Re: OldWorld ROM Macintoshes

On Thu, 2025-09-11 at 10:20 +0700, Jeroen Diederen wrote:
> Did you install firmware-amd-graphics?

I did not have this installed.  I installed it, but it appears to have
made no difference; my Xorg.0.log is the same.

> 
> Cedar Maxwell schreef op 2025-09-10 22:49:
> > On Mon, 2025-09-08 at 21:15 -0600, Stan Johnson wrote:
> > > On 9/8/25 6:45 PM, Cedar Maxwell wrote:
> > > > On Sun, 2025-09-07 at 13:16 -0600, Stan Johnson wrote:
> > > > > On 9/5/25 6:27 PM, Cedar Maxwell wrote:
> > > > > > ...
> > > > > > 
> > > > > > Would you send your xorg.conf, etc., please?  I can only
> > > > > > seem
> > > > > > to
> > > > > > get
> > > > > > Xorg to launch by passing in video=ofonly.  I can't get it
> > > > > > to
> > > > > > work
> > > > > > with
> > > > > > fbdev either.
> > > > > > ...
> > > > > 
> > > > > 
> > > > > I've been testing kernels on my Wallstreet using a current
> > > > > Gentoo
> > > > > distribution.
> > > > > 
> > > > > I noticed this morning that mainline kernel v6.1, compiled
> > > > > using
> > > > > the
> > > > > attached .config file, works in Gentoo, but not in Debian
> > > > > SID.
> > > > > 
> > > > > In Debian, I can see the X11 login screen, but the keyboard
> > > > > and
> > > > > mouse
> > > > > don't respond. In Gentoo, everything works as expected.
> > > > > 
> > > > > In Debian SID, I'm using Xfce, sysvinit-core instead of
> > > > > systemd,
> > > > > and
> > > > > wdm
> > > > > instead of lightdm.
> > > > > 
> > > > > In Gentoo, I noticed elogind was installed; elogind was not
> > > > > installed
> > > > > in
> > > > > Debian. Using "apt-get install elogind" to install elogind,
> > > > > systemd
> > > > > was
> > > > > removed, as well as xserver-org and some X11-related files,
> > > > > so of
> > > > > course
> > > > > X11 doesn't work at all now, and I'll need to restore from a
> > > > > backup.
> > > > > Interestingly, I'm not having similar issues with PB Lombard
> > > > > or
> > > > > Pismo.
> > > > > 
> > > > > My BootX configuration is as follows (working X11 in 6.1.0 in
> > > > > Gentoo):
> > > > >       Kernel: vmlinux-6.1.0-pmac (custom kernel, no modules)
> > > > >       Boot Device: /dev/sda13 (Gentoo partition)
> > > > >       More kernel arguments:
> > > > > video=atyfb:vmode:14,cmode:32,mclk:71
> > > > >       No video driver: checked
> > > > >       Options:
> > > > >         Force SCSI ON: checked
> > > > >         Force video settings: checked
> > > > >         Use specified RAM disk: not checked
> > > > 
> > > > Checking "No video driver" appears to pass in video=ofonly. 
> > > > How is
> > > > your performance with this configuration?  Mine is borderline
> > > > unusable.
> > > > mclk:71 makes everything green.
> > > 
> > > As a test, I installed the latest Debian SID on a Pismo, so I get
> > > systemd and all of the badness that it has for slow, memory-
> > > constrained
> > > systems (my Pismo has 512 MiB memory).
> > > 
> > > Interestingly, I don't pass "video=aty128fs:1024x768" to the
> > > kernel
> > > (via
> > > yaboot) as I have in the past, yet it still works, though about
> > > twice
> > > as
> > > slowly as using sysvinit (or rcinit in Gentoo). So I guess it
> > > must be
> > > using "video=ofonly".
> > 
> > In your Xorg.log it should say which "video=" option you are using.
