Comment # 18 on bug 1193250 from Felix Miata

Created attachment 854809 [details]
Xorg.bin core dump

Simpledrm apparently breaks TDM. It takes startx to get an X session open.
"Cannot open master configuration file" in tdm.log seems to be noise, as it's
there also when TDM works, e.g. in 15.3.

# zypper se -si nel-def | grep 5.15.1
il | kernel-default | package | 5.15.11-5.1.g730a488 | x86_64 |
homeTiwaiSimpledrm
# inxi -SGayz
System:
Kernel: 5.15.11-5.g730a488-default x86_64 bits: 64 compiler: gcc v: 11.2.1
parameters: BOOT_IMAGE=/boot/vmlinuz root=LABEL=pi3p07stw noresume
ipv6.disable=1 net.ifnames=0 mitigations=auto 5
Console: pty pts/0 wm: kwin_x11 DM: TDM Distro: openSUSE Tumbleweed 20211224
Graphics:
Device-1: Intel HD Graphics 630 vendor: Gigabyte driver: i915 v: kernel
bus-ID: 00:02.0 chip-ID: 8086:5912 class-ID: 0300
Display: server: X.org 1.21.1.2 compositor: kwin_x11 driver:
loaded: modesetting unloaded: fbdev,vesa alternate: intel
Message: Advanced graphics data unavailable for root.
# dmesg | grep -i simple
[ 0.438182] [drm] Initialized simpledrm 1.0.0 20200625 for simple-framebuffer.0
on minor 0
[ 0.438950] simple-framebuffer simple-framebuffer.0: [drm]
drm_plane_enable_fb_damage_clips() not called
[ 0.443365] simple-framebuffer simple-framebuffer.0: [drm] fb0: simpledrmdrmfb
frame buffer device
# cat /var/log/tdm.log
Dec 26 10:21:12 tdm_config[810] info: Cannot open master configuration file
/etc/trinity/tdm/tdmdistrc

X.Org X Server 1.21.1.2
X Protocol Version 11, Revision 0
Current Operating System: Linux gb250 5.15.11-5.g730a488-default #1 SMP Thu Dec
23 06:47:43 UTC 2021 (730a488) x86_64
Kernel command line: BOOT_IMAGE=/boot/vmlinuz root=LABEL=pi3p07stw noresume
ipv6.disable=1 net.ifnames=0 mitigations=auto 5

Current version of pixman: 0.40.0
        Before reporting problems, check http://wiki.x.org
        to make sure that you have the latest version.
Markers: (--) probed, (**) from config file, (==) default setting,
        (++) from command line, (!!) notice, (II) informational,
        (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/Xorg.0.log", Time: Sun Dec 26 10:21:12 2021
(==) Using config directory: "/etc/X11/xorg.conf.d"
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
(EE)
(EE) Backtrace:
(EE) 0: /usr/bin/Xorg.bin (xorg_backtrace+0x85) [0x5600fa3e68e5]
(EE) 1: /usr/bin/Xorg.bin (0x5600fa210000+0x1d83e5) [0x5600fa3e83e5]
(EE) 2: /lib64/libc.so.6 (0x7fa60c4c1000+0x56430) [0x7fa60c517430]
(EE) 3: /lib64/libc.so.6 (0x7fa60c4c1000+0x19ce05) [0x7fa60c65de05]
(EE) 4: /usr/bin/Xorg.bin (0x5600fa210000+0xc61ef) [0x5600fa2d61ef]
(EE) 5: /usr/bin/Xorg.bin (0x5600fa210000+0xc71c5) [0x5600fa2d71c5]
(EE) 6: /usr/bin/Xorg.bin (0x5600fa210000+0xc72d8) [0x5600fa2d72d8]
(EE) 7: /usr/bin/Xorg.bin (0x5600fa210000+0x1db5e1) [0x5600fa3eb5e1]
(EE) 8: /usr/bin/Xorg.bin (WaitForSomething+0x1e0) [0x5600fa3e5290]
(EE) 9: /usr/bin/Xorg.bin (0x5600fa210000+0x4c3b9) [0x5600fa25c3b9]
(EE) 10: /lib64/libc.so.6 (0x7fa60c4c1000+0x405c0) [0x7fa60c5015c0]
(EE) 11: /lib64/libc.so.6 (__libc_start_main+0x7e) [0x7fa60c50167c]
(EE) 12: /usr/bin/Xorg.bin (_start+0x25) [0x5600fa25ce85]
(EE)
(EE) Segmentation fault at address 0x0
(EE)
Fatal server error:
(EE) Caught signal 11 (Segmentation fault). Server aborting
(EE)
(EE)
Please consult the The X.Org Foundation support
         at http://wiki.x.org
 for help.
(EE) Please also check the log file at "/var/log/Xorg.0.log" for additional
information.
(EE)
(II) AIGLX: Suspending AIGLX clients for VT switch
[tdekbdledsync] Unable to open X11 display!
(EE) Server terminated with error (1). Closing log file.
[2021/12/26 10:21:14.492] ERROR: cannot connect to X server
Dec 26 10:21:14 tdm: :0[1019] error: Abnormal termination of greeter for
display :0, code 1, signal 0
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