When this occurs, I am see something related to this in syslog.


2024-03-24T11:57:21.284582-05:00 jove kernel: [drm:nv_drm_master_set [nvidia_drm]] *ERROR* [nvidia-drm] 


[GPU ID 0x00000100] Failed to grab modeset ownership

2024-03-24T13:17:39.284647-05:00 jove kernel: UBSAN: array-index-out-of-bounds in build/nvidia/535.161.07/build/nvidia-uvm/uvm_pmm_gpu.c:2364:28
2024-03-24T13:17:39.284648-05:00 jove kernel: index 0 is out of range for type 'uvm_gpu_chunk_t *[*]'
2024-03-24T13:17:39.284648-05:00 jove kernel: CPU: 13 PID: 123928 Comm: ghb Tainted: P        W  O       6.8.0-11-generic #11-Ubuntu
2024-03-24T13:17:39.284649-05:00 jove kernel: Hardware name: ASUS System Product Name/PRIME B650-PLUS, BIOS 1807 09/26/2023
2024-03-24T13:17:39.284649-05:00 jove kernel: Call Trace:
2024-03-24T13:17:39.284650-05:00 jove kernel:  <TASK>
2024-03-24T13:17:39.284651-05:00 jove kernel:  dump_stack_lvl+0x48/0x70
2024-03-24T13:17:39.284651-05:00 jove kernel:  dump_stack+0x10/0x20
2024-03-24T13:17:39.284651-05:00 jove kernel:  __ubsan_handle_out_of_bounds+0xc6/0x110
2024-03-24T13:17:39.284658-05:00 jove kernel:  split_gpu_chunk+0x13f/0x410 [nvidia_uvm]
2024-03-24T13:17:39.284658-05:00 jove kernel:  uvm_pmm_gpu_alloc+0x2da/0x6d0 [nvidia_uvm]
2024-03-24T13:17:39.284658-05:00 jove kernel:  phys_mem_allocate+0xac/0x230 [nvidia_uvm]
2024-03-24T13:17:39.284659-05:00 jove kernel:  allocate_directory+0xb4/0x130 [nvidia_uvm]
2024-03-24T13:17:39.284659-05:00 jove kernel:  ? allocate_directory+0xb4/0x130 [nvidia_uvm]
2024-03-24T13:17:39.284659-05:00 jove kernel:  uvm_page_tree_init+0x133/0x450 [nvidia_uvm]
2024-03-24T13:17:39.284660-05:00 jove kernel:  uvm_gpu_retain_by_uuid+0x19df/0x2b80 [nvidia_uvm]
2024-03-24T13:17:39.284660-05:00 jove kernel:  uvm_va_space_register_gpu+0x47/0x740 [nvidia_uvm]
2024-03-24T13:17:39.284660-05:00 jove kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
2024-03-24T13:17:39.284661-05:00 jove kernel:  ? rmqueue+0x825/0xee0
2024-03-24T13:17:39.284661-05:00 jove kernel:  uvm_api_register_gpu+0x5a/0x90 [nvidia_uvm]
2024-03-24T13:17:39.284661-05:00 jove kernel:  uvm_ioctl+0x1a26/0x1cd0 [nvidia_uvm]
2024-03-24T13:17:39.284662-05:00 jove kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
2024-03-24T13:17:39.284662-05:00 jove kernel:  ? __mod_lruvec_state+0x36/0x50
2024-03-24T13:17:39.284662-05:00 jove kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
2024-03-24T13:17:39.284663-05:00 jove kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
2024-03-24T13:17:39.284664-05:00 jove kernel:  ? next_uptodate_folio+0xa9/0x320
2024-03-24T13:17:39.284664-05:00 jove kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
2024-03-24T13:17:39.284665-05:00 jove kernel:  ? filemap_map_pages+0x2fe/0x4c0
2024-03-24T13:17:39.284665-05:00 jove kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
2024-03-24T13:17:39.284666-05:00 jove kernel:  ? _raw_spin_lock_irqsave+0xe/0x20
2024-03-24T13:17:39.284666-05:00 jove kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
