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> Now what's REALLY, REALLY wierd is that this fixes my hang problem > whilst trying to run kernbench: > > http://mbligh.org/abat/no_hang > > which is just reverting: > > x86_64-use-a-common-function-to-find-code-segment-bases-fix.patch > > But the patch is tiny, and it makes NO sense at all for this to fix > anything. All it does is: Strangely, -git3 works, which has the boot fix applied, but not the hang fix bit. Something odd is afoot. > diff -purN -X /home/mbligh/.diff.exclude 2.6.12-rc2-mm2/include/asm-x86_64/ptrace.h 2.6.12-rc2-mm2-no_hang/include/asm-x86_64/ptrace.h > --- 2.6.12-rc2-mm2/include/asm-x86_64/ptrace.h 2005-04-08 23:41:41.000000000 -0700 > +++ 2.6.12-rc2-mm2-no_hang/include/asm-x86_64/ptrace.h 2005-06-08 16:25:01.000000000 -0700 > @@ -86,8 +86,6 @@ struct pt_regs { > extern unsigned long profile_pc(struct pt_regs *regs); > void signal_fault(struct pt_regs *regs, void __user *frame, char *where); > > -struct task_struct; > - > extern unsigned long > convert_rip_to_linear(struct task_struct *child, struct pt_regs *regs); > > > How the hell can that possibly fix it? Boggle. But it does. I checked. > I ran a whole damned sequence of patches from your tree against the box, > then extracted the one where the failover started and retested it with > just that and the no_hole one. There's even a little green box to > prove it about 4 down on the left here: > > http://ftp.kernel.org/pub/linux/kernel/people/mbligh/abat/regression_matrix.html > > My brain is now a small piece of silly-putty smushed against the far > wall of my study. Anything you can do to help me scrape up the remains > would be splendid. I can only speculate it's some wierd side-effect, > because I have no other explaination at all. > > Humpf. > > M. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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