linux-kernel - Re: [BUG] GM45 blanks shortly after boot in 2.6.30-git

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

Date:	Sat, 27 Jun 2009 06:18:13 +0200
From:	Andres Freund <andres@...razel.de>
To:	LKML <linux-kernel@...r.kernel.org>, Eric Anholt <eric@...olt.net>,
	Dave Airlie <airlied@...hat.com>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Alexander Chiang <achiang@...com>
CC:	Thomas Renninger <trenn@...e.de>,
	Bjorn Helgaas <bjorn.helgaas@...com>,
	Len Brown <len.brown@...el.com>
Subject: Re: [BUG] GM45 blanks shortly after boot in 2.6.30-git

On 06/25/2009 10:30 AM, Andres Freund wrote:
> Hi,
>
> Somewhere between:
> 03347e2592078a90df818670fddf97a33eec70fb (2.6.30 + 5415 commits)
> and
> c82e6d450fda56cb2d4f68534173d3cd11b32f9f (2.6.30 + 8722 commits)
> my Laptop (Lenovo T500) with an Intel GM45 graphics card blanks display
> during boot (before starting with initramfs) , stops responding to
> anything (i.e. no caps-lock light) and shows no further activity (i.e.
> no hdd activity).
>
> Before the blank I did not see any sign of a backtrace or similar, but
> its hard to say there wasn't any. Unfortunately atm I don't have another
> computer nearby, so I could not get a network console output yet.
>
> If you don't have a quick idea I will either get nearby another computer
> to get a trace or start bisecting.
I have not yet had access to another computer (so no trace yet) but I 
bisected it to this very innocent looking commit:
1e4cffe78e1decd937c7b78410eec87da6b87954 : ACPI: video: convert to 
acpi_get_pci_dev

Hope I added the correct CC's

Andres

PS: bad Headache + no tiredness is a good combination to do bisecting ;-)
--
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/