Re: [regression] [git pull] drm for 4.3

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On Wed, Sep 30, 2015 at 08:56:26AM +0200, Daniel Vetter wrote:

 > > The warning on boot seems to be gone as of rc3, but I can now trigger this pretty easily..
 > 
 > http://patchwork.freedesktop.org/patch/60618/

Back from several weeks of travel..  I tried again with rc6, and
I'm still seeing the same traces.

	Dave


 > > WARNING: CPU: 2 PID: 28911 at drivers/gpu/drm/drm_atomic.c:889 drm_atomic_get_property+0x244/0x2d0()
 > > CPU: 2 PID: 28911 Comm: trinity-c313 Not tainted 4.3.0-rc3-think+ #14
 > >  0000000000000379 ffff8801a1377c88 ffffffff8e35d5ec 0000000000000000
 > >  ffff8801a1377cc0 ffffffff8e07a862 ffff880500b392b8 ffff880500a13008
 > >  ffff880500b39290 ffff8804fe3806d8 ffff88003fa45668 ffff8801a1377cd0
 > > Call Trace:
 > >  [<ffffffff8e35d5ec>] dump_stack+0x4e/0x82
 > >  [<ffffffff8e07a862>] warn_slowpath_common+0x82/0xc0
 > >  [<ffffffff8e07a95a>] warn_slowpath_null+0x1a/0x20
 > >  [<ffffffff8e48efc4>] drm_atomic_get_property+0x244/0x2d0
 > >  [<ffffffff8e47c7fc>] drm_object_property_get_value+0x6c/0x70
 > >  [<ffffffff8e47a41f>] dpms_show+0x2f/0x70
 > >  [<ffffffff8e54ce30>] dev_attr_show+0x20/0x50
 > >  [<ffffffff8e27ae91>] ? sysfs_file_ops+0x41/0x60
 > >  [<ffffffff8e27b1a7>] sysfs_kf_seq_show+0xb7/0x110
 > >  [<ffffffff8e2799a6>] kernfs_seq_show+0x26/0x30
 > >  [<ffffffff8e21bba6>] seq_read+0xe6/0x430
 > >  [<ffffffff8e27a3f7>] kernfs_fop_read+0x127/0x170
 > >  [<ffffffff8e7e987b>] ? mutex_lock_nested+0x26b/0x3f0
 > >  [<ffffffff8e1f3af8>] __vfs_read+0x28/0xe0
 > >  [<ffffffff8e7e9897>] ? mutex_lock_nested+0x287/0x3f0
 > >  [<ffffffff8e214c09>] ? __fdget_pos+0x49/0x50
 > >  [<ffffffff8e214c09>] ? __fdget_pos+0x49/0x50
 > >  [<ffffffff8e1f43c6>] vfs_read+0x86/0x130
 > >  [<ffffffff8e1f50a9>] SyS_read+0x49/0xb0
 > >  [<ffffffff8e7eded7>] entry_SYSCALL_64_fastpath+0x12/0x6f
 > > ---[ end trace e053063c697a1355 ]---
 > > 
 > >  887         case DRM_MODE_OBJECT_CONNECTOR: {
 > >  888                 struct drm_connector *connector = obj_to_connector(obj);
 > >  889                 WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex));
 > >  890                 ret = drm_atomic_connector_get_property(connector,
 > >  891                                 connector->state, property, val);
 > >  892                 break;
 > >  893         }
 > > 
 > > _______________________________________________
 > > dri-devel mailing list
 > > dri-devel@xxxxxxxxxxxxxxxxxxxxx
 > > http://lists.freedesktop.org/mailman/listinfo/dri-devel
 > 
 > -- 
 > Daniel Vetter
 > Software Engineer, Intel Corporation
 > http://blog.ffwll.ch
---end quoted text---
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