kvm-16 fails to compile on Kubuntu Edgy

kvm-16 fails to compile on Kubuntu Edgy

[Martin Kaufmann]

Hi!

I tried to compile kvm-16 on Kubuntu Edgy - so far unsuccessfully. The
configure succeeds but the make process fails with the following output:

martin@Solo:~/Download/kvm-16$ ./configure --prefix=/opt/kvm
Install prefix    /opt/kvm
BIOS directory    /opt/kvm/share/qemu
binary directory  /opt/kvm/bin
Manual directory  /opt/kvm/share/man
ELF interp prefix /usr/gnemul/qemu-%M
Source path       /home/martin/Download/kvm-16/qemu
C compiler        /usr/bin/gcc-3.4
Host C compiler   gcc
make              make
install           install
host CPU          x86_64
host big endian   no
target list       x86_64-softmmu
gprof enabled     no
profiler          no
static build      no
SDL support       yes
SDL static link   yes
mingw32 support   no
Adlib support     no
CoreAudio support no
ALSA support      yes
DSound support    no
FMOD support      no
kqemu support     no
kvm support       yes
Documentation     no

martin@Solo:~/Download/kvm-16$ make
make -C kernel
make[1]: Entering directory `/home/martin/Download/kvm-16/kernel'
make -C /lib/modules/2.6.17-11-generic/build M=`pwd` "$@"
make[2]: Entering directory `/usr/src/linux-headers-2.6.17-11-generic'
  CC [M]  /home/martin/Download/kvm-16/kernel/kvm_main.o
/home/martin/Download/kvm-16/kernel/kvm_main.c: In function ‘kvmfs_get_sb’:
/home/martin/Download/kvm-16/kernel/kvm_main.c:2438: error: too many
arguments to function ‘get_sb_pseudo’
/home/martin/Download/kvm-16/kernel/kvm_main.c:2438: warning: return
makes integer from pointer without a cast
/home/martin/Download/kvm-16/kernel/kvm_main.c: At top level:
/home/martin/Download/kvm-16/kernel/kvm_main.c:2445: warning:
initialization from incompatible pointer type
make[3]: *** [/home/martin/Download/kvm-16/kernel/kvm_main.o] Error 1
make[2]: *** [_module_/home/martin/Download/kvm-16/kernel] Error 2
make[2]: Leaving directory `/usr/src/linux-headers-2.6.17-11-generic'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/home/martin/Download/kvm-16/kernel'
make: *** [kernel] Error 2

Has anyone seen this error before? And does anyone know how to get it
working?

Thanks for your help!

Martin

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Re: kvm-16 fails to compile on Kubuntu Edgy

[richardvoigt-Re5JQEeQqe8AvxtiuMwx3w]

On 3/17/07, Martin Kaufmann <martin.kaufmann-/hHgOnHb0V0qcZcGjlUOXw@public.gmane.org> wrote:
> Hi!
>
> I tried to compile kvm-16 on Kubuntu Edgy - so far unsuccessfully. The
> configure succeeds but the make process fails with the following output:
>
[snip]
> make[2]: Entering directory `/usr/src/linux-headers-2.6.17-11-generic'

That's a very old version of the kernel, compared to the age of kvm.
I think 2.6.19 is a good minimum version for building the kvm modules.
 Can you try again after updating your kernel sources?

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Re: kvm-16 fails to compile on Kubuntu Edgy

[Avi Kivity]

Martin Kaufmann wrote:
> Hi!
>
> I tried to compile kvm-16 on Kubuntu Edgy - so far unsuccessfully. The
> configure succeeds but the make process fails with the following output:
>
>
> martin@Solo:~/Download/kvm-16$ make
> make -C kernel
> make[1]: Entering directory `/home/martin/Download/kvm-16/kernel'
> make -C /lib/modules/2.6.17-11-generic/build M=`pwd` "$@"
> make[2]: Entering directory `/usr/src/linux-headers-2.6.17-11-generic'
>   CC [M]  /home/martin/Download/kvm-16/kernel/kvm_main.o
> /home/martin/Download/kvm-16/kernel/kvm_main.c: In function ‘kvmfs_get_sb’:
> /home/martin/Download/kvm-16/kernel/kvm_main.c:2438: error: too many
> arguments to function ‘get_sb_pseudo’
> /home/martin/Download/kvm-16/kernel/kvm_main.c:2438: warning: return
> makes integer from pointer without a cast
> /home/martin/Download/kvm-16/kernel/kvm_main.c: At top level:
> /home/martin/Download/kvm-16/kernel/kvm_main.c:2445: warning:
> initialization from incompatible pointer type
> make[3]: *** [/home/martin/Download/kvm-16/kernel/kvm_main.o] Error 1
> make[2]: *** [_module_/home/martin/Download/kvm-16/kernel] Error 2
> make[2]: Leaving directory `/usr/src/linux-headers-2.6.17-11-generic'
> make[1]: *** [all] Error 2
> make[1]: Leaving directory `/home/martin/Download/kvm-16/kernel'
> make: *** [kernel] Error 2
>
> Has anyone seen this error before? And does anyone know how to get it
> working?
>
> Thanks for your help!
>   

A couple of lines above the first error reported there is a 
LINUX_VERSION_CODE check.  There is a similar one surrounding 
kvmfs_get_sb() in external-module-compat.h.  Can you change both from 16 
to 17 and report?


