jan@pc-vse-dt153786:~/Downloads/Mozilla Nightly builds/thunderbird$ ./thunderbird
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 1280, 895
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 1280, 895
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 1280, 895
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 1280, 895
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 1280, 895
1496323310020   addons.repository   ERROR   Malformed addons.json: Unix error 24 during operation open on file /home/jan/.thunderbird/7clng5jw.default/addons.json (Too many open files) - resetting to empty
1496323310095   DeferredSave.addons.json    WARN    Write failed: Unix error 24 during operation open on file /home/jan/.thunderbird/7clng5jw.default/addons.json.tmp (Too many open files) ((unknown module)) No traceback available
1496323310095   addons.repository   ERROR   SaveDBToDisk failed: Unix error 24 during operation open on file /home/jan/.thunderbird/7clng5jw.default/addons.json.tmp (Too many open files) ((unknown module)) No traceback available
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 1280, 895
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 1280, 895
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 1855, 1176
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 1855, 1176
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 1855, 1176
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 1855, 1176
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 1855, 1176
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 1855, 1176
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 1855, 1176
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 1855, 1176
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 1855, 1176
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 1855, 1176
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 1855, 1176
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 1855, 1176
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 1855, 1176

(thunderbird:8322): Gtk-WARNING **: Could not load a pixbuf from icon theme.
This may indicate that pixbuf loaders or the mime database could not be found.

(thunderbird:8322): Gtk-WARNING **: Error loading theme icon 'dialog-warning' for stock: Error opening file /usr/share/icons/Humanity/status/48/dialog-warning.svg: Too many open files

(thunderbird:8322): Gtk-WARNING **: Error loading theme icon 'image-missing' for stock: Error opening file /usr/share/icons/Humanity/status/48/image-missing.svg: Too many open files
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 702, 109
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 702, 109
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 702, 109
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 702, 109
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 702, 109
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 702, 109
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 1855, 1176
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 1855, 1176
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 1855, 1176
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 702, 109
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 702, 109
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 702, 109
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 702, 109
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 702, 109
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 1855, 1176
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 1855, 1176
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 1855, 1176
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 1855, 1176
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 1855, 1176
[GFX1-]: Failed 2 buffer db=0 dw=0 for 0, 0, 1855, 1176