[Bug 81864] [PNV Regression]igt/kms_flip some subcases causes system hang

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=81864

Chris Wilson <chris at chris-wilson.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #1 from Chris Wilson <chris at chris-wilson.co.uk> ---
[    2.318443] BUG: unable to handle kernel paging request at f8502100
[    2.318462] IP: [<f8300d1f>] gen4_read32+0x1f/0x72 [i915]
[    2.318576] *pde = 00000000 
[    2.318590] Oops: 0000 [#1] SMP 
[    2.318606] Modules linked in: i915(+) video button drm_kms_helper drm
[    2.318638] CPU: 1 PID: 1226 Comm: udevd Not tainted
3.16.0-rc4_drm-intel-next-queued_98fcc9_20140729+ #894
[    2.318660] Hardware name: MICRO-STAR INTERNATIONAL CO., LTD
MS-N014/MS-N014, BIOS EN014IMS.10B 11/30/2009
[    2.318681] task: f619b700 ti: f62b8000 task.ti: f62b8000
[    2.318698] EIP: 0060:[<f8300d1f>] EFLAGS: 00010086 CPU: 1
[    2.318802] EIP is at gen4_read32+0x1f/0x72 [i915]
[    2.318820] EAX: 00000293 EBX: f5a20000 ECX: f5a20058 EDX: f8502100
[    2.318836] ESI: f5a20058 EDI: 00000001 EBP: 00182100 ESP: f62b9c90
[    2.318852]  DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
[    2.318866] CR0: 8005003b CR2: f8502100 CR3: 35911000 CR4: 000007d0
[    2.318880] Stack:
[    2.318892]  f5a20000 f5a20000 00000010 00000004 fffb7535 f831a150 01a20000
f5a20000
[    2.318923]  f5a23b20 00000061 f5a24554 f831a35f 00000006 00000061 f62b9ccc
00000000
[    2.318953]  00000000 f5a20000 00000c00 f82d77d1 f5a20000 f8300ee2 f5a20000
00000000
[    2.318982] Call Trace:
[    2.319037]  [<f831a150>] ? vlv_sideband_rw+0xa4/0x261 [i915]
[    2.319037]  [<f831a35f>] ? vlv_punit_read+0x52/0x64 [i915]
[    2.319037]  [<f82d77d1>] ? vlv_set_power_well.isra.22+0x35/0x108 [i915]
[    2.319037]  [<f8300ee2>] ? gen4_write64+0x7d/0x7d [i915]
[    2.319037]  [<f8300d00>] ? gen4_read64+0x7f/0x7f [i915]
[    2.319037]  [<f82d7ad1>] ? chv_dpio_cmn_power_well_enable+0xde/0x1b9 [i915]
[    2.319037]  [<f82da900>] ? intel_display_power_get+0x67/0xa2 [i915]

This looks to have been a merge error, that should now be resolved.

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