On Tue 13 Jan 2026 12:13:23 PM , Dmitrii Tochanskii wrote: > > On 12/30/25 1:47 AM, Christopher Snowhill wrote: > > On Sun 28 Dec 2025 10:01:21 PM , Christopher Snowhill wrote: > >> On Fri 26 Dec 2025 11:50:55 PM , Christopher Snowhill wrote: > >>> I get the following NULL pointer dereference on boot, shortly before it > >>> would be showing me my LUKS password prompt on a graphical screen. I had > >>> to trust that there was a prompt and log into it blindly to boot and > >>> recover this kernel log snippet. > >>> > >>> This kernel is built using the linux-cachyos-rc package, and only has > >>> minor patches unrelated to DRM code, except that I also applied the > >>> Nouveau ZCULL patch set on top, as well as some downstream sched-ext > >>> patches from Andrea Righi's tree. > >>> > >>> Using latest stable linux-firmware packages from CachyOS, so > >>> 1:20251125-2. > >>> > >>> Should I also have CC'd Maarten Lankhorst? I recall he was retiring from > >>> the maintainer position due to leaving Intel, but get_maintainers.pl > >>> still returns his contact name and address. > >>> > >>> Dec 26 22:52:57 cachyos kernel: nouveau 0000:01:00.0: vgaarb: deactivate > >>> vga > >>> console > >>> Dec 26 22:52:57 cachyos kernel: BUG: kernel NULL pointer dereference, > >>> address: > >>> 00000000000000cc > >>> Dec 26 22:52:57 cachyos kernel: #PF: supervisor read access in kernel mode > >>> Dec 26 22:52:57 cachyos kernel: #PF: error_code(0x0000) - not-present page > >>> Dec 26 22:52:57 cachyos kernel: PGD 0 P4D 0 > >>> Dec 26 22:52:57 cachyos kernel: Oops: Oops: 0000 [#1] SMP NOPTI > >>> Dec 26 22:52:57 cachyos kernel: CPU: 3 UID: 0 PID: 398 Comm: > >>> (udev-worker) Not > >>> tainted 6.19.0-rc2-1-cachyos-rc #1 PREEMPT(full) > >>> 71029b2e9fcfeb4957f998851dc3b8eefd7c60f1 > >>> Dec 26 22:52:57 cachyos kernel: Hardware name: Micro-Star International > >>> Co., > >>> Ltd. MS-7E16/X670E GAMING PLUS WIFI (MS-7E16), BIOS 1.C7 10/22/2025 > >>> Dec 26 22:52:57 cachyos kernel: RIP: 0010:bit_entry+0x14/0xf0 [nouveau] > >>> Dec 26 22:52:57 cachyos kernel: Code: 48 88 f2 0f 1f 00 90 90 90 90 90 90 > >>> 90 > >>> 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 0f 1f 44 00 00 41 56 41 55 41 89 > >>> f5 41 > >>> 54 55 53 <8b> b7 cc 00 00 00 85 f6 0f 84 b0 00 00 00 83 c6 0a 49 89 d6 48 > >>> 89 > >>> Dec 26 22:52:57 cachyos kernel: RSP: 0018:ffffd13900b73568 EFLAGS: > >>> 00010282 > >>> Dec 26 22:52:57 cachyos kernel: RAX: ffff8ef7a5429000 RBX: > >>> 0000000000000000 > >>> RCX: ffffd13900b735ff > >>> Dec 26 22:52:57 cachyos kernel: RDX: ffffd13900b7359a RSI: > >>> 0000000000000070 > >>> RDI: 0000000000000000 > >>> Dec 26 22:52:57 cachyos kernel: RBP: ffff8ef79305d000 R08: > >>> ffffd13900b73608 > >>> R09: 000000000000001f > >>> Dec 26 22:52:57 cachyos kernel: R10: 0000000000000002 R11: > >>> 0000000000010000 > >>> R12: ffffd13900b735ff > >>> Dec 26 22:52:57 cachyos kernel: R13: 0000000000000070 R14: > >>> ffffd13900b73608 > >>> R15: ffffd13900b735fe > >>> Dec 26 22:52:57 cachyos kernel: FS: 00007f830f677840(0000) > >>> GS:ffff8f0ec8730000(0000) knlGS:0000000000000000 > >>> Dec 26 22:52:57 cachyos kernel: CS: 0010 DS: 0000 ES: 0000 CR0: > >>> 0000000080050033 > >>> Dec 26 22:52:57 cachyos kernel: CR2: 00000000000000cc CR3: > >>> 0000000117521000 > >>> CR4: 0000000000f50ef0 > >>> Dec 26 22:52:57 cachyos kernel: PKRU: 55555554 > >>> Dec 26 22:52:57 cachyos kernel: Call Trace: > >>> Dec 26 22:52:57 cachyos kernel: <TASK> > >>> Dec 26 22:52:57 cachyos kernel: nvbios_pmuEp+0x51/0x130 [nouveau > >>> 92367f81003504f1f8c63f31342b6d203ebdc5d1] > >>> Dec 26 22:52:57 cachyos kernel: nvkm_gsp_fwsec_init+0x76/0x3c0 [nouveau > >>> 92367f81003504f1f8c63f31342b6d203ebdc5d1] > >>> Dec 26 22:52:57 cachyos kernel: r535_gsp_oneinit+0x2e4/0x1060 [nouveau > >>> 92367f81003504f1f8c63f31342b6d203ebdc5d1] > >>> Dec 26 22:52:57 cachyos kernel: gh100_gsp_oneinit+0x33b/0x4d0 [nouveau > >>> 