[Bug 95537] Invalid argument in anv_ioctl called from anv_physical_device_init

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=95537

            Bug ID: 95537
           Summary: Invalid argument  in anv_ioctl called from
                    anv_physical_device_init
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Vulkan/intel
          Assignee: intel-3d-bugs at lists.freedesktop.org
          Reporter: xonar.leroux at gmail.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org

When calling vkEnumeratePhysicalDevices it ends up failing at the ioctl call
within anv_physical_device_init. It correctly opens the device
/dev/dri/renderD128, but then fails with invalid argument when it tries to get
the chipset id.

This is run on a i7-3630QM with a HD4000. There is also a GTX 675MX present,
but it's not used.

Im running an updated Arch-Linux system (23 May 2016)

I build mesa with debug enabled and used the intel_vulkan library, but when
trying to run any vulkan application (like vulkaninfo) it fails with 

anv_device.c:77: failed to get chipset id: Invalid argument
(VK_ERROR_INITIALIZATION_FAILED)

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