Comment # 3 on bug 1227179 from David Mulder

Jun 28 15:34:44 localhost.localdomain kernel: Call Trace:
Jun 28 15:34:44 localhost.localdomain kernel:  <TASK>
Jun 28 15:34:44 localhost.localdomain kernel:  ? __die_body.cold+0x14/0x24
Jun 28 15:34:44 localhost.localdomain kernel:  ? page_fault_oops+0x134/0x2a0
Jun 28 15:34:44 localhost.localdomain kernel:  ? exc_page_fault+0x73/0x170
Jun 28 15:34:44 localhost.localdomain kernel:  ? asm_exc_page_fault+0x26/0x30
Jun 28 15:34:44 localhost.localdomain kernel:  ? gp100_vmm_pgt_sgl+0x4a/0x160
[nouveau c57bccd0d91f54927bbdce666ce34d4dee46d7fd]
Jun 28 15:34:44 localhost.localdomain kernel:  ? gp100_vmm_pgt_sgl+0xd8/0x160
[nouveau c57bccd0d91f54927bbdce666ce34d4dee46d7fd]
Jun 28 15:34:44 localhost.localdomain kernel:  nvkm_vmm_iter.isra.0+0x2f4/0x890
[nouveau c57bccd0d91f54927bbdce666ce34d4dee46d7fd]
Jun 28 15:34:44 localhost.localdomain kernel:  ?
__pfx_nvkm_vmm_ref_ptes+0x10/0x10 [nouveau
c57bccd0d91f54927bbdce666ce34d4dee46d7fd]
Jun 28 15:34:44 localhost.localdomain kernel:  ?
__pfx_gp100_vmm_pgt_sgl+0x10/0x10 [nouveau
c57bccd0d91f54927bbdce666ce34d4dee46d7fd]
Jun 28 15:34:44 localhost.localdomain kernel:  ?
__pfx_gp100_vmm_pgt_sgl+0x10/0x10 [nouveau
c57bccd0d91f54927bbdce666ce34d4dee46d7fd]
Jun 28 15:34:44 localhost.localdomain kernel:  nvkm_vmm_ptes_get_map+0xb1/0xf0
[nouveau c57bccd0d91f54927bbdce666ce34d4dee46d7fd]
Jun 28 15:34:44 localhost.localdomain kernel:  ?
__pfx_nvkm_vmm_ref_ptes+0x10/0x10 [nouveau
c57bccd0d91f54927bbdce666ce34d4dee46d7fd]
Jun 28 15:34:44 localhost.localdomain kernel:  ?
__pfx_gp100_vmm_pgt_sgl+0x10/0x10 [nouveau
c57bccd0d91f54927bbdce666ce34d4dee46d7fd]
Jun 28 15:34:44 localhost.localdomain kernel:  nvkm_vmm_map_locked+0x202/0x360
[nouveau c57bccd0d91f54927bbdce666ce34d4dee46d7fd]
Jun 28 15:34:44 localhost.localdomain kernel:  nvkm_vmm_map+0x89/0xe0 [nouveau
c57bccd0d91f54927bbdce666ce34d4dee46d7fd]
Jun 28 15:34:44 localhost.localdomain kernel:  nvkm_mem_map_sgl+0x5a/0x80
[nouveau c57bccd0d91f54927bbdce666ce34d4dee46d7fd]
Jun 28 15:34:44 localhost.localdomain kernel:  nvkm_uvmm_mthd+0xc25/0xe00
[nouveau c57bccd0d91f54927bbdce666ce34d4dee46d7fd]
Jun 28 15:34:44 localhost.localdomain kernel:  ? nvkm_uvmm_mthd+0x1f9/0xe00
[nouveau c57bccd0d91f54927bbdce666ce34d4dee46d7fd]
Jun 28 15:34:44 localhost.localdomain kernel:  ? nvkm_ioctl+0xd9/0x180 [nouveau
c57bccd0d91f54927bbdce666ce34d4dee46d7fd]
Jun 28 15:34:44 localhost.localdomain kernel:  nvkm_ioctl+0xd9/0x180 [nouveau
c57bccd0d91f54927bbdce666ce34d4dee46d7fd]
