[ 4.619695] ip (2786) used greatest stack depth: 11336 bytes left [ 9.017272] r8169 0000:03:00.0 enp3s0: link up [ 9.017278] IPv6: ADDRCONF(NETDEV_CHANGE): enp3s0: link becomes ready [ 10.113632] udevd (1957) used greatest stack depth: 11016 bytes left [ 13.598748] random: crng init done [ 13.598750] random: 7 urandom warning(s) missed due to ratelimiting [11106.903665] [drm] SADs count is: -2, don't need to read it [14369.819925] BUG: unable to handle kernel NULL pointer dereference at 00000000000000b8 [14369.819930] PGD 0 P4D 0 [14369.819933] Oops: 0000 [#1] PREEMPT SMP NOPTI [14369.819934] Modules linked in: fuse amdkfd amdgpu mfd_core chash gpu_sched ttm i2c_piix4 k10temp [14369.819940] CPU: 0 PID: 3196 Comm: X Not tainted 4.17.0-rc3-ck1-unofficial #4 [14369.819942] Hardware name: System manufacturer System Product Name/PRIME B350-PLUS, BIOS 4011 04/19/2018 [14369.819958] RIP: 0010:dc_validate_stream+0x47/0x110 [amdgpu] [14369.819959] RSP: 0018:ffffa08cc3767b60 EFLAGS: 00010202 [14369.819960] RAX: 0000000000000001 RBX: ffff8ce875616c00 RCX: 000000000000002d [14369.819961] RDX: 0000000000000001 RSI: ffff8ce875616c08 RDI: ffff8ce979a9fd00 [14369.819962] RBP: 0000000000000000 R08: 000000000000002d R09: 0000000000000c27 [14369.819963] R10: ffffa08cc3767b80 R11: 0000000000000780 R12: ffff8ce875616c08 [14369.819964] R13: ffff8ce97959aa00 R14: 0000000000000011 R15: ffff8ce97959aa00 [14369.819965] FS: 00007ffff7fc88c0(0000) GS:ffff8ce99ec00000(0000) knlGS:0000000000000000 [14369.819966] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [14369.819967] CR2: 00000000000000b8 CR3: 00000007f5fc8000 CR4: 00000000003406f0 [14369.819968] Call Trace: [14369.819986] amdgpu_dm_connector_mode_valid+0x78/0x1f0 [amdgpu] [14369.819990] ? drm_mode_connector_list_update+0xfe/0x160 [14369.819992] drm_helper_probe_single_connector_modes+0x3f4/0x6c0 [14369.819995] drm_mode_getconnector+0x151/0x320 [14369.819998] ? drm_mode_connector_property_set_ioctl+0x60/0x60 [14369.820000] drm_ioctl_kernel+0x56/0xb0 [14369.820002] drm_ioctl+0x293/0x330 [14369.820004] ? drm_mode_connector_property_set_ioctl+0x60/0x60 [14369.820012] amdgpu_drm_ioctl+0x44/0x80 [amdgpu] [14369.820015] do_vfs_ioctl+0x9f/0x610 [14369.820017] ksys_ioctl+0x6b/0x80 [14369.820019] __x64_sys_ioctl+0x11/0x20 [14369.820021] do_syscall_64+0x43/0xf0 [14369.820024] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [14369.820025] RIP: 0033:0x7ffff5c31c67 [14369.820026] RSP: 002b:00007fffffffd0d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [14369.820028] RAX: ffffffffffffffda RBX: 00005555559ec330 RCX: 00007ffff5c31c67 [14369.820029] RDX: 00007fffffffd110 RSI: 00000000c05064a7 RDI: 000000000000000b [14369.820029] RBP: 00007fffffffd110 R08: 0000555555b736c0 R09: 0000000000000008 [14369.820030] R10: 00005555559b9010 R11: 0000000000000246 R12: 00000000c05064a7 [14369.820031] R13: 000000000000000b R14: 00007fffffffd110 R15: 000000000000000b [14369.820032] Code: 8b 87 20 01 00 00 48 8b b8 20 01 00 00 74 51 89 93 68 02 00 00 48 8b 07 4c 8d 63 08 4c 89 e6 48 8b 00 e8 5d ef 3a d9 84 c0 74 6f <48> 8b bd b8 00 00 00 48 89 de 48 8b 07 48 8b 00 e8 44 ef 3a d9 [14369.820060] RIP: dc_validate_stream+0x47/0x110 [amdgpu] RSP: ffffa08cc3767b60 [14369.820061] CR2: 00000000000000b8 [14369.820063] ---[ end trace 77a064f804911ddc ]--- [14369.832878] [drm] SADs count is: -2, don't need to read it