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.
