[ 126.673258] BUG: unable to handle kernel NULL pointer dereference at 0000000000000468 [ 126.673295] IP: [] drm_dp_update_payload_part1+0x1c8/0x3f0 [drm_kms_helper] [ 126.673328] PGD 897004067 PUD 89834f067 PMD 0 [ 126.673348] Oops: 0000 [#1] SMP [ 126.673359] Modules linked in: rfcomm fuse xt_CHECKSUM ipt_MASQUERADE nf_nat_masquerade_ipv4 tun ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_broute bridge ebtable_nat ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_security ip6table_mangle ip6table_raw iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_security iptable_mangle iptable_raw ebtable_filter ebtables ip6table_filter ip6_tables cmac bnep vfat fat arc4 snd_hda_codec_hdmi iwlmvm snd_hda_codec_realtek snd_hda_codec_generic mac80211 intel_rapl x86_pkg_temp_thermal coretemp snd_hda_intel snd_hda_codec snd_hda_core kvm_intel snd_hwdep iwlwifi snd_seq kvm snd_seq_device iTCO_wdt iTCO_vendor_support irqbypass cfg80211 snd_pcm intel_cstate hci_uart btusb intel_uncore [ 126.673673] btqca btrtl btbcm snd_timer ir_lirc_codec btintel lirc_dev joydev snd mei_me i2c_i801 bluetooth mei shpchp i2c_smbus soundcore wmi intel_rapl_perf rc_rc6_mce nuvoton_cir acpi_als rc_core pinctrl_sunrisepoint rfkill pinctrl_intel kfifo_buf tpm_tis intel_lpss_acpi industrialio tpm_tis_core intel_lpss tpm acpi_pad nfsd auth_rpcgss nfs_acl lockd grace sunrpc netconsole dm_crypt 8021q garp stp llc mrp i915 crct10dif_pclmul crc32_pclmul crc32c_intel e1000e sdhci_pci i2c_algo_bit drm_kms_helper sdhci ghash_clmulni_intel mmc_core drm ptp pps_core video i2c_hid fjes [ 126.673913] CPU: 1 PID: 1765 Comm: Xorg Not tainted 4.8.8-200.fc24.x86_64 #1 [ 126.673934] Hardware name: /NUC6i7KYB, BIOS KYSKLi70.86A.0042.2016.0929.1933 09/29/2016 [ 126.673961] task: ffff9c412f1fdd00 task.stack: ffff9c4157260000 [ 126.673980] RIP: 0010:[] [] drm_dp_update_payload_part1+0x1c8/0x3f0 [drm_kms_helper] [ 126.674021] RSP: 0018:ffff9c4157263a78 EFLAGS: 00010246 [ 126.674039] RAX: ffff9c41552b5380 RBX: ffff9c41564f1698 RCX: 000000000000000e [ 126.674060] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9c41564f19e0 [ 126.674081] RBP: ffff9c4157263ad8 R08: 0000000020000408 R09: 0000000000000000 [ 126.674101] R10: 0000000000000000 R11: ffff9c4154ac0000 R12: 0000000000000000 [ 126.674121] R13: 0000000000000001 R14: 0000000000000000 R15: ffff9c41552b5380 [ 126.674143] FS: 00007f9fc11efa40(0000) GS:ffff9c417ec40000(0000) knlGS:0000000000000000 [ 126.674166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 126.674183] CR2: 0000000000000468 CR3: 0000000895f71000 CR4: 00000000003406e0 [ 126.674205] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 126.674225] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 126.674246] Stack: [ 126.674253] ffff9c41564f19e0 ffff9c4154aca2a0 ffff9c41564f16b0 0000000000000000 [ 126.674281] 0000000155b05800 ffff9c4100000000 000000003250b885 ffff9c41564f1698 [ 126.674309] ffff9c4155b6ec00 ffff9c4154ac03a8 ffff9c4154ac0000 0000000000000000 [ 126.674336] Call Trace: [ 126.674367] [] intel_mst_disable_dp+0x45/0x80 [i915] [ 126.674404] [] haswell_crtc_disable+0x174/0x290 [i915] [ 126.674441] [] intel_atomic_commit_tail+0x177/0x1050 [i915] [ 126.674478] [] ? intel_prepare_plane_fb+0x106/0x2b0 [i915] [ 126.674515] [] intel_atomic_commit+0x43e/0x550 [i915] [ 126.674547] [] ? drm_atomic_check_only+0x187/0x610 [drm] [ 126.674572] [] ? __drm_atomic_helper_crtc_duplicate_state+0x89/0xa0 [drm_kms_helper] [ 126.674613] [] drm_atomic_commit+0x37/0x60 [drm] [ 126.674637] [] drm_atomic_helper_connector_dpms+0xed/0x1a0 [drm_kms_helper] [ 126.674670] [] drm_mode_obj_set_property_ioctl+0x236/0x250 [drm] [ 126.674699] [] drm_mode_connector_property_set_ioctl+0x3f/0x60 [drm] [ 126.674727] [] drm_ioctl+0x200/0x4f0 [drm] [ 126.674751] [] ? drm_mode_obj_set_property_ioctl+0x250/0x250 [drm] [ 126.674776] [] ? enqueue_hrtimer+0x3d/0x80 [ 126.674794] [] do_vfs_ioctl+0xa3/0x5f0 [ 126.674811] [] ? __sys_recvmsg+0x51/0x90 [ 126.674830] [] SyS_ioctl+0x79/0x90 [ 126.674846] [] entry_SYSCALL_64_fastpath+0x1a/0xa4 [ 126.674865] Code: 89 4c 10 0c 4c 89 d0 48 03 83 78 03 00 00 e9 2d ff ff ff c7 40 08 00 00 00 00 4d 89 d7 4c 03 bb 78 03 00 00 f6 05 78 4f f5 ff 04 <45> 8b 9e 68 04 00 00 0f 85 c9 01 00 00 4d 85 f6 74 24 44 89 da [ 126.675025] RIP [] drm_dp_update_payload_part1+0x1c8/0x3f0 [drm_kms_helper] [ 126.675055] RSP [ 126.675066] CR2: 0000000000000468 [ 126.682096] ---[ end trace 3831c9122cbfecdd ]---