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From: Ivo van Doorn <ivdoorn@gmail.com>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: linux-wireless <linux-wireless@vger.kernel.org>
Subject: Re: crash with rt61pci when resuming with card ejected
Date: Thu, 30 Oct 2008 22:47:28 +0100	[thread overview]
Message-ID: <200810302247.28609.IvDoorn@gmail.com> (raw)
In-Reply-To: <1225361553.3690.3.camel@johannes.berg>

Hi,

> Maybe it was stupid, but with USB it always works, I suspended, ejected
> the card (because I had to go and didn't want to resume) while suspended
> and resumed when I arrived at uni, to find the laptop crashing.
> 
> http://johannes.sipsolutions.net/files/rt61pci-resume-crash.jpg
> 
> Sorry it's so unreadable, there wasn't much light and I only had my crap
> cell phone.
> 
> Here's some of the backtrace:
> NIP: rt61pci_mcu_request
> LR: rt2x00leds_unregister_led
> 
> rt2x00leds_unregister

Heh well these 2 functions are the most important ones in the trace anyway. ;)
The only reason I see that rt61pci_mcu_request might fail like this is if writel()
crashes when a device is unplugged while a driver still has a reference to the
register base pointer which came from ioremap().
But I don't know if that would be a valid assumption. :S

Ivo

  reply	other threads:[~2008-10-30 21:47 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-10-30 10:12 crash with rt61pci when resuming with card ejected Johannes Berg
2008-10-30 21:47 ` Ivo van Doorn [this message]
2008-10-30 22:07   ` Johannes Berg
2008-10-30 23:07   ` Johannes Berg
2008-10-31 19:31     ` Ivo van Doorn
2008-10-31 21:47       ` Johannes Berg
2008-10-31 22:01         ` Ivo van Doorn
2008-10-31 22:11           ` Johannes Berg
2008-11-01  8:58             ` Ivo van Doorn
2008-11-01  9:15               ` Johannes Berg
2008-11-01 10:29                 ` Ivo van Doorn
2008-11-01 12:05                   ` Johannes Berg
2008-11-01 15:25                     ` Ivo van Doorn
2008-11-01 15:34                       ` Johannes Berg
2008-11-01 23:10                         ` Ivo van Doorn

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