 (c) Adam Belay
> pnp: PnP ACPI: disabled
> xen_mem: Initialising balloon driver.
> usbcore: registered new driver usbfs
> usbcore: registered new driver hub
> PCI: System does not support PCI
> PCI: System does not support PCI
> NetLabel: Initializing
> NetLabel:  domain hash size = 128
> NetLabel:  protocols = UNLABELED CIPSOv4
> NetLabel:  unlabeled traffic allowed by default
> NET: Registered protocol family 2
> IP route cache hash table entries: 32768 (order: 6, 262144 bytes)
> TCP established hash table entries: 131072 (order: 9, 2097152 bytes)
> TCP bind hash table entries: 65536 (order: 8, 1048576 bytes)
> TCP: Hash tables configured (established 131072 bind 65536)
> TCP reno registered
> IA-32 Microcode Update Driver: v1.14-xen <tigran@xxxxxxxxxxx>
> audit: initializing netlink socket (disabled)
> audit(1184648926.704:1): initialized
> VFS: Disk quotas dquot_6.5.1
> Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
> SELinux:  Registering netfilter hooks
> Initializing Cryptographic API
> ksign: Installing public key data
> Loading keyring
> - Added public key 6D2331E92F4CAAD
> - User ID: Red Hat, Inc. (Kernel Module GPG key)
> 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
> rtc: IRQ 8 is not free.
> Non-volatile memory driver v1.2
> Linux agpgart interface v0.101 (c) Dave Jones
> RAMDISK driver initialized: 16 RAM disks of 16384K size 4096 blocksize
> Xen virtual console successfully installed as xvc0
> Event-channel device installed.
> Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
> ide: Assuming 50MHz system bus speed for PIO modes; override with 
> idebus=xx
> ide-floppy driver 0.99.newide
> usbcore: registered new driver hiddev
> usbcore: registered new driver usbhid
> drivers/usb/input/hid-core.c: v2.6:USB HID core driver
> PNP: No PS/2 controller found. Probing ports directly.
> i8042.c: No controller found.
> mice: PS/2 mouse device common for all mice
> md: md driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27
> md: bitmap version 4.39
> TCP bic registered
> Initializing IPsec netlink socket
> NET: Registered protocol family 1
> NET: Registered protocol family 17
> XENBUS: Device with no driver: device/vbd/2049
> XENBUS: Device with no driver: device/vbd/2051
> XENBUS: Device with no driver: device/vbd/2050
> XENBUS: Device with no driver: device/vif/0
> md: Autodetecting RAID arrays.
> md: autorun ...
> md: ... autorun DONE.
> attempt to access beyond end of device
> ram0: rw=0, want=18446744056529682440, limit=32768
> isofs_fill_super: bread failed, dev=ram0, iso_blknum=17, 
> block=-2147483648
> No filesystem could mount root, tried:  ext2 iso9660
> Kernel panic - not syncing: VFS: Unable to mount root fs on 
> unknown-block(1,0)
> 
> 
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
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