On Fri, 2009-08-28 at 18:28 +0200, Gerhard Pircher wrote: > -------- Original-Nachricht -------- > > Datum: Fri, 28 Aug 2009 10:04:19 +0200 > > Von: "Michel Dänzer" <mic...@daenzer.net> > > An: Gerhard Pircher <gerhard_pirc...@gmx.net> > > CC: dri-devel@lists.sourceforge.net > > Betreff: Re: Kernel fails to boot with radeondrmfb > > > On Thu, 2009-08-27 at 22:08 +0200, Gerhard Pircher wrote: > > > > > > I gave Radeon kernel mode setting a try on my PPC G4/7455 machine, but > > > the Radeon DRM driver fails to initialize and then the kernel prints > > > "Badness at kernel/mutex-debug.c:77". I tested it with an almost > > > (yesterday) fresh checkout of the linus-2.6 (no log, but same output), > > > drm-2.6/drm-fixes and drm-2.6/drm-next git tree. > > > > > > Please take a look at the kernel config, log and lspci.txt files: > > > http://boot.homelinux.org:8080/kernel/drm.config > > > http://boot.homelinux.org:8080/kernel/drm-next.log > > > http://boot.homelinux.org:8080/kernel/drm-fixes.log > > > http://boot.homelinux.org:8080/kernel/lspci.txt > > > > > > The machine is a bit special (non coherent DMA) and there is no > > > AGPGART driver for the northbridge (so the Radeon card should operate > > > in PCIGART mode!?). > > > > My guess would be that radeon_gart_table_ram_alloc() fails. Maybe you > > can add some debugging output there and in r100_pci_gart_enable() to > > verify that. > I tried to add some debugging output with both printk() and DRM_INFO() > (see patch at the end), but it never gets printed. Even a BUG() statement > at the beginning of r100_pci_gart_enable() is not triggered. I would say > the functions are not called, or do I miss something here?
Then it probably doesn't properly detect that AGP is unusable. Try radeon.agpmode=-1 as a workaround. -- Earthling Michel Dänzer | http://www.vmware.com Libre software enthusiast | Debian, X and DRI developer ------------------------------------------------------------------------------ Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july -- _______________________________________________ Dri-devel mailing list Dri-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dri-devel
