cesar@gentoo ~ $ firefox
1495230838439	addons.webextension.chrome-gnome-shell@gnome.org	WARN	Loading extension 'chrome-gnome-shell@gnome.org': Reading manifest: Error processing background.persistent: Event pages are not currently supported. This will run as a persistent background page.
1495230838445	addons.webextension.chrome-gnome-shell@gnome.org	WARN	Loading extension 'chrome-gnome-shell@gnome.org': Reading manifest: Error processing externally_connectable: An unexpected property was found in the WebExtension manifest.
1495230838445	addons.webextension.chrome-gnome-shell@gnome.org	WARN	Loading extension 'chrome-gnome-shell@gnome.org': Reading manifest: Error processing optional_permissions: An unexpected property was found in the WebExtension manifest.
1495230841973	FirefoxAccounts	ERROR	Background refresh of profile failed, bumping _cachedAt: {"name":"FxAccountsProfileClientError","code":304,"errno":997,"error":"PARSE_ERROR","message":null}
Sandbox: seccomp sandbox violation: pid 27347, syscall 28, args 140638372757504 2097152 15 1614 0 140638372801456.  Killing process.
Sandbox: crash reporter is disabled (or failed); trying stack trace:
Sandbox: frame #01: madvise[/lib64/libc.so.6 +0xe4467]
Sandbox: frame #02: ???[/usr/lib64/firefox/plugin-container +0x2a550]
Sandbox: frame #03: ???[/usr/lib64/firefox/plugin-container +0x1fb9c]
Sandbox: frame #04: ???[/usr/lib64/firefox/plugin-container +0x1e8ab]
Sandbox: frame #05: ???[/usr/lib64/firefox/plugin-container +0x20727]
Sandbox: frame #06: ???[/home/cesar/.mozilla/firefox/7smkrkwp.default/gmp-widevinecdm/1.4.8.903/libwidevinecdm.so +0x170ef3]
Sandbox: frame #07: ???[/home/cesar/.mozilla/firefox/7smkrkwp.default/gmp-widevinecdm/1.4.8.903/libwidevinecdm.so +0x250bde]
Sandbox: frame #08: ???[/home/cesar/.mozilla/firefox/7smkrkwp.default/gmp-widevinecdm/1.4.8.903/libwidevinecdm.so +0x16f199]
Sandbox: frame #09: ???[/home/cesar/.mozilla/firefox/7smkrkwp.default/gmp-widevinecdm/1.4.8.903/libwidevinecdm.so +0x16ecbf]
Sandbox: frame #10: ???[/home/cesar/.mozilla/firefox/7smkrkwp.default/gmp-widevinecdm/1.4.8.903/libwidevinecdm.so +0x170228]
Sandbox: frame #11: ???[/home/cesar/.mozilla/firefox/7smkrkwp.default/gmp-widevinecdm/1.4.8.903/libwidevinecdm.so +0x2568b0]
Sandbox: frame #12: ???[/home/cesar/.mozilla/firefox/7smkrkwp.default/gmp-widevinecdm/1.4.8.903/libwidevinecdm.so +0x25df76]
Sandbox: frame #13: ???[/home/cesar/.mozilla/firefox/7smkrkwp.default/gmp-widevinecdm/1.4.8.903/libwidevinecdm.so +0x15b797]
Sandbox: frame #14: ???[/home/cesar/.mozilla/firefox/7smkrkwp.default/gmp-widevinecdm/1.4.8.903/libwidevinecdm.so +0x524bc]
Sandbox: frame #15: ???[/usr/lib64/firefox/libxul.so +0x1b6d9f5]
Sandbox: frame #16: ???[/usr/lib64/firefox/libxul.so +0x1b5f959]
Sandbox: frame #17: ???[/usr/lib64/firefox/libxul.so +0xde9567]
Sandbox: frame #18: ???[/usr/lib64/firefox/libxul.so +0xdd423d]
Sandbox: frame #19: ???[/usr/lib64/firefox/libxul.so +0xd8c35b]
Sandbox: frame #20: ???[/usr/lib64/firefox/libxul.so +0xd92f95]
Sandbox: frame #21: ???[/usr/lib64/firefox/libxul.so +0xd94085]
Sandbox: frame #22: ???[/usr/lib64/firefox/libxul.so +0xd941d9]
Sandbox: frame #23: ???[/usr/lib64/firefox/libxul.so +0xd5a7f9]
Sandbox: frame #24: ???[/usr/lib64/firefox/libxul.so +0xd5ad13]
Sandbox: frame #25: ???[/usr/lib64/firefox/libxul.so +0xd5c087]
Sandbox: frame #26: ???[/usr/lib64/firefox/libxul.so +0xd57fff]
Sandbox: frame #27: ???[/usr/lib64/firefox/libxul.so +0xd57f2e]
Sandbox: frame #28: ???[/usr/lib64/firefox/libxul.so +0x25a0a54]
Sandbox: frame #29: ???[/usr/lib64/firefox/plugin-container +0x6fa1]
Sandbox: frame #30: ???[/usr/lib64/firefox/plugin-container +0x6c77]
Sandbox: frame #31: __libc_start_main[/lib64/libc.so.6 +0x201d1]
Sandbox: frame #32: _start[/usr/lib64/firefox/plugin-container +0x6e3a]
Sandbox: frame #33: ??? (???:???)
Sandbox: end of stack.

