current kvm userspace git doesn't compile on i386

current kvm userspace git doesn't compile on i386

[Christoph Hellwig]

Current kvm userspace git configured with ./configure --prefix=/opt/kvm --with-patched-kernel --qemu-cc=/usr/bin/gcc-3.4 gives:

/usr/bin/gcc-3.4  -L /home/hch/work/kvm-userspace/qemu/../libkvm  -g -o qemu-system-x86_64 vl.o osdep.o monitor.o pci.o loader.o isa_mmio.o migration.o block-raw-posix.o lsi53c895a.o usb-ohci.o eeprom93xx.o eepro100.o ne2000.o pcnet.o rtl8139.o hypercall.o virtio.o virtio-net.o virtio-blk.o ide.o pckbd.o ps2.o vga.o sb16.o es1370.o dma.o fdc.o mc146818rtc.o serial.o i8259.o i8254.o pcspk.o pc.o cirrus_vga.o apic.o parallel.o acpi.o piix_pci.o usb-uhci.o vmmouse.o vmport.o vmware_vga.o extboot.o gdbstub.o ../libqemu_common.a libqemu.a /home/hch/work/kvm-userspace/qemu/../libkvm/libkvm.a  -lm -lz -lkvm -lgnutls   -L/usr/lib -lSDL  -lrt -lpthread -lutil
libqemu.a(kvm-tpr-opt.o): In function `enable_vapic':
/home/hch/work/kvm-userspace/qemu/kvm-tpr-opt.c:221: undefined reference to `kvm_enable_vapic'
libqemu.a(kvm-tpr-opt.o): In function `kvm_tpr_opt_setup':
/home/hch/work/kvm-userspace/qemu/kvm-tpr-opt.c:287: undefined reference to `kvm_enable_tpr_access_reporting'
collect2: ld returned 1 exit status
make[2]: *** [qemu-system-x86_64] Error 1
make[2]: Leaving directory
`/home/hch/work/kvm-userspace/qemu/x86_64-softmmu'
make[1]: *** [subdir-x86_64-softmmu] Error 2
make[1]: Leaving directory `/home/hch/work/kvm-userspace/qemu'
make: *** [qemu] Error 2


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Re: current kvm userspace git doesn't compile on i386

[Uri Lublin]

Christoph Hellwig wrote:
> Current kvm userspace git configured with ./configure --prefix=/opt/kvm --with-patched-kernel --qemu-cc=/usr/bin/gcc-3.4 gives:
>
> /usr/bin/gcc-3.4  -L /home/hch/work/kvm-userspace/qemu/../libkvm  -g -o qemu-system-x86_64 vl.o osdep.o monitor.o pci.o loader.o isa_mmio.o migration.o block-raw-posix.o lsi53c895a.o usb-ohci.o eeprom93xx.o eepro100.o ne2000.o pcnet.o rtl8139.o hypercall.o virtio.o virtio-net.o virtio-blk.o ide.o pckbd.o ps2.o vga.o sb16.o es1370.o dma.o fdc.o mc146818rtc.o serial.o i8259.o i8254.o pcspk.o pc.o cirrus_vga.o apic.o parallel.o acpi.o piix_pci.o usb-uhci.o vmmouse.o vmport.o vmware_vga.o extboot.o gdbstub.o ../libqemu_common.a libqemu.a /home/hch/work/kvm-userspace/qemu/../libkvm/libkvm.a  -lm -lz -lkvm -lgnutls   -L/usr/lib -lSDL  -lrt -lpthread -lutil
> libqemu.a(kvm-tpr-opt.o): In function `enable_vapic':
> /home/hch/work/kvm-userspace/qemu/kvm-tpr-opt.c:221: undefined reference to `kvm_enable_vapic'
> libqemu.a(kvm-tpr-opt.o): In function `kvm_tpr_opt_setup':
> /home/hch/work/kvm-userspace/qemu/kvm-tpr-opt.c:287: undefined reference to `kvm_enable_tpr_access_reporting'
> collect2: ld returned 1 exit status
> make[2]: *** [qemu-system-x86_64] Error 1
> make[2]: Leaving directory
> `/home/hch/work/kvm-userspace/qemu/x86_64-softmmu'
> make[1]: *** [subdir-x86_64-softmmu] Error 2
> make[1]: Leaving directory `/home/hch/work/kvm-userspace/qemu'
> make: *** [qemu] Error 2
>   
Try to build the kernel modules too (remove '--with-patched-kernel' from 
./configure arguments ):
./configure --prefix=/opt/kvm --qemu-cc=/usr/bin/gcc-3.4 ; make -C 
kernel LINUX=<path-to-linux-git-tree> sync; make
You will have to rmmod current kvm modules and insmod the built modules 
under <KVMDIR>/kernel.


