linux-kernel - Re: [Intel-gfx] [-next] WARNING at i915_gem_track

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Date:	Mon, 13 Jul 2015 23:57:40 +0900
From:	Sergey Senozhatsky <sergey.senozhatsky@...il.com>
To:	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>
Cc:	Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
	David Airlie <airlied@...ux.ie>,
	Daniel Vetter <daniel.vetter@...el.com>,
	intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org
Subject: Re: [Intel-gfx] [-next] WARNING at i915_gem_track_fb

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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