Description of problem: I downloaded a series of updates one of which was a new kernel 4.3.3 and installed. On a reboot I entered my password for the userid and the screen hung. The gnome desktop did not start. I was forced to power the machine off and one to restart. Reverted back to kernel 4.2.8 and all works seamlessly. Additional info: reporter: libreport-2.6.3 WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/drm_irq.c:924 drm_vblank_count_and_time+0x74/0x80 [drm]() Modules linked in: fuse xt_CHECKSUM ipt_MASQUERADE nf_nat_masquerade_ipv4 tun ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack ebtable_filter ebtable_broute bridge stp llc ebtable_nat ebtables ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_security ip6table_mangle ip6table_raw ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_security iptable_mangle iptable_raw snd_seq_midi snd_seq_midi_event snd_hda_codec_realtek snd_hda_codec_generic usblp snd_ca0106 snd_rawmidi snd_hda_intel snd_ac97_codec snd_hda_codec snd_hda_core ac97_bus snd_hwdep snd_seq snd_seq_device snd_pcm snd_timer snd soundcore kvm_amd kvm crct10dif_pclmul crc32_pclmul crc32c_intel k10temp i2c_piix4 shpchp acpi_cpufreq ata_generic pata_acpi nouveau serio_raw pata_atiixp mxm_wmi wmi i2c_algo_bit drm_kms_helper r8169 ttm mii drm video fjes uas usb_storage CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.3.3-300.fc23.x86_64 #1 Hardware name: NOVATECH LTD MBB-64004H/F2A88XM-DS2, BIOS F7 06/24/2014 0000000000000000 8ca6a5ee1ea69220 ffff88013ec03a68 ffffffff813a626f 0000000000000000 ffff88013ec03aa0 ffffffff810a07c2 ffff8801388ba800 ffff880036b980c0 ffff88013ec03ad0 00000000ffffffff ffff8800360aa000 Call Trace: <IRQ> [<ffffffff813a626f>] dump_stack+0x44/0x55 [<ffffffff810a07c2>] warn_slowpath_common+0x82/0xc0 [<ffffffff810a090a>] warn_slowpath_null+0x1a/0x20 [<ffffffffa003cc24>] drm_vblank_count_and_time+0x74/0x80 [drm] [<ffffffffa003d495>] drm_send_vblank_event+0x85/0x90 [drm] [<ffffffffa01a143b>] nouveau_finish_page_flip+0x7b/0x130 [nouveau] [<ffffffffa01a152b>] nouveau_flip_complete+0x3b/0x220 [nouveau] [<ffffffff813bab95>] ? find_next_bit+0x15/0x20 [<ffffffff813a5ff1>] ? cpumask_next_and+0x31/0x50 [<ffffffff810db375>] ? update_sd_lb_stats+0x115/0x530 [<ffffffffa00ffcf3>] nvif_notify+0xa3/0x180 [nouveau] [<ffffffffa019606f>] nvkm_client_ntfy+0x5f/0x70 [nouveau] [<ffffffffa00fffd5>] nvkm_client_notify+0x25/0x30 [nouveau] [<ffffffffa0102da6>] nvkm_notify_send+0x86/0x140 [nouveau] [<ffffffffa0100e1e>] nvkm_event_send+0xce/0xf0 [nouveau] [<ffffffffa01928fd>] nvkm_sw_chan_mthd+0x4d/0x60 [nouveau] [<ffffffffa0191f18>] nvkm_sw_mthd+0xb8/0xe0 [nouveau] [<ffffffffa01626e4>] nv04_fifo_intr+0x6c4/0x830 [nouveau] [<ffffffffa0161887>] nvkm_fifo_intr+0x17/0x20 [nouveau] [<ffffffffa01006dc>] nvkm_engine_intr+0x1c/0x20 [nouveau] [<ffffffffa01044e7>] nvkm_subdev_intr+0x17/0x20 [nouveau] [<ffffffffa0141f56>] nvkm_mc_intr+0x76/0x110 [nouveau] [<ffffffffa0146615>] nvkm_pci_intr+0x55/0x90 [nouveau] [<ffffffff810f8654>] handle_irq_event_percpu+0x74/0x180 [<ffffffff810f8790>] handle_irq_event+0x30/0x60 [<ffffffff810fb98f>] handle_edge_irq+0x6f/0x130 [<ffffffff81017d63>] handle_irq+0x73/0x120 [<ffffffff810bfd4a>] ? atomic_notifier_call_chain+0x1a/0x20 [<ffffffff8178450b>] do_IRQ+0x4b/0xd0 [<ffffffff81782107>] common_interrupt+0x87/0x87 <EOI> [<ffffffff81060616>] ? native_safe_halt+0x6/0x10 [<ffffffff8145a3e4>] arch_safe_halt+0x9/0xd [<ffffffff8145ab22>] acpi_safe_halt+0x22/0x2b [<ffffffff8145ab4b>] acpi_idle_do_entry+0x20/0x30 [<ffffffff8145b00b>] acpi_idle_enter+0x1e3/0x219 [<ffffffff8161f984>] cpuidle_enter_state+0xf4/0x270 [<ffffffff8161fb37>] cpuidle_enter+0x17/0x20 [<ffffffff810e26b2>] call_cpuidle+0x32/0x60 [<ffffffff8161fb13>] ? cpuidle_select+0x13/0x20 [<ffffffff810e2946>] cpu_startup_entry+0x266/0x320 [<ffffffff81775aec>] rest_init+0x7c/0x80 [<ffffffff81d5c01e>] start_kernel+0x498/0x4b9 [<ffffffff81d5b120>] ? early_idt_handler_array+0x120/0x120 [<ffffffff81d5b339>] x86_64_start_reservations+0x2a/0x2c [<ffffffff81d5b485>] x86_64_start_kernel+0x14a/0x16d
Created attachment 1114705 [details] File: dmesg
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Fedora 23 changed to end-of-life (EOL) status on 2016-12-20. Fedora 23 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.