Description of problem: 1.dnf install vim 2.in vim script set lines=9999 colunms=9999 3.quit vim 4.open gvim 5.the x crash. Version-Release number of selected component: xorg-x11-server-Xwayland-1.19.1-3.fc25 Additional info: reporter: libreport-2.8.0 backtrace_rating: 4 cmdline: /usr/bin/Xwayland :0 -rootless -noreset -listen 4 -listen 5 -displayfd 6 crash_function: glamor_pixmap_ensure_fb executable: /usr/bin/Xwayland global_pid: 1160 kernel: 4.9.13-201.fc25.x86_64 pkg_fingerprint: 4089 D8F2 FDB1 9C98 pkg_vendor: Fedora Project runlevel: N 5 type: CCpp uid: 1000 Truncated backtrace: Thread no. 1 (10 frames) #4 glamor_pixmap_ensure_fb at glamor_fbo.c:57 #5 glamor_create_fbo_from_tex at glamor_fbo.c:112 #6 glamor_create_fbo at glamor_fbo.c:159 #7 glamor_create_fbo_array at glamor_fbo.c:210 #8 glamor_create_pixmap at glamor.c:226 #9 compNewPixmap at compalloc.c:536 #10 compAllocPixmap at compalloc.c:605 #11 compCheckRedirect at compwindow.c:167 #12 compRealizeWindow at compwindow.c:267 #13 RealizeTree at window.c:2617
Created attachment 1263995 [details] File: backtrace
Created attachment 1263996 [details] File: cgroup
Created attachment 1263997 [details] File: core_backtrace
Created attachment 1263998 [details] File: dso_list
Created attachment 1263999 [details] File: environ
Created attachment 1264000 [details] File: limits
Created attachment 1264001 [details] File: maps
Created attachment 1264002 [details] File: mountinfo
Created attachment 1264003 [details] File: namespaces
Created attachment 1264004 [details] File: open_fds
Created attachment 1264005 [details] File: proc_pid_status
Created attachment 1264006 [details] File: var_log_messages
I cannot reproduce the issue using the reproducer in comment 0, but from the backtrace it's the texture creation which returned 0, meaning that it reached a GL_OUT_OF_MEMORY in _glamor_create_tex() so it's most likely hardware dependent... I think you should see some errors in journactl when that occurs, something like: glamor: Failed to allocate 14476x16384 FBO due to GL_OUT_OF_MEMORY. glamor: Expect reduced performance. Out of curiosity, which hardware is that?
Possible fix: https://patchwork.freedesktop.org/series/21453/
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