Jun 28 15:34:44 localhost.localdomain kernel:  nvif_object_mthd+0xa8/0x1f0
[nouveau c57bccd0d91f54927bbdce666ce34d4dee46d7fd]
Jun 28 15:34:44 localhost.localdomain kernel:  ? nvif_mmu_ctor+0x3d0/0x420
[nouveau c57bccd0d91f54927bbdce666ce34d4dee46d7fd]
Jun 28 15:34:44 localhost.localdomain kernel:  ? nvif_object_mthd+0xbb/0x1f0
[nouveau c57bccd0d91f54927bbdce666ce34d4dee46d7fd]
Jun 28 15:34:44 localhost.localdomain kernel:  nvif_vmm_map+0x11d/0x130
[nouveau c57bccd0d91f54927bbdce666ce34d4dee46d7fd]
Jun 28 15:34:44 localhost.localdomain kernel:  ? nouveau_mem_host+0x108/0x1a0
[nouveau c57bccd0d91f54927bbdce666ce34d4dee46d7fd]
Jun 28 15:34:44 localhost.localdomain kernel:  nouveau_mem_map+0x94/0xe0
[nouveau c57bccd0d91f54927bbdce666ce34d4dee46d7fd]
Jun 28 15:34:44 localhost.localdomain kernel:  nouveau_bo_move+0x654/0x930
[nouveau c57bccd0d91f54927bbdce666ce34d4dee46d7fd]
Jun 28 15:34:44 localhost.localdomain kernel:  ? kvmalloc_node+0x43/0xd0
Jun 28 15:34:44 localhost.localdomain kernel:  ?
drm_prime_sg_to_dma_addr_array+0x5c/0xa0
Jun 28 15:34:44 localhost.localdomain kernel: 
ttm_bo_handle_move_mem+0xb8/0x170 [ttm
b5d04b8db497992450811abea646aff0c69751ea]
Jun 28 15:34:44 localhost.localdomain kernel:  ttm_mem_evict_first+0x2aa/0x450
[ttm b5d04b8db497992450811abea646aff0c69751ea]
Jun 28 15:34:44 localhost.localdomain kernel:  ?
nouveau_vram_manager_new+0xab/0xc0 [nouveau
c57bccd0d91f54927bbdce666ce34d4dee46d7fd]
Jun 28 15:34:44 localhost.localdomain kernel:  ttm_bo_mem_space+0x1e5/0x230
[ttm b5d04b8db497992450811abea646aff0c69751ea]
Jun 28 15:34:44 localhost.localdomain kernel:  ttm_bo_validate+0x6e/0x160 [ttm
b5d04b8db497992450811abea646aff0c69751ea]
Jun 28 15:34:44 localhost.localdomain kernel:  ?
nv50_head_atomic_check+0x3b2/0xbe0 [nouveau
c57bccd0d91f54927bbdce666ce34d4dee46d7fd]
Jun 28 15:34:44 localhost.localdomain kernel:  nouveau_bo_pin+0xbd/0x2c0
[nouveau c57bccd0d91f54927bbdce666ce34d4dee46d7fd]
Jun 28 15:34:44 localhost.localdomain kernel:  nv50_wndw_prepare_fb+0x63/0x2d0
[nouveau c57bccd0d91f54927bbdce666ce34d4dee46d7fd]
Jun 28 15:34:44 localhost.localdomain kernel:  ?
try_wait_for_completion+0x4f/0x60
Jun 28 15:34:44 localhost.localdomain kernel: 
drm_atomic_helper_prepare_planes+0x74/0x210
Jun 28 15:34:44 localhost.localdomain kernel: 
nv50_disp_atomic_commit+0x8f/0x1b0 [nouveau
c57bccd0d91f54927bbdce666ce34d4dee46d7fd]
Jun 28 15:34:44 localhost.localdomain kernel: 
drm_atomic_helper_page_flip+0x63/0xd0
Jun 28 15:34:44 localhost.localdomain kernel: 
drm_mode_page_flip_ioctl+0x5a4/0x680
Jun 28 15:34:44 localhost.localdomain kernel:  ?
