gistfile1.txt

$ steam
/home/alex/.local/share/Steam/steam.sh: line 154: VERSION_ID: unbound variable
/home/alex/.local/share/Steam/steam.sh: line 154: VERSION_ID: unbound variable
Running Steam on gentoo  64-bit
STEAM_RUNTIME is enabled by the user
Installing breakpad exception handler for appid(steam)/version(1476379980)
Installing breakpad exception handler for appid(steam)/version(1476379980)
Installing breakpad exception handler for appid(steam)/version(1476379980)
Installing breakpad exception handler for appid(steam)/version(1476379980)
/usr/share/themes/Breeze/gtk-2.0/widgets/entry:70: error: unexpected identifier `direction', expected character `}'

(steam:15833): Gtk-WARNING **: Unable to locate theme engine in module_path: "adwaita",
/usr/share/themes/Breeze/gtk-2.0/widgets/styles:36: error: invalid string constant "combobox_entry", expected valid string constant
/usr/share/themes/Breeze/gtk-2.0/widgets/entry:70: error: unexpected identifier `direction', expected character `}'

(steam:15833): Gtk-WARNING **: Unable to locate theme engine in module_path: "adwaita",
/usr/share/themes/Breeze/gtk-2.0/widgets/styles:36: error: invalid string constant "combobox_entry", expected valid string constant
Fontconfig error: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", line 70: non-double matrix element
Fontconfig error: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", line 70: non-double matrix element
Fontconfig warning: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", line 78: saw unknown, expected number
Installing breakpad exception handler for appid(steam)/version(1476379980)
[1110/201633:ERROR:main_delegate.cc(779)] Could not load cef_extensions.pak
[1110/201633:ERROR:browser_main_loop.cc(217)] Running without the SUID sandbox! See https://chromium.googlesource.com/chromium/src/+/master/docs/linux_suid_sandbox_development.md for more information on developing with the sandbox on.
Installing breakpad exception handler for appid(steamwebhelper)/version(20161013004706)
Installing breakpad exception handler for appid(steamwebhelper)/version(1476319626)
[1110/201633:ERROR:main_delegate.cc(779)] Could not load cef_extensions.pak
Installing breakpad exception handler for appid(steamwebhelper)/version(20161013004706)
Installing breakpad exception handler for appid(steamwebhelper)/version(1476379980)
Installing breakpad exception handler for appid(steamwebhelper)/version(1476379980)
Installing breakpad exception handler for appid(steam)/version(1476379980)
Installing breakpad exception handler for appid(steam)/version(1476379980)
Installing breakpad exception handler for appid(steam)/version(1476379980)
Installing breakpad exception handler for appid(steam)/version(1476379980)
Installing breakpad exception handler for appid(steam)/version(1476379980)
Installing breakpad exception handler for appid(steam)/version(1476379980)
Created shared memory when not owner SteamController_Shared_mem
Installing breakpad exception handler for appid(steam)/version(1476379980)
Installing breakpad exception handler for appid(steam)/version(1476379980)
crash_20161110201626_1.dmp[24031]: Uploading dump (out-of-process)
/tmp/dumps/crash_20161110201626_1.dmp
/home/alex/.local/share/Steam/steam.sh: line 713: 15833 Segmentation fault      $STEAM_DEBUGGER "$STEAMROOT/$STEAMEXEPATH" "$@"
crash_20161110201626_1.dmp[24031]: Finished uploading minidump (out-of-process): success = yes
crash_20161110201626_1.dmp[24031]: response: CrashID=bp-0f370754-65d5-47dd-b01a-89b7e2161110
crash_20161110201626_1.dmp[24031]: file ''/tmp/dumps/crash_20161110201626_1.dmp'', upload yes: ''CrashID=bp-0f370754-65d5-47dd-b01a-89b7e2161110''