From: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
To: Tobias Diedrich <ranma+kernel@tdiedrich.de>,
Pavel Machek <pavel@ucw.cz>,
kernel list <linux-kernel@vger.kernel.org>
Subject: Re: 2.6.31-rc2: thinkpad boots with backlight low
Date: Wed, 15 Jul 2009 11:35:09 -0300 [thread overview]
Message-ID: <20090715143509.GC22098@khazad-dum.debian.net> (raw)
In-Reply-To: <20090715112204.GA16289@yamamaya.is-a-geek.org>
There is one thing that comes to mind: display power management.
Is anything, by chance, setting the backlight devices to low power mode
on machine restart? The backlight drivers would try to set brightness
to 0 when it cannot turn the display off for real...
--
"One disk to rule them all, One disk to find them. One disk to bring
them all and in the darkness grind them. In the Land of Redmond
where the shadows lie." -- The Silicon Valley Tarot
Henrique Holschuh
next prev parent reply other threads:[~2009-07-15 14:35 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-14 9:26 Pavel Machek
2009-07-14 10:47 ` Henrique de Moraes Holschuh
2009-07-15 13:13 ` [regression] " Pavel Machek
2009-07-15 14:14 ` Henrique de Moraes Holschuh
2009-07-15 11:22 ` Tobias Diedrich
2009-07-15 14:35 ` Henrique de Moraes Holschuh [this message]
2009-07-15 22:39 ` Tobias Diedrich
2009-07-15 22:59 ` Tobias Diedrich
2009-07-16 0:06 ` Henrique de Moraes Holschuh
2009-07-16 6:16 ` Tobias Diedrich
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