Description of problem: Happened at boot time. Additional info: reporter: libreport-2.2.3 WARNING: CPU: 0 PID: 266 at drivers/gpu/drm/i915/intel_display.c:902 intel_wait_for_vblank+0x209/0x210 [i915]() vblank wait timed out Modules linked in: hid_logitech_dj ums_realtek uas usb_storage i915 r8169 i2c_algo_bit drm_kms_helper mii drm video CPU: 0 PID: 266 Comm: plymouthd Not tainted 3.17.4-200.fc20.x86_64 #1 Hardware name: TOSHIBA Satellite Pro L300/Portable PC, BIOS 2.20 12/09/2009 0000000000000000 0000000064bafa59 ffff880036dffa70 ffffffff81726d2c ffff880036dffab8 ffff880036dffaa8 ffffffff81092e6d ffff880138490000 0000000000070040 000000000000000a 00000000fffb7ed2 00000000000000aa Call Trace: [<ffffffff81726d2c>] dump_stack+0x45/0x56 [<ffffffff81092e6d>] warn_slowpath_common+0x7d/0xa0 [<ffffffff81092eec>] warn_slowpath_fmt+0x5c/0x80 [<ffffffffa00d2b8b>] ? gen4_read32+0x4b/0xc0 [i915] [<ffffffffa00e3209>] intel_wait_for_vblank+0x209/0x210 [i915] [<ffffffffa011ec45>] intel_tv_detect+0x245/0x5c0 [i915] [<ffffffffa01095d6>] ? intel_dp_detect+0x126/0x220 [i915] [<ffffffffa005ab03>] drm_helper_probe_single_connector_modes_merge_bits+0x2c3/0x3d0 [drm_kms_helper] [<ffffffffa005ac23>] drm_helper_probe_single_connector_modes+0x13/0x20 [drm_kms_helper] [<ffffffffa002158f>] drm_mode_getconnector+0x3ff/0x470 [drm] [<ffffffff811f34be>] ? commit_charge+0x2e/0xb0 [<ffffffffa0013e0c>] drm_ioctl+0x1ec/0x660 [drm] [<ffffffff81212e50>] do_vfs_ioctl+0x2e0/0x4a0 [<ffffffff81213091>] SyS_ioctl+0x81/0xa0 [<ffffffff8172e3e9>] system_call_fastpath+0x16/0x1b
Created attachment 965101 [details] File: dmesg
*** This bug has been marked as a duplicate of bug 1144620 ***