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Re: [Xen-users] DomU boot problem in Xen 3.2 (Important)
| To: | weiming <zephyr.zhao@xxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-users] DomU boot problem in Xen 3.2 (Important) |
| From: | Dushmant Mohapatra <d_mpatra@xxxxxxxxx> |
| Date: | Thu, 6 Mar 2008 23:01:14 -0800 (PST) |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx, xen-users@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Thu, 06 Mar 2008 23:01:52 -0800 |
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Hi, Well my domU boot problem is solved . I just had to change the line <extra = fastboot> to <extra = "xencons=tty">. Thanks for all your help. But I have some doubts and if some one can provide me answers I will really appreciate that. I am attaching the 'dmesg' output of domainU at the end of this mail. So some of my questions will be based on that. 1. So what happened on adding "xencons=tty". I read xen documentation and this should be the default behavior. But if I compare the boot time messages from my earlier domU installation attempts and current : earlier I got the output message "Xen virtual console succesfully installed as svc0". Now it has become "Xen virtual console succesfully installed as tty1". I had tried earlier adding console=xvc0 to the extra line. but that did not work. 2. Other than that I keep on seeing some error messages in the domU boottime : "No mptable found" "ACPI: Interpreter disabled." "pnp: PnP ACPI: disabled" "PNP: No PS/2 controller found. Probing ports directly." "i8042.c: No controller found." "XENBUS: Device with no driver: device/console/0" "EDD information not available." "register_blkdev: cannot get major 8 for sd" Can any one explain some of these and if there is any way to get rid of them? In the Xen Faq for the last line ("register_blkdev: cannot get major 8 for sd") they say to disbale CONFIG_SCSI. But I use the same kernel for dom0 and domU and I have SCSI drives. So I do not think that will be good solution. Also another thing is I do not see any of these messages during dom0 boot (although I use the same kernel in both the cases). Is there any explanation for that. 3. Another issue I am facing is that, my dom0 does not shutdown properly. On shutting down it goes till SystemHalting and Poweroff and then remains there. Real shut down does not happen. I have tried playing with some ACPI config options during the kernel compilation . But that does not help. Any one knows any solution for this. Do I need to provide some kind of boot parameter like "ACPI f" in my grub file. 4. Finally my domU after booting does not have network access. I have brutils installed. But I do not see any xenbr0 in my dom0. (probably peth0 works as a bridge.). Though I have not looked into detail for this problem. But if any one can provide any pointers to this issue, that will be a real help. Thanks Dushmanta <<<<<<<<<<<<<<<<<<<<<<<<<<<<dmesg output>>>>>> -bash-3.2# dmesg Bootdata ok (command line is root=/dev/sda1 xencons=tty) Linux version 2.6.18.8-xen (root@dmcomp) (gcc version 4.1.2 20070925 (Red Hat 4.1.2-33)) #5 SMP Thu Mar 6 22:50:09 EST 2008 BIOS-provided physical RAM map: Xen: 0000000000000000 - 0000000010800000 (usable) On node 0 totalpages: 66660 DMA zone: 4040 pages, LIFO batch:0 DMA32 zone: 62620 pages, LIFO batch:15 No mptable found. Built 1 zonelists. Total pages: 66660 Kernel command line: root=/dev/sda1 xencons=tty Initializing CPU#0 PID hash table entries: 2048 (order: 11, 16384 bytes) Xen reported: 1729.518 MHz processor. Console: colour dummy device 80x25 Dentry cache hash table entries: 65536 (order: 7, 524288 bytes) Inode-cache hash table entries: 32768 (order: 6, 262144 bytes) Software IO TLB disabled Memory: 241916k/270336k available (2752k kernel code, 19880k reserved, 1007k data, 176k init) Calibrating delay using timer specific routine.. 