Not seeing any error messages on the serial console. I'm seeing a two-line error message flashing briefly on the blank screen. Something about lp0 using parport0 - interrupt driven
Here is something that appears in Xorg.0.log: .... [ 7252.851] (==) ModulePath set to "/usr/lib/xorg/modules" [ 7252.852] (II) The server relies on udev to provide the list of input devices. If no devices become available, reconfigure udev or disable AutoAddDevices. [ 7252.852] (II) Loader magic: 0x10000332b50 [ 7252.852] (II) Module ABI versions: [ 7252.852] X.Org ANSI C Emulation: 0.4 [ 7252.853] X.Org Video Driver: 23.0 [ 7252.853] X.Org XInput driver : 24.1 [ 7252.853] X.Org Server Extension : 10.0 [ 7252.863] (++) using VT number 7 [ 7252.863] (II) systemd-logind: logind integration requires -keeptty and -keeptty was not provided, disabling logind integration [ 7252.870] (--) SBUS:(0xf0074964) Sun Turbo GX Plus at /sbus@1f,0/cgsix@0,0 [ 7252.874] (II) no primary bus or device found [ 7252.874] (II) LoadModule: "glx" [ 7252.877] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so [ 7252.919] (II) Module glx: vendor="X.Org Foundation" [ 7252.919] compiled for 1.19.3, module version = 1.0.0 [ 7252.919] ABI class: X.Org Server Extension, version 10.0 [ 7252.921] (==) Matched suncg6 as autoconfigured driver 0 [ 7252.922] (==) Matched modesetting as autoconfigured driver 1 [ 7252.922] (==) Matched fbdev as autoconfigured driver 2 [ 7252.922] (==) Matched sunffb as autoconfigured driver 3 [ 7252.922] (==) Assigned the driver to the xf86ConfigLayout [ 7252.922] (II) LoadModule: "suncg6" [ 7252.925] (WW) Warning, couldn't open module suncg6 [ 7252.925] II) UnloadModule: "suncg6" [ 7252.925] (II) Unloading suncg6 [ 7252.926] (EE) Failed to load module "suncg6" (module does not exist, 0) [ 7252.926] (II) LoadModule: "modesetting" [ 7252.927] (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so [ 7252.929] (II) Module modesetting: vendor="X.Org Foundation" [ 7252.929] compiled for 1.19.3, module version = 1.19.3 [ 7252.930] Module class: X.Org Video Driver [ 7252.930] ABI class: X.Org Video Driver, version 23.0 [ 7252.930] (II) LoadModule: "fbdev" [ 7252.931] (II) Loading /usr/lib/xorg/modules/drivers/fbdev_drv.so [ 7252.932] (II) Module fbdev: vendor="X.Org Foundation" [ 7252.933] compiled for 1.19.0, module version = 0.4.4 [ 7252.933] Module class: X.Org Video Driver [ 7252.933] ABI class: X.Org Video Driver, version 23.0 [ 7252.933] (II) LoadModule: "sunffb" [ 7252.936] (WW) Warning, couldn't open module sunffb [ 7252.936] (II) UnloadModule: "sunffb" [ 7252.936] (II) Unloading sunffb [ 7252.937] (EE) Failed to load module "sunffb" (module does not exist, 0) [ 7252.937] (II) modesetting: Driver for Modesetting Kernel Drivers: kms [ 7252.937] (II) FBDEV: driver for framebuffer: fbdev [ 7252.939] (WW) Falling back to old probe method for modesetting [ 7252.939] (EE) open /dev/dri/card0: No such file or directory [ 7252.940] (WW) Falling back to old probe method for fbdev [ 7252.940] (II) Loading sub module "fbdevhw" [ 7252.940] (II) LoadModule: "fbdevhw" [ 7252.942] (II) Loading /usr/lib/xorg/modules/libfbdevhw.so [ 7252.943] (II) Module fbdevhw: vendor="X.Org Foundation" [ 7252.944] compiled for 1.19.3, module version = 0.0.2 [ 