92367f81003504f1f8c63f31342b6d203ebdc5d1] > >>> Dec 26 22:52:57 cachyos kernel: nvkm_subdev_init_+0x63/0x100 [nouveau > >>> 92367f81003504f1f8c63f31342b6d203ebdc5d1] > >>> Dec 26 22:52:57 cachyos kernel: nvkm_subdev_init+0x46/0x60 [nouveau > >>> 92367f81003504f1f8c63f31342b6d203ebdc5d1] > >>> Dec 26 22:52:57 cachyos kernel: nvkm_device_init+0x163/0x1e0 [nouveau > >>> 92367f81003504f1f8c63f31342b6d203ebdc5d1] > >>> Dec 26 22:52:57 cachyos kernel: nvkm_udevice_init+0x45/0x70 [nouveau > >>> 92367f81003504f1f8c63f31342b6d203ebdc5d1] > >>> Dec 26 22:52:57 cachyos kernel: nvkm_object_init+0x42/0x120 [nouveau > >>> 92367f81003504f1f8c63f31342b6d203ebdc5d1] > >>> Dec 26 22:52:57 cachyos kernel: nvkm_ioctl_new+0x1d8/0x290 [nouveau > >>> 92367f81003504f1f8c63f31342b6d203ebdc5d1] > >>> Dec 26 22:52:57 cachyos kernel: ? __pfx_nvkm_client_child_new+0x10/0x10 > >>> [nouveau 92367f81003504f1f8c63f31342b6d203ebdc5d1] > >>> Dec 26 22:52:57 cachyos kernel: ? __pfx_nvkm_udevice_new+0x10/0x10 > >>> [nouveau > >>> 92367f81003504f1f8c63f31342b6d203ebdc5d1] > >>> Dec 26 22:52:57 cachyos kernel: nvkm_ioctl+0xba/0x130 [nouveau > >>> 92367f81003504f1f8c63f31342b6d203ebdc5d1] > >>> Dec 26 22:52:57 cachyos systemd-udevd[363]: 0000:01:00.0: Worker [398] > >>> terminated by signal 9 (KILL). > >>> Dec 26 22:52:57 cachyos kernel: nvif_object_ctor+0x114/0x190 [nouveau > >>> 92367f81003504f1f8c63f31342b6d203ebdc5d1] > >>> Dec 26 22:52:57 cachyos kernel: nvif_device_ctor+0x2e/0x70 [nouveau > >>> 92367f81003504f1f8c63f31342b6d203ebdc5d1] > >>> Dec 26 22:52:57 cachyos kernel: nouveau_drm_device_new+0x15c/0x320 > >>> [nouveau > >>> 92367f81003504f1f8c63f31342b6d203ebdc5d1] > >>> Dec 26 22:52:57 cachyos kernel: nouveau_drm_probe+0xbb/0x210 [nouveau > >>> 92367f81003504f1f8c63f31342b6d203ebdc5d1] > >>> Dec 26 22:52:57 cachyos kernel: ? __pm_runtime_resume+0x59/0x80 > >>> Dec 26 22:52:57 cachyos kernel: pci_device_probe+0x112/0x2d0 > >>> Dec 26 22:52:57 cachyos kernel: really_probe+0xde/0x400 > >>> Dec 26 22:52:57 cachyos kernel: ? __pfx___driver_attach+0x10/0x10 > >>> Dec 26 22:52:57 cachyos kernel: ? __pfx___driver_attach+0x10/0x10 > >>> Dec 26 22:52:57 cachyos kernel: __driver_probe_device+0x78/0x150 > >>> Dec 26 22:52:57 cachyos kernel: __driver_attach+0xa0/0x340 > >>> Dec 26 22:52:57 cachyos kernel: bus_for_each_dev+0x10b/0x160 > >>> Dec 26 22:52:57 cachyos kernel: bus_add_driver+0x131/0x280 > >>> Dec 26 22:52:57 cachyos kernel: ? __pfx_nouveau_drm_init+0x10/0x10 > >>> [nouveau > >>> 92367f81003504f1f8c63f31342b6d203ebdc5d1] > >>> Dec 26 22:52:57 cachyos kernel: driver_register+0x75/0xe0 > >>> Dec 26 22:52:57 cachyos kernel: nouveau_drm_init+0x1b3/0xff0 [nouveau > >>> 92367f81003504f1f8c63f31342b6d203ebdc5d1] > >>> Dec 26 22:52:57 cachyos kernel: do_one_initcall+0x5b/0x300 > >>> Dec 26 22:52:57 cachyos kernel: do_init_module+0x62/0x250 > >>> Dec 26 22:52:57 cachyos kernel: ? init_module_from_file+0xd6/0x140 > >>> Dec 26 22:52:57 cachyos kernel: init_module_from_file+0xd6/0x140 > >>> Dec 26 22:52:57 cachyos kernel: idempotent_init_module+0x118/0x310 > >>> Dec 26 22:52:57 cachyos kernel: __x64_sys_finit_module+0x71/0xe0 > >>> Dec 26 22:52:57 cachyos kernel: ? syscall_trace_enter+0x91/0x1e0 > >>> Dec 26 22:52:57 cachyos kernel: do_syscall_64+0x81/0x630 > >>> Dec 26 22:52:57 cachyos kernel: ? __x64_sys_pread64+0x9c/0xd0 > >>> Dec 26 22:52:57 cachyos kernel: ? do_syscall_64+0x81/0x630 > >>> Dec 26 22:52:57 cachyos kernel: ? __do_sys_newfstatat+0xe0/0x170 > >>> Dec 26 22:52:57 cachyos kernel: ? do_syscall_64+0x81/0x630 > >>> Dec 26 22:52:57 cachyos kernel: ? irq_exit_rcu+0x55/0x100 > >>> Dec 26 22:52:57 cachyos kernel: entry_SYSCALL_64_after_hwframe+0x79/0x81 > >>> Dec 26 22:52:57 cachyos kernel: RIP: 0033:0x7f830ff3c79d > >>> Dec 26 22:52:57 cachyos kernel: Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 > >>> 90 > >>> f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b > >>> 4c 24 > >>> 