__pfx_drm_mode_page_flip_ioctl+0x10/0x10
Jun 28 15:34:44 localhost.localdomain kernel:  drm_ioctl_kernel+0xaa/0x100
Jun 28 15:34:44 localhost.localdomain kernel:  drm_ioctl+0x25d/0x4c0
Jun 28 15:34:44 localhost.localdomain kernel:  ?
__pfx_drm_mode_page_flip_ioctl+0x10/0x10
Jun 28 15:34:44 localhost.localdomain kernel:  ? eventfd_read+0xe2/0x210
Jun 28 15:34:44 localhost.localdomain kernel:  nouveau_drm_ioctl+0x5a/0xb0
[nouveau c57bccd0d91f54927bbdce666ce34d4dee46d7fd]
Jun 28 15:34:44 localhost.localdomain kernel:  __x64_sys_ioctl+0x94/0xd0
Jun 28 15:34:44 localhost.localdomain kernel:  do_syscall_64+0x82/0x170
Jun 28 15:34:44 localhost.localdomain kernel:  ?
syscall_exit_to_user_mode+0x75/0x230
Jun 28 15:34:44 localhost.localdomain kernel:  ? do_syscall_64+0x8f/0x170
Jun 28 15:34:44 localhost.localdomain kernel:  ?
syscall_exit_to_user_mode+0x75/0x230
Jun 28 15:34:44 localhost.localdomain kernel:  ?
syscall_exit_to_user_mode+0x75/0x230
Jun 28 15:34:44 localhost.localdomain kernel:  ? do_syscall_64+0x8f/0x170
Jun 28 15:34:44 localhost.localdomain kernel:  ?
__rseq_handle_notify_resume+0xa8/0x4d0
Jun 28 15:34:44 localhost.localdomain kernel:  ? do_syscall_64+0x8f/0x170
Jun 28 15:34:44 localhost.localdomain kernel:  ?
syscall_exit_to_user_mode+0x75/0x230
Jun 28 15:34:44 localhost.localdomain kernel:  ? switch_fpu_return+0x4f/0xd0
Jun 28 15:34:44 localhost.localdomain kernel:  ?
syscall_exit_to_user_mode+0x75/0x230
Jun 28 15:34:44 localhost.localdomain kernel:  ? do_syscall_64+0x8f/0x170
Jun 28 15:34:44 localhost.localdomain kernel:  ?
syscall_exit_to_user_mode+0x75/0x230
Jun 28 15:34:44 localhost.localdomain kernel:  ? do_syscall_64+0x8f/0x170
Jun 28 15:34:44 localhost.localdomain kernel:  ? do_syscall_64+0x8f/0x170
Jun 28 15:34:44 localhost.localdomain kernel: 
entry_SYSCALL_64_after_hwframe+0x76/0x7e
Jun 28 15:34:44 localhost.localdomain kernel: RIP: 0033:0x7f22c650f3df
Jun 28 15:34:44 localhost.localdomain kernel: Code: 00 48 89 44 24 18 31 c0 48
8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10
b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 18 48 8b 44 24 18 64 48 2b 04 25
28 00 00
Jun 28 15:34:44 localhost.localdomain kernel: RSP: 002b:00007f22b93fec50
EFLAGS: 00000246 ORIG_RAX: 0000000000000010
Jun 28 15:34:44 localhost.localdomain kernel: RAX: ffffffffffffffda RBX:
00007f229c005a10 RCX: 00007f22c650f3df
Jun 28 15:34:44 localhost.localdomain kernel: RDX: 00007f22b93fece0 RSI:
00000000c01864b0 RDI: 00000000000000c1
Jun 28 15:34:44 localhost.localdomain kernel: RBP: 00007f22b93fece0 R08:
00007f229c005b40 R09: 0000000000000077
Jun 28 15:34:44 localhost.localdomain kernel: R10: 00005613aa72bbd0 R11:
0000000000000246 R12: 00000000c01864b0
Jun 28 15:34:44 localhost.localdomain kernel: R13: 00000000000000c1 R14:
00007f229c005b40 R15: 00007f229c1da8d0
Jun 28 15:34:44 localhost.localdomain kernel:  </TASK>