7252.944] ABI class: X.Org Video Driver, version 23.0 [ 7252.945] (II) FBDEV(0): using default device [ 7252.946] (II) FBDEV(0): Creating default Display subsection in Screen section "Default Screen Section" for depth/fbbpp 8/8 [ 7252.947] (==) FBDEV(0): Depth 8, (==) framebuffer bpp 8 [ 7252.947] (==) FBDEV(0): Default visual is PseudoColor [ 7252.947] (==) FBDEV(0): Using gamma correction (1.0, 1.0, 1.0) [ 7252.948] (II) FBDEV(0): hardware: TGX+ sparc (video memory: 3072kB) [ 7252.948] (II) FBDEV(0): checking modes against framebuffer device... [ 7252.948] (II) FBDEV(0): checking modes against monitor... [ 7252.949] (--) FBDEV(0): Virtual size is 1024x768 (pitch 1024) [ 7252.949] (**) FBDEV(0): Built-in mode "current" [ 7252.949] (==) FBDEV(0): DPI set to (96, 96) [ 7252.950] (II) Loading sub module "fb" [ 7252.950] (II) LoadModule: "fb" [ 7252.951] (II) Loading /usr/lib/xorg/modules/libfb.so [ 7252.953] (II) Module fb: vendor="X.Org Foundation" [ 7252.954] compiled for 1.19.3, module version = 1.0.0 [ 7252.954] ABI class: X.Org ANSI C Emulation, version 0.4 [ 7252.954] (**) FBDEV(0): using shadow framebuffer [ 7252.954] (II) Loading sub module "shadow" [ 7252.955] (II) LoadModule: "shadow" [ 7252.956] (II) Loading /usr/lib/xorg/modules/libshadow.so [ 7252.958] (II) Module shadow: vendor="X.Org Foundation" [ 7252.958] compiled for 1.19.3, module version = 1.1.0 [ 7252.958] ABI class: X.Org ANSI C Emulation, version 0.4 [ 7252.959] (II) UnloadModule: "modesetting" [ 7252.959] (II) Unloading modesetting [ 7252.962] (==) FBDEV(0): Backing store enabled [ 7252.966] (==) FBDEV(0): DPMS enabled [ 7252.967] (==) RandR enabled [ 7255.720] (II) SELinux: Disabled on system [ 7255.730] (II) AIGLX: Screen 0 is not DRI2 capable [ 7255.731] (EE) AIGLX: reverting to software rendering [ 7255.933] (II) IGLX: enabled GLX_MESA_copy_sub_buffer [ 7255.936] (II) IGLX: Loaded and initialized swrast [ 7255.936] (II) GLX: Initialized DRISWRAST GL provider for screen 0 .... -----Original Message----- From: John Paul Adrian Glaubitz [mailto:glaub...@physik.fu-berlin.de] Sent: Wednesday, June 21, 2017 11:45 AM To: Tom Demler Cc: debian-sparc@lists.debian.org Subject: Re: How to recover from blank screen on sparc64 On Wed, Jun 21, 2017 at 11:39:44AM -0400, Tom Demler wrote: > It's probably the same situation that occurred when I tried to do the > install from the cdrom: it appeared to boot from the cdrom but then > the screen went black. That's what's happening now. The problem during > install seemed to be resolved but after installing packages for a > desktop the problem is back. Are you seeing any error messages on the serial console? Have you checked /var/log/Xorg.0.log? > I used the serial console and aptitude to install some hardware > discovery utilities. Running hwinfo --gfxcard shows the graphics card > to be "Sun Microsystems Sun|Turbo GX Plus (cgsix)". Config status is > "cfg=new, avail=yes, need=no, active=unknown" There seems to be related discussion [1]. Adrian > [1] https://lists.debian.org/debian-sparc/1999/02/msg00055.html -- .''`. John Paul Adrian Glaubitz : :' : Debian Developer - glaub...@debian.org `. `' Freie Universitaet Berlin - glaub...@physik.fu-berlin.de `- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913