==System Environment== -------------------------- Regression: yes will bisect later. no-working platforms: ILK ==kernel== -------------------------- drm-intel-testing/e0f77e2aeee065f8530ef87a9842fee5e89ea681 ==Bug detailed description== ----------------------------- start with eDP, and plug/unplug DP monitor will cause dmesg error. [ 241.744627] WARNING: CPU: 1 PID: 3717 at drivers/gpu/drm/drm_irq.c:1129 drm_wait_one_vblank+0x35/0x141 [drm]() [ 241.744831] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_idt snd_hda_codec_generic firewire_ohci i2c_i801 snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep lpc_ich mfd_core firewire_core crc_itu_t snd_pcm snd_timer bcma snd soundcore dm_mod parport_pc parport tpm_tis tpm wmi battery ac acpi_cpufreq joydev i915 button video drm_kms_helper drm cfbfillrect cfbimgblt cfbcopyarea [ 241.745620] CPU: 1 PID: 3717 Comm: kworker/1:3 Tainted: G W 3.19.0-rc6_drm-intel-testing_e0f77e_20150131_+ #150 [ 241.746755] [<f811b4ba>] ? drm_wait_one_vblank+0x35/0x141 [drm] [ 241.746973] [<f811b4ba>] drm_wait_one_vblank+0x35/0x141 [drm] [ 241.748353] [<f812ce6d>] ? kfree_state+0x42/0x45 [drm] [ 241.748626] [<f812051b>] ? drm_mode_plane_set_obj_prop+0x47/0x5a [drm] [ 241.748691] [<f81212a7>] drm_mode_set_config_internal+0x47/0xb2 [drm] [ 241.748804] [<f80f66ab>] restore_fbdev_mode+0xa5/0xc4 [drm_kms_helper] [ 241.748927] [<f80f77b5>] drm_fb_helper_restore_fbdev_mode_unlocked+0x1f/0x4c [drm_kms_helper] [ 241.749079] [<f80f7812>] drm_fb_helper_set_par+0x30/0x34 [drm_kms_helper] [ 241.749207] [<f80f778d>] drm_fb_helper_hotplug_event+0x92/0x9b [drm_kms_helper] [ 241.756648] [<f80ef979>] drm_kms_helper_hotplug_event+0x21/0x24 [drm_kms_helper] ==Reproduce steps== ---------------------------- 1. start with eDP 2. Plug DP monior. 3. Unplyg DP monitor. 4. Check dmesg.
Created attachment 113089 [details] dmesg
Many DP testdisplay cases have similar warning in dmesg.
I fixed a bunch of issues with PCH modeset sequence and ILK in particular. Are you still getting these with the latest nightly?
(In reply to Ville Syrjala from comment #3) > I fixed a bunch of issues with PCH modeset sequence and ILK in particular. > Are you still getting these with the latest nightly? Presumed fixed. Please reopen if the problem persists with latest kernels.
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