On Thu, Jun 25, 2009 at 6:20 PM, Han, Weidong<weidong.han@xxxxxxxxx> wrote:
> I tried with latest Xen unstable (c/s 19833) with latest pvops dom0 (commit
> 384a55c0). Booting will hang, following is the serial console output:
>
> (XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input to
> Xen
> )
> (XEN) Freed 128kB init memory.
> mapping kernel into physical memory
> Xen: setup ISA identity maps
> about to get started...
> (XEN) ioapic_guest_write: apic=0, pin=2, old_irq=0, new_irq=-1
> (XEN) ioapic_guest_write: old_entry=000009f0, new_entry=00010900
> (XEN) ioapic_guest_write: Attempt to remove IO-APIC pin of in-use IRQ!
> (XEN) ioapic_guest_write: apic=0, pin=4, old_irq=4, new_irq=-1
> (XEN) ioapic_guest_write: old_entry=000009f1, new_entry=00010900
> (XEN) ioapic_guest_write: Attempt to remove IO-APIC pin of in-use IRQ!
> (XEN) ioapic_guest_write: apic=0, pin=0, old_irq=-1, new_irq=0
> (XEN) ioapic_guest_write: old_entry=00010900, new_entry=000009f0
> (XEN) ioapic_guest_write: Attempt to add IO-APIC pin for in-use IRQ!
> (XEN) ioapic_guest_write: apic=0, pin=19, old_irq=19, new_irq=19
> (XEN) ioapic_guest_write: old_entry=0000a9c0, new_entry=0001a9c0
> (XEN) ioapic_guest_write: Attempt to modify IO-APIC pin for in-use IRQ!
> (XEN) ioapic_guest_write: apic=0, pin=19, old_irq=19, new_irq=19
> (XEN) ioapic_guest_write: old_entry=0000a9c0, new_entry=0001a9c0
> (XEN) ioapic_guest_write: Attempt to modify IO-APIC pin for in-use IRQ!
> (XEN) ioapic_guest_write: apic=0, pin=23, old_irq=23, new_irq=23
> (XEN) ioapic_guest_write: old_entry=0000a9d0, new_entry=0001a9d0
> (XEN) ioapic_guest_write: Attempt to modify IO-APIC pin for in-use IRQ!
> (XEN) ioapic_guest_write: apic=0, pin=19, old_irq=19, new_irq=19
> (XEN) ioapic_guest_write: old_entry=0000a9c0, new_entry=0001a9c0
> (XEN) ioapic_guest_write: Attempt to modify IO-APIC pin for in-use IRQ!
> (XEN) ioapic_guest_write: apic=0, pin=16, old_irq=16, new_irq=16
> (XEN) ioapic_guest_write: old_entry=0000a9b8, new_entry=0001a9b8
> (XEN) ioapic_guest_write: Attempt to modify IO-APIC pin for in-use IRQ!
> (XEN) ioapic_guest_write: apic=0, pin=18, old_irq=18, new_irq=18
> (XEN) ioapic_guest_write: old_entry=0000a921, new_entry=0001a921
> (XEN) ioapic_guest_write: Attempt to modify IO-APIC pin for in-use IRQ!
>
>
> Did anyone meet this issue? Is there any difference on build and installation
> between pvops dom0 and 2.6.18 dom0? Following is my instructions, pls correct
> me if something is wrong. Appreciate in advance.
>
> My build and installation instructions:
> - cd xen-unstable.hg
> - make world (linux-2.6-pvops.git will be cloned)
> - make install
>
> My grub entry:
> title Xen - pvops
> root (hd0,2)
> kernel /boot/xen.gz dom0_mem=512m
> module /boot/vmlinuz-2.6-30.rc3-tip ro root=/dev/sda3
> console=tty0 console=ttyS0
>
> I also tried build pvops dom0 manually as follows, but it doesn't help.
> - cd linux-2.6-pvops.git
> - make
> - make modules_install
> - make install
>
I am not quite sure if that is the correct way to recompile kernel, as
sometimes I have some problems with Dom0 booting after that.
I usually recompile Dom0 kernel this way: (from the root directory)
# make linux-2.6-xen-config (to configure kernel options)
# make linux-2.6-xen-build
# make linux-2.6-xen-install
Then dont forget to "mkinitramfs", of course
Thanks,
J
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