[Bug 53926] [945gm regression] LVDS boots to blank screen

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=53926

--- Comment #49 from Daniel Vetter <daniel at ffwll.ch> ---
> --- Comment #48 from Nathan Schulte <nmschulte at gmail.com> ---
> A few of the chosen bisection points would cause kernel panics from DRM/i915,
> so I skipped these.  At some point, much before the vanilla that the Debian 3.7
> kernel is built upon, the issue appears to have been fixed.  How can that be?
> Could there be multiple regressions causing and subsequently fixing this issue
> throughout the history?

Are you sure that the fixed versions are really included in 3.7? Since
the drm-intel-next tree for e.g. 3.8 is usually based on some 3.6-rc
kernel, git bisect can let you test kernel versions based on 3.6-rc
kernels. But the actual set of patches is only included in 3.8, not
3.7.

To check such a case run

$ git tag --contains <commit-id>

it'll list all the version tags which contain the given commit. If 3.7
is not among them, then it's just the branch-y nature of git messing
around with you ;-) Can you please check that and if it's just that,
continue the bisect?

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