From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Rafael J. Wysocki" Subject: Re: Fwd: [Suspend-devel] resume not working on acer ferrari 4005 with radeonfb enabled Date: Mon, 13 Nov 2006 15:06:26 +0100 Message-ID: <200611131506.27698.rjw@sisk.pl> References: Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-Id: Cc: Pavel Machek , Benjamin Herrenschmidt , Andrew Morton , Solomon Peachy , linux-fbdev-devel@lists.sourceforge.net, LKML On Monday, 13 November 2006 11:51, Christian Hoffmann wrote: > > > -----Original Message----- > > From: Pavel Machek [mailto:pavel@ucw.cz] > > Sent: Sunday, November 12, 2006 1:14 PM > > To: Benjamin Herrenschmidt > > Cc: Christian Hoffmann; Andrew Morton; Solomon Peachy; Rafael > > J. Wysocki; linux-fbdev-devel@lists.sourceforge.net; LKML; > > Christian@ogre.sisk.pl; Hoffmann@albercik.sisk.pl > > Subject: Re: Fwd: [Suspend-devel] resume not working on acer > > ferrari 4005 with radeonfb enabled > > > > Hi! > > > > > > Then the radeonfb doesn't kick in at all (guess some pci ids are > > > > added in that patch). > > > > > > > > BTW: resume/suspend works ok if I have the vesa fb enabled. > > > > > > In that case (vesafb), when does the screen come back > > precisely ? Do > > > you get console mode back and then X ? Or it only comes back when > > > going back to X ? Do you have some userland-type vbetool > > thingy that > > > bring it back ? > > > > He's using s3_bios+s3_mode, so kernel does some BIOS calls to > > reinit the video. It should come out in text mode, too. > > > > Christian, can you unload radeonfb before suspend/reload it > > after resume? > > Will it work if radeonfb is compiled as module? I think I had problems > with that, but I'll try again. > > > > > Next possibility is setting up serial console and adding some > > printks to radeon... > > Unfortunatly, the laptop doesn't have serial port. I tried to get a USB > device (pocketpc) read the USB serial, but I only partially succeeded. I > can pass console=ttyUSB0 to the kernel and load the ipaq serial console > driver as it oopses. I am able to echo strings to /dev/ttyUSB0 and read > them on the ipaq, but I am not able to "deviate" the kernel messages to > that port. Any hints on how to do that would be very appreciated, I > didn't find anything usefull on the web. (I tried with setconsole > /dev/ttyUSB0 but it gives error msg about device busy or something) Would it be practicable to use netconsole on your box? If so, it should work. Greetings, Rafael -- You never change things by fighting the existing reality. R. Buckminster Fuller