Created attachment 181901 [details] Dmesg From times to times my notebook video gets blank and I need to restart my inspiron 1525 (via ssh). The kernel log is full of (complete log is attached with debug turned on): [ 30.888687] WARNING: CPU: 1 PID: 1124 at /home/kernel/COD/linux/drivers/gpu/drm/i915/intel_display.c:5392 intel_connector_check_state+0x131/0x1e0 [i915]() [ 30.888690] wrong connector dpms state [ 30.888692] Modules linked in: ctr ccm pci_stub vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) bnep rfcomm bluetooth binfmt_misc uvcvideo snd_hda_codec_idt snd_hda_codec_hdmi videobuf2_vmalloc videobuf2_memops videobuf2_core snd_hda_codec_generic arc4 v4l2_common snd_hda_intel videodev snd_hda_controller media snd_hda_codec snd_hwdep snd_pcm dell_wmi b43 gpio_ich sparse_keymap snd_seq_midi dell_laptop snd_seq_midi_event dcdbas bcma r852 snd_rawmidi sm_common i915 mac80211 nand i8k snd_seq nand_ecc nand_bch coretemp joydev bch cfg80211 nand_ids snd_seq_device mtd snd_timer serio_raw r592 snd ssb_hcd drm_kms_helper soundcore memstick drm lpc_ich wmi parport_pc shpchp mac_hid ppdev i2c_algo_bit lp video parport psmouse firewire_ohci firewire_core ahci sdhci_pci crc_itu_t sdhci libahci pata_acpi ssb sky2 [ 30.888777] CPU: 1 PID: 1124 Comm: Xorg Tainted: G OE 3.19.8-031908-generic #201505110938 [ 30.888779] Hardware name: Dell Inc. Inspiron 1525 /0U990C, BIOS A11 03/10/2008 [ 30.888782] 00000000 00000000 f056fd2c c16e4a4d 00000000 f056fd5c c106250e f92f230c [ 30.888790] f056fd88 00000464 f92e61cc 00001510 f9285b11 f9285b11 f696f000 f0ddd000 [ 30.888798] efa62800 f056fd74 c10625f3 00000009 f056fd6c f92f230c f056fd88 f056fd98 [ 30.888806] Call Trace: [ 30.888816] [<c16e4a4d>] dump_stack+0x41/0x52 [ 30.888822] [<c106250e>] warn_slowpath_common+0x8e/0xd0 [ 30.888857] [<f9285b11>] ? intel_connector_check_state+0x131/0x1e0 [i915] [ 30.888891] [<f9285b11>] ? intel_connector_check_state+0x131/0x1e0 [i915] [ 30.888895] [<c10625f3>] warn_slowpath_fmt+0x33/0x40 [ 30.888929] [<f9285b11>] intel_connector_check_state+0x131/0x1e0 [i915] [ 30.888965] [<f929afff>] intel_modeset_check_state+0x2f/0x90 [i915] [ 30.888999] [<f929bd31>] intel_crtc_set_config+0x351/0x420 [i915] [ 30.889025] [<f8dc932e>] drm_mode_set_config_internal+0x4e/0xc0 [drm] [ 30.889047] [<f8dccc5f>] drm_mode_setcrtc+0x24f/0x4a0 [drm] [ 30.889067] [<f8dbf3dc>] drm_ioctl+0x28c/0x4a0 [drm] [ 30.889089] [<f8dcca10>] ? drm_mode_setplane+0x240/0x240 [drm] [ 30.889096] [<c11beb6b>] ? dput+0x4b/0xe0 [ 30.889101] [<c11c6c70>] ? mntput+0x20/0x30 [ 30.889118] [<f8dbf150>] ? drm_ioctl_permit+0xa0/0xa0 [drm] [ 30.889123] [<c11bb5b2>] do_vfs_ioctl+0x72/0x310 [ 30.889127] [<c11c4345>] ? __fget_light+0x25/0x60 [ 30.889132] [<c11bb8e0>] SyS_ioctl+0x90/0xa0 [ 30.889137] [<c16efc5f>] sysenter_do_call+0x12/0x12 [ 30.889140] ---[ end trace 45bf9d4e1ab8ffd8 ]--- [ 30.889142] ------------[ cut here ]------------
We seem to have neglected this bug. Apologies. If the problem persists with latest kernels, please file a bug at the freedesktop.org bugzilla [1], referencing this bug. Thank you. [1] https://bugs.freedesktop.org/enter_bug.cgi?product=DRI&component=DRM/Intel