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craftyc
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PostPosted: Tue May 28, 2002 12:02 pm    Post subject: Kernel (gentoo-sources) Compile issues. Reply with quote

I have emerged the gentoo-sources and when I try to compile I get this error at the end.

Code:
ake[2]: Leaving directory `/usr/src/linux-2.4.19-gentoo-r5/arch/i386/lib'
make[1]: Leaving directory `/usr/src/linux-2.4.19-gentoo-r5/arch/i386/lib'
gcc -E -C -P -I/usr/src/linux-2.4.19-gentoo-r5/include -imacros /usr/src/linux-2.4.19-gentoo-r5/include/asm                                   6/vmlinux.lds.S >arch/i386/vmlinux.lds
ld -m elf_i386 -T /usr/src/linux-2.4.19-gentoo-r5/arch/i386/vmlinux.lds -e stext arch/i386/kernel/head.o ar                                   n.o init/version.o init/do_mounts.o \
        --start-group \
        arch/i386/kernel/kernel.o arch/i386/mm/mm.o kernel/kernel.o mm/mm.o fs/fs.o ipc/ipc.o \
         drivers/char/char.o drivers/block/block.o drivers/misc/misc.o drivers/net/net.o drivers/media/medi                                   ide/idedriver.o drivers/scsi/scsidrv.o drivers/cdrom/driver.o drivers/sound/sounddrivers.o drivers/pci/driv                                   o/video.o \
        net/network.o \
        /usr/src/linux-2.4.19-gentoo-r5/arch/i386/lib/lib.a /usr/src/linux-2.4.19-gentoo-r5/lib/lib.a /usr/                                   6/lib/lib.a \
        --end-group \
        -o vmlinux
init/main.o: In function `smp_init':
init/main.o(.text.init+0x59e): undefined reference to `skip_ioapic_setup'
arch/i386/kernel/kernel.o: In function `broken_pirq':
arch/i386/kernel/kernel.o(.text.init+0x3252): undefined reference to `skip_ioapic_setup'
make: *** [vmlinux] Error 1


It does not matter which options I enable or disable, I still get this error. Any ideas what could be causing this? Thanks in advance.
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jay
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PostPosted: Tue May 28, 2002 12:26 pm    Post subject: Reply with quote

Did you enable the "Symmetric multi-processing support" in Processor type and features? I got a very similiar error when I tried to toggle this off.
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craftyc
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PostPosted: Tue May 28, 2002 3:47 pm    Post subject: Reply with quote

jay wrote:
Did you enable the "Symmetric multi-processing support" in Processor type and features? I got a very similiar error when I tried to toggle this off.


I enabled the option and everythings hunky-dory.

Any ideas why this option needs to be compiled in?
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PostPosted: Tue May 28, 2002 4:01 pm    Post subject: Reply with quote

After rebooting with the new kernel I get a load of failed dependancies. Any ideas how this can be fixed?
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PostPosted: Wed May 29, 2002 3:12 am    Post subject: Reply with quote

craftyc wrote:
Any ideas why this option needs to be compiled in?


Because it is broken. ;-)

The last time I tried to use the Gentoo sources it had similar issues if you tried to use it without preemption. So I'm working off the vanilla tree for the moment.

Bryn.
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craftyc
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PostPosted: Wed May 29, 2002 9:19 am    Post subject: Reply with quote

Curious wrote:
craftyc wrote:
Any ideas why this option needs to be compiled in?


Because it is broken. ;-)

The last time I tried to use the Gentoo sources it had similar issues if you tried to use it without preemption. So I'm working off the vanilla tree for the moment.

Bryn.
#

OK then, so will I. :)
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PostPosted: Wed May 29, 2002 4:24 pm    Post subject: Reply with quote

Curious wrote:
craftyc wrote:
Any ideas why this option needs to be compiled in?


Because it is broken. ;-)

The last time I tried to use the Gentoo sources it had similar issues if you tried to use it without preemption. So I'm working off the vanilla tree for the moment.

Bryn.


It works perfectly if you add SMP support (and presumably preemption, I've never tried it without), neither of which should be harmful in any way. Preemption, if anything, helps and the SMP support just complains about finding only one CPU and goes about its business. Why use the vanilla sources?
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PostPosted: Thu May 30, 2002 12:21 am    Post subject: Reply with quote

I'm sure they meant use vanilla-sources and then patch it to fit ones needs.
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jay
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PostPosted: Thu May 30, 2002 9:24 am    Post subject: Reply with quote

craftyc wrote:
After rebooting with the new kernel I get a load of failed dependancies. Any ideas how this can be fixed?


Search the forum for "unresolved symbols" or "kernel compile error" - you'll find some tips. If the problem persist with special modules, post your error messages here. Also Google around for these error messages, in many mailing list there's a work-around posted.
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craftyc
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PostPosted: Thu May 30, 2002 12:30 pm    Post subject: Reply with quote

I think I'll stick with vanilla-sources until the next version of gentoo-sources comes out.
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PostPosted: Thu May 30, 2002 12:35 pm    Post subject: Reply with quote

Here seems to be another solution to disable SMP:

http://forums.gentoo.org/viewtopic.php?t=475&highlight=mrproper

So it's not broken, it's just a dependency problem :-)
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PostPosted: Thu May 30, 2002 8:36 pm    Post subject: Reply with quote

At first I tried the gentoo-sources ... the kernel compiled, even modules ... booting no problem, everything worked flowlessly. But I got a lot of kernel messages spammed in my console. Preemptive exit kernel msgs or smth. I though, maybe there was some debugging option for preemptive, but I couldn't find it anyhow ... so I downloaded the 2.4.18 sources from kernel.org & patched it with the preemptive patch. Compiled it & everything's working great... duno what the prob was / what I did wrong ...

