Additional info: reporter: libreport-2.2.3 WARNING: CPU: 1 PID: 247 at drivers/gpu/drm/i915/intel_panel.c:758 i9xx_enable_backlight+0xd4/0x100 [i915]() backlight already enabled Modules linked in: ata_generic(+) e1000e(+) firewire_ohci(+) yenta_socket(+) i915(+) pata_acpi firewire_core crc_itu_t i2c_algo_bit drm_kms_helper ptp drm pps_core i2c_core video CPU: 1 PID: 247 Comm: systemd-udevd Not tainted 3.16.6-200.fc20.i686 #1 Hardware name: LENOVO 17025JU/17025JU, BIOS 7BETD8WW (2.19 ) 03/31/2011 c0c8d907 d804938f 00000000 f6aa96e4 c0a01dfe f6aa9724 f6aa9714 c045073e f82dd0bb f6aa9744 000000f7 f82d6780 000002f6 f82adf74 f82adf74 f60a0000 f6b92400 f6b91c00 f6aa9730 c045079e 00000009 f6aa9724 f82dd0bb f6aa9744 Call Trace: [<c0a01dfe>] dump_stack+0x41/0x52 [<c045073e>] warn_slowpath_common+0x7e/0xa0 [<f82adf74>] ? i9xx_enable_backlight+0xd4/0x100 [i915] [<f82adf74>] ? i9xx_enable_backlight+0xd4/0x100 [i915] [<c045079e>] warn_slowpath_fmt+0x3e/0x60 [<f82adf74>] i9xx_enable_backlight+0xd4/0x100 [i915]
Created attachment 951532 [details] File: dmesg
*** This bug has been marked as a duplicate of bug 1158220 ***