On 2011-05-03 14:41, Pasi Kärkkäinen wrote:
> On Tue, May 03, 2011 at 11:48:47AM +0200, Robin Axelsson wrote:
>> On 2011-05-03 08:22, Pasi Kärkkäinen wrote:
>>> On Tue, May 03, 2011 at 02:06:24AM +0200, Robin Axelsson wrote:
>>>> Hi,
>>>> I'm trying to compile Jeremy's paravirt_ops kernel on Fedora 15 using
>>>> the following tutorial:
>>>>
>>>> http://wiki.xensource.com/xenwiki/Fedora13Xen4Tutorial
>>>>
>>>> but in the compilation process I get error messages that some .c and .h
>>>> files are missing. I couldn't locate the packages that would house these
>>>> files for Fedora 15 so I wonder how to compile it for F15.
>>>>
>>>> I want to use Jeremy's kernel because I need dom0 pciback drivers for
>>>> using VGAPassthrough and PCIpassthrough.
>>>>
>>> Hello,
>>>
>>> Please paste the actual build errors..
>>>
>>> -- Pasi
>>>
>>> .
>>>
>> During compilation I see a lot of warnings: They are in pretty much
>> every .../.../xyz.h file, the warnings are about variables that are set
>> but not used. Perhaps this is normal. Then when things start to go
>> haywire it begins with a couple of LDs on drivers/video/fb.o
>> .../built-in.o and vmlinux.o followed by the command MODPOST that gives
>> a warning that it found 10 section mismatches. It suggested that I
>> should make with 'CONFIG_DEBUG_SECTION_MISMATCH=y' option/argument added.
>>
>> Then the final straw that breaks it all is when line 28 in
>> Documentation/video4linux/v4lgrab.c refers to linux/videodev.h that
>> doesn't exist which terminates the compilation.
>>
>> The cause of this seems to be that (according to an ubuntu bug report)
>> the V4L1 API was removed in one of the Linux 2.6.38 pre-releases since
>> v4l support has been dropped since kernel 2.6.35, and the
>> <linux/videodev.h>  header doesn't exist. Perhaps it compiles
>> mediastreamer2/src/msv4l.c if either V4L1 or V4L2 is detected, and that
>> file unconditionally includes<linux/videodev.h>.
>>
>>
>
> Two suggestions:
>
> - Did you try my reference .config file?
> - Do you have enough free disk space to build the kernel?
>
>
> -- Pasi
>
>

- If you by using reference config mean executing the following lines 
(which are stated in the tutorial):

# wget -O .config 
http://pasik.reaktio.net/xen/pv_ops-dom0-debug/config-2.6.32.25-pvops-dom0-xen-stable-x86_64
# make oldconfig
# make clean
# make -j4 bzImage&&  make -j4 modules

the answer is yes.

- Yes I have enough disk space for the kernel and I think it is quite evident 
from the error messages I supplied in my prior post that this is not the 
problem.














