stacktrace

#0  0x00007ff6ca11b0af in __GI___poll (fds=0x7ffd94843ad0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ff6c97914d3 in ?? () from /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007ff6c978eb56 in xcb_connect_to_fd () from /lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007ff6c9793054 in xcb_connect_to_display_with_auth_info () from /lib/x86_64-linux-gnu/libxcb.so.1
#4  0x00007ff6c969a0ca in device_select_find_xcb_pci_default (devices=0x5618f32f8900, device_count=1) at ../src/vulkan/device-select-layer/device_select_x11.c:72
#5  0x00007ff6c96995d6 in get_default_device (info=0x5618f33621b0, selection=0x0, physical_device_count=1, pPhysicalDevices=0x5618f332bf20)
    at ../src/vulkan/device-select-layer/device_select_layer.c:449
#6  0x00007ff6c9699967 in device_select_EnumeratePhysicalDevices (instance=0x5618f328ccd0, pPhysicalDeviceCount=0x7ffd94844228, pPhysicalDevices=0x0)
    at ../src/vulkan/device-select-layer/device_select_layer.c:513
#7  0x00007ff6c925c898 in vkEnumeratePhysicalDevices () from /lib/x86_64-linux-gnu/libvulkan.so.1
#8  0x00007ff6c7bd0e27 in choose_pdev (screen=0x5618f3286400) at ../src/gallium/drivers/zink/zink_screen.c:1488
#9  0x00007ff6c7bd40f3 in zink_internal_create_screen (config=0x7ffd94844390) at ../src/gallium/drivers/zink/zink_screen.c:2720
#10 0x00007ff6c7bd539e in zink_drm_create_screen (fd=17, config=0x7ffd94844390) at ../src/gallium/drivers/zink/zink_screen.c:3074
#11 0x00007ff6c706565a in pipe_zink_create_screen (fd=17, config=0x7ffd94844390) at ../src/gallium/auxiliary/target-helpers/drm_helper.h:440
#12 0x00007ff6c7b991e9 in pipe_loader_drm_create_screen (dev=0x5618f3280420, config=0x7ffd94844390, sw_vk=false) at ../src/gallium/auxiliary/pipe-loader/pipe_loader_drm.c:270
#13 0x00007ff6c7b988b0 in pipe_loader_create_screen_vk (dev=0x5618f3280420, sw_vk=false) at ../src/gallium/auxiliary/pipe-loader/pipe_loader.c:171
#14 0x00007ff6c7b988cf in pipe_loader_create_screen (dev=0x5618f3280420) at ../src/gallium/auxiliary/pipe-loader/pipe_loader.c:177
#15 0x00007ff6c706ad2b in kopper_init_screen (screen=0x5618f327ca20) at ../src/gallium/frontends/dri/kopper.c:134
#16 0x00007ff6c70720f4 in driCreateNewScreen2 (scrn=0, fd=16, loader_extensions=0x7ff6c96bc2e0 <gbm_dri_screen_extensions>, driver_extensions=0x7ff6c91481c0 <galliumvk_driver_extensions>,
    driver_configs=0x5618f31eced0, data=0x5618f31ecd80) at ../src/gallium/frontends/dri/dri_util.c:139
#17 0x00007ff6c96acf05 in dri_screen_create_for_driver (dri=0x5618f31ecd80, driver_name=0x5618f31e96d0 "zink") at ../src/gbm/backends/dri/gbm_dri.c:361
#18 0x00007ff6c96ad02f in dri_screen_create (dri=0x5618f31ecd80) at ../src/gbm/backends/dri/gbm_dri.c:402
#19 0x00007ff6c96af11b in dri_device_create (fd=16, gbm_backend_version=1) at ../src/gbm/backends/dri/gbm_dri.c:1372
#20 0x00007ff6c96ab73f in backend_create_device (bd=0x7ff6c96bbd70 <builtin_backends>, fd=16) at ../src/gbm/main/backend.c:105
#21 0x00007ff6c96ab8a2 in find_backend (name=0x0, fd=16) at ../src/gbm/main/backend.c:163
#22 0x00007ff6c96aba42 in _gbm_create_device (fd=16) at ../src/gbm/main/backend.c:229
#23 0x00007ff6c96abba2 in gbm_create_device (fd=16) at ../src/gbm/main/gbm.c:138
#24 0x00007ff6c96c73c1 in glamor_egl_init () from /usr/lib/xorg/modules/libglamoregl.so
#25 0x00007ff6c9900733 in ?? () from /usr/lib/xorg/modules/drivers/modesetting_drv.so
#26 0x00005618f230d4c2 in InitOutput ()
#27 0x00005618f22ce4de in ?? ()
#28 0x00007ff6ca04618a in __libc_start_call_main (main=main@entry=0x5618f22b7b40, argc=argc@entry=2, argv=argv@entry=0x7ffd94845318) at ../sysdeps/nptl/libc_start_call_main.h:58
#29 0x00007ff6ca046245 in __libc_start_main_impl (main=0x5618f22b7b40, argc=2, argv=0x7ffd94845318, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>,
    stack_end=0x7ffd94845308) at ../csu/libc-start.c:381
#30 0x00005618f22b7b71 in _start ()