2024-03-24T13:17:39.284666-05:00 jove kernel:  ? thread_context_non_interrupt_add+0x13a/0x250 [nvidia_uvm]
2024-03-24T13:17:39.284666-05:00 jove kernel:  uvm_unlocked_ioctl_entry.part.0+0x7b/0xf0 [nvidia_uvm]
2024-03-24T13:17:39.284667-05:00 jove kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
2024-03-24T13:17:39.284667-05:00 jove kernel:  ? do_fault+0x109/0x350
2024-03-24T13:17:39.284667-05:00 jove kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
2024-03-24T13:17:39.284668-05:00 jove kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
2024-03-24T13:17:39.284668-05:00 jove kernel:  uvm_unlocked_ioctl_entry+0x6b/0x90 [nvidia_uvm]
2024-03-24T13:17:39.284669-05:00 jove kernel:  __x64_sys_ioctl+0xa0/0xf0
2024-03-24T13:17:39.284669-05:00 jove kernel:  do_syscall_64+0x74/0x140
2024-03-24T13:17:39.284669-05:00 jove kernel:  ? __count_memcg_events+0x6b/0x120
2024-03-24T13:17:39.284669-05:00 jove kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
2024-03-24T13:17:39.284670-05:00 jove kernel:  ? count_memcg_events.constprop.0+0x2a/0x50
2024-03-24T13:17:39.284670-05:00 jove kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
2024-03-24T13:17:39.284670-05:00 jove kernel:  ? handle_mm_fault+0xad/0x380
2024-03-24T13:17:39.284670-05:00 jove kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
2024-03-24T13:17:39.284671-05:00 jove kernel:  ? do_user_addr_fault+0x338/0x6b0
2024-03-24T13:17:39.284671-05:00 jove kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
2024-03-24T13:17:39.284671-05:00 jove kernel:  ? irqentry_exit_to_user_mode+0x6b/0x1a0
2024-03-24T13:17:39.284671-05:00 jove kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
2024-03-24T13:17:39.284672-05:00 jove kernel:  ? irqentry_exit+0x43/0x50
2024-03-24T13:17:39.284672-05:00 jove kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
2024-03-24T13:17:39.284672-05:00 jove kernel:  ? exc_page_fault+0x94/0x1b0
2024-03-24T13:17:39.284672-05:00 jove kernel:  entry_SYSCALL_64_after_hwframe+0x6e/0x76
2024-03-24T13:17:39.284673-05:00 jove kernel: RIP: 0033:0x7b2328324ddd
2024-03-24T13:17:39.284673-05:00 jove kernel: Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
2024-03-24T13:17:39.284674-05:00 jove kernel: RSP: 002b:00007ffe864434b0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
2024-03-24T13:17:39.284674-05:00 jove kernel: RAX: ffffffffffffffda RBX: 00007b223af00860 RCX: 00007b2328324ddd
2024-03-24T13:17:39.284674-05:00 jove kernel: RDX: 00007ffe86443550 RSI: 0000000000000025 RDI: 0000000000000015
2024-03-24T13:17:39.284674-05:00 jove kernel: RBP: 00007ffe86443500 R08: 00007b223af008f0 R09: 0000000000000000
2024-03-24T13:17:39.284675-05:00 jove kernel: R10: 00007b232820d630 R11: 0000000000000246 R12: 0000653ad7198346
2024-03-24T13:17:39.284675-05:00 jove kernel: R13: 00007b223af008f0 R14: 00007ffe86443550 R15: 0000000000000015
2024-03-24T13:17:39.284675-05:00 jove kernel:  </TASK>
2024-03-24T13:17:39.284676-05:00 jove kernel: ---[ end trace ]---
