problems with octave 8.2.0-1 and plotting

[Fabio Rossi]

I have installed latest test version of octave 8.2.0-1. When I try to plot using a simple command like "plot(1,1)" I get the following errors from the command line

$ octave
QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-XXXX+user'
GNU Octave, version 8.2.0
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octave:1> plot(1,1)
wglMakeCurrent error: 00000006
wglMakeCurrent error: 00000006
warning: opengl_renderer: Error 'invalid operation' (1282) occurred in init_gl_context
warning: called from
    __uiobject_split_args__ at line 61 column 9
    uimenu at line 94 column 13
    __add_default_menu__ at line 59 column 5
    figure at line 97 column 5
    newplot at line 120 column 10
    plot at line 234 column 9

warning: opengl_renderer: Error 'invalid operation' (1282) occurred drawing 'uimenu' object
warning: called from
    __uiobject_split_args__ at line 61 column 9
    uimenu at line 94 column 13
    __add_default_menu__ at line 59 column 5
    figure at line 97 column 5
    newplot at line 120 column 10
    plot at line 234 column 9

warning: opengl_renderer: Error 'invalid operation' (1282) occurred drawing 'figure' object
warning: called from
    __uiobject_split_args__ at line 61 column 9
    uimenu at line 94 column 13
    __add_default_menu__ at line 59 column 5
    figure at line 97 column 5
    newplot at line 120 column 10
    plot at line 234 column 9

wglMakeCurrent error: 00000006
warning: opengl_renderer: Error 'invalid operation' (1282) occurred in init_gl_context
warning: called from
    __add_default_menu__ at line 165 column 3
    figure at line 97 column 5
    newplot at line 120 column 10
    plot at line 234 column 9

warning: opengl_renderer: Error 'invalid operation' (1282) occurred drawing 'uimenu' object
warning: called from
    __add_default_menu__ at line 165 column 3
    figure at line 97 column 5
    newplot at line 120 column 10
    plot at line 234 column 9

warning: opengl_renderer: Error 'invalid operation' (1282) occurred drawing 'uimenu' object
warning: called from
    __add_default_menu__ at line 165 column 3
    figure at line 97 column 5
    newplot at line 120 column 10
    plot at line 234 column 9

warning: opengl_renderer: Error 'invalid operation' (1282) occurred drawing 'uimenu' object
warning: called from
    __add_default_menu__ at line 165 column 3
    figure at line 97 column 5
    newplot at line 120 column 10
    plot at line 234 column 9

warning: opengl_renderer: Error 'invalid operation' (1282) occurred drawing 'uitoolbar' object
warning: called from
    __add_default_menu__ at line 165 column 3
    figure at line 97 column 5
    newplot at line 120 column 10
    plot at line 234 column 9

warning: opengl_renderer: Error 'invalid operation' (1282) occurred drawing 'figure' object
warning: called from
    __add_default_menu__ at line 165 column 3
    figure at line 97 column 5
    newplot at line 120 column 10
    plot at line 234 column 9

warning: opengl_renderer: Error 'invalid operation' (1282) occurred in init_gl_context
warning: called from
    __add_default_menu__ at line 165 column 3
    figure at line 97 column 5
    newplot at line 120 column 10
    plot at line 234 column 9

warning: opengl_renderer: Error 'invalid operation' (1282) occurred drawing 'uimenu' object
warning: called from
    __add_default_menu__ at line 165 column 3
    figure at line 97 column 5
    newplot at line 120 column 10
    plot at line 234 column 9

warning: opengl_renderer: Error 'invalid operation' (1282) occurred drawing 'uimenu' object
warning: called from
    __add_default_menu__ at line 165 column 3
    figure at line 97 column 5
    newplot at line 120 column 10
    plot at line 234 column 9

warning: opengl_renderer: Error 'invalid operation' (1282) occurred drawing 'uimenu' object
warning: called from
    __add_default_menu__ at line 165 column 3
    figure at line 97 column 5
    newplot at line 120 column 10
    plot at line 234 column 9

warning: opengl_renderer: Error 'invalid operation' (1282) occurred drawing 'uitoolbar' object
warning: called from
    __add_default_menu__ at line 165 column 3
    figure at line 97 column 5
    newplot at line 120 column 10
    plot at line 234 column 9

warning: opengl_renderer: Error 'invalid operation' (1282) occurred drawing 'figure' object
warning: called from
    __add_default_menu__ at line 165 column 3
    figure at line 97 column 5
    newplot at line 120 column 10
    plot at line 234 column 9

octave:2> wglMakeCurrent error: 00000006
warning: opengl_renderer: Error 'invalid operation' (1282) occurred in init_gl_context
warning: opengl_renderer: Error 'invalid operation' (1282) occurred drawing 'uimenu' object
warning: opengl_renderer: Error 'invalid operation' (1282) occurred drawing 'uimenu' object
warning: opengl_renderer: Error 'invalid operation' (1282) occurred drawing 'uimenu' object
warning: opengl_renderer: Error 'invalid operation' (1282) occurred drawing 'uitoolbar' object
warning: opengl_texture::create: the opengl library in use doesn't support images with either dimension larger than -367397472. Not rendering.

The plot window is opened but becomes unresponsive, it is impossible to close it. The same happens if I start octave with the --gui option. The same happens also with latest stable 6.4.0-1 version

Thanks for the help,
Fabio