[Bug 98291] [IVB] GPU hang in Weston when coming back from suspend on 4.8.1 on ArchLinux

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=98291

yann <yann.argotti at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         QA Contact|intel-gfx-bugs at lists.freede |
                   |sktop.org                   |
           Assignee|intel-gfx-bugs at lists.freede |idr at freedesktop.org
                   |sktop.org                   |
            Product|DRI                         |Mesa
          Component|DRM/Intel                   |Drivers/DRI/i915

--- Comment #1 from yann <yann.argotti at intel.com> ---
There are constant improvements pushed in Mesa that will benefit to your
system, so please re-test with latest kernel & Mesa to see if this issue is
still occurring.

In parallel, assigning to Mesa product.

Kernel: 4.8.1-1-ARCH
Platform: Ivybridge (pci id: 0x0166, PCI Revision: 0x09, PCI Subsystem:
17aa:21fa)
Mesa: [Please confirm your mesa version]

>From this error dump, hung is happening in render ring batch with active head
at 0x7ede8224, with 0x79000002 (3DSTATE_DRAWING_RECTANGLE) as IPEHR.

We can note also an error
ERROR: 0x00000101
    TLB page fault error (GTT entry not valid)
    Cacheline containing a PD was marked as invalid
(and on render ring we see: Unloaded PD Fault (PPGTT))

Batch extract (around 0x7ede8224):

0x7ede81f8:      0x78200006: 3DSTATE_PS
0x7ede81fc:      0x00000340:    dword 1
0x7ede8200:      0x08080000:    dword 2
0x7ede8204:      0x00000000:    dword 3
0x7ede8208:      0xab000c03:    dword 4
0x7ede820c:      0x00040006:    dword 5
0x7ede8210:      0x00000000:    dword 6
0x7ede8214:      0x000003c0:    dword 7
0x7ede8218:      0x780f0000: 3DSTATE_SCISSOR_POINTERS
0x7ede821c:      0x00007dc0:    scissor rect offset
0x7ede8220:      0x79000002: 3DSTATE_DRAWING_RECTANGLE
0x7ede8224:      0x00000000:    top left: 0,0
0x7ede8228:      0x059f09ff:    bottom right: 2559,1439
0x7ede822c:      0x00000000:    origin: 0,0
0x7ede8230:      0x78080003: 3DSTATE_VERTEX_BUFFERS
0x7ede8234:      0x00014010:    buffer 0: sequential, pitch 16b
0x7ede8238:      0x7edd8000:    buffer address
0x7ede823c:      0x7edd8041:    max index
0x7ede8240:      0x00000000:    mbz

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