Plotting with gr backend cannot display in REPL on ubuntu

try to using plotting in REPL on ubuntu, however it cannot display.
running same code in jupyter notebook without problems.

julia> versioninfo()
Julia Version 1.1.1
Commit 55e36cc308 (2019-05-16 04:10 UTC)
Platform Info:
OS: Linux (x86_64-pc-linux-gnu)
CPU: Intel® Celeron® CPU G3930 @ 2.90GHz
LIBM: libopenlibm
LLVM: libLLVM-6.0.1 (ORCJIT, skylake)

shell> uname -a
Linux w1b1 4.10.0-28-generic #32~16.04.2-Ubuntu SMP Thu Jul 20 10:19:48 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux

julia> backend()

julia> Plots.plot(pic, yflip = true) #upside down
QXcbConnection: Failed to initialize XRandr
Qt: XKEYBOARD extension not present on the X server.

julia> libGL error: unable to load driver:
libGL error: failed to load driver: swrast
The X11 connection broke: I/O error (code 1)
XIO: fatal IO error 11 (Resource temporarily unavailable) on X server “localhost:10.0”
after 219 requests (215 known processed) with 0 events remaining.