Hi, I have updated my Linux Debian SID today. The issue isn't yet fixed.
$ optirun glxinfo | grep -E "OpenGL renderer|direct rendering" $ glxinfo | grep -E "OpenGL renderer|direct rendering" direct rendering: Yes OpenGL renderer string: Mesa Intel(R) HD Graphics 4600 (HSW GT2) déc. 18 13:44:40 Dahlia kernel: bbswitch: enabling discrete graphics déc. 18 13:44:41 Dahlia kernel: nvidia-nvlink: Nvlink Core is being initialized, major device number 241 déc. 18 13:44:41 Dahlia kernel: NVRM: loading NVIDIA UNIX x86_64 Kernel Module 510.108.03 Thu Oct 20 05:10:45 UTC 2022 déc. 18 13:44:41 Dahlia kernel: nvidia-modeset: Loading NVIDIA Kernel Mode Setting Driver for UNIX platforms 510.108.03 Thu Oct 20 05:00:22 UTC 2022 déc. 18 13:44:41 Dahlia kernel: [drm] [nvidia-drm] [GPU ID 0x00000100] Loading driver déc. 18 13:44:41 Dahlia kernel: [drm] Initialized nvidia-drm 0.0.0 20160202 for 0000:01:00.0 on minor 1 déc. 18 13:44:42 Dahlia kernel: glxinfo[14112]: segfault at 0 ip 00007f74afbc9d13 sp 00007ffdeab92500 error 4 in libGL.so.1[7f74afbb7000+19000] déc. 18 13:44:42 Dahlia kernel: Code: 48 89 d3 48 83 ec 28 64 48 8b 04 25 28 00 00 00 48 89 44 24 18 31 c0 e8 6b d9 fe ff 45 89 e0 48 89 d9 ba 14 80 00 00 48 89 c5 <48> 8b 30 48 8b 3d 4b b4 01 00 ff 15 65 b4 01 00 48 8b 6d 00 48 89 déc. 18 13:44:42 Dahlia kernel: [drm] [nvidia-drm] [GPU ID 0x00000100] Unloading driver déc. 18 13:44:42 Dahlia kernel: nvidia-modeset: Unloading déc. 18 13:44:42 Dahlia kernel: nvidia-nvlink: Unregistered the Nvlink Core, major device number 241 déc. 18 13:44:42 Dahlia kernel: bbswitch: disabling discrete graphics Then: $ apt-get install systemd-coredump $ optirun glxgears -info $ journalctl -e déc. 18 13:48:29 Dahlia kernel: glxgears[14561]: segfault at 0 ip 00007f0394f5ad13 sp 00007fff8c732a70 error 4 in libGL.so.1[7f0394f48000+19000] déc. 18 13:48:29 Dahlia kernel: Code: 48 89 d3 48 83 ec 28 64 48 8b 04 25 28 00 00 00 48 89 44 24 18 31 c0 e8 6b d9 fe ff 45 89 e0 48 89 d9 ba 14 80 00 00 48 89 c5 <48> 8b 3> déc. 18 13:48:29 Dahlia systemd[1]: Started Process Core Dump (PID 14563/UID 0). déc. 18 13:48:30 Dahlia systemd-coredump[14564]: [🡕] Process 14561 (glxgears) of user 1000 dumped core. Stack trace of thread 14561: #0 0x00007f0394f5ad13 glXCreateContext (libGL.so.1 + 0x25d13) #1 0x000055b6910297a1 n/a (glxgears.x86_64-linux-gnu + 0x37a1) #2 0x000055b691028591 n/a (glxgears.x86_64-linux-gnu + 0x2591) #3 0x00007f0394b5a18a __libc_start_call_main (libc.so.6 + 0x2718a) #4 0x00007f0394b5a245 __libc_start_main_impl (libc.so.6 + 0x27245) #5 0x000055b69102915a n/a (glxgears.x86_64-linux-gnu + 0x315a) Stack trace of thread 14562: #0 0x00007f0394bb8d36 __futex_abstimed_wait_common64 (libc.so.6 + 0x85d36) #1 0x00007f0394bbb3f8 __pthread_cond_wait_common (libc.so.6 + 0x883f8) #2 0x00007f039210bff9 n/a (crocus_dri.so + 0x10bff9) #3 0x00007f03920be11b n/a (crocus_dri.so + 0xbe11b) #4 0x00007f039210bf37 n/a (crocus_dri.so + 0x10bf37) #5 0x00007f0394bbbfd4 start_thread (libc.so.6 + 0x88fd4) #6 0x00007f0394c3c66c __clone3 (libc.so.6 + 0x10966c) ELF object binary architecture: AMD x86-64 déc. 18 13:48:30 Dahlia systemd[1]: systemd-coredump@1-14563-0.service: Deactivated successfully. déc. 