Program received signal SIGSEGV, Segmentation fault. 0x00007f91c502fcac in drm_intel_gem_bo_free (bo=0x1b86df0) at intel_bufmgr_gem.c:954 954 DRMLISTDEL(&bo_gem->vma_list); Missing separate debuginfos, use: debuginfo-install libpciaccess-0.13.1-3.fc19.x86_64 libstdc++-4.8.1-1.fc19.x86_64 (gdb) bt #0 0x00007f91c502fcac in drm_intel_gem_bo_free (bo=0x1b86df0) at intel_bufmgr_gem.c:954 #1 0x00007f91c502f64d in drm_intel_gem_bo_alloc_internal (bufmgr=0x1682190, name=0x7f91c576da6b "region", size=0, flags=1, tiling_mode=1, stride=0) at intel_bufmgr_gem.c:751 #2 0x00007f91c502f95a in drm_intel_gem_bo_alloc_tiled (bufmgr=0x1682190, name=0x7f91c576da6b "region", x=-1, y=-1, cpp=4, tiling_mode=0x7fffb78551f4, pitch=0x7fffb7855200, flags=1) at intel_bufmgr_gem.c:846 #3 0x00007f91c502afcd in drm_intel_bo_alloc_tiled (bufmgr=0x1682190, name=0x7f91c576da6b "region", x=-1, y=-1, cpp=4, tiling_mode=0x7fffb78551f4, pitch=0x7fffb7855200, flags=1) at intel_bufmgr.c:68 #4 0x00007f91c561b311 in intel_region_alloc (screen=0x1681820, tiling=1, cpp=4, width=4294967295, height=4294967295, expect_accelerated_upload=true) at intel_regions.c:145 #5 0x00007f91c561c6a6 in intel_create_image (screen=0x1681770, width=-1, height=-1, format=4099, use=1, loaderPrivate=0x0) at intel_screen.c:518 #6 0x00007f91c7f33754 in get_back_bo (dri2_surf=0x1e3cc20) at platform_wayland.c:301 #7 0x00007f91c7f34363 in dri2_swap_buffers_with_damage (drv=0x1679310, disp=0x1679a20, draw=0x1e3cc20, rects=0x0, n_rects=0) at platform_wayland.c:587 #8 0x00007f91c7f347ba in dri2_swap_buffers (drv=0x1679310, disp=0x1679a20, draw=0x1e3cc20) at platform_wayland.c:679 #9 0x00007f91c7f1db44 in eglSwapBuffers (dpy=0x1679a20, surface=0x1e3cc20) at eglapi.c:704 #10 0x0000003f2deb72f3 in cairo_gl_surface_swapbuffers (abstract_surface=0x1e3c860) at cairo-gl-surface.c:756 #11 0x000000000040eba3 in egl_window_surface_swap (base=0x1be8a90, buffer_transform=WL_OUTPUT_TRANSFORM_NORMAL, buffer_scale=1, server_allocation=0x1b5b294) at clients/window.c:542 #12 0x00000000004106d2 in surface_flush (surface=0x1b5b240) at clients/window.c:1352 #13 0x0000000000417bc6 in window_flush (window=0x1b5b340) at clients/window.c:3988 #14 0x00000000004180fb in idle_redraw (task=0x1b5b3a8, events=0) at clients/window.c:4117 #15 0x000000000041bdfc in display_run (display=0x1672b30) at clients/window.c:5519 #16 0x0000000000409a93 in main (argc=1, argv=0x7fffb7855728) at clients/desktop-shell.c:1340 (gdb) bt full #0 0x00007f91c502fcac in drm_intel_gem_bo_free (bo=0x1b86df0) at intel_bufmgr_gem.c:954 bufmgr_gem = 0x1682190 bo_gem = 0x1b86df0 close = {handle = 3222299739, pad = 0} ret = -1 #1 0x00007f91c502f64d in drm_intel_gem_bo_alloc_internal (bufmgr=0x1682190, name=0x7f91c576da6b "region", size=0, flags=1, tiling_mode=1, stride=0) at intel_bufmgr_gem.c:751 create = {size = 4096, handle = 18, pad = 0} bufmgr_gem = 0x1682190 bo_gem = 0x1b86df0 page_size = 4096 ret = 0 bucket = 0x16822c0 alloc_from_cache = false bo_size = 4096 for_render = true #2 0x00007f91c502f95a in drm_intel_gem_bo_alloc_tiled (bufmgr=0x1682190, name=0x7f91c576da6b "region", x=-1, y=-1, cpp=4, tiling_mode=0x7fffb78551f4, pitch=0x7fffb7855200, flags=1) at intel_bufmgr_gem.c:846 bufmgr_gem = 0x1682190 size = 0 stride = 0 tiling = 1 #3 0x00007f91c502afcd in drm_intel_bo_alloc_tiled (bufmgr=0x1682190, name=0x7f91c576da6b "region", x=-1, y=-1, cpp=4, tiling_mode=0x7fffb78551f4, pitch=0x7fffb7855200, flags=1) at intel_bufmgr.c:68 No locals. #4 0x00007f91c561b311 in intel_region_alloc (screen=0x1681820, tiling=1, cpp=4, width=4294967295, height=4294967295, expect_accelerated_upload=true) at