2024-03-24T13:17:39.284676-05:00 jove kernel: ------------[ cut here ]------------
2024-03-24T13:17:39.284676-05:00 jove kernel: UBSAN: array-index-out-of-bounds in build/nvidia/535.161.07/build/nvidia-uvm/uvm_pmm_gpu.c:2038:44
2024-03-24T13:17:39.284677-05:00 jove kernel: index 0 is out of range for type 'uvm_gpu_chunk_t *[*]'
2024-03-24T13:17:39.284677-05:00 jove kernel: CPU: 13 PID: 123928 Comm: ghb Tainted: P        W  O       6.8.0-11-generic #11-Ubuntu
2024-03-24T13:17:39.284678-05:00 jove kernel: Hardware name: ASUS System Product Name/PRIME B650-PLUS, BIOS 1807 09/26/2023
2024-03-24T13:17:39.284678-05:00 jove kernel: Call Trace:
2024-03-24T13:17:39.284678-05:00 jove kernel:  <TASK>
2024-03-24T13:17:39.284679-05:00 jove kernel:  dump_stack_lvl+0x48/0x70
2024-03-24T13:17:39.284679-05:00 jove kernel:  dump_stack+0x10/0x20
2024-03-24T13:17:39.284679-05:00 jove kernel:  __ubsan_handle_out_of_bounds+0xc6/0x110
2024-03-24T13:17:39.284679-05:00 jove kernel:  uvm_pmm_gpu_alloc+0x2f5/0x6d0 [nvidia_uvm]
2024-03-24T13:17:39.284680-05:00 jove kernel:  phys_mem_allocate+0xac/0x230 [nvidia_uvm]
2024-03-24T13:17:39.284680-05:00 jove kernel:  allocate_directory+0xb4/0x130 [nvidia_uvm]
2024-03-24T13:17:39.284680-05:00 jove kernel:  ? allocate_directory+0xb4/0x130 [nvidia_uvm]
2024-03-24T13:17:39.284680-05:00 jove kernel:  uvm_page_tree_init+0x133/0x450 [nvidia_uvm]
2024-03-24T13:17:39.284681-05:00 jove kernel:  uvm_gpu_retain_by_uuid+0x19df/0x2b80 [nvidia_uvm]
2024-03-24T13:17:39.284681-05:00 jove kernel:  uvm_va_space_register_gpu+0x47/0x740 [nvidia_uvm]
2024-03-24T13:17:39.284681-05:00 jove kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
2024-03-24T13:17:39.284681-05:00 jove kernel:  ? rmqueue+0x825/0xee0
2024-03-24T13:17:39.284682-05:00 jove kernel:  uvm_api_register_gpu+0x5a/0x90 [nvidia_uvm]
2024-03-24T13:17:39.284682-05:00 jove kernel:  uvm_ioctl+0x1a26/0x1cd0 [nvidia_uvm]
2024-03-24T13:17:39.284682-05:00 jove kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
2024-03-24T13:17:39.284682-05:00 jove kernel:  ? __mod_lruvec_state+0x36/0x50
2024-03-24T13:17:39.284683-05:00 jove kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
2024-03-24T13:17:39.284683-05:00 jove kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
2024-03-24T13:17:39.284683-05:00 jove kernel:  ? next_uptodate_folio+0xa9/0x320
2024-03-24T13:17:39.284684-05:00 jove kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
2024-03-24T13:17:39.284684-05:00 jove kernel:  ? filemap_map_pages+0x2fe/0x4c0
2024-03-24T13:17:39.284684-05:00 jove kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
2024-03-24T13:17:39.284684-05:00 jove kernel:  ? _raw_spin_lock_irqsave+0xe/0x20
2024-03-24T13:17:39.284685-05:00 jove kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
2024-03-24T13:17:39.284685-05:00 jove kernel:  ? thread_context_non_interrupt_add+0x13a/0x250 [nvidia_uvm]
2024-03-24T13:17:39.284685-05:00 jove kernel:  uvm_unlocked_ioctl_entry.part.0+0x7b/0xf0 [nvidia_uvm]
