sixel_allocator_malloc: Assertion `allocator' failed.

[eadmaster]

On Ubuntu 22.04 i've manually downloaded the latest build from buildbot and some example games from here.

When i try to start the core i get this:

[INFO] [Config]: Loading config from: "/home/andy/.config/retroarch/config/lutro.cfg".
[WARN] [Input]: Key name "esc" not found.
[INFO] RetroArch 1.10.2 (Git )
[INFO] === Build =======================================
[INFO] CPU Model Name: Intel(R) Core(TM) i5-4200U CPU @ 1.60GHz
[INFO] Capabilities:  MMX MMXEXT SSE SSE2 SSE3 SSSE3 SSE4 SSE4.2 AES AVX AVX2
[INFO] Built: Apr  7 2022
[INFO] Version: 1.10.2
[INFO] Git: 
[INFO] =================================================
[INFO] [Input]: Found input driver: "x".
[INFO] [Core]: Loading dynamic libretro core from: "/home/andy/.config/retroarch/cores/lutro_libretro.so"
[INFO] [Environ]: SET_SUPPORT_NO_GAME: no.
[INFO] [Environ]: GET_VFS_INTERFACE. Core requested version >= V1, providing V3.
[INFO] [Overrides]: Redirecting save file to "/home/andy/.config/retroarch/saves/Pong.srm".
[INFO] [Overrides]: Redirecting save state to "/home/andy/.config/retroarch/states/Pong.state".
[INFO] [Environ]: GET_LOG_INTERFACE.
[INFO] [Environ]: GET_PERF_INTERFACE.
[INFO] [Content]: Content loading skipped. Implementation will load it on its own.
[INFO] [Environ]: SET_INPUT_DESCRIPTORS:
[INFO]    RetroPad, Port 1, Button "B (bottom)" => "B"
[INFO]    RetroPad, Port 1, Button "Y (left)" => "Y"
[INFO]    RetroPad, Port 1, Button "Select" => "Select"
[INFO]    RetroPad, Port 1, Button "Start" => "Start"
[INFO]    RetroPad, Port 1, Button "D-Pad Up" => "Up"
[INFO]    RetroPad, Port 1, Button "D-Pad Down" => "Down"
[INFO]    RetroPad, Port 1, Button "D-Pad Left" => "Left"
[INFO]    RetroPad, Port 1, Button "D-Pad Right" => "Right"
[INFO]    RetroPad, Port 1, Button "A (right)" => "A"
[INFO]    RetroPad, Port 1, Button "X (up)" => "X"
[INFO]    RetroPad, Port 1, Button "L" => "L1"
[INFO]    RetroPad, Port 1, Button "R" => "R1"
[INFO]    RetroPad, Port 1, Button "L2" => "L2"
[INFO]    RetroPad, Port 1, Button "R2" => "R2"
[INFO]    RetroPad, Port 1, Button "L3" => "L3"
[INFO]    RetroPad, Port 1, Button "R3" => "R3"
[INFO] [Environ]: SET_PIXEL_FORMAT: XRGB8888.
[INFO] [Environ]: SET_FRAME_TIME_CALLBACK.
retroarch: ../src/allocator.c:139: sixel_allocator_malloc: Assertion `allocator' failed.
Aborted (core dumped)

[gouchi]

Don't know why but it seems libsixel is giving this issue.

You should try to build RetroArch with --disable-sixel.