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SubjectRe: 2.5.64-mm6
Alexander Hoogerhuis <alexh@ihatent.com> wrote:
>
> I've used tried the -mm-kernels since they've actually made
> 2.5-kernels usable on my laptop lately (Compaq Evo800c), but
> 2.5.64-mm2 and onwards doesnt work with X anymore. I run 4.3.0-r1 from
> the Gentoo unstable "branch".
>
> with -mm1 I X coming up just nicely, and now the screen just goes
> black after trying to start X, and it seems related to DRM.

I have a radeon card here. Just tried it. The X server starts up OK but as
soon as I run tuxracer, some ioctl down in the radeon driver keeps on timing
out waiting for the FIFO, spins for ten milliseconds in-kernel and the X
server immediately calls the ioctl again. The whole thing is bust. I went
all the way back to 2.5.39, where it is still bust. 2.4.21-pre5 is OK
though.

So it looks like my breakage is different from yours.

Could you please try just 2.5.64 plus
http://www.kernel.org/pub/linux/kernel/people/akpm/patches/2.5/2.5.64/2.5.64-mm6/broken-out/linus.patch

That will tell us if it is a -mm bug or a -linus bug.

It it is the latter, and if you're feeling really keen then could you search through the patches at
http://www.zip.com.au/~akpm/linux/patches/2.5/badari/
and work out exactly which one introduced the problem?

Each of those patches is against 2.5.64. The chronological order is:

cset-1.1085-to-1.1085.txt.gz
cset-1.1085-to-1.1086.txt.gz
cset-1.1085-to-1.1089.txt.gz
cset-1.1085-to-1.1090.txt.gz
cset-1.1085-to-1.1091.txt.gz
cset-1.1085-to-1.1094.txt.gz
cset-1.1068.1.17-to-1.1075.txt.gz
cset-1.1068.1.17-to-1.1077.txt.gz
cset-1.1068.1.17-to-1.1106.txt.gz
cset-1.1068.1.17-to-1.1107.txt.gz
cset-1.1068.1.17-to-1.1110.txt.gz
cset-1.1068.1.17-to-1.1122.txt.gz
cset-1.1068.1.17-to-1.1123.txt.gz
cset-1.1068.1.17-to-1.1124.txt.gz
cset-1.1068.1.17-to-1.1125.txt.gz
cset-1.1068.1.17-to-1.1127.txt.gz
cset-1.1068.1.17-to-1.1131.txt.gz
cset-1.1068.1.17-to-1.1137.txt.gz
cset-1.1068.1.17-to-1.1160.txt.gz
cset-1.1068.1.17-to-1.1166.txt.gz
cset-1.1068.1.17-to-1.1168.txt.gz
cset-1.1068.1.17-to-1.1171.txt.gz
cset-1.1068.1.17-to-1.1173.txt.gz
cset-1.1068.1.17-to-1.1174.txt.gz
cset-1.1068.1.17-to-1.1175.txt.gz
cset-1.1068.1.17-to-1.1177.txt.gz
cset-1.1068.1.17-to-1.1101.txt.gz
cset-1.1068.1.17-to-1.1113.txt.gz
cset-1.1068.1.17-to-1.1119.txt.gz
cset-1.1068.1.17-to-1.1147.txt.gz
cset-1.1068.1.17-to-1.1154.txt.gz
cset-1.1068.1.17-to-1.1157.txt.gz

Thanks.
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