Hi,
Exactly same problem here (bullseye uptodate).
Debian bumblebee wiki page (and other searches on the net) didn't help
More info :
$ systemctl status bumblebeed.service
bumblebeed.service - Bumblebee C Daemon
Loaded: loaded (/lib/systemd/system/bumblebeed.service; enabled;
vendor preset: enabled)
Active: active (running) since Fri 2019-09-06 10:50:41 CEST; 6min ago
Main PID: 947 (bumblebeed)
Tasks: 1 (limit: 4915)
Memory: 24.7M
CGroup: /system.slice/bumblebeed.service
└─947 /usr/sbin/bumblebeed
sept. 06 10:55:39 ldlc bumblebeed[947]: [ 312.419291] [ERROR][XORG] (EE)
sept. 06 10:55:39 ldlc bumblebeed[947]: [ 312.419293] [ERROR][XORG]
(EE) Segmentation fault at address 0x7f3873afa000
sept. 06 10:55:39 ldlc bumblebeed[947]: [ 312.419296] [ERROR][XORG] (EE)
sept. 06 10:55:39 ldlc bumblebeed[947]: [ 312.419298] [ERROR][XORG]
(EE) Caught signal 11 (Segmentation fault). Server aborting
sept. 06 10:55:39 ldlc bumblebeed[947]: [ 312.419301] [ERROR][XORG] (EE)
sept. 06 10:55:39 ldlc bumblebeed[947]: [ 312.419304] [ERROR][XORG] (EE)
sept. 06 10:55:39 ldlc bumblebeed[947]: [ 312.419308] [ERROR][XORG]
(EE) Please also check the log file at "/var/log/Xorg.8.log" for additi
sept. 06 10:55:39 ldlc bumblebeed[947]: [ 312.419311] [ERROR][XORG] (EE)
sept. 06 10:55:39 ldlc bumblebeed[947]: [ 312.426969] [ERROR][XORG]
(EE) Server terminated with error (1). Closing log file.
sept. 06 10:55:39 ldlc bumblebeed[947]: [ 312.426997] [ERROR]X did not
start properly
$ cat /var/log/Xorg.8.log
[ 312.408] (II) Initializing extension GLX
[ 312.408] (II) Initializing extension GLX
[ 312.408] (II) Indirect GLX disabled.
[ 312.408] (II) GLX: Another vendor is already registered for screen 0
[ 312.408] (II) Initializing extension XFree86-VidModeExtension
[ 312.408] (II) Initializing extension XFree86-DGA
[ 312.408] (II) Initializing extension XFree86-DRI
[ 312.408] (II) Initializing extension DRI2
[ 312.408] (II) Initializing extension NV-GLX
[ 312.408] (II) Initializing extension NV-CONTROL
[ 312.415] (EE)
[ 312.415] (EE) Backtrace:
[ 312.418] (EE) 0: /usr/lib/xorg/Xorg (OsLookupColor+0x139)
[0x556f6ef4f2c9]
[ 312.418] (EE) 1: /lib/x86_64-linux-gnu/libpthread.so.0
(funlockfile+0x50) [0x7f387750377f]
[ 312.418] (EE) 2: /lib/x86_64-linux-gnu/libc.so.6 (memcpy+0x1f)
[0x7f38773d003f]
[ 312.418] (EE) 3:
/usr/lib/x86_64-linux-gnu/libnvidia-glcore.so.430.40
(_nv043glcore+0x27ff39) [0x7f3876003339]
[ 312.418] (EE) 4:
/usr/lib/x86_64-linux-gnu/libnvidia-glcore.so.430.40
(_nv043glcore+0x28009d) [0x7f387600365d]
[ 312.418] (EE) 5:
/usr/lib/x86_64-linux-gnu/libnvidia-glcore.so.430.40
(_nv015glcore+0x49bb8) [0x7f3875ab5ba8]
[ 312.418] (EE) unw_get_proc_name failed: no unwind info found [-10]
[ 312.419] (EE) 6: /usr/lib/nvidia/nvidia/libglxserver_nvidia.so
(?+0x0) [0x7f3873a00d32]
[ 312.419] (EE)
[ 312.419] (EE) Segmentation fault at address 0x7f3873afa000
[ 312.419] (EE)
Fatal server error:
[ 312.419] (EE) Caught signal 11 (Segmentation fault). Server aborting
[ 312.419] (EE)
[ 312.419] (EE)
Please consult the The X.Org Foundation support
at http://wiki.x.org
for help.
[ 312.419] (EE) Please also check the log file at
"/var/log/Xorg.8.log" for additional information.
[ 312.419] (EE)
[ 312.421] (EE) Server terminated with error (1). Closing log file.
Maybe a bug ?
Thanks !
--
Manu