[Mesa-dev] [Bug 108164] [radv] VM faults since 5d6a560a2986c9ab421b3c7904d29bb7bc35e36f

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108164

            Bug ID: 108164
           Summary: [radv] VM faults since
                    5d6a560a2986c9ab421b3c7904d29bb7bc35e36f
           Product: Mesa
           Version: git
          Hardware: Other
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Vulkan/radeon
          Assignee: mesa-dev at lists.freedesktop.org
          Reporter: joseph.kucia at gmail.com
        QA Contact: mesa-dev at lists.freedesktop.org

The problem is reproducible with the vkmodelviewer demo:
https://repo.or.cz/vkmodelviewer.git

 --- snip ---
[  367.911268] amdgpu 0000:03:00.0: [gfxhub] VMC page fault (src_id:0 ring:32
vm_id:5 pas_id:0)
[  367.911270] amdgpu 0000:03:00.0:   at page 0x0000000103b20000 from 27
[  367.911270] amdgpu 0000:03:00.0: VM_L2_PROTECTION_FAULT_STATUS:0x00540C40
 --- snip ---

This is a regression caused by the following commit:

commit 5d6a560a2986c9ab421b3c7904d29bb7bc35e36f
Author: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Date:   Tue Sep 25 20:26:58 2018 +0200

    radv: do not use the availability bit for timestamp queries

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