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 3b 15 0f 00 f7 d8 64 89 01 > >>> 48 > >>> Dec 26 22:52:57 cachyos kernel: RSP: 002b:00007ffc68e73f08 EFLAGS: > >>> 00000246 > >>> ORIG_RAX: 0000000000000139 > >>> Dec 26 22:52:57 cachyos kernel: RAX: ffffffffffffffda RBX: > >>> 0000558c285bb2a0 > >>> RCX: 00007f830ff3c79d > >>> Dec 26 22:52:57 cachyos kernel: RDX: 0000000000000004 RSI: > >>> 00007f830f6222f2 > >>> RDI: 000000000000003f > >>> Dec 26 22:52:57 cachyos kernel: RBP: 00007ffc68e73fa0 R08: > >>> 0000000000000000 > >>> R09: 0000558c285bc240 > >>> Dec 26 22:52:57 cachyos kernel: R10: 0000000000000000 R11: > >>> 0000000000000246 > >>> R12: 00007f830f6222f2 > >>> Dec 26 22:52:57 cachyos kernel: R13: 0000000000020000 R14: > >>> 0000558c2853b7a0 > >>> R15: 0000558c285bb2a0 > >>> Dec 26 22:52:57 cachyos kernel: </TASK> > >>> Dec 26 22:52:57 cachyos kernel: Modules linked in: dm_mod nouveau(+) > >>> drm_ttm_helper ttm gpu_sched hid_playstation(+) i2c_algo_bit uas nvme > >>> ghash_clmulni_intel drm_gpuvm led_class_multicolor usb_storage aesni_intel > >>> drm_exec ff_memless nvme_core mxm_wmi ccp nvme_keyring drm_display_helper > >>> nvme_auth hid_multitouch hid_logitech_dj(+) video hkdf cec wmi > >>> Dec 26 22:52:57 cachyos kernel: CR2: 00000000000000cc > >>> Dec 26 22:52:57 cachyos kernel: ---[ end trace 0000000000000000 ]--- > >>> Dec 26 22:52:57 cachyos kernel: RIP: 0010:bit_entry+0x14/0xf0 [nouveau] > >>> Dec 26 22:52:57 cachyos kernel: Code: 48 88 f2 0f 1f 00 90 90 90 90 90 90 > >>> 90 > >>> 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 0f 1f 44 00 00 41 56 41 55 41 89 > >>> f5 41 > >>> 54 55 53 <8b> b7 cc 00 00 00 85 f6 0f 84 b0 00 00 00 83 c6 0a 49 89 d6 48 > >>> 89 > >>> Dec 26 22:52:57 cachyos kernel: RSP: 0018:ffffd13900b73568 EFLAGS: > >>> 00010282 > >>> Dec 26 22:52:57 cachyos kernel: RAX: ffff8ef7a5429000 RBX: > >>> 0000000000000000 > >>> RCX: ffffd13900b735ff > >>> Dec 26 22:52:57 cachyos kernel: RDX: ffffd13900b7359a RSI: > >>> 0000000000000070 > >>> RDI: 0000000000000000 > >>> Dec 26 22:52:57 cachyos kernel: RBP: ffff8ef79305d000 R08: > >>> ffffd13900b73608 > >>> R09: 000000000000001f > >>> Dec 26 22:52:57 cachyos kernel: R10: 0000000000000002 R11: > >>> 0000000000010000 > >>> R12: ffffd13900b735ff > >>> Dec 26 22:52:57 cachyos kernel: R13: 0000000000000070 R14: > >>> ffffd13900b73608 > >>> R15: ffffd13900b735fe > >>> Dec 26 22:52:57 cachyos kernel: FS: 00007f830f677840(0000) > >>> GS:ffff8f0ec8730000(0000) knlGS:0000000000000000 > >>> Dec 26 22:52:57 cachyos kernel: CS: 0010 DS: 0000 ES: 0000 CR0: > >>> 0000000080050033 > >>> Dec 26 22:52:57 cachyos kernel: CR2: 00000000000000cc CR3: > >>> 0000000117521000 > >>> CR4: 0000000000f50ef0 > >>> Dec 26 22:52:57 cachyos kernel: PKRU: 55555554 > >>> Dec 26 22:52:57 cachyos kernel: note: (udev-worker)[398] exited with irqs > >>> disabled > >>> > >> Still crashing with 6.19 rc3. I have to use the proprietary drivers to > >> have a desktop, but I probably should be using those anyway. > >> > >> Dec 28 21:47:18 cachyos kernel: BUG: kernel NULL pointer dereference, > >> address: > >> 00000000000000cc > >> Dec 28 21:47:18 cachyos kernel: #PF: supervisor read access in kernel mode > >> Dec 28 21:47:18 cachyos kernel: #PF: error_code(0x0000) - not-present page > >> Dec 28 21:47:18 cachyos kernel: PGD 0 P4D 0 > >> Dec 28 21:47:18 cachyos kernel: Oops: Oops: 0000 [#1] SMP NOPTI > >> Dec 28 21:47:18 cachyos kernel: CPU: 3 UID: 0 PID: 410 Comm: (udev-worker) > >> Not > >> tainted 6.19.0-rc3-1-cachyos-rc #1 PREEMPT(full) > >> 048c9ac8e7cc8ed3d1ec452c3a62bf8817030490 > >> Dec 28 21:47:18 cachyos kernel: Hardware name: Micro-Star International > >> Co., > >> Ltd. MS-7E16/X670E GAMING PLUS WIFI (MS-7E16), BIOS 1.C7 10/22/2025 > >> Dec 28 21:47:18 cachyos kernel: RIP: 0010:bit_entry+0x14/0xf0 [nouveau] > >> Dec 28 21:47:18 cachyos kernel: Code: 48 08 f4 0f 1f 00 90 90 90 90 90 90 > >> 90 > >> 