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Thanks for the tip Dan i will test it on my quad.
the only problem i have a radeonhd on it in couple with nvidia will se if with the suggested parameter i will able finally to have something working here and no more crashes of Xorg! > Date: Thu, 30 Apr 2015 22:49:43 -0700 > From: dand1972@yahoo.com > Subject: Re: PowerMac G5, GeForce FX 5200, black screen > To: rbthomas@pobox.com > CC: intermediadc@hotmail.com; risto.suominen@gmail.com; debian-powerpc@lists.debian.org > > On my machine with an ATI card, the boot parameters "radeon.modeset=0" or "nomodeset" work. So on the second Yaboot screen, I type either "Linux radeon.modeset=0" or "Linux nomodeset" to disable KMS. For machines with Nvidia cards, you can do either "Linux nomodeset" or "Linux nouveau.modeset=0". To make the boot parameters permanent so you don't have to type them in anymore, add them with the "append" line to your yaboot.conf like this: > > image=/boot/vmlinux > label=Linux > read-only > initrd=/boot/initrd.img > append="nomodeset video=offb:off" > > I added the "video=offb:off" parameter because my machine experienced a bug where the open firmware framebuffer was inhibiting the fall-back radeon framebuffer from loading: > > https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=782066 > > Also, don't forget to run "sudo ybin -v" after changing yaboot.conf. I always forget that. > > Regards, > > Dan > > -------------------------------------------- > On Thu, 4/30/15, Rick Thomas <rbthomas@pobox.com> wrote: > > Subject: Re: PowerMac G5, GeForce FX 5200, black screen > To: "Dan DeVoto" <dand1972@yahoo.com> > Cc: "luigi burdo" <intermediadc@hotmail.com>, "Risto Suominen" <risto.suominen@gmail.com>, "PowerPC List Debian" <debian-powerpc@lists.debian.org> > Date: Thursday, April 30, 2015, 5:39 PM > > Disabling KMS sounds like > something I could try (as I say, no X running on this > machine). > > How do I do > that? > > Thanks! > Rick > > On Apr > 30, 2015, at 2:02 PM, Dan DeVoto wrote: > > > I have the black screen problem on my > iBook. It happens about halfway through the boot process, > when kernel modesetting is enabled. I left a bug > report: > > > > https://bugs.freedesktop.org/show_bug.cgi?id=90220 > > > > A workaround is to > boot with parameters that disabled KMS, but if you have X > running you'll have an unaccelerated desktop. > > > > Regards, > > > > Dan > > > > > > > -------------------------------------------- > > On Thu, 4/30/15, Rick Thomas <rbthomas@pobox.com> > wrote: > > > > Subject: > Re: PowerMac G5, GeForce FX 5200, black screen > > To: "luigi burdo" <intermediadc@hotmail.com> > > Cc: "Risto Suominen" <risto.suominen@gmail.com>, > "PowerPC List Debian" <debian-powerpc@lists.debian.org> > > Date: Thursday, April 30, 2015, 1:35 PM > > > > > > I > > don’t have X.org > on this machine. I’m trying to keep > > > it as simple as possible, so I did not install any > desktop > > task. Just the basic virtual > terminal console. > > > > > Even so, I get the usual text > > streaming > by during the boot process, but then a blank > > screen. The system is up — I can ssh > into it, but no > > console. > > > > Anybody know > > what’s causing it? > > > > > Rick > > > > On Apr > > 30, 2015, at > 5:02 AM, luigi burdo <intermediadc@hotmail.com> > > wrote: > > > >> I start have > > this > issue on Jessie > >> but the black > > screen is the simptom i face because Xorg > make a hard crash > > (reported to xorg > devs). > >> switch to tty > > ... and try to make xinit or start x . > >> > > > >> On wheezy delete the xorg.conf and > > probably you will fix it > >> > >> Luigi > Burdo > >> > >>> > Subject: Re: PowerMac G5, GeForce FX > > > 5200, black screen > >>> From: rbthomas@pobox.com > >>> Date: Thu, 30 Apr 2015 02:49:42 > > -0700 > >>> CC: debian-powerpc@lists.debian.org > >>> To: risto.suominen@gmail.com > >>> > >>> > Hi > > Risto, > >>> > > >>> > > I’m > seeing this as well. I have a PowerMac11,2 (dual core > > G5 7GB RAM) > >>> > > >> > >> Did you > ever discover how to fix it without holding > > back on the kernel level? > >>> > >>> > Anybody? All clues are welcome! > >>> > > >>> Thanks! > >>> Rick > >>> > > >>> On Dec 1, 2014, at 6:16 AM, > Risto > > Suominen <risto.suominen@gmail.com> > > wrote: > >>> > >>> > >> Hi, > >>>> > >>>> This is probably an old > issue, > > possibly discussed before, even > on this list. > >>>> > >>>> > > I've > been holding my linux-image as version 3.2.0-2 to > > avoid the problem. > >>>> > >>>> So, the problem: after > upgrading > > to 3.2.0-4, X display is not > working. > >> > >>> According to Xorg.log everything > is as before, but > > the screen remains > >>>> black. (At > > boot the text console is ok.) > >>>> > > > >>>> I'm using kernel > command > > line: > >>>> > >> > >>> video=TV-1:d > >>>> > >>>> and xorg.conf: > >>>> > >>>> > > Section > "Device" > >>>> > > Identifier "Configured Video > Device" > >>>> BusID > > "PCI:240:16:0" > >>>> > > Driver > "nouveau" > >>>> > > Option "Monitor-TV-1" > "Configured > > Monitor" > >>>> Option > > "NoAccel" > "true" > >>>> > EndSection > >> > >>> > >>>> > Section > > "Monitor" > >>>> > > > Identifier "Configured Monitor" > >>>> Option "Ignore" > > "true" > >>>> > > > EndSection > >>>> > >>>> Section "Screen" > >>>> Identifier "Default > > Screen" > >>>> Device > > > "Configured Video Device" > >> > > >>> EndSection > >>>> > >>>> In addition, I've tried > to > > add /etc/modprobe.d/nouveau.conf: > >>> > >> > >>>> nouveau noaccel=1 > >>>> > >>>> > > It makes > no difference. > >>>> > >>>> I'm using Wheezy (7.7) > with > > all latest packages. > >>>> > >>>> The machine is PowerMac7,3 > > (2x1,8 GHz, 1,25 GB RAM). > >>>> > >>>> Anyone else seen this? > >>>> > >>>> > > Risto > >>>> > > > > > > -- > > To UNSUBSCRIBE, email to debian-powerpc-REQUEST@lists.debian.org > > with a subject of > "unsubscribe". > > Trouble? > Contact listmaster@lists.debian.org > > Archive: https://lists.debian.org/D592093D-BDC6-43B8-877A-619DC702A356@pobox.com > > > > > > > > -- > To UNSUBSCRIBE, email to debian-powerpc-REQUEST@lists.debian.org > with a subject of "unsubscribe". > Trouble? Contact listmaster@lists.debian.org > Archive: https://lists.debian.org/[🔎] A4AF50C8-4D23-475C-A8CE-9A622AA2C217@pobox.com > |