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Re: current kvm userspace git doesn't compile on i386

[Christoph Hellwig]

On Sun, Jan 13, 2008 at 01:37:11PM +0200, Uri Lublin wrote:
> Try to build the kernel modules too (remove '--with-patched-kernel' from 
> ./configure arguments ):
> ./configure --prefix=/opt/kvm --qemu-cc=/usr/bin/gcc-3.4 ; make -C 
> kernel LINUX=<path-to-linux-git-tree> sync; make
> You will have to rmmod current kvm modules and insmod the built modules 
> under <KVMDIR>/kernel.

This doesn't work with rsync complaining.  But I don't really want new
kernel code anyway, and I would be very surprised if building a
different kernel would fix a userspace link error given the obvious
boundary between kernel and userspace code.


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Re: current kvm userspace git doesn't compile on i386

[Uri Lublin]

Christoph Hellwig wrote:
> On Sun, Jan 13, 2008 at 01:37:11PM +0200, Uri Lublin wrote:
>   
>> Try to build the kernel modules too (remove '--with-patched-kernel' from 
>> ./configure arguments ):
>> ./configure --prefix=/opt/kvm --qemu-cc=/usr/bin/gcc-3.4 ; make -C 
>> kernel LINUX=<path-to-linux-git-tree> sync; make
>> You will have to rmmod current kvm modules and insmod the built modules 
>> under <KVMDIR>/kernel.
>>     
>
> This doesn't work with rsync complaining.  But I don't really want new
> kernel code anyway, and I would be very surprised if building a
> different kernel would fix a userspace link error given the obvious
> boundary between kernel and userspace code.
>   
I'm not suggesting to build the whole kernel, just the kvm-modules 
(instead of using the kvm-modules that came with linux).
It seems that your current kvm modules know nothing about vapic, while 
your kvm-userspace assumes they do.

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Re: current kvm userspace git doesn't compile on i386

[Christoph Hellwig]

On Sun, Jan 13, 2008 at 01:37:11PM +0200, Uri Lublin wrote:
> Try to build the kernel modules too (remove '--with-patched-kernel' from 
> ./configure arguments ):
> ./configure --prefix=/opt/kvm --qemu-cc=/usr/bin/gcc-3.4 ; make -C 
> kernel LINUX=<path-to-linux-git-tree> sync; make
> You will have to rmmod current kvm modules and insmod the built modules 
> under <KVMDIR>/kernel.

A ./configure --prefix=/opt/kvm --kerneldir=/home/hch/work/linux-2.6-xfs
gives the same error as in my first post.  Your suggestion
(./configure --prefix=/opt/kvm --qemu-cc=/usr/bin/gcc-3.4;
 make -C kernel/ LINUX=/home/hch/work/linux-2.6-xfs) gives the
 following:

make[4]: *** No rule to make target `/home/hch/work/kvm-userspace/kernel/svm.o', needed by `/home/hch/work/kvm-userspace/kernel/kvm.o'.  Stop.



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