I resolved the dmesg problem, it seems..
Looking my dmesg I (maybe) found the problem.. Following lines are about my
standard mandrake kernel boot:
VP_IDE: IDE controller at PCI slot 0000:00:04.1
VP_IDE: chipset revision 16
VP_IDE: not 100% native mode: will probe irqs later
VP_IDE: VIA vt82c686a (rev 22) IDE UDMA66 controller on pci0000:00:04.1
ide0: BM-DMA at 0xd800-0xd807, BIOS settings: hda:DMA, hdb:pio
ide1: BM-DMA at 0xd808-0xd80f, BIOS settings: hdc:DMA, hdd:pio
Probing IDE interface ide0...
hda: LITE-ON LTR-24102B, ATAPI CD/DVD-ROM drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
Probing IDE interface ide1...
hdc: DVD-RW IDE1004, ATAPI CD/DVD-ROM drive
ide1 at 0x170-0x177,0x376 on irq 15
PDC20265: IDE controller at PCI slot 0000:00:11.0
PCI: Found IRQ 10 for device 0000:00:11.0
PDC20265: chipset revision 2
PDC20265: 100% native mode on irq 10
PDC20265: (U)DMA Burst Bit ENABLED Primary PCI Mode Secondary PCI Mode.
ide2: BM-DMA at 0x8000-0x8007, BIOS settings: hde:DMA, hdf:pio
ide3: BM-DMA at 0x8008-0x800f, BIOS settings: hdg:pio, hdh:pio
Probing IDE interface ide2...
hde: Maxtor 6Y080L0, ATA DISK drive
ide2 at 0x9400-0x9407,0x9002 on irq 10
Probing IDE interface ide3...
hde: max request size: 128KiB
hde: 160086528 sectors (81964 MB) w/2048KiB Cache, CHS=65535/16/63, UDMA(100)
hde: cache flushes supported
/dev/ide/host2/bus0/target0/lun0: p1 p2 < p5 p6 >
mice: PS/2 mouse device common for all mice
input: AT Translated Set 2 keyboard on isa0060/serio0
md: md driver 0.90.1 MAX_MD_DEVS=256, MD_SB_DISKS=27
NET: Registered protocol family 2
IP: routing cache hash table of 4096 buckets, 32Kbytes
TCP established hash table entries: 32768 (order: 6, 262144 bytes)
TCP bind hash table entries: 32768 (order: 5, 131072 bytes)
TCP: Hash tables configured (established 32768 bind 32768)
NET: Registered protocol family 1
BIOS EDD facility v0.16 2004-Jun-25, 1 devices found
devfs_mk_dev: could not append to parent for md/0
md: Autodetecting RAID arrays.
md: autorun ...
md: ... autorun DONE.
RAMDISK: cramfs filesystem found at block 0
RAMDISK: Loading 140KiB [1 disk] into ram disk... done.
VFS: Mounted root (cramfs filesystem) readonly.
kjournald starting. Commit interval 5 seconds
EXT3-fs: mounted filesystem with ordered data mode.
When I boot the Xen kernel, it seems it doesn't detect my UDMA controller,
Because I can't se those lines:
PDC20265: IDE controller at PCI slot 0000:00:11.0
PCI: Found IRQ 10 for device 0000:00:11.0
PDC20265: chipset revision 2
PDC20265: 100% native mode on irq 10
PDC20265: (U)DMA Burst Bit ENABLED Primary PCI Mode Secondary PCI Mode.
ide2: BM-DMA at 0x8000-0x8007, BIOS settings: hde:DMA, hdf:pio
ide3: BM-DMA at 0x8008-0x800f, BIOS settings: hdg:pio, hdh:pio
Probing IDE interface ide2...
hde: Maxtor 6Y080L0, ATA DISK drive
ide2 at 0x9400-0x9407,0x9002 on irq 10
It's a known problem? There's a patch somewhere?
Thank you.
Davide
On Monday 14 March 2005 08:08 pm, davide wrote:
> On Monday 14 March 2005 06:29 pm, Mark Williamson wrote:
> > > I don't know if this is the right place to post, but I can't find any
> > > info about my problem on the net.
> >
> > Yes, this is the right place.
> >
> > > title Xen2610
> > > kernel /boot/xen.gz dom0_mem=131072 console=vga
> > > module /boot/vmlinuz-2.6.10-xen0 root=/dev/hde1 ro console=tty0
> >
> > Looks fine.
> > > But Xen kernel doesn't start. Every time I try to boot I get this error
> > > (I take a screenshot of my monitor with a digital camera, because my
> > > boot.log doesn't record anything when I boot with Xen kernel):
> > >
> > > Root-NFS: No NFS server available, giving up
> > > VFS: Unable to mount root FS via NFS, trying floppy
> > > VFS: Insert root floppy and press enter.
> > >
> > > After [enter] (I don't have any root floppy) I get:
> > >
> > > VFS: Cannot open root device "hde1" or unknown-block(2,0)
> > > Please append a correct "root=" boot option
> > > Kernel panic - not syncing: VFS: Unable to mount root fs on
> > > unknown-block(2,0)
> >
> > Sounds to me like the kernel is not detecting your hard drive device at
> > boot time. I'm moderately surprised it's not detecting it at all - what
> > hardware are you running on?
> >
> > Can you please send the output of dmesg under your working Linux kernel?
> >
> > Cheers,
> > Mark
> >
> > > This is a standard mandrake entry in grub:
> > >
> > > title 2611-2
> > > kernel (hd0,0)/boot/vmlinuz-2.6.11-2mdk root=/dev/hde1 devfs=nomount
> > > acpi=ht splash=silent vga=788
> > > initrd (hd0,0)/boot/initrd-2.6.11-2mdk.img
> > >
> > >
> > > What's going wrong?
> > >
> > > TIA.
> > >
> > > Davide.
> > >
> > >
> > >
> > >
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