Description of problem: close lid, open lid, log in Additional info: reporter: libreport-2.2.3 WARNING: CPU: 0 PID: 156 at drivers/gpu/drm/i915/intel_panel.c:789 i965_enable_backlight+0x132/0x160 [i915]() backlight already enabled Modules linked in: i915(+) i2c_algo_bit drm_kms_helper drm i2c_core video CPU: 0 PID: 156 Comm: systemd-udevd Not tainted 3.16.2-201.fc20.x86_64 #1 Hardware name: Acer Aspire 5734Z /Aspire 5734Z , BIOS V1.02 05/20/2010 0000000000000000 0000000032ef0a7f ffff88003743f278 ffffffff81706e31 ffff88003743f2c0 ffff88003743f2b0 ffffffff8108d0ad ffff8801388f0000 ffff8800374de000 0000000000000000 00000000c0000000 ffff8800b5fade00 Call Trace: [<ffffffff81706e31>] dump_stack+0x45/0x56 [<ffffffff8108d0ad>] warn_slowpath_common+0x7d/0xa0 [<ffffffff8108d12c>] warn_slowpath_fmt+0x5c/0x80 [<ffffffffa00bb37e>] ? gen4_read32+0x4e/0xc0 [i915] [<ffffffffa00face2>] i965_enable_backlight+0x132/0x160 [i915] [<ffffffffa00fbdc2>] intel_panel_enable_backlight+0x82/0xd0 [i915] [<ffffffffa00bb1d0>] ? gen4_write8+0xb0/0xb0 [i915] [<ffffffffa00f9943>] intel_enable_lvds+0x183/0x1a0 [i915] [<ffffffffa00cd9a3>] i9xx_crtc_enable+0x3e3/0x490 [i915] [<ffffffffa00d2332>] __intel_set_mode+0x812/0x1590 [i915] [<ffffffff810d3f18>] ? __wake_up_common+0x58/0x90 [<ffffffffa00d5756>] intel_set_mode+0x16/0x30 [i915] [<ffffffffa00d668d>] intel_crtc_set_config+0x8ed/0xdb0 [i915] [<ffffffffa00416a1>] drm_mode_set_config_internal+0x61/0xe0 [drm] [<ffffffffa0009ca3>] restore_fbdev_mode+0xb3/0xe0 [drm_kms_helper] [<ffffffffa0009cf3>] drm_fb_helper_restore_fbdev_mode_unlocked+0x23/0x40 [drm_kms_helper] [<ffffffffa000b928>] drm_fb_helper_set_par+0x28/0x70 [drm_kms_helper] [<ffffffff813c6a04>] fbcon_init+0x4f4/0x580 [<ffffffff81443728>] visual_init+0xb8/0x120 [<ffffffff81445e63>] do_bind_con_driver+0x163/0x330 [<ffffffff814465e4>] do_take_over_console+0x114/0x1c0 [<ffffffff813c20e3>] do_fbcon_takeover+0x63/0xd0 [<ffffffff813c74ad>] fbcon_event_notify+0x68d/0x7e0 [<ffffffff810b496c>] notifier_call_chain+0x4c/0x70 [<ffffffff810b4ccd>] __blocking_notifier_call_chain+0x4d/0x70 [<ffffffff810b4d06>] blocking_notifier_call_chain+0x16/0x20 [<ffffffff813cdf0b>] fb_notifier_call_chain+0x1b/0x20 [<ffffffff813d00e6>] register_framebuffer+0x1f6/0x340 [<ffffffffa000bc7e>] drm_fb_helper_initial_config+0x30e/0x4d0 [drm_kms_helper] [<ffffffffa00bb222>] ? gen4_write32+0x52/0xb0 [i915] [<ffffffffa00e21bf>] intel_fbdev_initial_config+0x1f/0x30 [i915] [<ffffffffa0105c7a>] i915_driver_load+0xf7a/0x1000 [i915] [<ffffffff813616b8>] ? kobject_uevent_env+0x178/0x550 [<ffffffff8146da07>] ? get_device+0x17/0x30 [<ffffffff814734d5>] ? klist_class_dev_get+0x15/0x20 [<ffffffff816f8642>] ? klist_add_tail+0x32/0x40 [<ffffffff8146f389>] ? device_add+0x219/0x630 [<ffffffffa003f4a6>] ? drm_sysfs_device_add+0xd6/0x120 [drm] [<ffffffffa003b94d>] drm_dev_register+0xad/0x100 [drm] [<ffffffffa003e51f>] drm_get_pci_dev+0x8f/0x1f0 [drm] [<ffffffffa007b4bb>] i915_pci_probe+0x3b/0x60 [i915] [<ffffffff813a0585>] local_pci_probe+0x45/0xa0 [<ffffffff813a1899>] pci_device_probe+0xf9/0x150 [<ffffffff8147268d>] driver_probe_device+0x12d/0x3d0 [<ffffffff81472a03>] __driver_attach+0x93/0xa0 [<ffffffff81472970>] ? __device_attach+0x40/0x40 [<ffffffff81470533>] bus_for_each_dev+0x73/0xc0 [<ffffffff8147208e>] driver_attach+0x1e/0x20 [<ffffffff81471c70>] bus_add_driver+0x180/0x250 [<ffffffff814731e4>] driver_register+0x64/0xf0 [<ffffffff8139ff1c>] __pci_register_driver+0x4c/0x50 [<ffffffffa003e78a>] drm_pci_init+0x10a/0x140 [drm] [<ffffffffa0159000>] ? 0xffffffffa0158fff [<ffffffffa0159089>] i915_init+0x89/0x90 [i915] [<ffffffff81002144>] do_one_initcall+0xd4/0x210 [<ffffffff811d570f>] ? kfree+0xff/0x140 [<ffffffff811bbc82>] ? __vunmap+0xb2/0x100 [<ffffffff811092cb>] load_module+0x1d9b/0x25f0 [<ffffffff81104fe0>] ? store_uevent+0x70/0x70 [<ffffffff811f95e0>] ? kernel_read+0x50/0x80 [<ffffffff81109cd6>] SyS_finit_module+0xa6/0xd0 [<ffffffff8170e469>] system_call_fastpath+0x16/0x1b
Created attachment 941253 [details] File: dmesg
*** Bug 1101570 has been marked as a duplicate of this bug. ***
*** Bug 1128670 has been marked as a duplicate of this bug. ***
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Fedora 20 changed to end-of-life (EOL) status on 2015-06-23. Fedora 20 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. If you are unable to reopen this bug, please file a new report against the current release. If you experience problems, please add a comment to this bug. Thank you for reporting this bug and we are sorry it could not be fixed.