linux-kernel - 2.6.28 regression? LCD display inactive after reboot on Toshiba Portege 4000

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Message-Id: <200811031600.59968.arvidjaar@mail.ru>
Date:	Mon, 3 Nov 2008 16:00:59 +0300
From:	Andrey Borzenkov <arvidjaar@...l.ru>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Cc:	linux-acpi@...r.kernel.org, "Rafael J. Wysocki" <rjw@...k.pl>
Subject: 2.6.28 regression? LCD display inactive after reboot on Toshiba Portege 4000

I had this every now and then before but right now I consistently
have the issue after reboot under 2.6.28-rc2 and emergency reboot
(SysRq-B) under rc3 (emergency because I cannot get past creating
devices in initrd - it just hangs there).

After reboot display is empty; I have to use hot key (Fn-F5 in this
case to reactivate LCD again).

As I said the problem was always there, just happened very infrequently.
I am use BIOD reboot method because ACPI leaves keyboard disabled.

Any idea?

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