[Bug 94465] New: Xorg crashes in VT switch

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94465

            Bug ID: 94465
           Summary: Xorg crashes in VT switch
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: Driver/intel
          Assignee: chris at chris-wilson.co.uk
          Reporter: jhnmlkvch9 at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org

Switching VT and back works fine the first time. Switching VT a second time
also works fine, but switching back crashes Xorg. Backtrace in Xorg.0.log:

[    34.206] (II) systemd-logind: got resume for 13:69
[    34.220] (II) systemd-logind: got resume for 13:81
[    34.233] (II) systemd-logind: got resume for 13:82
[    34.246] (II) systemd-logind: got resume for 13:79
[    34.247] (II) systemd-logind: got resume for 226:0
[    34.247] (II) Open ACPI successful (/var/run/acpid.socket)
[    34.247] (II) AIGLX: Resuming AIGLX clients after VT switch
[    34.247] (II) intel(0): switch to mode 1920x1080 at 60.0 on eDP1 using pipe 0,
position (0, 0), rotation normal, reflection none
[    34.262] (EE)
[    34.262] (EE) Backtrace:
[    34.262] (EE) 0: /usr/lib/xorg-server/Xorg (OsLookupColor+0x139) [0x598b99]
[    34.265] (EE) 1: /usr/lib/libc.so.6 (__restore_rt+0x0) [0x7fd76e0b032f]
[    34.265] (EE) 2: /usr/lib/libc.so.6 (malloc_consolidate+0x112)
[0x7fd76e0f1f62]
[    34.266] (EE) 3: /usr/lib/libc.so.6 (_int_malloc+0x160) [0x7fd76e0f3c90]
[    34.266] (EE) 4: /usr/lib/libc.so.6 (__libc_malloc+0x54) [0x7fd76e0f5924]
[    34.266] (EE) 5: /usr/lib/xorg-server/Xorg (xf86CrtcRotate+0x749)
[0x4bc939]
[    34.266] (EE) 6: /usr/lib/xorg-server/Xorg (xf86DiDGAReInit+0x58)
[0x4bc4c8]
[    34.266] (EE) 7: /usr/lib/xorg-server/Xorg (xf86PruneDuplicateModes+0x13ff)
[0x4b9d2f]
[    34.267] (EE) 8: /usr/lib/xorg-server/Xorg (RRGetInfo+0xeb) [0x4fa56b]
[    34.267] (EE) 9: /usr/lib/xorg/modules/extensions/libglx.so
(GlxSetVisualConfigs+0x65ff) [0x7fd76baaa17f]
[    34.267] (EE) 10: /usr/lib/xorg-server/Xorg (xf86VTEnter+0x88) [0x4773b8]
[    34.267] (EE) 11: /usr/lib/xorg-server/Xorg (xf86SIGIOSupported+0x867)
[0x4a1447]
[    34.267] (EE) 12: /usr/lib/xorg-server/Xorg (xf86SIGIOSupported+0xb6b)
[0x4a17fb]
[    34.267] (EE) 13: /usr/lib/libdbus-1.so.3 (dbus_connection_dispatch+0x375)
[0x7fd76fd45085]
[    34.268] (EE) 14: /usr/lib/libdbus-1.so.3 (dbus_connection_dispatch+0x6dd)
[0x7fd76fd45a2d]
[    34.268] (EE) 15: /usr/lib/xorg-server/Xorg (config_fini+0x4c1) [0x49a501]
[    34.268] (EE) 16: /usr/lib/xorg-server/Xorg (WakeupHandler+0x6d) [0x43ae0d]
[    34.268] (EE) 17: /usr/lib/xorg-server/Xorg (WaitForSomething+0x1ef)
[0x59139f]
[    34.268] (EE) 18: /usr/lib/xorg-server/Xorg (SendErrorToClient+0x10e)
[0x43611e]
[    34.268] (EE) 19: /usr/lib/xorg-server/Xorg (remove_fs_handlers+0x453)
[0x43a313]
[    34.268] (EE) 20: /usr/lib/libc.so.6 (__libc_start_main+0xf0)
[0x7fd76e09d710]
[    34.269] (EE) 21: /usr/lib/xorg-server/Xorg (_start+0x29) [0x424649]
[    34.269] (EE) 22: ? (?+0x29) [0x29]
[    34.269] (EE)
[    34.269] (EE) Segmentation fault at address 0x7fd76c7d3c98
[    34.269] (EE)
Fatal server error:
[    34.269] (EE) Caught signal 11 (Segmentation fault). Server aborting
[    34.269] (EE)
[    34.269] (EE)

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