> > 
> > > 
> > > My intention is to copy my Debian SID and Gentoo root filesystems
> > > from
> > > my Pismo to my Wallstreet, but to do this I need to have at least
> > > dump
> > > version 0.4b49 to reliably dump and restore filesystems on
> > > powerpc.
> > > So
> > > I'm having to update Gentoo now on Pismo to update dump.
> > > 
> > > # dump --version
> > > ...
> > > dump 0.4b47 ...
> > > 
> > > I think checking "No video driver" but also specifying
> > > "video=atyfb..."
> > > will pass "video=atyfb..." to the kernel. Unfortunately, a kernel
> > > regression seems to have broken previously working X11 on the
> > > Wallstreet
> > > (I haven't heard back from the developer yet). 
> > 
> > Maybe you or I bump the email to that developer on Friday?  7 days
> > seems like a reasonable window to expect a response.
> > 
> > > I tried installing Debian
> > > SID 08/29/2025 directly on the Wallstreet by booting into the
> > > installtion vmlinux and initrd.gz, but I couldn't get it to work,
> > > even
> > > using a serial console. If my tests are accurate, the Wallstreet
> > > should
> > > eventually work with the Debian rootfs that I installed on my
> > > Pismo
> > > (except for X11).
> > 
> > Same experience here, though I don't have any adapters to test out
> > the
> > WallStreet's serial (GeoPort?).  Is Linux actually capable of
> > outputting serial data via this?  Are you using a Mini-DIN-9 to DB-
> > 9
> > adapter?  Just want to confirm before I buy anything.
> > 
> > > 
> > > On the Pismo, I had to install wdm and specify it as my display
> > > manager
> > > instead of lightdm in Debian SID 08/29/2025, otherwise I would
> > > only
> > > get
> > > a text login. It also took me a while to install everything
> > > that's
> > > useful that Debian doesn't include, such as telnet, telnetd, ftp,
> > > vsftpd, ifconfig, netstat, dump, etc. For now I'm leaving systemd
> > > installed in Debian on the Pismo and running Debian's default
> > > kernel
> > > and
> > > initrd (vmlinux-6.16.3+deb14-powerpc and
> > > initrd.img-6.16.3+deb14-powerpc). I'll replace systemd with
> > > sysvinit
> > > and
> > > try a custom kernel after I copy the Debian rootfs to the
> > > Wallstreet.
> > > 
> > > On the Pismo, X11 in Gentoo (with just a clock and two xterms
> > > running)
> > > is mostly usable and about twice as fast as using Xfce in Debian
> > > SID.
> > > The same setup is also usable (but just barely) in Gentoo on the
> > > Wallstreet, with kernel 6.1.
> > > 
> > 
> > I tried xdm, wdm, lightdm, sddm, lxdm, none work.  Xorg always
> > complains "No screens found".
> > 
> > Xorg.log with no xorg conf files:
> > 
> > [   155.890]
> > X.Org X Server 1.21.1.18
> > X Protocol Version 11, Revision 0
> > [   155.892] Current Operating System: Linux wallstreet 6.1.0-9-
> > powerpc
> > #1 Debian 6.1.27-1 (2023-05-08) ppc
> > [   155.892] Kernel command line: ramdisk_size=8192 root=/dev/sda8
> > video=atyfb:vmode:14:cmode:32
> > [   155.893] xorg-server 2:21.1.18-2
> > (https://www.debian.org/support)
> > [   155.893] Current version of pixman: 0.44.0
> > [   155.894] 	Before reporting problems, check http://wiki.x.org
> > 	to make sure that you have the latest version.
> > [   155.894] Markers: (--) probed, (**) from config file, (==)
> > default
> > setting,
> > 	(++) from command line, (!!) notice, (II) informational,
> > 	(WW) warning, (EE) error, (NI) not implemented, (??)
> > unknown.
