Plug-in HDMI connecter after Ubuntu linux boot. No HDMI signal output on monitor and kernel Call Trace. kernel call trace message as below, [ 1399.810589] ------------[ cut here ]------------ [ 1399.815507] WARNING: CPU: 1 PID: 32721 at /source/linux-4.1.0/drivers/gpu/drm/i915/intel_display.c:1846 vlv_wait_port_ready+0x105/0x111 [i915]() [ 1399.831828] timed out waiting for port D ready: 0x0000000f [ 1399.837510] Modules linked in: snd_seq_midi snd_usb_audio snd_usbmidi_lib snd_rawmidi snd_seq_midi_event snd_seq snd_seq_device cryptodev(O) iptable_filter ip_tables x_tables iscsi_scst(O) scst_vdisk(O) scst(O) snd_hda_codec_hdmi i915 drm_kms_helper drm snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm snd_timer snd snd_hda_core isofs udf crc_itu_t sr_mod cdrom quota_v2 quota_tree dm_crypt [last unloaded: bluetooth] [ 1399.878383] CPU: 1 PID: 32721 Comm: X Tainted: G O 4.1.0 #1 [ 1399.885393] Hardware name: Insyde AS61xx/Type2 - Board Product Name, BIOS V1.09 06/03/2015 [ 1399.894076] 0000000000000736 ffff880177783948 ffffffff8151fa98 0000000000002df3 [ 1399.901914] ffff880177783998 ffff880177783988 ffffffff810531f1 ffffffff810966a7 [ 1399.909705] ffffffffa01a71d5 ffff880178810000 000000000000000f 0000000000186240 [ 1399.917499] Call Trace: [ 1399.920032] [<ffffffff8151fa98>] dump_stack+0x45/0x57 [ 1399.925396] [<ffffffff810531f1>] warn_slowpath_common+0x97/0xb1 [ 1399.931606] [<ffffffff810966a7>] ? update_rmtp+0x61/0x61 [ 1399.937279] [<ffffffffa01a71d5>] ? vlv_wait_port_ready+0x105/0x111 [i915] [ 1399.944423] [<ffffffff8105329f>] warn_slowpath_fmt+0x41/0x43 [ 1399.950418] [<ffffffffa01979d0>] ? chv_read32+0x146/0x151 [i915] [ 1399.956793] [<ffffffffa01a71d5>] vlv_wait_port_ready+0x105/0x111 [i915] [ 1399.963779] [<ffffffffa01d20f1>] chv_hdmi_pre_enable+0x3df/0x3ee [i915] [ 1399.970754] [<ffffffffa01ac797>] valleyview_crtc_enable+0x1c5/0x254 [i915] [ 1399.978001] [<ffffffffa01abe1a>] __intel_set_mode+0x917/0x9b7 [i915] [ 1399.984761] [<ffffffffa00e370e>] ? drm_atomic_get_crtc_state+0x19/0xaa [drm] [ 1399.992258] [<ffffffffa01b1c2c>] intel_crtc_set_config+0x898/0xc09 [i915] [ 1399.999373] [<ffffffffa00d5f64>] ? _object_find+0x7d/0x9e [drm] [ 1400.005640] [<ffffffffa00d6b84>] drm_mode_set_config_internal+0x54/0xe0 [drm] [ 1400.013167] [<ffffffffa00daa2d>] drm_mode_setcrtc+0x47f/0x4d7 [drm] [ 1400.019726] [<ffffffffa00ce93c>] drm_ioctl+0x28c/0x3bf [drm] [ 1400.025697] [<ffffffffa00da5ae>] ? drm_mode_setplane+0x186/0x186 [drm] [ 1400.032577] [<ffffffff81123d38>] do_vfs_ioctl+0x419/0x45a [ 1400.038263] [<ffffffff811159d9>] ? fdput.isra.18+0xf/0x11 [ 1400.043963] [<ffffffff81115ae4>] ? fdput_pos.isra.22+0x29/0x30 [ 1400.050100] [<ffffffff81123db9>] SyS_ioctl+0x40/0x5f [ 1400.055370] [<ffffffff81524957>] system_call_fastpath+0x12/0x6a [ 1400.061616] ---[ end trace 301c639bb16a9228 ]---
Re-test driver version as below, this issue not fix. drm/i915 version : drm-intel-next-2015-07-03 Kernel Version: 4.1 Mesa - 10.6.0 xf86-video-intel - 2.99.917 Libdrm - 2.4.60 Libva - 1.6.0 vaapi intel-driver - 1.6.0 Cairo - 1.14.2 Xorg Xserver - 1.17.1
Presumed fixed by now, closing. Please reopen if the problem persists with latest kernels.
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