Comment # 68 on bug 1222156 from Togan Muftuoglu

(In reply to Stefan Dirsch from comment #62)
> (In reply to Togan Muftuoglu from comment #61)
> > (In reply to Stefan Dirsch from comment #60)
> > > Hmm. Seems with newer kernels. Both SI and CIK support has been disabled in
> > > amdgpu driver?
> > > 
> > > tw:/how/tux # uname -r
> > > 6.7.9-1-default
> > > tw:/home/tux # modinfo radeon|grep -e si_support -e cik_support
> > > parm:           si_support:SI support (1 = enabled (default), 0 = disabled)
> > > (int)
> > > parm:           cik_support:CIK support (1 = enabled (default), 0 =
> > > disabled) (int)
> > > tw:/home/tux # modinfo amdgpu|grep -e si_support -e cik_support
> > > parm:           si_support:SI support (1 = enabled, 0 = disabled (default))
> > > (int)
> > > parm:           cik_support:CIK support (1 = enabled, 0 = disabled
> > > (default)) (int)
> > > 
> > > I thought radeon would support SI by default and disable CIK by default,
> > > whereas amdgpu would disable SI by default and enable CIK by default.
> > > Apparently I'm totally wrong.
> > 
> > But isn't this one part of the puzzle, don't we need to find the cultprit in
> > Mesa as well. Or does kernel 6.7.8 with  Mesa 24.0.3 work?
> 
> That was claimed yes. See comment#26 and comment#55

Well in my case it doesn't even work in 6.7.7 kernel with Mesa 24.0.3 I still
need to add the radeon.si_support=0 amdgpu.si_support=1 even to 6.7.7 kernel
version

[Mon Apr 22 09:04:23 2024] QSGRenderThread[1969]: segfault at 40 ip
00007f1b6932ba1d sp 00007f1b2a9fd9d0 error 4 in
radeonsi_dri.so[7f1b68c91000+1477000] likely on CPU 5 (core 1, socket 0)
[Mon Apr 22 09:04:23 2024] Code: 8b 6f 30 85 ed 0f 84 e5 00 00 00 31 db 49 89
e5 eb 34 0f 1f 00 4d 03 77 38 49 8b 36 48 85 f6 74 0e f0 83 2e 01 75 08 4c 89
e7 <41> ff 54 24 40 49 c7 06 00 00 00 00 41 8b 57 30 48 83 c3 01 39 d3

System:
Kernel: 6.7.7-1-default arch: x86_64 bits: 64 compiler: gcc v: 13.2.1
clocksource: tsc
avail: hpet,acpi_pm parameters: BOOT_IMAGE=/boot/vmlinuz-6.7.7-1-default
root=UUID=f5f5c2e6-78db-42c1-af58-d73dc71f58ef splash=silent
resume=/dev/disk/by-uuid/9400120e-afe4-47a1-b9e7-583e36c49aef quiet
security=apparmor
mitigations=auto
Console: tty 3 DM: SDDM Distro: openSUSE Tumbleweed 20240418
Graphics:
Device-1: AMD Tahiti PRO [Radeon HD 7950/8950 OEM / R9 280] vendor: ASUSTeK
driver: radeon
v: kernel alternate: amdgpu arch: GCN-1 code: Southern Islands process: TSMC
28nm built: 2011-20
pcie: gen: 3 speed: 8 GT/s lanes: 8 link-max: lanes: 16 ports: active:
DP-1,HDMI-A-1
empty: DVI-D-1,DVI-I-1 bus-ID: 01:00.0 chip-ID: 1002:679a class-ID: 0300 temp:
48.0 C
Display: server: X.org v: 1.21.1.12 with: Xwayland v: 23.2.6 driver: X: loaded:
radeon
unloaded: fbdev,modesetting,vesa dri: radeonsi gpu: radeon tty: 240x67
Monitor-1: DP-1 model: EIZO NANAO CX241 serial: <filter> built: 2014 res:
1920x1200 dpi: 94
gamma: 1.2 size: 519x324mm (20.43x12.76") diag: 616mm (24.2") ratio: 16:10
modes: max: 1920x1200
min: 720x400
Monitor-2: HDMI-A-1 model: Idek Iiyama PL2292H serial: <filter> built: 2019
res: 1920x1080
dpi: 102 gamma: 1.2 size: 476x268mm (18.74x10.55") diag: 546mm (21.5") ratio:
16:9 modes:
max: 1920x1080 min: 720x400
API: EGL v: 1.5 hw: drv: amd radeonsi platforms: device: 0 drv: radeonsi
device: 1 drv: swrast
gbm: drv: radeonsi surfaceless: drv: radeonsi inactive: wayland,x11
API: OpenGL v: 4.5 vendor: mesa v: 24.0.3 note: console (EGL sourced) renderer:
TAHITI
(radeonsi LLVM 18.1.3 DRM 2.50 6.7.7-1-default), llvmpipe (LLVM 18.1.3 256
bits)
API: Vulkan Message: No Vulkan data available.