linux-kernel - Re: e2b2rom_init_one(): Unable to register resource

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Message-ID: <20070218075209.GA10865@cvg>
Date:	Sun, 18 Feb 2007 10:52:09 +0300
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	Dan Aloni <da-x@...atomic.org>
Cc:	Lew Glendenning <lglendenning@...i.com>,
	linux-kernel-list <linux-kernel@...r.kernel.org>
Subject: Re: e2b2rom_init_one():  Unable to register resource

On Sat, Feb 17, 2007 at 11:29:19PM +0200, Dan Aloni wrote:
| Hello,
| 
| I'm running the x86_64 arch of Linux 2.6.20 on a Supermicro X6DH8-XG2 
| board and I got this during boot:
| 
| [248660.950695] device id = 2440
| [248660.950699] device id = 2480
| [248660.950703] device id = 24c0
| [248660.950706] device id = 24d0
| [248660.950709] matched device = 24d0
| [248660.950712] matched device id 24d0
| [248660.950716] pci_read_config_byte : 4
| [248660.950723] esb2rom: esb2rom_init_one(): Unable to register resource 
| 0xffffffffffc00000-0xffffffff - kernel bug?
| [248660.950729] esb2rom: ioremap(ffffffffffc00000, 100400000) failed
| [248660.956859] retVal = -19
| 
| Looks like some kind of a 64-bit portability bug...
| 
| -- 
| Dan Aloni
| XIV LTD, http://www.xivstorage.com
| da-x (at) monatomic.org, dan (at) xiv.co.il
| -
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| 

Hi Dan,

I think that is not 64-bit portability bug and the code should be
reviewed by Lew Glendenning (who wrote it). I'm sending a copy of
the message to Lew and hope he'll check the code ;)

P.S. (for Lew)
	Lew, I think window->phys in esb2rom_init_one() remains in zero
	and then sets it to 0xffffffffffc00000 after 

		window->phys -= 0x400000UL

	May be something wrong with word returned at pci_read_config_word()?

		Cyrill

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