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 0f 1f 44 00 00 41 56 41 55 41 89 f5 > >> 41 > >> 54 55 53 <8b> b7 cc 00 00 00 85 f6 0f 84 b0 00 00 00 83 c6 0a 49 89 d6 48 > >> 89 > >> Dec 28 21:47:18 cachyos kernel: RSP: 0018:ffffd1e280bdb6f8 EFLAGS: 00010286 > >> Dec 28 21:47:18 cachyos kernel: RAX: ffff8bec90f54800 RBX: 0000000000000000 > >> RCX: ffffd1e280bdb78f > >> Dec 28 21:47:18 cachyos kernel: RDX: ffffd1e280bdb72a RSI: 0000000000000070 > >> RDI: 0000000000000000 > >> Dec 28 21:47:18 cachyos kernel: RBP: ffff8beca75a1000 R08: ffffd1e280bdb798 > >> R09: 000000000000001f > >> Dec 28 21:47:18 cachyos kernel: R10: 0000000000000002 R11: 0000000000010000 > >> R12: ffffd1e280bdb78f > >> Dec 28 21:47:18 cachyos kernel: R13: 0000000000000070 R14: ffffd1e280bdb798 > >> R15: ffffd1e280bdb78e > >> Dec 28 21:47:18 cachyos kernel: FS: 00007f1ad28a2840(0000) > >> GS:ffff8c03c7130000(0000) knlGS:0000000000000000 > >> Dec 28 21:47:18 cachyos kernel: CS: 0010 DS: 0000 ES: 0000 CR0: > >> 0000000080050033 > >> Dec 28 21:47:18 cachyos kernel: CR2: 00000000000000cc CR3: 00000001184a6000 > >> CR4: 0000000000f50ef0 > >> Dec 28 21:47:18 cachyos kernel: PKRU: 55555554 > >> Dec 28 21:47:18 cachyos kernel: Call Trace: > >> Dec 28 21:47:18 cachyos kernel: <TASK> > >> Dec 28 21:47:18 cachyos kernel: nvbios_pmuEp+0x51/0x130 [nouveau > >> 52ba080e4b7b95996467b34d4d25c4c6ce5aa54d] > >> Dec 28 21:47:18 cachyos kernel: nvkm_gsp_fwsec_init+0x76/0x3c0 [nouveau > >> 52ba080e4b7b95996467b34d4d25c4c6ce5aa54d] > >> Dec 28 21:47:18 cachyos kernel: r535_gsp_oneinit+0x2e4/0x1060 [nouveau > >> 52ba080e4b7b95996467b34d4d25c4c6ce5aa54d] > >> Dec 28 21:47:18 cachyos kernel: gh100_gsp_oneinit+0x33b/0x4d0 [nouveau > >> 52ba080e4b7b95996467b34d4d25c4c6ce5aa54d] > >> Dec 28 21:47:18 cachyos kernel: nvkm_subdev_init_+0x63/0x100 [nouveau > >> 52ba080e4b7b95996467b34d4d25c4c6ce5aa54d] > >> Dec 28 21:47:18 cachyos kernel: nvkm_subdev_init+0x46/0x60 [nouveau > >> 52ba080e4b7b95996467b34d4d25c4c6ce5aa54d] > >> Dec 28 21:47:18 cachyos kernel: nvkm_device_init+0x163/0x1e0 [nouveau > >> 52ba080e4b7b95996467b34d4d25c4c6ce5aa54d] > >> Dec 28 21:47:18 cachyos kernel: nvkm_udevice_init+0x45/0x70 [nouveau > >> 52ba080e4b7b95996467b34d4d25c4c6ce5aa54d] > >> Dec 28 21:47:18 cachyos kernel: nvkm_object_init+0x42/0x120 [nouveau > >> 52ba080e4b7b95996467b34d4d25c4c6ce5aa54d] > >> Dec 28 21:47:18 cachyos kernel: nvkm_ioctl_new+0x1d8/0x290 [nouveau > >> 52ba080e4b7b95996467b34d4d25c4c6ce5aa54d] > >> Dec 28 21:47:18 cachyos kernel: ? __pfx_nvkm_client_child_new+0x10/0x10 > >> [nouveau 52ba080e4b7b95996467b34d4d25c4c6ce5aa54d] > >> Dec 28 21:47:18 cachyos kernel: ? __pfx_nvkm_udevice_new+0x10/0x10 > >> [nouveau > >> 52ba080e4b7b95996467b34d4d25c4c6ce5aa54d] > >> Dec 28 21:47:18 cachyos kernel: nvkm_ioctl+0xba/0x130 [nouveau > >> 52ba080e4b7b95996467b34d4d25c4c6ce5aa54d] > >> Dec 28 21:47:18 cachyos kernel: nvif_object_ctor+0x114/0x190 [nouveau > >> 52ba080e4b7b95996467b34d4d25c4c6ce5aa54d] > >> Dec 28 21:47:18 cachyos kernel: nvif_device_ctor+0x2e/0x70 [nouveau > >> 52ba080e4b7b95996467b34d4d25c4c6ce5aa54d] > >> Dec 28 21:47:18 cachyos kernel: nouveau_drm_device_new+0x15c/0x320 > >> [nouveau > >> 52ba080e4b7b95996467b34d4d25c4c6ce5aa54d] > >> Dec 28 21:47:18 cachyos kernel: nouveau_drm_probe+0xbb/0x210 [nouveau > >> 52ba080e4b7b95996467b34d4d25c4c6ce5aa54d] > >> Dec 28 21:47:18 cachyos kernel: ? __pm_runtime_resume+0x59/0x80 > >> Dec 28 21:47:18 cachyos kernel: pci_device_probe+0x112/0x2d0 > >> Dec 28 21:47:18 cachyos kernel: really_probe+0xde/0x400 > >> Dec 28 21:47:18 cachyos kernel: ? __pfx___driver_attach+0x10/0x10 > >> Dec 28 21:47:18 cachyos kernel: ? __pfx___driver_attach+0x10/0x10 > >> Dec 28 21:47:18 cachyos kernel: __driver_probe_device+0x78/0x150 > >> Dec 28 21:47:18 cachyos kernel: __driver_attach+0xa0/0x340 > >> Dec 28 21:47:18 cachyos kernel: bus_for_each_dev+0x10b/0x160 > >> Dec 28 21:47:18 cachyos kernel: bus_add_driver+0x131/0x280 > >> Dec 28 21:47:18 cachyos kernel: ? __pfx_nouveau_drm_init+0x10/0x10 > >> [nouveau > >> 52ba080e4b7b95996467b34d4d25c4c6ce5aa54d] > >> Dec 28 21:47:18 cachyos kernel: driver_register+0x75/0xe0 > >> Dec 28 21:47:18 cachyos kernel: nouveau_drm_init+0x1b3/0xff0 [nouveau > >> 52ba080e4b7b95996467b34d4d25c4c6ce5aa54d] > >> Dec 28 21:47:18 cachyos kernel: do_one_initcall+0x5b/0x300 > >> Dec 28 21:47:18 cachyos kernel: do_init_module+0x62/0x250 > >> Dec 28 21:47:18 cachyos kernel: ? init_module_from_file+0xd6/0x140 > >> Dec 28 21:47:18 cachyos kernel: init_module_from_file+0xd6/0x140 > >> Dec 28 21:47:18 cachyos kernel: idempotent_init_module+0x118/0x310 > >> Dec 28 21:47:18 cachyos kernel: __x64_sys_finit_module+0x71/0xe0 > >> Dec 28 21:47:18 cachyos systemd-udevd[360]: 0000:01:00.0: Worker [410] > >> terminated by signal 9 (KILL). > >> Dec 28 21:47:18 cachyos kernel: ? syscall_trace_enter+0x91/0x1e0 > >> Dec 28 21:47:18 cachyos kernel: do_syscall_64+0x81/0x630 > >> Dec 28 21:47:18 cachyos kernel: ? do_syscall_64+0x81/0x630 > >> Dec 28 21:47:18 cachyos kernel: ? irq_exit_rcu+0x55/0x100 > >> Dec 28 21:47:18 cachyos kernel: entry_SYSCALL_64_after_hwframe+0x79/0x81 > >> Dec 28 21:47:18 cachyos kernel: RIP: 0033:0x7f1ad316779d > >> Dec 28 21:47:18 cachyos kernel: Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 > >> 90 > >> f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c > >> 24 > >> 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 3b 15 0f 00 f7 d8 64 89 01 > >> 48 > >> Dec 28 21:47:18 cachyos kernel: RSP: 002b:00007ffe71df2278 EFLAGS: 00000246 > >> ORIG_RAX: 0000000000000139 > >> Dec 28 21:47:18 cachyos kernel: RAX: ffffffffffffffda RBX: 000055cb0eb476a0 > >> RCX: 00007f1ad316779d > >> Dec 28 21:47:18 cachyos kernel: RDX: 0000000000000004 RSI: 00007f1ad284d2f2 > >> RDI: 000000000000005d > >> Dec 28 21:47:18 cachyos kernel: RBP: 00007ffe71df2310 R08: 0000000000000000 > >> R09: 000055cb0eb49a70 > >> Dec 28 21:47:18 cachyos kernel: R10: 0000000000000000 R11: 0000000000000246 > >> R12: 00007f1ad284d2f2 > >> Dec 28 21:47:18 cachyos kernel: R13: 0000000000020000 R14: 000055cb0eadd7c0 > >> R15: 000055cb0eb476a0 > >> Dec 28 21:47:18 cachyos kernel: </TASK> > >> Dec 28 21:47:18 cachyos kernel: Modules linked in: dm_mod nouveau(+) > >> drm_ttm_helper ttm gpu_sched uas i2c_algo_bit hid_playstation > >> ghash_clmulni_intel drm_gpuvm nvme usb_storage led_class_multicolor > >> drm_exec > >> aesni_intel ff_memless mxm_wmi nvme_core ccp nvme_keyring > >> drm_display_helper > >> nvme_auth hid_logitech_dj hid_multitouch cec hkdf video wmi > >> Dec 28 21:47:18 cachyos kernel: CR2: 00000000000000cc > >> Dec 28 21:47:18 cachyos kernel: ---[ end trace 0000000000000000 ]--- > >> Dec 28 21:47:18 cachyos kernel: RIP: 0010:bit_entry+0x14/0xf0 [nouveau] > >> Dec 28 21:47:18 cachyos kernel: Code: 48 08 f4 0f 1f 00 90 90 90 90 90 90 > >> 90 > >> 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 0f 1f 44 00 00 41 56 41 55 41 89 f5 > >> 41 > >> 54 55 53 <8b> b7 cc 00 00 00 85 f6 0f 84 b0 00 00 00 83 c6 0a 49 89 d6 48 > >> 89 > >> Dec 28 21:47:18 cachyos kernel: RSP: 0018:ffffd1e280bdb6f8 EFLAGS: 00010286 > >> Dec 28 21:47:18 cachyos kernel: RAX: ffff8bec90f54800 RBX: 0000000000000000 > >> RCX: ffffd1e280bdb78f > >> Dec 28 21:47:18 cachyos kernel: RDX: ffffd1e280bdb72a RSI: 0000000000000070 > >> RDI: 0000000000000000 > >> Dec 28 21:47:18 cachyos kernel: RBP: ffff8beca75a1000 R08: ffffd1e280bdb798 > >> R09: 000000000000001f > >> Dec 28 21:47:18 cachyos kernel: R10: 0000000000000002 R11: 0000000000010000 > >> R12: ffffd1e280bdb78f > >> Dec 28 21:47:18 cachyos kernel: R13: 0000000000000070 R14: ffffd1e280bdb798 > >> R15: ffffd1e280bdb78e > >> Dec 28 21:47:18 cachyos kernel: FS: 00007f1ad28a2840(0000) > >> GS:ffff8c03c7130000(0000) knlGS:0000000000000000 > >> Dec 28 21:47:18 cachyos kernel: CS: 0010 DS: 0000 ES: 0000 CR0: > >> 0000000080050033 > >> Dec 28 21:47:18 cachyos kernel: CR2: 00000000000000cc CR3: 00000001184a6000 > >> CR4: 0000000000f50ef0 > >> Dec 28 21:47:18 cachyos kernel: PKRU: 55555554 > >> Dec 28 21:47:18 cachyos kernel: note: (udev-worker)[410] exited with irqs > >> disabled > >> > >> Does this new kernel require bleeding edge linux-firmware for nvidia? > > Replicated the issue on linux-mainline, so it's not cachyos patches > > causing the problem. Another user has failed to replicate it on various > > 6.19 versions (rc1, rc3) using a 3000 series GPU, so it's likely > > Blackwell specific, as I have a 5070 Ti. > > > > The crash on linux-mainline was complicated by the mt76 string overflow > > issue that still isn't patched in RC3, though. > > > > Dec 28 23:01:13 archlinux kernel: BUG: kernel NULL pointer dereference, > > address: 00000000000000cc > > Dec 28 23:01:13 archlinux kernel: #PF: supervisor read access in kernel mode > > Dec 28 23:01:13 archlinux kernel: #PF: error_code(0x0000) - not-present page > > Dec 28 23:01:13 archlinux kernel: PGD 0 P4D 0 > > Dec 28 23:01:13 archlinux kernel: Oops: Oops: 0000 [#1] SMP NOPTI > > Dec 28 23:01:13 archlinux kernel: CPU: 3 UID: 0 PID: 432 Comm: (udev-worker) > > Not tainted 6.19.0-rc3-1-mainline-dirty #1 PREEMPT(full) > > 6f31553276eb8f2de91bc301e09f6c7cde02609a > > Dec 28 23:01:13 archlinux kernel: Hardware name: Micro-Star International > > Co., > > Ltd. MS-7E16/X670E GAMING PLUS WIFI (MS-7E16), BIOS 1.C7 10/22/2025 > > Dec 28 23:01:13 archlinux kernel: RIP: 0010:bit_entry+0x14/0xf0 [nouveau] > > Dec 28 23:01:13 archlinux kernel: Code: ff e8 80 0b 73 f8 90 90 90 90 90 90 > > 90 > > 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 0f 1f 44 00 00 41 56 41 55 41 89 f5 > > 41 > > 54 55 53 <8b> b7 cc 00 00 00 85 f6 0f 84 b1 00 00 00 83 c6 0a 49 89 d6 48 89 > > Dec 28 23:01:13 archlinux kernel: RSP: 0018:ffffcccc815074b8 EFLAGS: > > 00010296 > > Dec 28 23:01:13 archlinux kernel: RAX: 0000000000000000 RBX: > > 0000000000000000 > > RCX: ffffcccc81507536 > > Dec 28 23:01:13 archlinux kernel: RDX: ffffcccc815074f2 RSI: > > 0000000000000070 > > RDI: 0000000000000000 > > Dec 28 23:01:13 archlinux kernel: RBP: ffffcccc81507536 R08: > > ffffcccc81507537 > > R09: 0000000000001000 > > Dec 28 23:01:13 archlinux kernel: R10: 000000009ffdf000 R11: > > 0000000000000002 > > R12: ffffcccc81507537 > > Dec 28 23:01:13 archlinux kernel: R13: 0000000000000070 R14: > > ffffcccc8150758e > > R15: ffffcccc8150758f > > Dec 28 23:01:13 archlinux kernel: FS: 00007f175c3b8840(0000) > > GS:ffff8aef0298c000(0000) knlGS:0000000000000000 > > Dec 28 23:01:13 archlinux kernel: CS: 0010 DS: 0000 ES: 0000 CR0: > > 0000000080050033 > > Dec 28 23:01:13 archlinux kernel: CR2: 00000000000000cc CR3: > > 0000000116f96000 > > CR4: 0000000000f50ef0 > > Dec 28 23:01:13 archlinux kernel: PKRU: 55555554 > > Dec 28 23:01:13 archlinux kernel: Call Trace: > > Dec 28 23:01:13 archlinux kernel: <TASK> > > Dec 28 23:01:13 archlinux kernel: nvbios_pmuTe+0x4f/0xf0 [nouveau > > 1ced2b39f8fa9b515ea0f917e46ab5fde01df79e] > > Dec 28 23:01:13 archlinux kernel: nvbios_pmuEp+0x4d/0xc0 [nouveau > > 1ced2b39f8fa9b515ea0f917e46ab5fde01df79e] > > Dec 28 23:01:13 archlinux kernel: nvkm_gsp_fwsec_init+0x77/0x3c0 [nouveau > > 1ced2b39f8fa9b515ea0f917e46ab5fde01df79e] > > Dec 28 23:01:13 archlinux kernel: r535_gsp_oneinit+0x25e/0xf90 [nouveau > > 1ced2b39f8fa9b515ea0f917e46ab5fde01df79e] > > Dec 28 23:01:13 archlinux kernel: ? gh100_gsp_oneinit+0x288/0x420 [nouveau > > 1ced2b39f8fa9b515ea0f917e46ab5fde01df79e] > > Dec 28 23:01:13 archlinux kernel: gh100_gsp_oneinit+0x2bc/0x420 [nouveau > > 1ced2b39f8fa9b515ea0f917e46ab5fde01df79e] > > Dec 28 23:01:13 archlinux kernel: nvkm_subdev_oneinit_+0x43/0x90 [nouveau > > 1ced2b39f8fa9b515ea0f917e46ab5fde01df79e] > > Dec 28 23:01:13 archlinux kernel: ? ktime_get+0x3b/0xd0 > > Dec 28 23:01:13 archlinux kernel: nvkm_subdev_init_+0x31/0xa0 [nouveau > > 