On Tue 2008-03-18 10:31:28, Linus Torvalds wrote:
>
>
> On Tue, 18 Mar 2008, Pavel Machek wrote:
> >
> > On Tue 2008-03-18 14:06:42, Pavel Machek wrote:
> > >
> > > Confirmed, suspend slowness is in 2.6.25-rc6, too. It takes 15 seconds
> > > to suspend/resume, while 2.6.24 takes 9. Thinkpad x60.
> >
> > IIRC 2.6.25-rc5 was "fast".
>
> Can you bisect it? There's only 343 commits between -rc5 and -rc6,
> so it
It will take a while. My .git directory is 7G, and I'd like to do a
backup before playing with git.
git gc does not exist here, so I guess I need to update git, too :-(.
> should not take too long to check which commit it is. Even if it should
> take 9 reboots to bisect it entirely, going just five or six will likely
> narrow it down sufficiently that we can probably guess fairly well what
> it's about.
Hmm, it gets weirder. 2.6.25-rc5 was fast, and had small problem with
backlight hotkeys did not work.
2.6.25-rc6 has backlight hotkeys somehow working, but closing/opening lid in X
kills the backlight, making machine unusable.
Hmm...
commit 7c0ea45be4f114d85ee35caeead8e1660699c46f
tree 0822ef23606a733e00bbf75d3e218b1e92abdd78
parent 2f44bbb495dd3e6d0209eff2257438ab9c570e5b
author Zhao Yakui <yakui.zhao@xxxxxxxxx> Tue, 11 Mar 2008 16:56:47
+0800
committer Len Brown <len.brown@xxxxxxxxx> Tue, 11 Mar 2008 22:20:19
-0400
ACPI: Ignore _BQC object when registering backlight device
According to acpi spec , the objects of _BCL and _BCM are
required if
integrated LCD is present and supports brightness level .The _BQC
is
the optional object. So the _BQC object is ignored when the
backlight device
is registered in ACPI video driver.
http://bugzilla.kernel.org/show_bug.cgi?id=10206
Signed-off-by: Zhao Yakui <yakui.zhao@xxxxxxxxx>
Signed-off-by: Zhang Rui <rui.zhang@xxxxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>
when did this go in? Pretty recently, right? And that means that ACPI
backlight driver is now used on machines where it was not used
before...?
Pavel
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