RE: [Fedora-xen] Problem booting jailtime images

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>-----Original Message-----
>From: Murat Işık [mailto:muratisik@xxxxxxxxxxxxxxxxx]
>Sent: 2006年4月1日 4:04
>To: fedora-xen@xxxxxxxxxx
>Cc: You, Yongkang
>Subject: RE: [Fedora-xen] Problem booting jailtime images
>
>Hello,
>
>
>[root@muratisik fedora]# cat fedora.fc4.xen.cfg
>kernel = "/boot/vmlinuz-2.6.16-1.2080_FC5xen0"

I didn't try to use a xen0 kernel to boot xenU before. I am not sure if it is okay. But I think you can try vmlinuz-2.6.16-1.2080_FC5xenU which comes from another Xen RPMs.

>memory = 128
>name = "fedora.fc4"
>nics = 1
>dhcp = "dhcp"
>disk = ['file:/xen/fedora/fedora.fc4.img,sda1,w',
>'file:/xen/fedora/fedora.swap,sda2,w']

Although I think this config won't cause the error you meet, I suggest firstly let us try only use 1 disk for "/" and remove the swap disk config in here and fstab. If it can boot, then try to add swap back. :)

>root = "/dev/sda1 ro"
>
>[root@muratisik fedora]# mount -o loop fedora.fc4.img /mnt/
>
>[root@muratisik fedora]# cat /mnt/etc/fstab
># This file is edited by fstab-sync - see 'man fstab-sync' for details
>/dev/sda1               /                       ext3    defaults 1 1
>/dev/sda2               none                    swap    sw       0 0
>none                    /dev/pts                devpts
>gid=5,mode=620 0 0
>none                    /dev/shm                tmpfs   defaults 0 0
>none                    /proc                   proc    defaults 0 0
>none                    /sys                    sysfs   defaults 0 0
>
>[root@muratisik fedora]# umount /mnt/
>
>[root@muratisik fedora]# xm create fedora.fc4.xen.cfg -c
>
>and the error appears:
>
>...
>md: ... autorun DONE.
>VFS: Cannot open root device "sda1" or unknown-block(0,0)
>Please append a correct "root=" boot option
>Kernel panic - not syncing: VFS: Unable to mount root fs on
>unknown-block(0,0)
> [<c011c42c>] panic+0x3c/0x190
> [<c03c6a5c>] mount_block_root+0x19c/0x1aa
> [<c03c6ab3>] mount_root+0x49/0x4e
> [<c03c6b78>] prepare_namespace+0xc0/0xf1
> [<c0102267>] init+0x23e/0x2fe
> [<c0102029>] init+0x0/0x2fe
> [<c01029ad>] kernel_thread_helper+0x5/0xb
>
>
>Then I changed both image's fstab to hda1 and hda2 , also editted cfg to
>match hdas. and I get the same error. any ideas? is there any more
>information (log, config, debug vs.) I can supply?

Maybe you can try another thing. Is your image file's dev/ folder empty? If so, please mount the xenU image file, and copy your local /dev/* to image file's dev/ . My xenU dev/ has all device file prepared. ;)

>
>have a nice day.
>


Best Regards,
Yongkang (Kangkang) 永康


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