Bug ID 1179387
Summary Fubar X with Radeon AGP on Pentium III Coppermine
Classification openSUSE
Product openSUSE Tumbleweed
Version Current
Hardware 32bit
OS Other
Status NEW
Severity Major
Priority P5 - None
Component Kernel
Assignee kernel-bugs@opensuse.org
Reporter mrmazda@earthlink.net
QA Contact qa-bugs@suse.de
Found By ---
Blocker ---

Created attachment 843962 [details]
dmesg & journal tails beginning at each first radeon string; lscpu

Initial Summary:
Fubar X with Radeon AGP on Pentium III Coppermine

forum thread:
https://forums.opensuse.org/showthread.php/547620-Tumbleweed-DVD-i586-Snapshot20201123-graphical-mode-fail?p=2986110#post2986110

Just guessing that this is a kernel driver bug rather than an X bug, hence the
kernel component selected.

When the login manager tries to load, all that ultimately paints is the
background graphic. WINDOWMANAGER=/usr/bin/icewm startx produces a black screen
with mouse pointer. Xorg.0.log shows no apparent problem. No apparent
difference whether using kernel 5.9.10 or 5.8.15. Vttys work as expected.
Replacing the Radeon AGP rv250 ID: 1002:4c66 gfxcard with a Matrox G400 makes X
work entirely as expected.

# inxi -Ca
CPU:       Info: Single Core model: Pentium III (Coppermine) socket: Slot-1
bits: 32 type: MCP arch: P6 III Coppermine 
           family: 6 model-id: 8 stepping: 1 microcode: D L1 cache: 16 KiB L2
cache: 256 KiB 
           flags: pae sse bogomips: 1403 
           Speed: 702 MHz min/max: N/A base/boost: 700/850 volts: 3.3 V
ext-clock: 100 MHz Core speed (MHz): 1: 702 
           Vulnerabilities: Type: itlb_multihit status: KVM: VMX unsupported 
           Type: l1tf status: Vulnerable 
           Type: mds status: Vulnerable: Clear CPU buffers attempted, no
microcode; SMT disabled 
           Type: meltdown status: Vulnerable 
           Type: spec_store_bypass status: Vulnerable 
           Type: spectre_v1 mitigation: usercopy/swapgs barriers and __user
pointer sanitization 
           Type: spectre_v2 mitigation: Full generic retpoline, STIBP:
disabled, RSB filling 
           Type: srbds status: Not affected 
           Type: tsx_async_abort status: Not affected 
# inxi -GISMy
System:
  Host: s2846 Kernel: 5.8.15-1-default i686 bits: 32 Console: tty 3 
  Distro: openSUSE Tumbleweed 20201127 
Machine:
  Type: Desktop Mobo: Tyan model: Intel 440BX/GX v: Rev. 4 serial: 00000000 
  BIOS: American Megatrends v: 063101 date: 07/15/99 
Graphics:
  Device-1: AMD RV250/M9 GL [Mobility FireGL 9000/Radeon 9000] driver: radeon
v: kernel 
  Display: server: X.org 1.20.9 driver: ati,radeon 
  unloaded: fbdev,modesetting,vesa tty: 180x56 
  Message: Advanced graphics data unavailable in console for root. 
Info:...Shell: Bash inxi: 3.1.09


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