I add suspend-devel to CC, I think they can tell more, they have all the knowledge about s2ram and the needed quirks.
You can find this thread here: http://thread.gmane.org/gmane.comp.freedesktop.hal/8199 And also this thread would be interesting (and wait maybe for comments): http://thread.gmane.org/gmane.comp.freedesktop.hal/8158 Danny On Donnerstag, 3. Mai 2007, David Zeuthen wrote: > On Thu, 2007-05-03 at 12:29 +0200, Frederic Crozat wrote: > > I just tested one of the laptops. And you were right, restoring for > > framebuffer is broken if vbestate_restore is not used. > > It's always been problematic if both X and framebuffer drivers are used > to drive the video card... you possibly have the resume path in the fb > kernel driver and the resume path in pm-utils invoking vbetool etc. > stepping on each others toes. There are other problems too with this > that are not related to suspend/resume. > > That's also why we don't use framebuffer drivers at all in Fedora for > machines that support vgacon (e.g. PC style hardware). Fedora's > "graphical boot" is using X. For better or worse. > > The right way to solve this long term is to get mode setting into the > kernel, something which people are working on. When we have that, we can > delete all the quirks as the mode setting driver will simply do the > right thing on suspend/resume. This is a few years away though (for > getting all graphics drivers to do this). > > But as your latest quirks works on both we don't need to address this > problem I suppose. If it becomes a problem I don't think the solution is > to throw quirks at the problem (it's already complex enough); I think > the solution is to just don't use the framebuffer drivers for that > device then... which is a point of contention for, shall we say, > not-so-conservative distributions using fb drivers for graphical boot... > many people, at least the X people I've been talking to... will tell you > that's a broken approach already. Many users and distro developers will > tell you it's not broken and even tell you that Fedora's graphical boot > is so 1990's (it is, but that's besides the point). > > Ugh.. Hope I didn't start a flamewar here... I'm just trying to clarify > that mixing fb and X drivers is problematic. Let's go continue > collecting quirks and make hal-info make more laptops work. ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ Suspend-devel mailing list Suspend-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/suspend-devel
