Oct 6 17:52:45 Main-PC kernel: [ 88.605940] BUG: unable to handle kernel NULL pointer dereference at (null) Oct 6 17:52:45 Main-PC kernel: [ 88.606042] IP: dce110_vblank_set+0x59/0xb0 [amdgpu] Oct 6 17:52:45 Main-PC kernel: [ 88.606047] PGD 0 Oct 6 17:52:45 Main-PC kernel: [ 88.606049] P4D 0 Oct 6 17:52:45 Main-PC kernel: [ 88.606052] Oct 6 17:52:45 Main-PC kernel: [ 88.606059] Oops: 0000 [#1] SMP Oct 6 17:52:45 Main-PC kernel: [ 88.606064] Modules linked in: rfcomm bnep binfmt_misc intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel dm_crypt kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc snd_seq_midi snd_seq_midi_event aesni_intel aes_x86_64 crypto_simd glue_helper cryptd snd_hda_codec_realtek intel_cstate intel_rapl_perf snd_hda_codec_generic snd_rawmidi snd_hda_codec_h dmi snd_seq input_leds snd_hda_intel joydev serio_raw snd_hda_codec snd_hda_core snd_hwdep snd_seq_device snd_pcm snd_timer btusb snd btrtl soundcore mei_me shpchp mei hci_uart btbcm serdev btqca btintel bluetoo th ecdh_generic intel_lpss_acpi intel_lpss mac_hid acpi_als tpm_infineon kfifo_buf acpi_pad industrialio parport_pc ppdev lp parport ip_tables x_tables autofs4 hid_generic uas usb_storage usbhid amdkfd amd_iommu _v2 Oct 6 17:52:45 Main-PC kernel: [ 88.606147] amdgpu chash i2c_algo_bit ttm drm_kms_helper e1000e syscopyarea sysfillrect sysimgblt fb_sys_fops ptp r8169 pps_core drm mii ahci libahci wmi pinctrl_sunrisepoint video i2c_hid pinctrl_intel hid Oct 6 17:52:45 Main-PC kernel: [ 88.606175] CPU: 6 PID: 1489 Comm: xfwm4 Tainted: G W 4.13.5+ #1 Oct 6 17:52:45 Main-PC kernel: [ 88.606178] Hardware name: Gigabyte Technology Co., Ltd. B250-HD3P/B250-HD3P-CF, BIOS F3 12/07/2016 Oct 6 17:52:45 Main-PC kernel: [ 88.606182] task: ffff8a625429b900 task.stack: ffffae59c2fdc000 Oct 6 17:52:45 Main-PC kernel: [ 88.606244] RIP: 0010:dce110_vblank_set+0x59/0xb0 [amdgpu] Oct 6 17:52:45 Main-PC kernel: [ 88.606247] RSP: 0018:ffffae59c2fdfb28 EFLAGS: 00010086 Oct 6 17:52:45 Main-PC kernel: [ 88.606251] RAX: ffff8a623fe00000 RBX: 0000000000000001 RCX: 0000000000000000 Oct 6 17:52:45 Main-PC kernel: [ 88.606254] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 Oct 6 17:52:45 Main-PC kernel: [ 88.606256] RBP: ffffae59c2fdfb50 R08: 0000000000000000 R09: 0000000000000000 Oct 6 17:52:45 Main-PC kernel: [ 88.606259] R10: fffffffffffffff2 R11: 00000000fffffff2 R12: ffff8a6250d79c80 Oct 6 17:52:45 Main-PC kernel: [ 88.606261] R13: ffff8a626bc18600 R14: ffffffffc04551e0 R15: ffff8a62508a4000 Oct 6 17:52:45 Main-PC kernel: [ 88.606265] FS: 00007f5018552a80(0000) GS:ffff8a626ed80000(0000) knlGS:0000000000000000 Oct 6 17:52:45 Main-PC kernel: [ 88.606268] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Oct 6 17:52:45 Main-PC kernel: [ 88.606271] CR2: 0000000000000000 CR3: 00000004180c9000 CR4: 00000000003406e0 Oct 6 17:52:45 Main-PC kernel: [ 88.606274] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Oct 6 17:52:45 Main-PC kernel: [ 88.606277] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Oct 6 17:52:45 Main-PC