From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: Re: [Bugme-new] [Bug 7920] New: platinumfb - video display problem Date: Thu, 1 Feb 2007 17:20:34 -0800 Message-ID: <20070201172034.19859305.akpm@osdl.org> References: <200702020045.l120jFpw013553@fire-2.osdl.org> Reply-To: linux-fbdev-devel@lists.sourceforge.net Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from sc8-sf-mx2-b.sourceforge.net ([10.3.1.92] helo=mail.sourceforge.net) by sc8-sf-list1-new.sourceforge.net with esmtp (Exim 4.43) id 1HCn6n-0004DZ-Tc for linux-fbdev-devel@lists.sourceforge.net; Thu, 01 Feb 2007 17:20:57 -0800 Received: from smtp.osdl.org ([65.172.181.24]) by mail.sourceforge.net with esmtps (TLSv1:DES-CBC3-SHA:168) (Exim 4.44) id 1HCn6l-00009M-C7 for linux-fbdev-devel@lists.sourceforge.net; Thu, 01 Feb 2007 17:20:57 -0800 In-Reply-To: <200702020045.l120jFpw013553@fire-2.osdl.org> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-fbdev-devel-bounces@lists.sourceforge.net Errors-To: linux-fbdev-devel-bounces@lists.sourceforge.net To: linux-fbdev-devel@lists.sourceforge.net Cc: Benjamin Herrenschmidt , tomasz89@gmail.com, James Simmons , "bugme-daemon@kernel-bugs.osdl.org" On Thu, 1 Feb 2007 16:45:15 -0800 bugme-daemon@bugzilla.kernel.org wrote: > http://bugzilla.kernel.org/show_bug.cgi?id=7920 > > Summary: platinumfb - video display problem > Kernel Version: 2.6.17-rc4, 2.6.16, 2.6.15, 2.6.14 > Status: NEW > Severity: blocking > Owner: jsimmons@infradead.org > Submitter: tomasz89@gmail.com > > > Hi all, > > I managed to get my hands on a PowerMac 7200 and am > trying to boot. I (cross) compiled a kernel of > 2.6.16.16 from a gentoo x86 box, and serially connected > the machine to view the console output results. I have > stripped out basically everything (no IDE, SCSI, USB) > except serial, framebuffer, console and ADB. > > The framebuffer won't enable using the platinumfb for > the life of me when using BootX from a MacOS 7.6.1 > installation on another hard drive. I've dropped a new > AHA2940 (bios flashed to OpenFirmware) SCSI card with > another attached hard drive to it (8GB of SCSI > goodness) so I can hack away to my hearts > content. > > I have a successful installation of Debian 3.1 on this > HDD from a previously successful attempt some months > ago using the miboot boot/root install set from: > http://people.debian.org/~luther/d-i/sid/images/daily/ > The daily builds I tried were 18-20 May 2006, and while > I believe the kernel has booted okay (since I can > insert the root floppy and hit enter and it does > something) I can't see anything on the screen. > > I have a native mac monitor, MacOS runs at 640x480 > happily. I can boot the debian/woody kernel (2.2) > series with the platinumfb driver, and zapola > everything is okay. I get screen output. I can boot off > one of my custom built 2.6.x kernels, specifying the > serial console as a the console=... parameter and sure > enough the system comes up without a hitch except that > the monitor is in 'off' mode. I have tried kernels > 2.6.17-rc4, 2.6.16, 2.6.15, 2.6.14 (cross-)compiled > from sources without any luck. > > Using > http://www.jonh.net/lppcfom-serve/cache/1043.html, I > have tried to give also several boot paramters > (thankfully I'm using BootX to try this stuff out now, > because trying to recreate the miboot debian floppies > would not have made for easy testing), also without > luck. Some examples of failed boots follow: > video=platinumfb > video=platinumfb:vmode:6,cmode:8 > video=platinumfb:vmode:13,cmode:8 > .. all with the same end result: no video. > > Can I work with anyone on fixing this? It would be nice > to have some working miboots again, but unfortunately I > can't remember which daily build I downloaded when I > actually installed sarge some months ago. I *think* it > was 2.6.15, but I can't follow the same steps now > because the other modules can't be downloaded from > package repositories as sid is in 2.6.16-land now. I > have also tried the video=ofonly options when that > option is compiled in to the kernel (by the way, I am > always statically compiling the fb devices in), the > ofonlyboot image from the miboot series, also without > any joy. In my own compilations, I only ever use either > the platinumfb or the ofonly framebuffer devices > compiled in, not both at once. > > I know (specifically) with the 2.6.17-rc4 kernel, the output > is there (sorta), but kind of skewed. So a line is kind of > skewed across the screen, and you can see dots coming up but > they're all with a very deep slant. > So a normal line would look like this: > .................................. > What I get is this: > .......... > ........... > ............... > .............. > I didn't think to mention it before because its darn hard to > explain =) > > -Tomasz > > ------- You are receiving this mail because: ------- > You are on the CC list for the bug, or are watching someone who is. ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier. Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642