> > [   155.897] (==) Log file: "/var/log/Xorg.0.log", Time: Sat Sep  6
> > 19:43:03 2025
> > [   155.906] (==) Using system config directory
> > "/usr/share/X11/xorg.conf.d"
> > [   155.920] (==) No Layout section.  Using the first Screen
> > section.
> > [   155.921] (==) No screen section available. Using defaults.
> > [   155.921] (**) |-->Screen "Default Screen Section" (0)
> > [   155.921] (**) |   |-->Monitor "<default monitor>"
> > [   155.925] (==) No monitor specified for screen "Default Screen
> > Section".
> > 	Using a default monitor configuration.
> > [   155.925] (**) Allowing byte-swapped clients
> > [   155.926] (==) Automatically adding devices
> > [   155.926] (==) Automatically enabling devices
> > [   155.926] (==) Automatically adding GPU devices
> > [   155.926] (==) Automatically binding GPU devices
> > [   155.927] (==) Max clients allowed: 256, resource mask: 0x1fffff
> > [   155.963] (WW) The directory "/usr/share/fonts/X11/cyrillic"
> > does
> > not exist.
> > [   155.964] 	Entry deleted from font path.
> > [   155.980] (==) FontPath set to:
> > 	/usr/share/fonts/X11/misc,
> > 	/usr/share/fonts/X11/100dpi/:unscaled,
> > 	/usr/share/fonts/X11/75dpi/:unscaled,
> > 	/usr/share/fonts/X11/Type1,
> > 	/usr/share/fonts/X11/100dpi,
> > 	/usr/share/fonts/X11/75dpi,
> > 	built-ins
> > [   155.981] (==) ModulePath set to "/usr/lib/xorg/modules"
> > [   155.981] (II) The server relies on udev to provide the list of
> > input devices.
> > 	If no devices become available, reconfigure udev or
> > disable
> > AutoAddDevices.
> > [   155.983] (II) Loader magic: 0xb207a8
> > [   155.984] (II) Module ABI versions:
> > [   155.984] 	X.Org ANSI C Emulation: 0.4
> > [   155.984] 	X.Org Video Driver: 25.2
> > [   155.984] 	X.Org XInput driver : 24.4
> > [   155.984] 	X.Org Server Extension : 10.0
> > [   156.000] (++) using VT number 1
> > 
> > [   156.039] (II) systemd-logind: took control of session
> > /org/freedesktop/login1/session/_35
> > [   156.061] (--) PCI:*(0@0:17:0) 1002:4c50:0000:0000 rev 220, Mem
> > @
> > 0x82000000/16777216, 0xfd020000/4096, I/O @ 0x00000400/256, BIOS @
> > 0x????????/131072
> > [   156.067] (II) LoadModule: "glx"
> > [   156.092] (II) Loading
> > /usr/lib/xorg/modules/extensions/libglx.so
> > [   156.240] (II) Module glx: vendor="X.Org Foundation"
> > [   156.241] 	compiled for 1.21.1.18, module version = 1.0.0
> > [   156.241] 	ABI class: X.Org Server Extension, version 10.0
> > [   156.242] (==) Matched ati as autoconfigured driver 0
> > [   156.242] (==) Matched modesetting as autoconfigured driver 1
> > [   156.242] (==) Matched fbdev as autoconfigured driver 2
> > [   156.242] (==) Assigned the driver to the xf86ConfigLayout
> > [   156.242] (II) LoadModule: "ati"
> > [   156.244] (II) Loading /usr/lib/xorg/modules/drivers/ati_drv.so
> > [   156.253] (II) Module ati: vendor="X.Org Foundation"
> > [   156.253] 	compiled for 1.21.1.9, module version = 22.0.0
