[Bug 79631] New: WARNING: CPU: 0 PID: 2911 at drivers/gpu/drm/i915/intel_display.c:1231 assert_cursor.constprop.76+0x99/0xa0()

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=79631

            Bug ID: 79631
           Summary: WARNING: CPU: 0 PID: 2911 at
                    drivers/gpu/drm/i915/intel_display.c:1231
                    assert_cursor.constprop.76+0x99/0xa0()
           Product: Drivers
           Version: 2.5
    Kernel Version: 3.16.0-rc4-next-20140707
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - Intel)
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: andrey.krieger.utkin at gmail.com
                CC: intel-gfx-bugs at lists.freedesktop.org
        Regression: No

Sorry, didn't track when exactly it happened and what i was doing at that
moment.

[ 6140.968486] ------------[ cut here ]------------
[ 6140.968493] WARNING: CPU: 0 PID: 2911 at
drivers/gpu/drm/i915/intel_display.c:1231
assert_cursor.constprop.76+0x99/0xa0()
[ 6140.968495] cursor on pipe A assertion failure (expected off, current on)
[ 6140.968496] Modules linked in: ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat
uvcvideo videobuf2_vmalloc snd_usb_audio snd_usbmidi_lib snd_rawmidi
snd_seq_device videobuf2_dma_contig snd_hda_codec_hdmi snd_hda_codec_via
snd_hda_codec_generic videobuf2_dma_sg videobuf2_memops videobuf2_core
snd_hda_intel snd_hda_controller v4l2_common videodev snd_hda_codec
x86_pkg_temp_thermal snd_hwdep snd_pcm snd_timer snd soundcore [last unloaded:
solo6x10]
[ 6140.968511] CPU: 0 PID: 2911 Comm: X Tainted: G         C    
3.16.0-rc4-next-20140707-zver #11
[ 6140.968512] Hardware name: System manufacturer System Product Name/P8H77-V,
BIOS 0501 02/28/2012
[ 6140.968514]  0000000000000009 ffff88020f4a79b8 ffffffff8177bce1
0000000000000001
[ 6140.968516]  ffff88020f4a7a08 ffff88020f4a79f8 ffffffff8108ea97
ffff88020f4a79e8
[ 6140.968517]  0000000000000000 0000000000000000 0000000000000000
ffff880215e74000
[ 6140.968519] Call Trace:
[ 6140.968524]  [<ffffffff8177bce1>] dump_stack+0x4f/0x7c
[ 6140.968528]  [<ffffffff8108ea97>] warn_slowpath_common+0x87/0xb0
[ 6140.968530]  [<ffffffff8108eb61>] warn_slowpath_fmt+0x41/0x50
[ 6140.968532]  [<ffffffff814e1609>] assert_cursor.constprop.76+0x99/0xa0
[ 6140.968534]  [<ffffffff814e5324>] intel_enable_pipe+0x44/0x1f0
[ 6140.968536]  [<ffffffff814ec240>] ironlake_crtc_enable+0x250/0xfc0
[ 6140.968539]  [<ffffffff814bac38>] ? i915_gem_object_pin_fence+0x28/0xb0
[ 6140.968541]  [<ffffffff814e85c2>] __intel_set_mode+0x862/0x1650
[ 6140.968544]  [<ffffffff814f0cc1>] intel_set_mode+0x11/0x30
[ 6140.968546]  [<ffffffff814f1c7a>] intel_crtc_set_config+0x94a/0xf80
[ 6140.968550]  [<ffffffff81482b04>] drm_mode_set_config_internal+0x64/0xf0
[ 6140.968552]  [<ffffffff81486299>] drm_mode_setcrtc+0xd9/0x590
[ 6140.968555]  [<ffffffff81476404>] drm_ioctl+0x1a4/0x650
[ 6140.968557]  [<ffffffff814861c0>] ? drm_mode_setplane+0x1f0/0x1f0
[ 6140.968560]  [<ffffffff811b598e>] do_vfs_ioctl+0x7e/0x510
[ 6140.968563]  [<ffffffff8135664f>] ? file_has_perm+0x8f/0xa0
[ 6140.968565]  [<ffffffff811bfab4>] ? __fget+0x74/0xb0
[ 6140.968567]  [<ffffffff811b5eb1>] SyS_ioctl+0x91/0xb0
[ 6140.968571]  [<ffffffff817843d2>] system_call_fastpath+0x16/0x1b
[ 6140.968572] ---[ end trace f11733452fd6431f ]---

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