Почему шапка в браузере chrome черная?

lspci | grep -i vga
lsmod | grep "kms\|drm"
glxinfo | grep -i "vendor\|rendering"
grep LoadModule /var/log/Xorg.0.log

lspci | grep -i vga
01:00.0 VGA compatible controller: NVIDIA Corporation GK104 [GeForce GTX 770] (rev a1)

lsmod | grep "kms\|drm"
drm_kms_helper        172032  1 nouveau
syscopyarea            16384  1 drm_kms_helper
sysfillrect            16384  1 drm_kms_helper
sysimgblt              16384  1 drm_kms_helper
fb_sys_fops            16384  1 drm_kms_helper
drm                   401408  10 nouveau,ttm,drm_kms_helper

direct rendering: Yes
server glx vendor string: SGI
client glx vendor string: Mesa Project and SGI
    Vendor: nouveau (0x10de)
OpenGL vendor string: nouveau

grep LoadModule /var/log/Xorg.0.log
[    21.947] (II) LoadModule: "glx"
[    22.155] (II) LoadModule: "nouveau"
[    22.170] (II) LoadModule: "modesetting"
[    22.170] (II) LoadModule: "fbdev"
[    22.170] (II) LoadModule: "vesa"
[    22.176] (II) LoadModule: "fbdevhw"
[    22.177] (II) LoadModule: "dri2"
[    22.468] (II) LoadModule: "fb"
[    22.468] (II) LoadModule: "shadowfb"
[    22.481] (II) LoadModule: "exa"
[    22.842] (II) LoadModule: "libinput"