From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Pavel Machek <pavel@ucw.cz>
Subject: Re: 2.6.12-rc1-mm1: resume regression [update] (was: Re: 2.6.12-rc1-mm1: Kernel BUG at pci:389)
Date: Thu, 24 Mar 2005 00:49:25 +0100
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Cc: Andrew Morton <akpm@osdl.org>, Greg KH <greg@kroah.com>,
       Len Brown <len.brown@intel.com>, LKML <linux-kernel@vger.kernel.org>,
       Shaohua Li <shaohua.li@intel.com>
References: <20050322013535.GA1421@elf.ucw.cz> <200503232329.50461.rjw@sisk.pl> <20050323223918.GL30704@elf.ucw.cz>
In-Reply-To: <20050323223918.GL30704@elf.ucw.cz>
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Hi,

On Wednesday, 23 of March 2005 23:39, Pavel Machek wrote:
> Hi!
> 
> > > > > Will this do it for the moment?
> > > > 
> > > > Its certainly better.
> > > 
> > > With the Len's patch applied I have to unload the modules:
> > > 
> > > ohci_hcd
> > > ehci_hcd
> > > yenta_socket
> > > 
> > > before suspend as each of them hangs the box solid during either
> > > suspend or resume.  Moreover, when I tried to load the ehci_hcd
> > > module back after resume, it hanged the box solid too.
> > 
> > This behavior is apparently caused by the call to pci_write_config_word() with
> > pmcsr = 0 in drivers/pci/pci.c:pci_set_power_state().
> > 
> > Well, I don't think I can do anything more about it myself. :-)
> 
> Can you just revert those two patches from Len, and see what happens?

Reverting them doesn't change anything, so there's something else that
breaks things, apparently.

Greets,
Rafael


-- 
- Would you tell me, please, which way I ought to go from here?
- That depends a good deal on where you want to get to.
		-- Lewis Carroll "Alice's Adventures in Wonderland"
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