Bus Error/ Crash in OsLookupColor (1.20.5)
Trace below. On Ubuntu 19.04.
Full log attached. Xorg.0.log.old Glxinfo attached.glxinfo.txt
Happening regularly. Intel (laptop display and displayport) and USB-C DP. All at 4k.
[ 1234.521] (EE)
[ 1234.521] (EE) Backtrace:
[ 1234.521] (EE) 0: /usr/lib/xorg/Xorg (OsLookupColor+0x13c) [0x555dac65cacc]
[ 1234.522] (EE) 1: /lib/x86_64-linux-gnu/libpthread.so.0 (funlockfile+0x60) [0x7fbf0a70a59f]
[ 1234.522] (EE) unw_get_proc_name failed: no unwind info found [-10]
[ 1234.522] (EE) 2: /usr/lib/xorg/modules/drivers/modesetting_drv.so (?+0x0) [0x7fbf0b0550d0]
[ 1234.522] (EE) 3: /usr/lib/xorg/Xorg (xf86DetachAllCrtc+0x9b0) [0x555dac571c70]
[ 1234.522] (EE) 4: /usr/lib/xorg/Xorg (xf86DestroyCursorInfoRec+0xa68) [0x555dac57d088]
[ 1234.523] (EE) 5: /usr/lib/xorg/Xorg (xf86DestroyCursorInfoRec+0xe89) [0x555dac57d969]
[ 1234.523] (EE) 6: /usr/lib/xorg/Xorg (RamDacHandleColormaps+0x765) [0x555dac57ba25]
[ 1234.523] (EE) 7: /usr/lib/xorg/Xorg (miPointerUpdateSprite+0x1e6) [0x555dac6451c6]
[ 1234.523] (EE) 8: /usr/lib/xorg/Xorg (miPointerUpdateSprite+0x4e6) [0x555dac645916]
[ 1234.523] (EE) 9: /usr/lib/xorg/Xorg (compIsAlternateVisual+0x26ac) [0x555dac58c19c]
[ 1234.523] (EE) 10: /usr/lib/xorg/Xorg (AddTraps+0x60be) [0x555dac5daa8e]
[ 1234.523] (EE) 11: /usr/lib/xorg/Xorg (ConfineToShape+0x9aa) [0x555dac50580a]
[ 1234.523] (EE) 12: /usr/lib/xorg/Xorg (WindowHasNewCursor+0x3f) [0x555dac50638f]
[ 1234.523] (EE) 13: /usr/lib/xorg/Xorg (ChangeWindowAttributes+0xd0d) [0x555dac529f8d]
[ 1234.524] (EE) 14: /usr/lib/xorg/Xorg (ProcBadRequest+0x223) [0x555dac4f5ab3]
[ 1234.524] (EE) 15: /usr/lib/xorg/Xorg (SendErrorToClient+0x354) [0x555dac4fbf44]
[ 1234.524] (EE) 16: /usr/lib/xorg/Xorg (InitFonts+0x3b4) [0x555dac4fffd4]
[ 1234.524] (EE) 17: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf3) [0x7fbf0a5291e3]
[ 1234.524] (EE) 18: /usr/lib/xorg/Xorg (_start+0x2e) [0x555dac4e9a1e]
[ 1234.524] (EE)
[ 1234.524] (EE) Bus error at address 0x7fbf08176000
[ 1234.524] (EE)
Fatal server error:
[ 1234.524] (EE) Caught signal 7 (Bus error). Server aborting
[ 1234.524] (EE)
[ 1234.525] (EE)