[ 74.022726] WARNING: CPU: 0 PID: 664 at drivers/gpu/drm/i915/intel_display.c:11930 intel_disable_plane+0x81/0x90() [ 74.022731] WARN_ON(!plane->crtc) [ 74.022735] CPU: 0 PID: 664 Comm: Xorg Tainted: G W 3.18.0+ #156 [ 74.022740] Hardware name: Intel Corporation 2012 Client Platform/Emerald Lake 2, BIOS ACRVMBY1.86C.0078.P00.1201161002 01/16/2012 [ 74.022743] 0000000000000009 ffff880251f03a48 ffffffff8156986c 0000000000003713 [ 74.022754] ffff880251f03a98 ffff880251f03a88 ffffffff8108ba3c 0000000000000000 [ 74.022764] ffff880255bab390 0000000000000001 0000000000000001 ffff880255bab000 [ 74.022773] Call Trace: [ 74.022780] [<ffffffff8156986c>] dump_stack+0x46/0x58 [ 74.022786] [<ffffffff8108ba3c>] warn_slowpath_common+0x7c/0xa0 [ 74.022791] [<ffffffff8108bad6>] warn_slowpath_fmt+0x46/0x50 [ 74.022795] [<ffffffff813d0c1f>] ? ironlake_crtc_disable+0x13f/0x790 [ 74.022800] [<ffffffff813c1791>] intel_disable_plane+0x81/0x90 [ 74.022803] [<ffffffff813cf46e>] ? ironlake_crtc_off+0xe/0x10 [ 74.022807] [<ffffffff813d20cf>] __intel_set_mode+0x8ef/0xb80 [ 74.022811] [<ffffffff813d81e9>] ? intel_crtc_set_config+0x109/0xfe0 [ 74.022814] [<ffffffff813d8ceb>] intel_crtc_set_config+0xc0b/0xfe0 [ 74.022823] [<ffffffff8135a6b6>] drm_mode_set_config_internal+0x66/0x100 [ 74.022828] [<ffffffff8135ac63>] drm_mode_setcrtc+0x283/0x570 [ 74.022833] [<ffffffff8134efa7>] drm_ioctl+0x197/0x660 [ 74.022838] [<ffffffff810b6538>] ? update_curr+0xe8/0x140 [ 74.022842] [<ffffffff810b4b29>] ? arch_vtime_task_switch+0x79/0xb0 [ 74.022846] [<ffffffff810b4503>] ? account_system_time+0x83/0x180 [ 74.022850] [<ffffffff81183e88>] do_vfs_ioctl+0x2c8/0x490 [ 74.022856] [<ffffffff810d26e3>] ? rcu_eqs_enter+0xa3/0xb0 [ 74.022859] [<ffffffff810b4115>] ? local_clock+0x25/0x30 [ 74.022863] [<ffffffff810b4475>] ? account_user_time+0x85/0x90 [ 74.022866] [<ffffffff81184091>] SyS_ioctl+0x41/0x80 [ 74.022871] [<ffffffff8156f416>] system_call_fastpath+0x16/0x1b
*** Bug 88315 has been marked as a duplicate of this bug. ***
Chris, the code originating this is gone since commit ea2c67bb4affa84080c616920f3899f123786e56 Author: Matt Roper <matthew.d.roper@intel.com> Date: Tue Dec 23 10:41:52 2014 -0800 drm/i915: Move to atomic plane helpers (v9) Is this still an issue?
I haven't seen it in a while, so maybe.
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