linux-kernel - 2.6.25-rc7 : hibernation sometimes not resuming on Dell Latitude D630

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Date:	Mon, 31 Mar 2008 18:23:34 +0200
From:	Didier Raboud <didier@...oud.com>
To:	linux-kernel@...r.kernel.org
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>, debian-kernel@...ts.debian.org
Subject: 2.6.25-rc7 : hibernation sometimes not resuming on Dell Latitude D630

Hi, 

I'm using the latest Debian 2.6.25-rc7 kernel [0] and I have big troubles with 
hibernation. With this version, the hibernation (suspend on disk) is 
sometimes not resuming correctly. The only thing I get is a blinking cursor 
at the top-left of the screen. The problem is that it is not easily 
reproducible : sometimes it works, sometimes not.

AFAIK, 2.6.24 is not affected, but 2.6.25-rc6 and -rc7 (at least) are.

I'm using a Dell Latitude D630. (lspci attached).

Attached are a 2.6.25-rc7 and a 2.6.24 dmesg's after two successful 
hibernate/resume cycles.

Regards, 

Didier Raboud, aka OdyX

N.B. Please keep me CC'ed as I'm not subscribed to the lists.

[0] http://wiki.debian.org/DebianKernel

View attachment "d630_lspci" of type "text/plain" (2105 bytes)

View attachment "dmesg_hibernateTwice_2.6.25-rc7" of type "text/plain" (62596 bytes)

View attachment "dmesg_hibernateTwice_2.6.24" of type "text/plain" (43025 bytes)

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