1ced2b39f8fa9b515ea0f917e46ab5fde01df79e] > > Dec 28 23:01:13 archlinux kernel: ? nvkm_intr_rearm+0xc4/0x1c0 [nouveau > > 1ced2b39f8fa9b515ea0f917e46ab5fde01df79e] > > Dec 28 23:01:13 archlinux kernel: nvkm_subdev_init+0x46/0x60 [nouveau > > 1ced2b39f8fa9b515ea0f917e46ab5fde01df79e] > > Dec 28 23:01:13 archlinux kernel: nvkm_device_init+0x163/0x1e0 [nouveau > > 1ced2b39f8fa9b515ea0f917e46ab5fde01df79e] > > Dec 28 23:01:13 archlinux kernel: nvkm_udevice_init+0x45/0x70 [nouveau > > 1ced2b39f8fa9b515ea0f917e46ab5fde01df79e] > > Dec 28 23:01:13 archlinux kernel: nvkm_object_init+0x42/0x120 [nouveau > > 1ced2b39f8fa9b515ea0f917e46ab5fde01df79e] > > Dec 28 23:01:13 archlinux kernel: nvkm_ioctl_new+0x15c/0x220 [nouveau > > 1ced2b39f8fa9b515ea0f917e46ab5fde01df79e] > > Dec 28 23:01:13 archlinux kernel: ? __pfx_nvkm_client_child_new+0x10/0x10 > > [nouveau 1ced2b39f8fa9b515ea0f917e46ab5fde01df79e] > > Dec 28 23:01:13 archlinux kernel: ? __pfx_nvkm_udevice_new+0x10/0x10 > > [nouveau > > 1ced2b39f8fa9b515ea0f917e46ab5fde01df79e] > > Dec 28 23:01:13 archlinux kernel: nvkm_ioctl+0xba/0x130 [nouveau > > 1ced2b39f8fa9b515ea0f917e46ab5fde01df79e] > > Dec 28 23:01:13 archlinux kernel: nvif_object_ctor+0x114/0x190 [nouveau > > 1ced2b39f8fa9b515ea0f917e46ab5fde01df79e] > > Dec 28 23:01:13 archlinux kernel: nvif_device_ctor+0x2e/0x70 [nouveau > > 1ced2b39f8fa9b515ea0f917e46ab5fde01df79e] > > Dec 28 23:01:13 archlinux kernel: nouveau_drm_device_new+0x15c/0x320 > > [nouveau > > 1ced2b39f8fa9b515ea0f917e46ab5fde01df79e] > > Dec 28 23:01:13 archlinux kernel: ? __pci_set_master+0x5e/0xe0 > > Dec 28 23:01:13 archlinux kernel: nouveau_drm_probe+0xb9/0x210 [nouveau > > 1ced2b39f8fa9b515ea0f917e46ab5fde01df79e] > > Dec 28 23:01:13 archlinux kernel: ? __pm_runtime_resume+0x5f/0x90 > > Dec 28 23:01:13 archlinux kernel: local_pci_probe+0x42/0x90 > > Dec 28 23:01:13 archlinux kernel: pci_device_probe+0xda/0x280 > > Dec 28 23:01:13 archlinux kernel: ? sysfs_do_create_link_sd+0x6d/0xd0 > > Dec 28 23:01:13 archlinux kernel: really_probe+0xde/0x380 > > Dec 28 23:01:13 archlinux kernel: __driver_probe_device+0x78/0x150 > > Dec 28 23:01:13 archlinux kernel: driver_probe_device+0x1f/0xa0 > > Dec 28 23:01:13 archlinux kernel: ? __pfx___driver_attach+0x10/0x10 > > Dec 28 23:01:13 archlinux kernel: __driver_attach+0xcb/0x200 > > Dec 28 23:01:13 archlinux kernel: bus_for_each_dev+0x85/0xd0 > > Dec 28 23:01:13 archlinux kernel: bus_add_driver+0x118/0x200 > > Dec 28 23:01:13 archlinux kernel: ? __pfx_nouveau_drm_init+0x10/0x10 > > [nouveau > > 1ced2b39f8fa9b515ea0f917e46ab5fde01df79e] > > Dec 28 23:01:13 archlinux kernel: driver_register+0x75/0xe0 > > Dec 28 23:01:13 archlinux kernel: nouveau_drm_init+0x1b3/0xff0 [nouveau > > 1ced2b39f8fa9b515ea0f917e46ab5fde01df79e] > > Dec 28 23:01:13 archlinux kernel: do_one_initcall+0x5b/0x300 > > Dec 28 23:01:13 archlinux kernel: do_init_module+0x62/0x250 > > Dec 28 23:01:13 archlinux systemd-udevd[359]: 0000:01:00.0: Worker [432] > > terminated by signal 9 (KILL). > > Dec 28 23:01:13 archlinux kernel: init_module_from_file+0xd8/0x140 > > Dec 28 23:01:13 archlinux kernel: idempotent_init_module+0x114/0x310 > > Dec 28 23:01:13 archlinux kernel: __x64_sys_finit_module+0x71/0xe0 > > Dec 28 23:01:13 archlinux kernel: ? syscall_trace_enter+0x8d/0x1d0 > > Dec 28 23:01:13 archlinux kernel: do_syscall_64+0x81/0x610 > > Dec 28 23:01:13 archlinux kernel: ? do_sys_openat2+0xac/0xf0 > > Dec 28 23:01:13 archlinux kernel: ? __x64_sys_openat+0x61/0xa0 > > Dec 28 23:01:13 archlinux kernel: ? do_syscall_64+0x81/0x610 > > Dec 28 23:01:13 archlinux kernel: ? do_sys_openat2+0xac/0xf0 > > Dec 28 23:01:13 archlinux kernel: ? __x64_sys_openat+0x61/0xa0 > > Dec 28 23:01:13 archlinux kernel: ? do_syscall_64+0x81/0x610 > > Dec 28 23:01:13 archlinux kernel: ? __x64_sys_openat+0x61/0xa0 > > Dec 28 23:01:13 archlinux kernel: ? do_syscall_64+0x81/0x610 > > Dec 28 23:01:13 archlinux kernel: ? sched_clock+0x10/0x30 > > Dec 28 23:01:13 archlinux kernel: ? sched_clock_cpu+0xf/0x200 > > Dec 28 23:01:13 archlinux kernel: ? > > __flush_smp_call_function_queue+0xae/0x410 > > Dec 28 23:01:13 archlinux kernel: ? sched_clock_cpu+0xf/0x200 > > Dec 28 23:01:13 archlinux kernel: ? irqtime_account_irq+0x3c/0xc0 > > Dec 28 23:01:13 archlinux kernel: ? __irq_exit_rcu+0x4c/0xf0 > > Dec 28 23:01:13 archlinux kernel: entry_SYSCALL_64_after_hwframe+0x76/0x7e > > Dec 28 23:01:13 archlinux kernel: RIP: 0033:0x7f175cc7d79d > > Dec 28 23:01:13 archlinux kernel: Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 > > 90 > > f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c > > 24 > > 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 3b 15 0f 00 f7 d8 64 89 01 48 > > Dec 28 23:01:13 archlinux kernel: RSP: 002b:00007ffeea4f46a8 EFLAGS: > > 00000246 > > ORIG_RAX: 0000000000000139 > > Dec 28 23:01:13 archlinux kernel: RAX: ffffffffffffffda RBX: > > 0000561d180f9e90 > > RCX: 00007f175cc7d79d > > Dec 28 23:01:13 archlinux kernel: RDX: 0000000000000004 RSI: > > 00007f175c3632f2 > > RDI: 000000000000008d > > Dec 28 23:01:13 archlinux kernel: RBP: 00007ffeea4f4740 R08: > > 0000000000000000 > > R09: 0000561d180fd7d0 > > Dec 28 23:01:13 archlinux kernel: R10: 0000000000000000 R11: > > 0000000000000246 > > R12: 00007f175c3632f2 > > Dec 28 23:01:13 archlinux kernel: R13: 0000000000020000 R14: > > 0000561d180f9210 > > R15: 0000561d180f9e90 > > Dec 28 23:01:13 archlinux kernel: </TASK> > > Dec 28 23:01:13 archlinux kernel: Modules linked in: dm_mod nouveau(+) > > drm_ttm_helper ttm gpu_sched uas hid_playstation i2c_algo_bit > > ghash_clmulni_intel nvme usb_storage drm_gpuvm led_class_multicolor > > aesni_intel ff_memless drm_exec nvme_core mxm_wmi ccp nvme_keyring > > drm_display_helper nvme_auth hid_logitech_dj(+) video hkdf hid_multitouch > > cec > > wmi > > Dec 28 23:01:13 archlinux kernel: CR2: 00000000000000cc > > Dec 28 23:01:13 archlinux kernel: ---[ end trace 0000000000000000 ]--- > > Dec 28 23:01:13 archlinux kernel: RIP: 0010:bit_entry+0x14/0xf0 [nouveau] > > Dec 28 23:01:13 archlinux kernel: Code: ff e8 80 0b 73 f8 90 90 90 90 90 90 > > 90 > > 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 0f 1f 44 00 00 41 56 41 55 41 89 f5 > > 41 > > 54 55 53 <8b> b7 cc 00 00 00 85 f6 0f 84 b1 00 00 00 83 c6 0a 49 89 d6 48 89 > > Dec 28 23:01:13 archlinux kernel: RSP: 0018:ffffcccc815074b8 EFLAGS: > > 00010296 > > Dec 28 23:01:13 archlinux kernel: RAX: 0000000000000000 RBX: > > 0000000000000000 > > RCX: ffffcccc81507536 > > Dec 28 23:01:13 archlinux kernel: RDX: ffffcccc815074f2 RSI: > > 0000000000000070 > > RDI: 0000000000000000 > > Dec 28 23:01:13 archlinux kernel: RBP: ffffcccc81507536 R08: > > ffffcccc81507537 > > R09: 0000000000001000 > > Dec 28 23:01:13 archlinux kernel: R10: 000000009ffdf000 R11: > > 0000000000000002 > > R12: ffffcccc81507537 > > Dec 28 23:01:13 archlinux kernel: R13: 0000000000000070 R14: > > ffffcccc8150758e > > R15: ffffcccc8150758f > > Dec 28 23:01:13 archlinux kernel: FS: 00007f175c3b8840(0000) > > GS:ffff8aef0298c000(0000) knlGS:0000000000000000 > > Dec 28 23:01:13 archlinux kernel: CS: 0010 DS: 0000 ES: 0000 CR0: > > 0000000080050033 > > Dec 28 23:01:13 archlinux kernel: CR2: 00000000000000cc CR3: > > 0000000116f96000 > > CR4: 0000000000f50ef0 > > Dec 28 23:01:13 archlinux kernel: PKRU: 55555554 > > Dec 28 23:01:13 archlinux kernel: note: (udev-worker)[432] exited with irqs > > disabled > > > I started having the same error when upgrading from 6.18.3 to 6.18.4 on > RTX 5080. > > Bug line is drivers/gpu/drm/nouveau/nvkm/subdev/bios/bit.c:30 because > 'bios' is NULL. > > Not sure where it has to be set but in > drivers/gpu/drm/nouveau/nvkm/subdev/gsp/fwsec.c:266 it's NULL. > >
There's a patch staged, "nouveau: don't attempt fwsec on sb on newer platforms." This corrects the issue.
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