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SubjectRe: [GIT PULL] Please pull powerpc/linux.git powerpc-6.1-1 tag
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"Jason A. Donenfeld" <Jason@zx2c4.com> writes:
> On Tue, Oct 11, 2022 at 12:44:20PM +1100, Michael Ellerman wrote:
>> "Jason A. Donenfeld" <Jason@zx2c4.com> writes:
>> > Hi Andrew,
>> >
>> > On Tue, Oct 11, 2022 at 11:00:15AM +1100, Andrew Donnellan wrote:
>> >> Thanks for bisecting, this is interesting! Could you provide your
>> >> .config and the environment you're running in? Your reproducer doesn't
>> >> seem to trigger it on my baremetal POWER8 pseries_le_defconfig.
>> >
>> > Sure.
>> >
>> > .config: https://xn--4db.cc/NemFt2Vs (change CONFIG_INITRAMFS_SOURCE)
>> > Toolchain: https://download.wireguard.com/qemu-test/toolchains/20211123/powerpc-linux-musl-cross.tgz
>> >
>> > You can also just run:
>> >
>> > ARCH=powerpc make -C tools/testing/selftests/wireguard/qemu -j$(nproc)
>> >
>> > And that'll assemble the whole thing.
>>
>> I tried that :)
>>
>> What host OS are you running that on?
>>
>> I get:
>>
>> mkdir -p /scratch/michael/linus/tools/testing/selftests/wireguard/qemu/build/powerpc
>> powerpc-linux-musl-gcc -o /scratch/michael/linus/tools/testing/selftests/wireguard/qemu/build/powerpc/init -O3 -pipe -std=gnu11 init.c
>> /scratch/michael/linus/tools/testing/selftests/wireguard/qemu/build/powerpc/powerpc-linux-musl-cross/bin/../lib/gcc/powerpc-linux-musl/11.2.1/../../../../powerpc-linux-musl/bin/ld: cannot find Scrt1.o: No such file or directory
>> /scratch/michael/linus/tools/testing/selftests/wireguard/qemu/build/powerpc/powerpc-linux-musl-cross/bin/../lib/gcc/powerpc-linux-musl/11.2.1/../../../../powerpc-linux-musl/bin/ld: cannot find crti.o: No such file or directory
>> /scratch/michael/linus/tools/testing/selftests/wireguard/qemu/build/powerpc/powerpc-linux-musl-cross/bin/../lib/gcc/powerpc-linux-musl/11.2.1/../../../../powerpc-linux-musl/bin/ld: cannot find crtbeginS.o: No such file or directory
>> /scratch/michael/linus/tools/testing/selftests/wireguard/qemu/build/powerpc/powerpc-linux-musl-cross/bin/../lib/gcc/powerpc-linux-musl/11.2.1/../../../../powerpc-linux-musl/bin/ld: cannot find -lgcc
>> /scratch/michael/linus/tools/testing/selftests/wireguard/qemu/build/powerpc/powerpc-linux-musl-cross/bin/../lib/gcc/powerpc-linux-musl/11.2.1/../../../../powerpc-linux-musl/bin/ld: cannot find -lgcc
>> collect2: error: ld returned 1 exit status
>
> Here's what happened:
>
> - You started the thing and the kernel compile complained about an
> unclean tree.
> - You ran mrproper.
> - You tried to run the thing again.
>
> amirite?

I think so yeah. I tried it on 3 different machines so I'm not sure
exactly what I did where, but I definitely ran mrproper on one of them.

> If so, what happened is that mrproper deleted the .o files from the
> toolchain. Solution:
>
> ARCH=powerpc make -C tools/testing/selftests/wireguard/qemu -j$(nproc) clean
> ARCH=powerpc make -C tools/testing/selftests/wireguard/qemu -j$(nproc)
>
> Let me know how that goes.

Yep that works thanks.

And I see the iperf failure. Though I still can't see what the bug is,
but hopefully if I stare at it longer I'll work it out.

cheers

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