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SubjectRe: [Bug 14658] Regression in efi.c
On Sat, 21 Nov 2009, bugzilla-daemon@bugzilla.kernel.org wrote:

Switched to email. Please reply by mail (reply-to-all) and not in the
bugzilla.

> --- Comment #1 from Rafael J. Wysocki <rjw@sisk.pl> 2009-11-21 20:17:21 ---
> Caused by:
>
> commit 7bd867dfb4e0357e06a3211ab2bd0e714110def3

That's completely bogus. That commit is not in 2.6.31. It was merged in the
2.6.32 merge window.

From the original bug report:

http://marc.info/?l=linux-kernel&m=125846988820120&w=4

> I would like to report a possible regression in efi.c with kernels
> 2.6.31 , 2.6.32-rc5 and 2.6.32.rc7.
>
> Attempting to boot x86_64 with elilo succeeds using 2.6.30 . Using the
> same config cannot boot with any of the 3 afore mentioned kernels.

So the problem exists with 2.6.31 already which excludes the above
commit.

The above commit indeed caused problems on 64bit efi systems in
2.6.32-rc. The fix was merged between 32-rc5 and 32-rc6.

The bisect was done with:

git bisect start
# good: [59a3759d0fe8d969888c741bb33f4946e4d3750d] Linux 2.6.30-rc7
git bisect good 59a3759d0fe8d969888c741bb33f4946e4d3750d
# bad: [156171c71a0dc4bce12b4408bb1591f8fe32dc1a] Linux 2.6.32-rc7

while the bisect should have be done with

good 2.6.30
bad 2.6.31

William, could you please go through the bisect pain again?

Thanks,

tglx


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