Re: [-next] WARNING at i915_gem_track_fb

Sergey Senozhatsky
2015-07-13T14:57:40Z

On (07/13/15 16:46), Maarten Lankhorst wrote:
> > [ 1239.783961] [<ffffffff813a19ac>] dump_stack+0x4c/0x65
> > [ 1239.783965] [<ffffffff81077163>] ? up+0x39/0x3e
> > [ 1239.783968] [<ffffffff8103b5d9>] warn_slowpath_common+0x9b/0xb5
> > [ 1239.783986] [<ffffffffa0533273>] ? i915_gem_track_fb+0xdc/0x106 [i915]
> > [ 1239.783987] [<ffffffff8103b639>] warn_slowpath_fmt+0x46/0x48
> > [ 1239.784002] [<ffffffffa0533273>] i915_gem_track_fb+0xdc/0x106 [i915]
> > [ 1239.784026] [<ffffffffa0575928>] intel_prepare_plane_fb+0xb1/0x101 [i915]
> > [ 1239.784033] [<ffffffffa0261f0f>] drm_atomic_helper_prepare_planes+0x5b/0xb8 [drm_kms_helper]
> > [ 1239.784055] [<ffffffffa0585596>] intel_atomic_commit+0x46/0xc0 [i915]
> > [ 1239.784072] [<ffffffffa02d2139>] drm_atomic_commit+0x4d/0x52 [drm]
> > [ 1239.784078] [<ffffffffa0262f32>] drm_atomic_helper_update_plane+0xca/0x119 [drm_kms_helper]
> > [ 1239.784092] [<ffffffffa02c7572>] __setplane_internal+0x24e/0x2ae [drm]
> > [ 1239.784103] [<ffffffffa02c771b>] drm_mode_cursor_universal+0x149/0x197 [drm]
> > [ 1239.784113] [<ffffffffa02c7e58>] ? drm_mode_setcrtc+0x428/0x428 [drm]
> > [ 1239.784122] [<ffffffffa02c781e>] drm_mode_cursor_common+0xb5/0x156 [drm]
> > [ 1239.784132] [<ffffffffa02c7e8f>] drm_mode_cursor_ioctl+0x37/0x39 [drm]
> > [ 1239.784140] [<ffffffffa02bae85>] drm_ioctl+0x287/0x415 [drm]
> > [ 1239.784143] [<ffffffff81078580>] ? __lock_is_held+0x3c/0x57
> > [ 1239.784146] [<ffffffff8114c3d1>] ? __fget+0x170/0x1a1
> > [ 1239.784148] [<ffffffff811422c1>] do_vfs_ioctl+0x455/0x4dd
> > [ 1239.784151] [<ffffffff8114c48e>] ? __fget_light+0x65/0x75
> > [ 1239.784153] [<ffffffff8114238d>] SyS_ioctl+0x44/0x63
> > [ 1239.784155] [<ffffffff813a8057>] entry_SYSCALL_64_fastpath+0x12/0x6f
> > [ 1239.784157] ---[ end trace 67b32b389e7fe7df ]---
> >
> Do you have some steps to reproduce?
>

Unfortunately no.

-ss
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