linux-kernel - Re: BCM4312 Fails when xdm is started

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Date:	Mon, 24 Nov 2008 10:11:53 -0600
From:	Larry Finger <Larry.Finger@...inger.net>
To:	Yuval Hager <yuval@...amzon.net>
CC:	Michael Buesch <mb@...sch.de>, LKML <linux-kernel@...r.kernel.org>,
	wireless <linux-wireless@...r.kernel.org>,
	bcm43xx-dev@...ts.berlios.de
Subject: Re: BCM4312 Fails when xdm is started

Michael Buesch wrote:
> On Monday 24 November 2008 09:49:38 Yuval Hager wrote:
>> * Now check this out - the output of lspci -d 14e4:4312 -x
>> 02:00.0 Network controller: Broadcom Corporation BCM4312 802.11a/b/g (rev ff)
>> 00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>> 10: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>> 20: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>> 30: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>>
>> (I double checked this)
>>
>> huh?
> 
> Hah, interesting. I think your hardware may be faulty, in fact.
> To me it really seems like the mainboard has power failures on the PCI bus.
> 
> This is a laptop, so you can't pull random hardware? Can you run some
> hardware burn-in tests like mprime (http://mersenne.org/freesoft/) or memtest?
> If that doesn't help, can you try with another operating system?
> 

I also think you are seeing a hardware failure. Another test to try is
http://freshmeat.net/projects/cpuburn/?topic_id=146, which will exercise the system.

Larry
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