Date: Wed, 16 Feb 2005 09:30:40 +0100
From: Romano Giannetti <romanol@upco.es>
To: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [ACPI] Re: Call for help: list of machines with working S3
Message-ID: <20050216083040.GB22816@pern.dea.icai.upco.es>
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On Wed, Feb 16, 2005 at 01:47:04PM +1100, Nigel Cunningham wrote:
> Hi.
> 
> On Wed, 2005-02-16 at 12:54, Pavel Machek wrote:
> > > Also, is USB suspend/resume supposed to work? My brief trials involved 
> > > modprobing the USB HCD modules, which still allowed me to suspend/resume, but 
> > > my USB mouse was non-functional on resume.
> > 
> > Yes, it seems to work quite okay. You may need to unplug/replug
> > devices after resume, but it should be basically ok.
> 
> We still have plenty of people for whom the best option is to build as
> modules, unload prior to suspending and reload afterwards. It seems to
> depend on what type your controller is: I do this for uhci_hcd and get
> fully functional usb post resume (-rc4).
> 

I have no problem for USB "stateless" devices. The real problem is when you
do a suspend/resume cycle with a *mounted* usb stick or disk. Upon resume,
the device is found and associated with a diffent block device than before,
and the previous mount point is stuck forever (well, almost forever).
Sometime umount -f works, sometime no, but it is quite irritating that I
need to reboot to have the "good old /dev/sda1" which is in the fstab
working. 

Romano 

-- 
Romano Giannetti             -  Univ. Pontificia Comillas (Madrid, Spain)
Electronic Engineer - phone +34 915 422 800 ext 2416  fax +34 915 596 569
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