18 13:48:30 Dahlia kernel: [drm] [nvidia-drm] [GPU ID 0x00000100] Unloading driver déc. 18 13:48:30 Dahlia kernel: nvidia-modeset: Unloading Le samedi 10 décembre 2022 à 16:47 +0100, Bernhard Übelacker a écrit : > Dear Maintainer, hello Nicolas, > tried to collect some more information from the two > given kernel lines [1]. > > I could find given the byte sequence in a similar two-GPU-equipped > laptop attaching to a runnig "optirun glxgears". > > The "libGL.so.1" is the one from package primus-libs. > There it leads to the function glXCreateContext, libglfork.cpp line > 609. > > Unfortunately I cannot reproduce the issue on my side > with "i5-4210U/Intel HD Graphics 4400" and nvidia GF117M. > > Looking through a few primus upstream bug reports I > arrived at one stating that both GPU accelerations have to > be in a working state. > Nicolas, maybe because of the updates your system fell back > to software rendering instead of the Intel graphics? > What do following commands give at your system? > glxinfo | grep -E "OpenGL renderer|direct rendering" > optirun glxinfo | grep -E "OpenGL renderer|direct rendering" > > Otherwise you could also install a package systemd-coredump. > Then you should see a more complete backtrace in "journalctl -e" > after the crash happened. > > Kind regards, > Bernhard > > > [1] > [ 191.398476] glxgears[3650]: segfault at 0 ip 00007f98c763cd13 > sp 00007fffab17b3f0 error 4 in libGL.so.1[7f98c762a000+19000] > [ 191.398485] Code: 48 89 d3 48 83 ec 28 64 48 8b 04 25 28 00 > 00 00 48 89 44 24 18 31 c0 e8 6b d9 fe ff 45 89 e0 48 89 d9 ba 14 80 > 00 00 48 89 c5 <48> 8b 30 48 8b 3d 4b b4 01 00 ff 15 65 b4 01 00 48 > 8b 6d 00 48 89 > > > [2] > https://wiki.debian.org/InterpretingKernelOutputAtProcessCrash > > error 4: > 0: no page found > 0: read access > 1: user-mode access > > $ gdb -q --pid $(pidof glxgears) > > (gdb) pipe info share | grep "libGL\." > 0x00007f54f3232510 0x00007f54f324a0b7 Yes (*) > /usr/lib/x86_64-linux-gnu/primus/libGL.so.1 > 0x00007f54f2d1a100 0x00007f54f2d1cb79 Yes (*) > /usr/lib/x86_64-linux-gnu/libGL.so.1 > > benutzer@asus-x555ld:~$ ls -lisah /usr/lib/x86_64-linux- > gnu/primus/libGL.so.1 > 2491553 260K -rw-r--r-- 1 root root 259K 3. Apr 2022 > /usr/lib/x86_64-linux-gnu/primus/libGL.so.1 > benutzer@asus-x555ld:~$ dpkg -S /usr/lib/x86_64-linux- > gnu/primus/libGL.so.1 > primus-libs:amd64: /usr/lib/x86_64-linux-gnu/primus/libGL.so.1 > > (gdb) find /b 0x00007f54f3232510, 0x00007f54f324a0b7, 0x48, > 0x89, 0xd3, 0x48, 0x83, 0xec, 0x28, 0x64, 0x48, 0x8b, 0x04, 0x25, > 0x28, 0x00, 0x00, 0x00, 0x48, 0x89, 0x44, 0x24, 0x18, 0x31, 0xc0, > 0xe8, 0x6b, 0xd9, 0xfe, 0xff, 0x45, 0x89, 0xe0, 0x48, 0x89, 0xd9, > 0xba, 0x14, 0x80, 0x00, 0x00, 0x48, 0x89, 0xc5, 0x48, 0x8b, 0x30, > 0x48, 0x8b, 0x3d, 0x4b, 0xb4, 0x01, 0x00, 0xff, 0x15, 0x65, 0xb4, > 0x01, 0x00, 0x48, 0x8b, 0x6d, 0x00, 0x48, 0x89 > 0x7f54f3244ce9 <glXCreateContext+9> > 1 pattern found. > (gdb) find /b 0x00007f54f2d1a100, 0x00007f54f2d1cb79, 0x48, > 0x89, 0xd3, 0x48, 0x83, 0xec, 0x28, 0x64, 0x48, 0x8b, 0x04, 0x25, > 0x28, 0x00, 0x00, 0x00, 0x48, 0x89, 0x44, 0x24, 0x18, 0x31, 0xc0, > 0xe8, 0x6b, 0xd9, 0xfe, 0xff, 0x45, 0x89, 0xe0, 0x48, 0x89, 0xd9, > 