...
ksplashqml[1929]: segfault at 0 ip 00007fc00f590ddb sp 00007fff159faf00 error 4 in libQt5Qml.so.5.6.0[7fc00f3be000+3d9000]
resource sanity check: requesting [mem 0xf7f5e000-0xf805dfff], which spans more than 0000:02:00.0 [mem 0xf6000000-0xf7ffffff 64bit]
caller nv50_instobj_boot+0xaf/0x120 [nouveau] mapping multiple BARs
BUG: unable to handle kernel paging request at ffffc900007b0000
IP: [<ffffffff813ed3ae>] iowrite32+0x2e/0x40
PGD 12b08e067 PUD 12b08f067 PMD 12aacf067 PTE 0
Oops: 0002 [#1] SMP 
Modules linked in: ... nouveau video mxm_wmi i2c_algo_bit drm_kms_helper ttm drm wmi ...
CPU: 2 PID: 2358 Comm: krunner Not tainted 4.5.0-0.rc2.git0.1.fc24.x86_64 #1
...
task: ffff88009c2f3a80 ti: ffff88008c3dc000 task.ti: ffff88008c3dc000
RIP: 0010:[<ffffffff813ed3ae>]  [<ffffffff813ed3ae>] iowrite32+0x2e/0x40
RSP: 0018:ffff88008c3df948  EFLAGS: 00010292
RAX: ffffffffa0221600 RBX: 0000000000010000 RCX: 0000000000000009
RDX: 000000001df33301 RSI: ffffc900007b0000 RDI: 000000001df33301
RBP: ffff88008c3df950 R08: 0000000000000100 R09: 000000001df33001
R10: ffffffffa0227340 R11: 000000001de91000 R12: 000000001df33301
R13: 0000000000000000 R14: 0000000000000200 R15: ffff880129b3cec0
FS:  00007ffa3c15d940(0000) GS:ffff88012fc80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900007b0000 CR3: 000000008c3e1000 CR4: 00000000000006e0
...
Call Trace:
 [<ffffffffa0221614>] ? nvkm_instobj_wr32+0x14/0x20 [nouveau]
 [<ffffffffa022749d>] nv50_vm_map+0x15d/0x1b0 [nouveau]
 [<ffffffffa022553b>] nvkm_vm_map_at+0xdb/0x1d0 [nouveau]
 [<ffffffffa02223eb>] nv50_instobj_map+0x1b/0x20 [nouveau]
 [<ffffffffa0222668>] nv50_instobj_boot+0xc8/0x120 [nouveau]
 [<ffffffffa022256e>] nv50_instobj_acquire+0x4e/0x80 [nouveau]
 [<ffffffffa022154a>] nvkm_instobj_acquire_slow+0x1a/0x30 [nouveau]
 [<ffffffffa02218f0>] nvkm_instobj_new+0x70/0x170 [nouveau]
 [<ffffffffa01e3494>] nvkm_memory_new+0x44/0x80 [nouveau]
 [<ffffffffa022608f>] nvkm_vm_get+0x15f/0x250 [nouveau]
 [<ffffffffa027f8b0>] nouveau_bo_vma_add+0x30/0x90 [nouveau]
 [<ffffffffa0291249>] nouveau_channel_prep+0x1d9/0x2a0 [nouveau]
 [<ffffffffa0291367>] nouveau_channel_new+0x57/0x6e0 [nouveau]
 [<ffffffffa01e0a2d>] ? nvif_device_init+0x2d/0x30 [nouveau]
 [<ffffffff8121ac6e>] ? kmem_cache_alloc_trace+0x1ae/0x1c0
 [<ffffffffa02904d6>] nouveau_abi16_ioctl_channel_alloc+0xd6/0x2c0 [nouveau]
 [<ffffffffa0101762>] drm_ioctl+0x152/0x540 [drm]
 [<ffffffffa0290400>] ? nouveau_abi16_ioctl_setparam+0x10/0x10 [nouveau]
 [<ffffffffa0278f14>] nouveau_drm_ioctl+0x74/0xc0 [nouveau]
 [<ffffffff81257193>] do_vfs_ioctl+0xa3/0x5d0
 [<ffffffff81068635>] ? __do_page_fault+0x1b5/0x400
 [<ffffffff81257739>] SyS_ioctl+0x79/0x90
 [<ffffffff817cd56e>] entry_SYSCALL_64_fastpath+0x12/0x6d
Code: ff ff 03 00 77 25 48 81 fe 00 00 01 00 76 07 0f b7 d6 89 f8 ef c3 55 48 89 f7 48 c7 c6 72 62 aa 81 48 89 e5 e8 54 fe ff ff 5d c3 <89> 3e c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 48 81 ff 
RIP  [<ffffffff813ed3ae>] iowrite32+0x2e/0x40
 RSP <ffff88008c3df948>
CR2: ffffc900007b0000
---[ end trace cf65714540fe96b8 ]---