linux-kernel - Re: Boot time module loading problem

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Message-ID: <476F11EE.7070204@gmail.com>
Date:	Mon, 24 Dec 2007 07:27:02 +0530
From:	Shourya Sarcar <sarcarsh@...il.com>
To:	Larry Finger <larry.finger@...inger.net>
CC:	LKML <linux-kernel@...r.kernel.org>,
	Johannes Berg <johannes@...solutions.net>,
	bcm43xx-dev@...ts.berlios.de
Subject: Re: Boot time module loading problem

Larry Finger wrote:
> With 2.6.24-rc5, a b43 user reports a problem at bootup. The b43
> module, which should be loaded by the ssb module, fails with the
> following type of message:
> 
> ssb: Sonics Silicon Backplane found on PCI device 0000:0c:00.0 b43:
> disagrees about version of symbol ssb_device_is_enabled b43: Unknown
> symbol ssb_device_is_enabled b43: disagrees about version of symbol
> ssb_pcicore_dev_irqvecs_enable b43: Unknown symbol
> ssb_pcicore_dev_irqvecs_enable b43: disagrees about version of symbol
> ssb_bus_may_powerdown b43: Unknown symbol ssb_bus_may_powerdown
> 
> < and more similar lines....>
> 
> If the user issues the commands
> 
> rmmod ssb; modprobe b43
> 
> then the modules are loaded correctly and the wireless device works.
> 
> What could be causing such a problem?
> 
> Larry
> 

Larry, thanks for pursuing this. I upgraded to 2.6.24-rc6 last night and
I don't see this issue anymore. One might think that the clean remake
solved the problem (which I am pretty sure I did with rc5 as well); but 
still does not explain with 2.6.24-rc5, the module would not load on 
first attempt but then load after the manual:

# rmmod ssb;modprobe b43

Best regards,
Shourya




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