linux-kernel - Regression in ACPI in 2.6.31-rc5

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Message-Id: <200908072333.24631.storm@sys49152.net>
Date:	Fri, 7 Aug 2009 23:33:24 +0100
From:	Ricardo Jorge da Fonseca Marques Ferreira <storm@...49152.net>
To:	linux-kernel@...r.kernel.org
Cc:	linux-acpi@...r.kernel.org
Subject: Regression in ACPI in 2.6.31-rc5

Please CC: me as i'm not subscribed to the list.

Hi.
I had two drivers stop working in 2.6.31 that were working fine in 2.6.30. 
They are iwlagn and sky2. If i pass acpi=off to the kernel, they work as 
expected.

This is what is output from the drivers when they don't work:

[    7.878413] sky2 driver version 1.23
[    7.884402] sky2 0000:07:00.0: enabling device (0000 -> 0003)
[    7.889483] sky2 0000:07:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
[    7.894502] sky2 0000:07:00.0: setting latency timer to 64
[    7.894555] sky2 0000:07:00.0: unsupported chip type 0xff
[    7.899554] sky2 0000:07:00.0: PCI INT A disabled
[    7.904379] sky2: probe of 0000:07:00.0 failed with error -95

[    8.857709] iwlagn: Intel(R) Wireless WiFi Link AGN driver for Linux, 
1.3.27kds
[    8.863357] iwlagn: Copyright(c) 2003-2009 Intel Corporation
[    8.875763] iwlagn 0000:08:00.0: enabling device (0000 -> 0002)
[    8.881477] iwlagn 0000:08:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
[    8.887083] iwlagn 0000:08:00.0: setting latency timer to 64
[    8.887128] iwlagn 0000:08:00.0: Detected Intel Wireless WiFi Link 5100AGN 
REV=0xFDFFFFFF
[    9.073995] iwlagn 0000:08:00.0: Failed, HW not ready
[    9.080292] iwlagn 0000:08:00.0: PCI INT A disabled

Attached are the complete dmesg and lspci -v output.
This is using the SuSE repos version of 2.6.31-rc5 but i tried the vanilla 
kernel packages and the same happens.

Anything i can help with to resolve this, let me know. This bug took out all 
my onboard networking so i'm now using a USB wifi stick.

Thanks

View attachment "lspci.log" of type "text/x-log" (11321 bytes)

View attachment "dmesg.log" of type "text/x-log" (67808 bytes)