[Bug 107651] Assertion in intel_batchbuffer.c aborts startup of xorg-server

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107651

            Bug ID: 107651
           Summary: Assertion in intel_batchbuffer.c aborts startup of
                    xorg-server
           Product: Mesa
           Version: 18.2
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: intel-3d-bugs at lists.freedesktop.org
          Reporter: adpc at riseup.net
        QA Contact: intel-3d-bugs at lists.freedesktop.org

The following assertion aborts the startup of xorg-server:

Xorg: ../mesa-18.2.0-rc2/src/mesa/drivers/dri/i965/intel_batchbuffer.c:724:
execbuffer: Assertion `!(bo->kflags & EXEC_OBJECT_PINNED)' failed.

Here the output of `lcpci -vv`:

00:02.0 VGA compatible controller: Intel Corporation HD Graphics 5500 (rev 09)
(prog-if 00 [VGA controller])
        DeviceName:  Onboard IGD
        Subsystem: Dell HD Graphics 5500
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx+
        Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Interrupt: pin A routed to IRQ 43
        Region 0: Memory at f6000000 (64-bit, non-prefetchable) [size=16M]
        Region 2: Memory at e0000000 (64-bit, prefetchable) [size=256M]
        Region 4: I/O ports at f000 [size=64]
        [virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
        Capabilities: <access denied>
        Kernel driver in use: i915

Please let me know, if you need further info.

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