0xba, 0x14, 0x80, 0x00, 0x00, 0x48, 0x89, 0xc5, 0x48, 0x8b, 0x30, > 0x48, 0x8b, 0x3d, 0x4b, 0xb4, 0x01, 0x00, 0xff, 0x15, 0x65, 0xb4, > 0x01, 0x00, 0x48, 0x8b, 0x6d, 0x00, 0x48, 0x89 > Pattern not found. > > (gdb) b * (0x7f54f3244ce9 + 42) > Breakpoint 1 at 0x7f54f3244d13 > (gdb) info b > Num Type Disp Enb Address What > 1 breakpoint keep y 0x00007f54f3244d13 > <glXCreateContext+51> > > apt install primus-libs-dbgsym > primus-libs-dbgsym:amd64 (0~20150328-14) wird eingerichtet ... > > (gdb) noshare > (gdb) pipe sharedlibrary | grep 123 > > (gdb) info b > Num Type Disp Enb Address What > 1 breakpoint keep y 0x00007f54f3244d13 in > glXCreateContext(Display*, XVisualInfo*, GLXContext, int) at > ./libglfork.cpp:609 > > (gdb) disassemble /r 0x7f54f3244ce9, 0x7f54f3244ce9 + 62 > Dump of assembler code from 0x7f54f3244ce9 to 0x7f54f3244d27: > 0x00007f54f3244ce9 <glXCreateContext(Display*, XVisualInfo*, > GLXContext, int)+9>: 48 89 d3 mov > %rdx,%rbx > 0x00007f54f3244cec <glXCreateContext(Display*, XVisualInfo*, > GLXContext, int)+12>: 48 83 ec 28 sub > $0x28,%rsp > 0x00007f54f3244cf0 <glXCreateContext(Display*, XVisualInfo*, > GLXContext, int)+16>: 64 48 8b 04 25 28 00 00 00 mov > %fs:0x28,%rax > 0x00007f54f3244cf9 <glXCreateContext(Display*, XVisualInfo*, > GLXContext, int)+25>: 48 89 44 24 18 mov > %rax,0x18(%rsp) > 0x00007f54f3244cfe <glXCreateContext(Display*, XVisualInfo*, > GLXContext, int)+30>: 31 c0 xor > %eax,%eax > 0x00007f54f3244d00 <glXCreateContext(Display*, XVisualInfo*, > GLXContext, int)+32>: e8 6b d9 fe ff call > 0x7f54f3232670 <match_fbconfig(Display*, XVisualInfo*)> > 0x00007f54f3244d05 <glXCreateContext(Display*, XVisualInfo*, > GLXContext, int)+37>: 45 89 e0 mov > %r12d,%r8d > 0x00007f54f3244d08 <glXCreateContext(Display*, XVisualInfo*, > GLXContext, int)+40>: 48 89 d9 mov > %rbx,%rcx > 0x00007f54f3244d0b <glXCreateContext(Display*, XVisualInfo*, > GLXContext, int)+43>: ba 14 80 00 00 mov > $0x8014,%edx > 0x00007f54f3244d10 <glXCreateContext(Display*, XVisualInfo*, > GLXContext, int)+48>: 48 89 c5 mov > %rax,%rbp > >>>0x00007f54f3244d13 <glXCreateContext(Display*, XVisualInfo*, > GLXContext, int)+51>: 48 8b 30 mov > (%rax),%rsi > 0x00007f54f3244d16 <glXCreateContext(Display*, XVisualInfo*, > GLXContext, int)+54>: 48 8b 3d 4b b4 01 00 mov > 0x1b44b(%rip),%rdi # 0x7f54f3260168 <_ZL6primus+40> > 0x00007f54f3244d1d <glXCreateContext(Display*, XVisualInfo*, > GLXContext, int)+61>: ff 15 65 b4 01 00 call > *0x1b465(%rip) # 0x7f54f3260188 <_ZL6primus+72> > 0x00007f54f3244d23 <glXCreateContext(Display*, XVisualInfo*, > GLXContext, int)+67>: 48 8b 6d 00 mov > 0x0(%rbp),%rbp > End of assembler dump. > > > https://sources.debian.org/src/primus/0~20150328-14/libglfork.cpp/#L609 > > 606 GLXContext glXCreateContext(Display *dpy, XVisualInfo *vis, > GLXContext shareList, Bool direct) > 607 { > 608 GLXFBConfig *acfgs = match_fbconfig(dpy, vis); > 609 GLXContext actx = > primus.afns.glXCreateNewContext(primus.adpy, *acfgs, GLX_RGBA_TYPE, > shareList, direct); > 610 primus.contexts.record(actx, *acfgs, shareList); > 611 return actx; > 612 } > > > [3] > https://github.com/amonakov/primus/issues > https://github.com/amonakov/primus/issues/118 >