linux-kernel - [bisected] PS/2 keyboard and mouse dead on resume on Intel D845BG

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

Date:	Sun, 7 Oct 2012 15:13:27 +0200
From:	Ondrej Zary <linux@...nbow-software.org>
To:	Matthew Garrett <mjg@...hat.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>, Len Brown <len.brown@...el.com>
Cc:	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org
Subject: [bisected] PS/2 keyboard and mouse dead on resume on Intel D845BG

Hello,
Intel D845BG board comes out of S3 with PS/2 keyboard and mouse completely 
dead. The machine works otherwise (with USB keyboard or over network). When 
rebooted in this state, the BIOS hangs with blank screen. I have the latest 
BIOS installed (P08).

Old kernels worked. Bisection pointed to commit: 
b6dacf63e9fb2e7a1369843d6cef332f76fca6a3
(ACPI: Unconditionally set SCI_EN on resume)

Commenting out this line in drivers/acpi/sleep.c:
	acpi_write_bit_register(ACPI_BITREG_SCI_ENABLE, 1);
fixes the problem.

Any ideas why this breaks on this system?

-- 
Ondrej Zary
--
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/