> > [   156.253] 	Module class: X.Org Video Driver
> > [   156.253] 	ABI class: X.Org Video Driver, version 25.2
> > [   156.254] (II) LoadModule: "mach64"
> > [   156.255] (II) Loading
> > /usr/lib/xorg/modules/drivers/mach64_drv.so
> > [   156.273] (II) Module mach64: vendor="X.Org Foundation"
> > [   156.273] 	compiled for 1.21.1.16, module version = 6.10.0
> > [   156.273] 	Module class: X.Org Video Driver
> > [   156.274] 	ABI class: X.Org Video Driver, version 25.2
> > [   156.274] (II) LoadModule: "modesetting"
> > [   156.275] (II) Loading
> > /usr/lib/xorg/modules/drivers/modesetting_drv.so
> > [   156.291] (II) Module modesetting: vendor="X.Org Foundation"
> > [   156.291] 	compiled for 1.21.1.18, module version = 1.21.1
> > [   156.292] 	Module class: X.Org Video Driver
> > [   156.292] 	ABI class: X.Org Video Driver, version 25.2
> > [   156.292] (II) LoadModule: "fbdev"
> > [   156.294] (II) Loading
> > /usr/lib/xorg/modules/drivers/fbdev_drv.so
> > [   156.306] (II) Module fbdev: vendor="X.Org Foundation"
> > [   156.307] 	compiled for 1.21.1.3, module version = 0.5.0
> > [   156.307] 	Module class: X.Org Video Driver
> > [   156.307] 	ABI class: X.Org Video Driver, version 25.2
> > [   156.308] (II) MACH64: Driver for ATI Mach64 chipsets
> > [   156.308] (II) modesetting: Driver for Modesetting Kernel
> > Drivers:
> > kms
> > [   156.308] (II) FBDEV: driver for framebuffer: fbdev
> > [   156.311] (WW) Falling back to old probe method for modesetting
> > [   156.311] (EE) open /dev/dri/card0: No such file or directory
> > [   156.314] (WW) Falling back to old probe method for fbdev
> > [   156.314] (II) Loading sub module "fbdevhw"
> > [   156.314] (II) LoadModule: "fbdevhw"
> > [   156.317] (II) Loading /usr/lib/xorg/modules/libfbdevhw.so
> > [   156.326] (II) Module fbdevhw: vendor="X.Org Foundation"
> > [   156.326] 	compiled for 1.21.1.18, module version = 0.0.2
> > [   156.326] 	ABI class: X.Org Video Driver, version 25.2
> > [   156.330] (II) MACH64(0): Creating default Display subsection in
> > Screen section
> > 	"Default Screen Section" for depth/fbbpp 24/32
> > [   156.330] (==) MACH64(0): Depth 24, (--) framebuffer bpp 32
> > [   156.331] (==) MACH64(0): Using EXA acceleration architecture
> > [   156.333] (EE) Unable to map mmio aperture. Invalid argument
> > (22)
> > [   156.333] (WW) MACH64: Mach64 in slot 0:17:0 could not be
> > detected!
> > [   156.333] (II) UnloadModule: "mach64"
> > [   156.334] (EE) Screen(s) found, but none have a usable
> > configuration.
> > [   156.334] (EE)
> > Fatal server error:
> > [   156.334] (EE) no screens found(EE)
> > [   156.335] (EE)
> > Please consult the The X.Org Foundation support
> > 	 at http://wiki.x.org
> >  for help.
> > [   156.337] (EE) Please also check the log file at
> > "/var/log/Xorg.0.log" for additional information.
> > [   156.338] (EE)
> > [   156.407] (EE) Server terminated with error (1). Closing log
> > file.
