Subject: Re: regression: a0d4922 causes PCI host constroller problems
From: Simon Holm =?ISO-8859-1?Q?Th=F8gersen?= <odie@cs.aau.dk>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: Greg Kroah-Hartman <gregkh@suse.de>, "Rafael J. Wysocki" <rjw@sisk.pl>,
       linux-kernel <linux-kernel@vger.kernel.org>, linux-usb@vger.kernel.org
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Date: Fri, 16 Jan 2009 10:16:08 +0100
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fre, 16 01 2009 kl. 09:05 +0100, skrev Simon Holm Thøgersen:
> commit a0d4922 ("USB: fix up suspend and resume for PCI host
> controllers") causes a lot of these two lines to be logged:
> 
> uhci_hcd 0000:00:1d.2: host system error, PCI problems?
> uhci_hcd 0000:00:1d.2: host controller process error, something bad
> happened!
> 
> Normally they appear on resume after suspend to disk, but sometimes I'm
> not even sure I had to suspend to disk to see them. Also, it seems like
> they don't trigger if X has not been started, or at least they are much
> less likely to.
> 
> Reverting the patch restores normal operation.
> 
> No USB devices were attached BTW.

So this one has already been reported [1]. There was some mentioning of
a patch to try out instead of reverting, but I couldn't find it.

Rafael, did you have something else to suggest or can we please get a
revert of this one upstream asap before too many are wasting their time
on this one?

[1] http://lkml.org/lkml/2009/1/11/98


Simon Holm Thøgersen

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