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Crash on assertion in mate-display-properties mate_rr_config_load_current() #773

@mcrha

Description

@mcrha

I have installed mate-control-center-1.28.0-2.fc41.x86_64 . I have setup the display to have the laptop screen off and pass everything to an external monitor, which is connected through HDMI.

I wanted to try a display port connection, thus, while the machine was off, I connected the same Thunderbolt to the same monitor, only though the display port, and I disconnected the HDMI cable. Since then I cannot run the mate-display-properties, because it crashes on assertion:

                mate_rr_config_load_current: assertion failed: (mate_rr_config_match (config, config))

at:

                #0  0x00007f9d4b07fb54 __pthread_kill_implementation (libc.so.6 + 0x72b54)
                #1  0x00007f9d4b026f9e raise (libc.so.6 + 0x19f9e)
                #2  0x00007f9d4b00e942 abort (libc.so.6 + 0x1942)
                #3  0x00007f9d4bb0b1ea g_assertion_message (libglib-2.0.so.0 + 0x8f1ea)
                #4  0x00007f9d4bb0b274 g_assertion_message_expr (libglib-2.0.so.0 + 0x8f274)
                #5  0x00007f9d4bf766dd mate_rr_config_load_current (libmate-desktop-2.so.17 + 0x2a6dd)
                #6  0x00007f9d4bf7671a mate_rr_config_new_current (libmate-desktop-2.so.17 + 0x2a71a)
                #7  0x000055d298b86168 on_screen_changed (mate-display-properties + 0xc168)
                #8  0x000055d298b83977 main (mate-display-properties + 0x9977)
                #9  0x00007f9d4b010248 __libc_start_call_main (libc.so.6 + 0x3248)
                #10 0x00007f9d4b01030b __libc_start_main@@GLIBC_2.34 (libc.so.6 + 0x330b)
                #11 0x000055d298b83e75 _start (mate-display-properties + 0x9e75)

It's expected the configuration changes, when I change the connection to the monitor.

This assertion influences also the mate-settings-daemon, for which I see an ABRT catch at the same time, with the same assertion.

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