2024-03-24T13:17:39.284685-05:00 jove kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
2024-03-24T13:17:39.284686-05:00 jove kernel:  ? do_fault+0x109/0x350
2024-03-24T13:17:39.284686-05:00 jove kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
2024-03-24T13:17:39.284691-05:00 jove kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
2024-03-24T13:17:39.284692-05:00 jove kernel:  uvm_unlocked_ioctl_entry+0x6b/0x90 [nvidia_uvm]
2024-03-24T13:17:39.284692-05:00 jove kernel:  __x64_sys_ioctl+0xa0/0xf0
2024-03-24T13:17:39.284692-05:00 jove kernel:  do_syscall_64+0x74/0x140
2024-03-24T13:17:39.284693-05:00 jove kernel:  ? __count_memcg_events+0x6b/0x120
2024-03-24T13:17:39.284693-05:00 jove kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
2024-03-24T13:17:39.284693-05:00 jove kernel:  ? count_memcg_events.constprop.0+0x2a/0x50
2024-03-24T13:17:39.284694-05:00 jove kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
2024-03-24T13:17:39.284694-05:00 jove kernel:  ? handle_mm_fault+0xad/0x380
2024-03-24T13:17:39.284694-05:00 jove kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
2024-03-24T13:17:39.284694-05:00 jove kernel:  ? do_user_addr_fault+0x338/0x6b0
2024-03-24T13:17:39.284695-05:00 jove kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
2024-03-24T13:17:39.284695-05:00 jove kernel:  ? irqentry_exit_to_user_mode+0x6b/0x1a0
2024-03-24T13:17:39.284695-05:00 jove kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
2024-03-24T13:17:39.284695-05:00 jove kernel:  ? irqentry_exit+0x43/0x50
2024-03-24T13:17:39.284701-05:00 jove kernel:  ? srso_alias_return_thunk+0x5/0xfbef5
2024-03-24T13:17:39.284701-05:00 jove kernel:  ? exc_page_fault+0x94/0x1b0
2024-03-24T13:17:39.284702-05:00 jove kernel:  entry_SYSCALL_64_after_hwframe+0x6e/0x76
2024-03-24T13:17:39.284702-05:00 jove kernel: RIP: 0033:0x7b2328324ddd
2024-03-24T13:17:39.284703-05:00 jove kernel: Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
2024-03-24T13:17:39.284703-05:00 jove kernel: RSP: 002b:00007ffe864434b0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
2024-03-24T13:17:39.284703-05:00 jove kernel: RAX: ffffffffffffffda RBX: 00007b223af00860 RCX: 00007b2328324ddd
2024-03-24T13:17:39.284704-05:00 jove kernel: RDX: 00007ffe86443550 RSI: 0000000000000025 RDI: 0000000000000015
2024-03-24T13:17:39.284704-05:00 jove kernel: RBP: 00007ffe86443500 R08: 00007b223af008f0 R09: 0000000000000000
2024-03-24T13:17:39.284705-05:00 jove kernel: R10: 00007b232820d630 R11: 0000000000000246 R12: 0000653ad7198346
2024-03-24T13:17:39.284705-05:00 jove kernel: R13: 00007b223af008f0 R14: 00007ffe86443550 R15: 0000000000000015
2024-03-24T13:17:39.284773-05:00 jove kernel:  </TASK>
2024-03-24T13:17:39.284781-05:00 jove kernel: ---[ end trace ]---
2024-03-24T13:17:39.284781-05:00 jove kernel: ------------[ cut here ]------------
2024-03-24T13:17:39.284782-05:00 jove kernel: UBSAN: array-index-out-of-bounds in build/nvidia/535.161.07/build/nvidia-uvm/uvm_pmm_gpu.c:746:68