intel_regions.c:145 buffer = 0x1686dd0 flags = 1 aligned_pitch = 0 region = 0x3c563e973 #5 0x00007f91c561c6a6 in intel_create_image (screen=0x1681770, width=-1, height=-1, format=4099, use=1, loaderPrivate=0x0) at intel_screen.c:518 image = 0x1be8c60 intelScreen = 0x1681820 tiling = 1 cpp = 4 #6 0x00007f91c7f33754 in get_back_bo (dri2_surf=0x1e3cc20) at platform_wayland.c:301 dri2_dpy = 0x1679830 i = 4 #7 0x00007f91c7f34363 in dri2_swap_buffers_with_damage (drv=0x1679310, disp=0x1679a20, draw=0x1e3cc20, rects=0x0, n_rects=0) at platform_wayland.c:587 ctx = 0x1679a20 i = 4 dri2_dpy = 0x1679830 dri2_surf = 0x1e3cc20 dri2_ctx = 0x7fffb7855320 #8 0x00007f91c7f347ba in dri2_swap_buffers (drv=0x1679310, disp=0x1679a20, draw=0x1e3cc20) at platform_wayland.c:679 No locals. #9 0x00007f91c7f1db44 in eglSwapBuffers (dpy=0x1679a20, surface=0x1e3cc20) at eglapi.c:704 ctx = 0x1683120 disp = 0x1679a20 surf = 0x1e3cc20 drv = 0x1679310 ret = 0 __func__ = "eglSwapBuffers" #10 0x0000003f2deb72f3 in cairo_gl_surface_swapbuffers (abstract_surface=0x1e3c860) at cairo-gl-surface.c:756 ctx = 0x1b11cb0 status = 3222299745 surface = 0x1e3c860 #11 0x000000000040eba3 in egl_window_surface_swap (base=0x1be8a90, buffer_transform=WL_OUTPUT_TRANSFORM_NORMAL, buffer_scale=1, server_allocation=0x1b5b294) at clients/window.c:542 surface = 0x1be8a90 #12 0x00000000004106d2 in surface_flush (surface=0x1b5b240) at clients/window.c:1352 No locals. #13 0x0000000000417bc6 in window_flush (window=0x1b5b340) at clients/window.c:3988 surface = 0x1b5b3b0 #14 0x00000000004180fb in idle_redraw (task=0x1b5b3a8, events=0) at clients/window.c:4117 window = 0x1b5b340 ---Type to continue, or q to quit--- surface = 0x1b5b3b0 failed = 0 resized = 1 #15 0x000000000041bdfc in display_run (display=0x1672b30) at clients/window.c:5519 i = 1 count = 1 ret = 268 task = 0x1b5b3a8 ep = {{events = 1, data = {ptr = 0x1672ba8, fd = 23538600, u32 = 23538600, u64 = 23538600}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x10000000, fd = 268435456, u32 = 268435456, u64 = 268435456}}, {events = 0, data = {ptr = 0xb785572000000000, fd = 0, u32 = 0, u64 = 13224071675793899520}}, {events = 32767, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0xc724d92800000000, fd = 0, u32 = 0, u64 = 14349833078531162112}}, {events = 32657, data = {ptr = 0x3f1c022560, fd = 469902688, u32 = 469902688, u64 = 271052842336}}, { events = 469901832, data = {ptr = 0x1be09faf0000003f, fd = 63, u32 = 63, u64 = 2008781007775334463}}, {events = 63, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 3341080872, data = {ptr = 0x500007f91, fd = 32657, u32 = 32657, u64 = 21474869137}}, {events = 110, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 1, data = {ptr = 0x1c02220800000000, fd = 0, u32 = 0, u64 = 2018213000770486272}}, {events = 63, data = { ptr = 0x7fffb785543f, fd = -1215998913, u32 = 3078968383, u64 = 140736272356415}}, {events = 0, data = {ptr = 0xa000000000, fd = 0, u32 = 0, u64 = 687194767360}}, {events = 0, data = { ptr = 0x3f1c289655 <__memset_sse2+1029>, fd = 472421973, u32 = 472421973, u64 = 271055361621}}} #16 0x0000000000409a93 in main (argc=1, argv=0x7fffb7855728) at clients/desktop-shell.c:1340 desktop = {display = 0x1672b30, shell = 0x1b1ee40, interface_version = 2, unlock_dialog = 0x0, unlock_task = {run = 0x408a28 , link = {prev = 0x0, next = 0x0}}, outputs = {prev = 0x17e64b0, next = 0x17e64b0}, grab_window = 0x1b5bb40, grab_widget = 0x1b5bd70, config = 0x1671b10, locking = 1, grab_cursor = CURSOR_BOTTOM_LEFT, painted = 1} output = 0x7fffb78555e8 s = 0x1672dc0 (gdb)