3461.03 BogoMIPS (lpj=17305197) Security Framework v1.0.0 initialized Capability LSM initialized Mount-cache hash table entries: 256 CPU: L1 I cache: 32K, L1 D cache: 32K CPU: L2 cache: 2048K CPU: Physical Processor ID: 0 CPU: Processor Core ID: 1 SMP alternatives: switching to UP code Freeing SMP alternatives: 32k freed Brought up 1 CPUs migration_cost=0 checking if image is initramfs... it is Freeing initrd memory: 9508k freed PM: Adding info for No Bus:platform NET: Registered protocol family 16 PM: Adding info for No Bus:xen PM: Adding info for No Bus:xen-backend PM: Adding info for xen:vbd-2049 PM: Adding info for xen:vbd-2050 PM: Adding info for xen:vif-0 PM: Adding info for xen:console-0 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. PCI: System does not support PCI PCI: System does not support PCI pnp: the driver 'system' has been registered NET: Registered protocol family 2 IP route cache hash table entries: 4096 (order: 3, 32768 bytes) TCP established hash table entries: 16384 (order: 6, 262144 bytes) TCP bind hash table entries: 8192 (order: 5, 131072 bytes) TCP: Hash tables configured (established 16384 bind 8192) TCP reno registered IA-32 Microcode Update Driver: v1.14a-xen <tigran@xxxxxxxxxxx> audit: initializing netlink socket (disabled) audit(1204870347.465:1): initialized VFS: Disk quotas dquot_6.5.1 Dquot-cache hash table entries: 512 (order 0, 4096 bytes) JFS: nTxBlock = 2048, nTxLock = 16384 SGI XFS with ACLs, security attributes, realtime, large block/inode numbers, no debug enabled SGI XFS Quota Management subsystem Initializing Cryptographic API io scheduler noop registered io scheduler anticipatory registered io scheduler deadline registered io scheduler cfq registered (default) PM: Adding info for platform:vesafb.0 rtc: IRQ 8 is not free. Non-volatile memory driver v1.2 RAMDISK driver initialized: 16 RAM disks of 16384K size 1024 blocksize loop: loaded (max 8 devices) Xen virtual console successfully installed as tty1 Event-channel device installed. netfront: Initialising virtual ethernet driver. Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2 ide: Assuming 50MHz system bus speed for PIO modes; override with idebus=xx pnp: the driver 'ide' has been registered pnp: the driver 'i8042 kbd' has been registered pnp: the driver 'i8042 aux' has been registered pnp: the driver 'i8042 kbd' has been unregistered pnp: the driver 'i8042 aux' has been unregistered PNP: No PS/2 controller found. Probing ports directly. PM: Adding info for platform:i8042 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 NET: Registered protocol family 1 NET: Registered protocol family 17 xen-vbd: registered block device major 8 blkfront: sda1: barriers enabled blkfront: sda2: barriers enabled XENBUS: Device with no driver: device/console/0 BIOS EDD facility v0.16 2004-Jun-25, 0 devices found EDD information not available. Freeing unused kernel memory: 176k freed usbcore: registered new driver usbfs usbcore: registered new driver hub ohci_hcd: 2005 April 22 USB 1.1 'Open' Host Controller (OHCI) Driver (PCI) USB Universal Host Controller Interface driver v3.0 SCSI subsystem initialized register_blkdev: cannot get major 8 for sd libata version 2.00 loaded. device-mapper: ioctl: 4.7.0-ioctl (2006-06-24) initialised: dm-devel@xxxxxxxxxx Adaptec aacraid driver (1.1-5[2409]-mh2) EXT3-fs: INFO: recovery required on readonly filesystem. EXT3-fs: write access will be enabled during recovery. kjournald starting. Commit interval 5 seconds EXT3-fs: recovery complete. EXT3-fs: mounted filesystem with ordered data mode. EXT3 FS on sda1, internal journal Adding 65528k swap on /dev/sda2. Priority:-1 extents:1 across:65528k >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ----- Original Message
---- From: weiming <zephyr.zhao@xxxxxxxxx> To: Dushmant Mohapatra <d_mpatra@xxxxxxxxx> Cc: xen-users@xxxxxxxxxxxxxxxxxxx Sent: Wednesday, March 5, 2008 11:09:26 AM Subject: Re: [Xen-users] DomU boot problem in Xen 3.2 (Important) 1. I can' remember exactly. Basically, I do make prep-kernels KERNELS="linux-2.6-xen" cd <build-linux-2.6.18-xen-...> make menuconfig make all In menuconfig, I just disable some unnecessary device drivers etc. No special tweaking. 2. I use both xenU (more lightweight) and xen (works for both dom0 and domU). Both are ok. 3. I use separate partitions. 4. attached Hope it helps! Good Luck Weiming
On Wed, Mar 5, 2008 at 10:34 AM, Dushmant Mohapatra <d_mpatra@xxxxxxxxx> wrote:
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