linux-kernel - Re: 2.6.28 regression: xbacklight broken on ThinkPad X61s

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:	Mon, 5 Jan 2009 11:05:56 +0000
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Zhang Rui <rui.zhang@...el.com>
Cc:	Tino Keitel <tino.keitel@....de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	trenn@...e.de, jbarnes@...tuousgeek.org
Subject: Re: 2.6.28 regression: xbacklight broken on ThinkPad X61s

On Mon, Jan 05, 2009 at 05:06:15PM +0800, Zhang Rui wrote:

> hmm, this regression is caused by commit 
> 22c13f9d8179f4c9caecfcb60a95214562b9addc
> 
> but the real problem is that the IGD OpRegion doesn't work well on this
> laptop.

I suspect that the issue is actually that the opregion code works fine 
but i915 interrupts are failing to work properly, which we've seen a 
couple of cases of. Jesse?

-- 
Matthew Garrett | mjg59@...f.ucam.org
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/