linux-kernel - Re: All 2.6.26-rcX hang immediately after loading ohci

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Date:	Sun, 6 Jul 2008 08:59:54 +0400
From:	Andrey Borzenkov <arvidjaar@...l.ru>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	David Brownell <david-b@...bell.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-usb@...r.kernel.org, Alan Stern <stern@...land.harvard.edu>,
	"Greg Kroah-Hartman" <gregkh@...e.de>
Subject: Re: All 2.6.26-rcX hang immediately after loading ohci_hcd

On Sunday 06 July 2008, Linus Torvalds wrote:
> 
> On Sat, 5 Jul 2008, David Brownell wrote:
> > 
> > I seem to recall some oddness with RHSC on some platforms,
> > way back when I had lots of OHCI hardware and did comparative.
> > testing.  RHSC and RD did not act quite like the docs said ...
> > 
> > Simple experiments:  add "distrust_firmware=y" to the ohci

no change (it is possible that I screwed up something in a hurry)

> > module options.  Or:  try a kernel without CONFIG_PM enabled.
> 
> I think Andrey said he was leaving for a week, so I don't think he'll be 
> testing now.
> 
> But Andrey - if you are on-line and have access to the machine, one thing 
> to try would be to just do a 
> 
> 	git revert e872154921a6b5
> 
> in case it really was that particular commit. It seems to revert cleanly 
> (although I didn't actually check if the result then compiled/worked).
> 

Looks much better; I am writing this now under 2.6.26-rc8 with above
commit reverted.

Any more tests will really have to wait till next weekend; sorry.

> And a "git bisect" would obviously be wonderful in case it wasn't.
> 
> 			Linus
> 
> 



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