kernel: [ 88.606279] Call Trace: Oct 6 17:52:45 Main-PC kernel: [ 88.606341] dal_irq_service_set+0x6f/0x90 [amdgpu] Oct 6 17:52:45 Main-PC kernel: [ 88.606399] dc_interrupt_set+0x24/0x30 [amdgpu] Oct 6 17:52:45 Main-PC kernel: [ 88.606473] amdgpu_dm_set_crtc_irq_state+0x35/0x60 [amdgpu] Oct 6 17:52:45 Main-PC kernel: [ 88.606532] amdgpu_irq_update+0x55/0xa0 [amdgpu] Oct 6 17:52:45 Main-PC kernel: [ 88.606588] amdgpu_irq_get+0x49/0x60 [amdgpu] Oct 6 17:52:45 Main-PC kernel: [ 88.606629] amdgpu_enable_vblank_kms+0x27/0x30 [amdgpu] Oct 6 17:52:45 Main-PC kernel: [ 88.606645] drm_vblank_enable+0x84/0x100 [drm] Oct 6 17:52:45 Main-PC kernel: [ 88.606658] drm_vblank_get+0x92/0xb0 [drm] Oct 6 17:52:45 Main-PC kernel: [ 88.606670] drm_wait_vblank_ioctl+0xba/0x5b0 [drm] Oct 6 17:52:45 Main-PC kernel: [ 88.606677] ? import_iovec+0x3a/0xe0 Oct 6 17:52:45 Main-PC kernel: [ 88.606684] ? unix_stream_recvmsg+0x54/0x70 Oct 6 17:52:45 Main-PC kernel: [ 88.606690] ? unix_state_double_lock+0x70/0x70 Oct 6 17:52:45 Main-PC kernel: [ 88.606702] ? drm_legacy_modeset_ctl_ioctl+0x100/0x100 [drm] Oct 6 17:52:45 Main-PC kernel: [ 88.606715] drm_ioctl_kernel+0x69/0xb0 [drm] Oct 6 17:52:45 Main-PC kernel: [ 88.606727] drm_ioctl+0x33c/0x3f0 [drm] Oct 6 17:52:45 Main-PC kernel: [ 88.606738] ? drm_legacy_modeset_ctl_ioctl+0x100/0x100 [drm] Oct 6 17:52:45 Main-PC kernel: [ 88.606780] amdgpu_drm_ioctl+0x4f/0x90 [amdgpu] Oct 6 17:52:45 Main-PC kernel: [ 88.606787] do_vfs_ioctl+0xa3/0x610 Oct 6 17:52:45 Main-PC kernel: [ 88.606792] ? __sys_recvmsg+0x51/0x90 Oct 6 17:52:45 Main-PC kernel: [ 88.606795] ? __sys_recvmsg+0x51/0x90 Oct 6 17:52:45 Main-PC kernel: [ 88.606802] SyS_ioctl+0x79/0x90 Oct 6 17:52:45 Main-PC kernel: [ 88.606806] entry_SYSCALL_64_fastpath+0x1e/0xa9 Oct 6 17:52:45 Main-PC kernel: [ 88.606810] RIP: 0033:0x7f5014c6d587 Oct 6 17:52:45 Main-PC kernel: [ 88.606813] RSP: 002b:00007ffe34170958 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 Oct 6 17:52:45 Main-PC kernel: [ 88.606817] RAX: ffffffffffffffda RBX: 0000562aec72b650 RCX: 00007f5014c6d587 Oct 6 17:52:45 Main-PC kernel: [ 88.606820] RDX: 00007ffe341709d0 RSI: 00000000c018643a RDI: 0000000000000006 Oct 6 17:52:45 Main-PC kernel: [ 88.606822] RBP: 00007ffe34170864 R08: 00000000006001e5 R09: 0000000000000000 Oct 6 17:52:45 Main-PC kernel: [ 88.606825] R10: 00007ffe34170910 R11: 0000000000000246 R12: 0000562aec72b668 Oct 6 17:52:45 Main-PC kernel: [ 88.606827] R13: 00007ffe34170868 R14: 0000000000000001 R15: 00007ffe34170770 Oct 6 17:52:45 Main-PC kernel: [ 88.606831] Code: 84 db 74 34 83 e8 4e be 02 00 00 00 0f b6 d0 48 89 d0 48 c1 e0 04 48 29 d0 48 c1 e0 06 49 03 87 38 01 00 00 48 8b b8 68 02 00 00 <48> 8b 07 ff 90 d8 00 00 00 84 c0 74 1e 0f b6 d3 4c 89 f6 4c 89 Oct 6 17:52:45 Main-PC kernel: [ 88.606954] RIP: dce110_vblank_set+0x59/0xb0 [amdgpu] RSP: ffffae59c2fdfb28 Oct 6 17:52:45 Main-PC kernel: [ 88.606957] CR2: 0000000000000000 Oct 6 17:52:45 Main-PC kernel: [ 88.606961] ---[ end trace afd0d6685dd56a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