###!!! [Parent][MessageChannel] Error: (msgtype=0x6C0005,name=PGMPStorage::Msg_Shutdown) Channel error: cannot send/recv


###!!! [Parent][MessageChannel] Error: (msgtype=0x68000D,name=PGMP::Msg_CloseActive) Channel error: cannot send/recv

/usr/share/themes/Paper/gtk-2.0/apps/chrome.rc:6: error: invalid string constant "chrome-gtk-frame", expected valid string constant
/usr/share/themes/Paper/gtk-2.0/apps/eclipse.rc:17: error: invalid string constant "null", expected valid string constant
/usr/share/themes/Paper/gtk-2.0/apps/firefox.rc:9: error: invalid string constant "toolbar", expected valid string constant
/usr/share/themes/Paper/gtk-2.0/apps/libreoffice.rc:21: Imposible encontrar un archivo imagen en pixmap_path: «Entry/entry-border-fill-solid.png»
/usr/share/themes/Paper/gtk-2.0/apps/libreoffice.rc:24: Overlay image options specified without filename
/usr/share/themes/Paper/gtk-2.0/apps/libreoffice.rc:30: Imposible encontrar un archivo imagen en pixmap_path: «Entry/entry-border-fill-solid.png»
/usr/share/themes/Paper/gtk-2.0/apps/libreoffice.rc:33: Overlay image options specified without filename
/usr/share/themes/Paper/gtk-2.0/apps/libreoffice.rc:40: Imposible encontrar un archivo imagen en pixmap_path: «Entry/entry-border-bg-solid.png»
/usr/share/themes/Paper/gtk-2.0/apps/libreoffice.rc:43: Background image options specified without filename
/usr/share/themes/Paper/gtk-2.0/apps/libreoffice.rc:49: Imposible encontrar un archivo imagen en pixmap_path: «Entry/entry-border-active-bg-solid.png»
/usr/share/themes/Paper/gtk-2.0/apps/libreoffice.rc:52: Background image options specified without filename
/usr/share/themes/Paper/gtk-2.0/apps/panel.rc:6: Invalid symbolic color 'panel_bg_color'
/usr/share/themes/Paper/gtk-2.0/apps/panel.rc:6: error: invalid identifier 'panel_bg_color', expected valid identifier
/usr/share/themes/Paper/gtk-2.0/apps/terminal.rc:46: error: invalid string constant "scrollbar_dark", expected valid string constant
/usr/share/themes/Paper/gtk-2.0/apps/xfce.rc:6: Invalid symbolic color 'panel_bg_color'
/usr/share/themes/Paper/gtk-2.0/apps/xfce.rc:6: error: invalid identifier 'panel_bg_color', expected valid identifier