xsrc/50429: Xserver fails to start on Ultra-5 and NetBSD/sparc64 7.0

[Izumi Tsutsui <tsutsui%ceres.dti.ne.jp@localhost>]

>Number:         50429
>Category:       xsrc
>Synopsis:       Xserver fails to start on Ultra-5 and NetBSD/sparc64 7.0
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    xsrc-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Nov 15 05:35:00 +0000 2015
>Originator:     Izumi Tsutsui
>Release:        NetBSD 7.0
>Organization:
>Environment:
System: NetBSD eterna 7.0 NetBSD 7.0 (GENERIC.201509250726Z) sparc64
Architecture: sparc64
Machine: sparc64
>Description:
Xorg server doesn't start on NetBSD/sparc64 7.0 installation
(no /etc/X11/xorg.conf settings) with the following log:

---
[   295.723] 
X.Org X Server 1.10.6
Release Date: 2011-07-08
[   295.725] X Protocol Version 11, Revision 0
[   295.725] Build Operating System: NetBSD/sparc64  - 
[   295.725] Current Operating System: NetBSD eterna 7.0 NetBSD 7.0 (GENERIC.201509250726Z) sparc64
[   295.729] Build Date: 01 August 2011  01:01:00AM
[   295.729]  
[   295.729] Current version of pixman: 0.32.6
[   295.729]    Before reporting problems, check http://wiki.X.Org
        to make sure that you have the latest version.
[   295.730] Markers: (--) probed, (**) from config file, (==) default setting,
        (++) from command line, (!!) notice, (II) informational,
        (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[   295.731] (==) Log file: "/var/log/Xorg.0.log", Time: Sun Nov 15 14:13:27 2015
[   295.776] (II) Loader magic: 0x45f4a0
[   295.776] (II) Module ABI versions:
[   295.777]    X.Org ANSI C Emulation: 0.4
[   295.777]    X.Org Video Driver: 10.0
[   295.777]    X.Org XInput driver : 12.2
[   295.777]    X.Org Server Extension : 5.0
[   296.972] (--) PCI:*(1:1:2:0) 1002:4754:0000:0000 rev 154, Mem @ 0xe1000000/16777216, 0x00000000/4096, I/O @ 0x00000000/256, BIOS @ 0x????????/131072
[   297.053] (EE) listPossibleVideoDrivers: trying /dev/fb0
[   297.053] (EE) listPossibleVideoDrivers: trying /dev/fb1
[   297.054] (EE) listPossibleVideoDrivers: trying /dev/fb2
[   297.054] (EE) listPossibleVideoDrivers: trying /dev/fb3
[   297.054] (EE) listPossibleVideoDrivers: trying /dev/fb4
[   297.055] (EE) listPossibleVideoDrivers: trying /dev/fb5
[   297.055] (EE) listPossibleVideoDrivers: trying /dev/fb6
[   297.055] (EE) listPossibleVideoDrivers: trying /dev/fb7
[   297.056] (EE) listPossibleVideoDrivers: trying /dev/fb8
[   297.056] (EE) listPossibleVideoDrivers: trying /dev/fb9
[   297.058] (==) Using default built-in configuration (12 lines)

 :

[   297.840] (II) LoadModule: "kbd"
[   297.848] (II) Loading /usr/X11R7/lib/modules/drivers/kbd_drv.so
[   297.856] (II) Module kbd: vendor="X.Org Foundation"
[   297.857]    compiled for 1.10.6, module version = 1.8.0
[   297.857]    Module class: X.Org XInput Driver
[   297.857]    ABI class: X.Org XInput driver, version 12.2
[   297.858] (II) MACH64: Driver for ATI Mach64 chipsets
[   297.859] (--) Using wscons driver on /dev/ttyE1 in pcvt compatibility mode (version 3.32)
[   297.859] (--) using VT number 2
[   297.870] (II) Loading /usr/X11R7/lib/modules/drivers/mach64_drv.so
[   297.871] (WW) VGA arbiter: cannot open kernel arbiter, no multi-card support
[   297.881] (II) MACH64(0): Creating default Display subsection in Screen section
        "Builtin Default ati Screen 0" for depth/fbbpp 24/32
[   297.882] (==) MACH64(0): Depth 24, (--) framebuffer bpp 32
[   297.883] (==) MACH64(0): Using XAA acceleration architecture
[   297.885] (EE) Unable to map mmio aperture. Invalid argument (22)
[   297.887] (EE) Unable to map mmio aperture. Invalid argument (22)
[   297.887] (WW) MACH64: Mach64 in slot 1:2:0 could not be detected!
[   297.908] (II) UnloadModule: "mach64"
[   297.909] (II) Unloading mach64
[   297.909] (EE) Screen(s) found, but none have a usable configuration.
[   297.910] 
Fatal server error:
[   297.910] no screens found
[   297.910] 
Please consult the The X.Org Foundation support 
         at http://wiki.X.Org
 for help. 
[   297.910] Please also check the log file at "/var/log/Xorg.0.log" for additional information.
[   297.911] 
---

XAA is obsolete in current Xorg version?

>How-To-Repeat:
install NetBSD/sparc64 7.0 Ultra-5 (maybe and Ultra-10)
xinit

>Fix:
Using wsfb driver works around (though it's 8 bit colors by default)