-- 
error compiling committee.c: too many arguments to function


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Re: kvm-16 fails to compile on Kubuntu Edgy

[Martin Kaufmann]

richardvoigt-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org wrote:
> On 3/17/07, Martin Kaufmann <martin.kaufmann-/hHgOnHb0V0qcZcGjlUOXw@public.gmane.org> wrote:
>> Hi!
>>
>> I tried to compile kvm-16 on Kubuntu Edgy - so far unsuccessfully. The
>> configure succeeds but the make process fails with the following output:
>>
> [snip]
>> make[2]: Entering directory `/usr/src/linux-headers-2.6.17-11-generic'
> 
> That's a very old version of the kernel, compared to the age of kvm.
> I think 2.6.19 is a good minimum version for building the kvm modules.
> Can you try again after updating your kernel sources?

I tried that but it didn't work. However, in the meantime I installed a
new kernel and got kvm to work (see other post).

Cheers,

Martin

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Re: kvm-16 fails to compile on Kubuntu Edgy

[Martin Kaufmann]

Avi Kivity wrote:
> Martin Kaufmann wrote:
>> Hi!
>>
>> I tried to compile kvm-16 on Kubuntu Edgy - so far unsuccessfully. The
>> configure succeeds but the make process fails with the following output:
>>
>>
>> martin@Solo:~/Download/kvm-16$ make
>> make -C kernel
>> make[1]: Entering directory `/home/martin/Download/kvm-16/kernel'
>> make -C /lib/modules/2.6.17-11-generic/build M=`pwd` "$@"
>> make[2]: Entering directory `/usr/src/linux-headers-2.6.17-11-generic'
>>   CC [M]  /home/martin/Download/kvm-16/kernel/kvm_main.o
>> /home/martin/Download/kvm-16/kernel/kvm_main.c: In function
>> ‘kvmfs_get_sb’:
>> /home/martin/Download/kvm-16/kernel/kvm_main.c:2438: error: too many
>> arguments to function ‘get_sb_pseudo’
>> /home/martin/Download/kvm-16/kernel/kvm_main.c:2438: warning: return
>> makes integer from pointer without a cast
>> /home/martin/Download/kvm-16/kernel/kvm_main.c: At top level:
>> /home/martin/Download/kvm-16/kernel/kvm_main.c:2445: warning:
>> initialization from incompatible pointer type
>> make[3]: *** [/home/martin/Download/kvm-16/kernel/kvm_main.o] Error 1
>> make[2]: *** [_module_/home/martin/Download/kvm-16/kernel] Error 2
>> make[2]: Leaving directory `/usr/src/linux-headers-2.6.17-11-generic'
>> make[1]: *** [all] Error 2
>> make[1]: Leaving directory `/home/martin/Download/kvm-16/kernel'
>> make: *** [kernel] Error 2
>>
>> Has anyone seen this error before? And does anyone know how to get it
>> working?
>>
>> Thanks for your help!
>>   
> 
> A couple of lines above the first error reported there is a
> LINUX_VERSION_CODE check.  There is a similar one surrounding
> kvmfs_get_sb() in external-module-compat.h.  Can you change both from 16
> to 17 and report?

I tried that but it didn't work. However, in the meantime I installed a
new kernel and got kvm to work (see other post).

Thanks for your help.

Cheers,

Martin


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Re: kvm-16 fails to compile on Kubuntu Edgy

[Martin Kaufmann]

richardvoigt-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org wrote:
> On 3/17/07, Martin Kaufmann <martin.kaufmann-/hHgOnHb0V0qcZcGjlUOXw@public.gmane.org> wrote:
>> Hi!
>>
>> I tried to compile kvm-16 on Kubuntu Edgy - so far unsuccessfully. The
>> configure succeeds but the make process fails with the following output:
>>
> [snip]
>> make[2]: Entering directory `/usr/src/linux-headers-2.6.17-11-generic'
> 
> That's a very old version of the kernel, compared to the age of kvm.
> I think 2.6.19 is a good minimum version for building the kvm modules.
> Can you try again after updating your kernel sources?

Sorry! I just answered the wrong post. OK, I updated my kernel to
2.6.20.3 and managed to compile kvm. Btw I used kvm-12 as indicated here:

http://kvm.qumranet.com/kvmwiki/Downloads

Is this the latest version to work with a 2.6.20 kernel?

Thanks for your help.