Any thoughts on this?

Grtz
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PostPosted: Thu May 30, 2002 9:45 pm    Post subject: Re: Kernel (gentoo-sources) Compile issues. Reply with quote

craftyc wrote:
I have emerged the gentoo-sources and when I try to compile I get this error at the end.

Code:
ake[2]: Leaving directory `/usr/src/linux-2.4.19-gentoo-r5/arch/i386/lib'
make[1]: Leaving directory `/usr/src/linux-2.4.19-gentoo-r5/arch/i386/lib'
gcc -E -C -P -I/usr/src/linux-2.4.19-gentoo-r5/include -imacros /usr/src/linux-2.4.19-gentoo-r5/include/asm                                   6/vmlinux.lds.S >arch/i386/vmlinux.lds
ld -m elf_i386 -T /usr/src/linux-2.4.19-gentoo-r5/arch/i386/vmlinux.lds -e stext arch/i386/kernel/head.o ar                                   n.o init/version.o init/do_mounts.o \
        --start-group \
        arch/i386/kernel/kernel.o arch/i386/mm/mm.o kernel/kernel.o mm/mm.o fs/fs.o ipc/ipc.o \
         drivers/char/char.o drivers/block/block.o drivers/misc/misc.o drivers/net/net.o drivers/media/medi                                   ide/idedriver.o drivers/scsi/scsidrv.o drivers/cdrom/driver.o drivers/sound/sounddrivers.o drivers/pci/driv                                   o/video.o \
        net/network.o \
        /usr/src/linux-2.4.19-gentoo-r5/arch/i386/lib/lib.a /usr/src/linux-2.4.19-gentoo-r5/lib/lib.a /usr/                                   6/lib/lib.a \
        --end-group \
        -o vmlinux
init/main.o: In function `smp_init':
init/main.o(.text.init+0x59e): undefined reference to `skip_ioapic_setup'
arch/i386/kernel/kernel.o: In function `broken_pirq':
arch/i386/kernel/kernel.o(.text.init+0x3252): undefined reference to `skip_ioapic_setup'
make: *** [vmlinux] Error 1


It does not matter which options I enable or disable, I still get this error. Any ideas what could be causing this? Thanks in advance.


The correct solution to your problem is stated here:
http://forums.gentoo.org/viewtopic.php?t=33

It happened to me as well, and only occurs if you first compile the kernel with SMP support and then later recompile it without (with the same sources) If you do a make mrproper before proceeding, it will go fine.

I wonder why SMP is selected by default anyways.. gives nothing but trouble :)
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jay
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PostPosted: Fri May 31, 2002 7:47 am    Post subject: Re: Kernel (gentoo-sources) Compile issues. Reply with quote

Zu` wrote:

I wonder why SMP is selected by default anyways.. gives nothing but trouble :)


Full ACK - I was desperately trying to get my nvidia drivers to work but couldn't. The standard answer at #nvidia is already: "So you're using a gentoo kernel? Get yourself a 2.418 kernel directly from kernel.org and it will work!". I spend about 2 weeks on this issue. Finally I tracked this down as a result of SMP enabled in my kernel.

I also suggest to disable SMP by default.
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PostPosted: Fri May 31, 2002 7:55 am    Post subject: Reply with quote

Yeah. But 2.4.18 from kernel.org has SMP enabled by default as well. So this doesn't change anything. And the gentoo sources work fine for me with nvidia drivers, they just need proper configuration.

So whatever those guys say at #nvidia, don't believe them :)
We're fine running our gentoo sources 8)

Hehe
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jay
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PostPosted: Sat Jun 01, 2002 6:34 am    Post subject: Reply with quote

I started with the 2.4.18 drivers and after I got this working, I emerged the latest gentoo-sources and now I'm running my nvidia drivers happily in the 2.4.19-rc5 release.
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PostPosted: Wed Jun 05, 2002 6:26 pm    Post subject: Re: Kernel (gentoo-sources) Compile issues. Reply with quote

Zu` wrote:
craftyc wrote:
I have emerged the gentoo-sources and when I try to compile I get this error at the end.

Code:
...
init/main.o: In function `smp_init':
init/main.o(.text.init+0x59e): undefined reference to `skip_ioapic_setup'
arch/i386/kernel/kernel.o: In function `broken_pirq':
arch/i386/kernel/kernel.o(.text.init+0x3252): undefined reference to `skip_ioapic_setup'
make: *** [vmlinux] Error 1


...


The correct solution to your problem is stated here:
http://forums.gentoo.org/viewtopic.php?t=33

It happened to me as well, and only occurs if you first compile the kernel with SMP support and then later recompile it without (with the same sources) If you do a make mrproper before proceeding, it will go fine.

I wonder why SMP is selected by default anyways.. gives nothing but trouble :)


I had the same problem and it was my first compile of the kernel. (I also did a "make mrproper" before attempting to compile.) I was trying to compile with SMP turned off and the first APIC option after the SMP option turned on. (I am not at the Linux box so I cannot specifically quote the options.)

I solved the problem by turning on the IOAPIC option (second option after SMP in my menuconfig).

(I next failed because I had turned off quota support but chosen quota support for XFS. - I need to be consistent in my choices. (*shrug*))

I hope this helps.
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