> > 
> > 
> > Tried with this xorg.conf:
> > 
> > Section "Device"
> >     Identifier     "Card0"
> >     Driver         "fbdev"
> >     Option         "fbdev" "/dev/fb0"
> >     Option         "ShadowFB" "true"
> > EndSection
> > 
> > Section "Monitor"
> >     Identifier     "Monitor0"
> >     HorizSync      30-70
> >     VertRefresh    50-120
> > EndSection
> > 
> > Section "Screen"
> >     Identifier     "Screen0"
> >     Device         "Card0"
> >     Monitor        "Monitor0"
> >     DefaultDepth   16
> >     SubSection "Display"
> >         Depth      16
> >         Modes      "1024x768"
> >     EndSubSection
> > EndSection
> > 
> > Then this is my Xorg.log:
> > 
> > [   866.823]
> > X.Org X Server 1.21.1.18
> > X Protocol Version 11, Revision 0
> > [   866.839] Current Operating System: Linux wallstreet 6.1.0-9-
> > powerpc
> > #1 Debian 6.1.27-1 (2023-05-08) ppc
> > [   866.840] Kernel command line: ramdisk_size=8192 root=/dev/sda8
> > video=atyfb:vmode:14:cmode:16
> > [   866.851] xorg-server 2:21.1.18-2
> > (https://www.debian.org/support)
> > [   866.856] Current version of pixman: 0.44.0
> > [   866.866] 	Before reporting problems, check http://wiki.x.org
> > 	to make sure that you have the latest version.
> > [   866.867] Markers: (--) probed, (**) from config file, (==)
> > default
> > setting,
> > 	(++) from command line, (!!) notice, (II) informational,
> > 	(WW) warning, (EE) error, (NI) not implemented, (??)
> > unknown.
> > [   866.890] (==) Log file: "/var/log/Xorg.0.log", Time: Sat Sep  6
> > 20:08:03 2025
> > [   866.898] (==) Using config file: "/etc/X11/xorg.conf"
> > [   866.903] (==) Using system config directory
> > "/usr/share/X11/xorg.conf.d"
> > [   866.908] (==) ServerLayout "Layout0"
> > [   866.909] (**) |-->Screen "Screen0" (0)
> > [   866.909] (**) |   |-->Monitor "Monitor0"
> > [   866.912] (**) |   |-->Device "Card0"
> > [   866.913] (**) |-->Input Device "Keyboard0"
> > [   866.913] (**) |-->Input Device "Mouse0"
> > [   866.913] (**) Allowing byte-swapped clients
> > [   866.913] (==) Automatically adding devices
> > [   866.913] (==) Automatically enabling devices
> > [   866.914] (==) Automatically adding GPU devices
> > [   866.914] (==) Automatically binding GPU devices
> > [   866.914] (==) Max clients allowed: 256, resource mask: 0x1fffff
> > [   866.915] (WW) The directory "/usr/share/fonts/X11/cyrillic"
> > does
> > not exist.
> > [   866.915] 	Entry deleted from font path.
> > [   866.915] (==) FontPath set to:
> > 	/usr/share/fonts/X11/misc,
> > 	/usr/share/fonts/X11/100dpi/:unscaled,
> > 	/usr/share/fonts/X11/75dpi/:unscaled,
> > 	/usr/share/fonts/X11/Type1,
> > 	/usr/share/fonts/X11/100dpi,
> > 	/usr/share/fonts/X11/75dpi,
> > 	built-ins
> > [   866.916] (**) ModulePath set to "/usr/lib/xorg/modules"
> > [   866.916] (WW) Hotplugging is on, devices using drivers 'kbd',
> > 'mouse' or 'vmmouse' will be disabled.
> > [   866.916] (WW) Disabling Keyboard0
> > [   866.916] (WW) Disabling Mouse0
> > [   866.916] (II) Loader magic: 0xc307a8
> > [   866.917] (II) Module ABI versions:
> > [   866.917] 	X.Org ANSI C Emulation: 0.4
> > [   866.917] 	X.Org Video Driver: 25.2
> > [   866.917] 	X.Org XInput driver : 24.4
> > [   866.917] 	X.Org Server Extension : 10.0
> > [   866.933] (++) using VT number 1
> > 
> > [   866.973] (II) systemd-logind: took control of session
> > /org/freedesktop/login1/session/_31
> > [   866.992] (--) PCI:*(0@0:17:0) 1002:4c50:0000:0000 rev 220, Mem
> > @
> > 0x82000000/16777216, 0xfd020000/4096, I/O @ 0x00000400/256, BIOS @
> > 0x????????/131072
> > [   866.993] (II) "glx" will be loaded by default.