>> A more detailed version showing the last couple of lines follows:
>> include/linux/irq.h: In function �alloc_desc_masks�:
>> include/linux/irq.h:441:8: warning: variable �gfp� set but not used
>> [-Wunused-but-set-variable]
>> In file included from
>> /home/xen_repo/linux-2.6-xen/arch/x86/include/asm/smp.h:13:0,
>> from /home/xen_repo/linux-2.6-xen/arch/x86/include/asm/mmzone_64.h:12,
>> from /home/xen_repo/linux-2.6-xen/arch/x86/include/asm/mmzone.h:4,
>> from include/linux/mmzone.h:796,
>> from include/linux/gfp.h:4,
>> from include/linux/kmod.h:22,
>> from include/linux/module.h:13,
>> from drivers/video/vesafb.c:11:
>> /home/xen_repo/linux-2.6-xen/arch/x86/include/asm/apic.h: In function
>> �native_apic_msr_read�:
>> /home/xen_repo/linux-2.6-xen/arch/x86/include/asm/apic.h:144:11:
>> warning: variable �high� set but not used [-Wunused-but-set-variable]
>> /home/xen_repo/linux-2.6-xen/arch/x86/include/asm/apic.h: In function
>> �x2apic_enabled�:
>> /home/xen_repo/linux-2.6-xen/arch/x86/include/asm/apic.h:184:11:
>> warning: variable �msr2� set but not used [-Wunused-but-set-variable]
>> In file included from
>> /home/xen_repo/linux-2.6-xen/arch/x86/include/asm/smp.h:13:0,
>> from /home/xen_repo/linux-2.6-xen/arch/x86/include/asm/mmzone_64.h:12,
>> from /home/xen_repo/linux-2.6-xen/arch/x86/include/asm/mmzone.h:4,
>> from include/linux/mmzone.h:796,
>> from include/linux/gfp.h:4,
>> from include/linux/kmod.h:22,
>> from include/linux/module.h:13,
>> from drivers/video/efifb.c:9:
>> /home/xen_repo/linux-2.6-xen/arch/x86/include/asm/apic.h: In function
>> �native_apic_msr_read�:
>> /home/xen_repo/linux-2.6-xen/arch/x86/include/asm/apic.h:144:11:
>> warning: variable �high� set but not used [-Wunused-but-set-variable]
>> /home/xen_repo/linux-2.6-xen/arch/x86/include/asm/apic.h: In function
>> �x2apic_enabled�:
>> /home/xen_repo/linux-2.6-xen/arch/x86/include/asm/apic.h:184:11:
>> warning: variable �msr2� set but not used [-Wunused-but-set-variable]
>> LD drivers/video/fb.o
>> LD drivers/video/built-in.o
>> LD drivers/built-in.o
>> LD vmlinux.o
>> MODPOST vmlinux.o
>> WARNING: modpost: Found 10 section mismatch(es).
>> To see full details build your kernel with:
>> 'make CONFIG_DEBUG_SECTION_MISMATCH=y'
>> GEN .version
>> CHK include/linux/compile.h
>> UPD include/linux/compile.h
>> CC init/version.o
>> In file included from
>> /home/xen_repo/linux-2.6-xen/arch/x86/include/asm/smp.h:13:0,
>> from /home/xen_repo/linux-2.6-xen/arch/x86/include/asm/mmzone_64.h:12,
>> from /home/xen_repo/linux-2.6-xen/arch/x86/include/asm/mmzone.h:4,
>> from include/linux/mmzone.h:796,
>> from include/linux/gfp.h:4,
>> from include/linux/kmod.h:22,
>> from include/linux/module.h:13,
>> from init/version.c:10:
>> /home/xen_repo/linux-2.6-xen/arch/x86/include/asm/apic.h: In function
>> �native_apic_msr_read�:
>> /home/xen_repo/linux-2.6-xen/arch/x86/include/asm/apic.h:144:11:
>> warning: variable �high� set but not used [-Wunused-but-set-variable]
>> /home/xen_repo/linux-2.6-xen/arch/x86/include/asm/apic.h: In function
>> �x2apic_enabled�:
>> /home/xen_repo/linux-2.6-xen/arch/x86/include/asm/apic.h:184:11:
>> warning: variable �msr2� set but not used [-Wunused-but-set-variable]
>> LD init/built-in.o
>> LD .tmp_vmlinux1
>> KSYM .tmp_kallsyms1.S
>> AS .tmp_kallsyms1.o
>> LD .tmp_vmlinux2
>> KSYM .tmp_kallsyms2.S
>> AS .tmp_kallsyms2.o
>> LD .tmp_vmlinux3
>> KSYM .tmp_kallsyms3.S
>> AS .tmp_kallsyms3.o
>> CHK include/linux/version.h
>> HOSTCC scripts/unifdef
>> INSTALL include/drm (12 files)
>> INSTALL include/asm-generic (34 files)
>> INSTALL include/mtd (5 files)
>> INSTALL include/linux/byteorder (2 files)
>> INSTALL include/linux/can (4 files)
>> INSTALL include/linux/dvb (8 files)
>> INSTALL include/rdma (1 file)
>> INSTALL include/scsi (4 files)
>> INSTALL include/linux/isdn (1 file)
>> INSTALL include/sound (9 files)
>> INSTALL include/linux/hdlc (1 file)
>> INSTALL include/video (3 files)
>> INSTALL include/linux/netfilter (58 files)
>> INSTALL include/xen (2 files)
>> unifdef: /home/xen_repo/linux-2.6-xen/usr/include/xen/privcmd.h.tmp: 79:
>> Premature EOF (#if line 33 depth 1)
>> unifdef: output may be truncated
>> INSTALL include (0 file)
>> INSTALL include/linux/netfilter_arp (2 files)
>> INSTALL include/linux/netfilter_bridge (16 files)
>> INSTALL include/linux/netfilter_ipv4 (14 files)
>> INSTALL include/linux/netfilter_ipv6 (11 files)
>> INSTALL include/linux/nfsd (6 files)
>> INSTALL include/linux/raid (2 files)
>> INSTALL include/linux/spi (1 file)
>> INSTALL include/linux/sunrpc (1 file)
>> INSTALL include/linux/tc_act (6 files)
>> INSTALL include/linux/tc_ematch (4 files)
>> INSTALL include/linux/usb (8 files)
>> INSTALL include/linux (356 files)
>> INSTALL include/linux/wimax (1 file)
>> INSTALL include/asm (54 files)
>> CHECK include/drm (12 files)
>> CHECK include/asm-generic (34 files)
>> CHECK include/mtd (5 files)
>> CHECK include/linux/byteorder (2 files)
>> CHECK include/linux/can (4 files)
>> CHECK include/rdma (1 files)
>> CHECK include/scsi (4 files)
>> CHECK include/sound (9 files)
>> /home/xen_repo/linux-2.6-xen/usr/include/scsi/scsi.h:162: userspace
>> cannot call function or variable defined in the kernel
>> /home/xen_repo/linux-2.6-xen/usr/include/scsi/scsi.h:288: userspace
>> cannot call function or variable defined in the kernel
>> CHECK include/video (3 files)
>> CHECK include/linux/dvb (8 files)
>> CHECK include/xen (2 files)
>> CHECK include (0 files)
>> CHECK include/linux/hdlc (1 files)
>> CHECK include/linux/isdn (1 files)
>> CHECK include/linux/netfilter (58 files)
>> CHECK include/linux/netfilter_arp (2 files)
>> CHECK include/linux/netfilter_bridge (16 files)
>> CHECK include/linux/netfilter_ipv4 (14 files)
>> CHECK include/linux/netfilter_ipv6 (11 files)
>> CHECK include/linux/raid (2 files)
>> CHECK include/linux/nfsd (6 files)
>> CHECK include/linux/spi (1 files)
>> CHECK include/linux/sunrpc (1 files)
>> CHECK include/linux/tc_act (6 files)
>> CHECK include/linux/tc_ematch (4 files)
>> CHECK include/linux/usb (8 files)
>> CHECK include/linux/wimax (1 files)
>> CHECK include/linux (356 files)
>> CHECK include/asm (54 files)
>> LD Documentation/accounting/built-in.o
>> LD Documentation/connector/built-in.o
>> LD Documentation/auxdisplay/built-in.o
>> HOSTCC Documentation/auxdisplay/cfag12864b-example
>> HOSTCC Documentation/connector/ucon
>> HOSTCC Documentation/accounting/getdelays
>> LD Documentation/DocBook/built-in.o
>> LD Documentation/filesystems/configfs/built-in.o
>> LD Documentation/ia64/built-in.o
>> HOSTCC Documentation/ia64/aliasing-test
>> Documentation/accounting/getdelays.c: In function �get_family_id�:
>> Documentation/accounting/getdelays.c:171:14: warning: variable �rc�
>> set but not used [-Wunused-but-set-variable]
>> Documentation/accounting/getdelays.c: In function �main�:
>> Documentation/accounting/getdelays.c:402:7: warning: variable �i�
>> set but not used [-Wunused-but-set-variable]
>> LD Documentation/networking/built-in.o
>> HOSTCC Documentation/networking/ifenslave
>> LD Documentation/pcmcia/built-in.o
>> HOSTCC Documentation/pcmcia/crc32hash
>> LD Documentation/spi/built-in.o
>> HOSTCC Documentation/spi/spidev_test
>> LD Documentation/video4linux/built-in.o
>> HOSTCC Documentation/video4linux/v4lgrab
>> Documentation/networking/ifenslave.c: In function �if_getconfig�:
>> Documentation/networking/ifenslave.c:508:14: warning: variable �mtu�
>> set but not used [-Wunused-but-set-variable]
>> Documentation/networking/ifenslave.c:508:6: warning: variable
>> �metric� set but not used [-Wunused-but-set-variable]
>> LD Documentation/vm/built-in.o
>> Documentation/video4linux/v4lgrab.c:34:28: fatal error:
>> linux/videodev.h: No such file or directory
>> compilation terminated.
>> HOSTCC Documentation/vm/slabinfo
>> HOSTCC Documentation/spi/spidev_fdx
>> make[2]: *** [Documentation/video4linux/v4lgrab] Error 1
>> make[1]: *** [Documentation/video4linux] Error 2
>> make[1]: *** Waiting for unfinished jobs....
>> HOSTCC Documentation/vm/page-types
>> make: *** [vmlinux] Error 2
>>
> .
>

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