linux-kernel - Re: 2.6.23-rc4-mm1

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Date:	Sun, 9 Sep 2007 13:22:52 +0100
From:	mel@...net.ie (Mel Gorman)
To:	jirislaby@...il.com, jeff@...zik.org, linville@...driver.com
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: 2.6.23-rc4-mm1

(To list based on CC's in net-add-ath5k-wireless-driver-fix.patch . If
that is in error, apologies)

On (31/08/07 21:58), Andrew Morton didst pronounce:
> 
> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.23-rc4/2.6.23-rc4-mm1/
> 

I thought I would give the ath5k driver a shot on my Thinkpad T60p to see
what happened but it wasn't particularly successful. lspci -v shows

03:00.0 Ethernet controller: Atheros Communications, Inc. AR5212 802.11abg NIC (rev 01)
        Subsystem: IBM ThinkPad 11a/b/g Wireless LAN Mini Express Adapter (AR5BXB6)
        Flags: bus master, fast devsel, latency 0, IRQ 22
        Memory at edf00000 (64-bit, non-prefetchable) [size=64K]
        Capabilities: [40] Power Management version 2
        Capabilities: [50] Message Signalled Interrupts: Mask- 64bit- Queue=0/0 Enable-
        Capabilities: [60] Express Legacy Endpoint IRQ 0
        Capabilities: [90] MSI-X: Enable- Mask- TabSize=1
        Capabilities: [100] Advanced Error Reporting
        Capabilities: [140] Virtual Channel

During boot, the following relevant information in dmesg shows up;

ACPI: PCI Interrupt 0000:03:00.0[A] -> GSI 17 (level, low) -> IRQ 21
PCI: Setting latency timer of device 0000:03:00.0 to 64
Uhhuh. NMI received for unknown reason b1 on CPU 0.
You have some hardware problem, likely on the PCI bus.
Dazed and confused, but trying to continue
ath5k_hw_nic_wakeup: failed to resume the MAC Chip
ACPI: PCI interrupt for device 0000:03:00.0 disabled
ath_pci: probe of 0000:03:00.0 failed with error -5

Needless to say, it fails to bring up networking later. I have no real idea
how to debug something like this. Any suggestions?

-- 
Mel Gorman
Part-time Phd Student                          Linux Technology Center
University of Limerick                         IBM Dublin Software Lab
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