> > [   866.994] (II) LoadModule: "fbdevhw"
> > [   866.997] (II) Loading /usr/lib/xorg/modules/libfbdevhw.so
> > [   867.000] (II) Module fbdevhw: vendor="X.Org Foundation"
> > [   867.000] 	compiled for 1.21.1.18, module version = 0.0.2
> > [   867.000] 	ABI class: X.Org Video Driver, version 25.2
> > [   867.001] (II) LoadModule: "dbe"
> > [   867.001] (II) Module "dbe" already built-in
> > [   867.001] (II) LoadModule: "extmod"
> > [   867.001] (II) Module "extmod" already built-in
> > [   867.002] (II) LoadModule: "glx"
> > [   867.003] (II) Loading
> > /usr/lib/xorg/modules/extensions/libglx.so
> > [   867.026] (II) Module glx: vendor="X.Org Foundation"
> > [   867.027] 	compiled for 1.21.1.18, module version = 1.0.0
> > [   867.028] 	ABI class: X.Org Server Extension, version 10.0
> > [   867.028] (II) LoadModule: "fbdev"
> > [   867.030] (II) Loading
> > /usr/lib/xorg/modules/drivers/fbdev_drv.so
> > [   867.032] (II) Module fbdev: vendor="X.Org Foundation"
> > [   867.032] 	compiled for 1.21.1.3, module version = 0.5.0
> > [   867.033] 	Module class: X.Org Video Driver
> > [   867.033] 	ABI class: X.Org Video Driver, version 25.2
> > [   867.033] (II) FBDEV: driver for framebuffer: fbdev
> > [   867.034] (WW) Falling back to old probe method for fbdev
> > [   867.035] (II) Loading sub module "fbdevhw"
> > [   867.035] (II) LoadModule: "fbdevhw"
> > [   867.037] (II) Loading /usr/lib/xorg/modules/libfbdevhw.so
> > [   867.037] (II) Module fbdevhw: vendor="X.Org Foundation"
> > [   867.037] 	compiled for 1.21.1.18, module version = 0.0.2
> > [   867.038] 	ABI class: X.Org Video Driver, version 25.2
> > [   867.040] (WW) Falling back to old probe method for fbdev
> > [   867.040] (II) Loading sub module "fbdevhw"
> > [   867.040] (II) LoadModule: "fbdevhw"
> > [   867.042] (II) Loading /usr/lib/xorg/modules/libfbdevhw.so
> > [   867.042] (II) Module fbdevhw: vendor="X.Org Foundation"
> > [   867.043] 	compiled for 1.21.1.18, module version = 0.0.2
> > [   867.043] 	ABI class: X.Org Video Driver, version 25.2
> > [   867.044] (EE) No devices detected.
> > [   867.045] (EE)
> > Fatal server error:
> > [   867.045] (EE) no screens found(EE)
> > [   867.046] (EE)
> > Please consult the The X.Org Foundation support
> > 	 at http://wiki.x.org
> >  for help.
> > [   867.046] (EE) Please also check the log file at
> > "/var/log/Xorg.0.log" for additional information.
> > [   867.047] (EE)
> > [   867.125] (EE) Server terminated with error (1). Closing log
> > file.
> > 
> > Please advise.
> > 
> > > > 
> > > > > 
> > > > > I'll probably end up using whatever .config file the
> > > > > developer
> > > > > who
> > > > > investigates the possible kernel regressions recommends.
> > > > > 
> > > > > I'm not using an xorg.conf file in either Debian SID or
> > > > > Gentoo (I
> > > > > haven't needed to use an xorg.conf file since Debian 7.8 in
> > > > > Sparc64).
> > > > > 
> > > > > For now I'll be sticking with Gentoo for these particular
> > > > > kernel
> > > > > regression tests.