linux-kernel - Re: ohci1394 problem (MMIO broken) (was 2.6.25-rc6-git6: Reported regressions from 2.6.24)

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Date:	Tue, 25 Mar 2008 22:02:08 +0100
From:	Thomas Meyer <thomas@...3r.de>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Stefan Richter <stefanr@...6.in-berlin.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ivan Kokshaysky <ink@...assic.park.msu.ru>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	LKML <linux-kernel@...r.kernel.org>,
	Adrian Bunk <bunk@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Natalie Protasevich <protasnb@...il.com>
Subject: Re: ohci1394 problem (MMIO broken) (was 2.6.25-rc6-git6: Reported
 regressions from 2.6.24)

Ingo Molnar schrieb:
> * Thomas Meyer <thomas@...3r.de> wrote:
>
>   
>> The kernel boots, but hangs at "populating dev tree with devices 
>> usings uevents". After removing both firewire drivers (ohci1394 and 
>> firewire_ohci) the system comes up correctly.
>>
>> See attached file.
>>
>> Modprobing either ohci1394 or firewire_ohci seems to lock up the 
>> system.
>>     
>
> that's weird. If you do the modprobe from a VGA console and do a 'dmesg 
> -n 8', do you get any ioremap printk shortly before the hard lockup
All i get is:

[ 1175.600768] ACPI: PCI Interrupt 0000:0c:03.0[A] -> GSI 19 (level, 
low) -> IRQ 19

no ioremap debug offset.


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