Cheers,

Martin

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Re: kvm-16 fails to compile on Kubuntu Edgy

[richardvoigt-Re5JQEeQqe8AvxtiuMwx3w]

On 3/18/07, Martin Kaufmann <martin.kaufmann-/hHgOnHb0V0qcZcGjlUOXw@public.gmane.org> wrote:
> richardvoigt-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org wrote:
> > On 3/17/07, Martin Kaufmann <martin.kaufmann-/hHgOnHb0V0qcZcGjlUOXw@public.gmane.org> wrote:
> >> Hi!
> >>
> >> I tried to compile kvm-16 on Kubuntu Edgy - so far unsuccessfully. The
> >> configure succeeds but the make process fails with the following output:
> >>
> > [snip]
> >> make[2]: Entering directory `/usr/src/linux-headers-2.6.17-11-generic'
> >
> > That's a very old version of the kernel, compared to the age of kvm.
> > I think 2.6.19 is a good minimum version for building the kvm modules.
> > Can you try again after updating your kernel sources?
>
> Sorry! I just answered the wrong post. OK, I updated my kernel to
> 2.6.20.3 and managed to compile kvm. Btw I used kvm-12 as indicated here:
>
> http://kvm.qumranet.com/kvmwiki/Downloads
>
> Is this the latest version to work with a 2.6.20 kernel?

No, that's the version included in 2.6.20.  The updated kernel module
kvm-16 builds perfectly with a 2.6.20 kernel.

configure should compile the module as long as you don't specify
--with-patched-kernel.

>
> Thanks for your help.
>
> Cheers,
>
> Martin
>

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Re: kvm-16 fails to compile on Kubuntu Edgy

[richardvoigt-Re5JQEeQqe8AvxtiuMwx3w]

> configure should compile the module as long as you don't specify
> --with-patched-kernel.

Ok, that's a misstatement.  configure wouldn't compile the module,
just set the makefiles to do so.

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Re: kvm-16 fails to compile on Kubuntu Edgy

[Anthony Liguori]

Avi Kivity wrote:
> Martin Kaufmann wrote:
>   
>> Hi!
>>
>> I tried to compile kvm-16 on Kubuntu Edgy - so far unsuccessfully. The
>> configure succeeds but the make process fails with the following output:
>>
>>
>> martin@Solo:~/Download/kvm-16$ make
>> make -C kernel
>> make[1]: Entering directory `/home/martin/Download/kvm-16/kernel'
>> make -C /lib/modules/2.6.17-11-generic/build M=`pwd` "$@"
>> make[2]: Entering directory `/usr/src/linux-headers-2.6.17-11-generic'
>>   CC [M]  /home/martin/Download/kvm-16/kernel/kvm_main.o
>> /home/martin/Download/kvm-16/kernel/kvm_main.c: In function ‘kvmfs_get_sb’:
>> /home/martin/Download/kvm-16/kernel/kvm_main.c:2438: error: too many
>> arguments to function ‘get_sb_pseudo’
>> /home/martin/Download/kvm-16/kernel/kvm_main.c:2438: warning: return
>> makes integer from pointer without a cast
>> /home/martin/Download/kvm-16/kernel/kvm_main.c: At top level:
>> /home/martin/Download/kvm-16/kernel/kvm_main.c:2445: warning:
>> initialization from incompatible pointer type
>> make[3]: *** [/home/martin/Download/kvm-16/kernel/kvm_main.o] Error 1
>> make[2]: *** [_module_/home/martin/Download/kvm-16/kernel] Error 2
>> make[2]: Leaving directory `/usr/src/linux-headers-2.6.17-11-generic'
>> make[1]: *** [all] Error 2
>> make[1]: Leaving directory `/home/martin/Download/kvm-16/kernel'
>> make: *** [kernel] Error 2
>>
>> Has anyone seen this error before? And does anyone know how to get it
>> working?
>>
>> Thanks for your help!
>>   
>>     
>
> A couple of lines above the first error reported there is a 
> LINUX_VERSION_CODE check.  There is a similar one surrounding 
> kvmfs_get_sb() in external-module-compat.h.  Can you change both from 16 
> to 17 and report?
>   

The definition of struct file_system_type.get_sb for 2.6.17 is:

    struct super_block *(*get_sb) (struct file_system_type *, int,
                       const char *, void *);

So a slightly modified kvmfs_get_sb() is needed.  I'm not sure how to 
cope with this though since this #if guard isn't in 
external-module-compat.h.  I was under the impression that per-kernel 
version defined were frowned upon in mainline code.

What's the correct solution to this?

Regards,

Anthony Liguori


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Re: kvm-16 fails to compile on Kubuntu Edgy

[Avi Kivity]

Anthony Liguori wrote:
>
> The definition of struct file_system_type.get_sb for 2.6.17 is:
>
>    struct super_block *(*get_sb) (struct file_system_type *, int,
>                       const char *, void *);
>
> So a slightly modified kvmfs_get_sb() is needed.  I'm not sure how to 
> cope with this though since this #if guard isn't in 
> external-module-compat.h.  I was under the impression that per-kernel 
> version defined were frowned upon in mainline code.
>
> What's the correct solution to this?
>

See the 'sync' target in kernel/Makefile.  It looks like all that is 
necessary is to add the 2.6.17 case to external-module-compat.h.

-- 
Do not meddle in the internals of kernels, for they are subtle and quick to panic.


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