Arch Linux

Description:

Kernel oopses when booting and while SDDM loads, it is often impossible to login to KDE as the system hangs during the login splash screen. Relevant dmesg output shown below:

[ 1.681299] fb: switching to nouveaufb from VESA VGA
[ 1.681324] Console: switching to colour dummy device 80x25
[ 1.681692] nouveau 0000:01:00.0: NVIDIA GT218 (0a8e00a2)
[ 1.703155] nouveau 0000:01:00.0: bios: version 70.18.49.03.02
[ 1.703548] nouveau 0000:01:00.0: bios: OOB 1 01452301 01452301
[ 1.703556] nouveau 0000:01:00.0: bios: OOB 1 2223aef3 2223aef3
[ 1.703562] nouveau 0000:01:00.0: bios: OOB 1 2223aef3 2223aef3
[ 1.703568] nouveau 0000:01:00.0: bios: OOB 1 2223aef3 2223aef3
[ 1.704228] nouveau 0000:01:00.0: fb: 512 MiB DDR3
[ 1.758079] [TTM] Zone kernel: Available graphics memory: 4053946 kiB
[ 1.758081] [TTM] Zone dma32: Available graphics memory: 2097152 kiB
[ 1.758082] [TTM] Initializing pool allocator
[ 1.758090] [TTM] Initializing DMA pool allocator
[ 1.758113] nouveau 0000:01:00.0: DRM: VRAM: 512 MiB
[ 1.758115] nouveau 0000:01:00.0: DRM: GART: 1048576 MiB
[ 1.758120] nouveau 0000:01:00.0: DRM: TMDS table version 2.0
[ 1.758122] nouveau 0000:01:00.0: DRM: DCB version 4.0
[ 1.758126] nouveau 0000:01:00.0: DRM: DCB outp 00: 048003b6 0f200014
[ 1.758129] nouveau 0000:01:00.0: DRM: DCB outp 01: 02011300 00000000
[ 1.758131] nouveau 0000:01:00.0: DRM: DCB outp 02: 028223a6 0f220010
[ 1.758134] nouveau 0000:01:00.0: DRM: DCB outp 03: 02022362 00020010
[ 1.758136] nouveau 0000:01:00.0: DRM: DCB outp 04: 088333c6 0f220010
[ 1.758139] nouveau 0000:01:00.0: DRM: DCB outp 05: 08033382 00020010
[ 1.758142] nouveau 0000:01:00.0: DRM: DCB conn 00: 00002047
[ 1.758144] nouveau 0000:01:00.0: DRM: DCB conn 01: 00000100
[ 1.758146] nouveau 0000:01:00.0: DRM: DCB conn 02: 00101246
[ 1.758148] nouveau 0000:01:00.0: DRM: DCB conn 03: 00210346
[ 1.795538] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[ 1.795539] [drm] Driver supports precise vblank timestamp query.
[ 1.795670] nouveau 0000:01:00.0: hwmon_device_register() is deprecated. Please convert the driver to use hwmon_device_register_with_info().
[ 1.834949] nouveau 0000:01:00.0: DRM: MM: using COPY for buffer copies
[ 1.867074] nouveau 0000:01:00.0: DRM: allocated 2560x1600 fb: 0x70000, bo ffff88023365ec00
[ 1.867170] random: fast init done
[ 1.868451] fbcon: nouveaufb (fb0) is primary device
[ 1.874528] BUG: unable to handle kernel NULL pointer dereference at 0000000000000020
[ 1.874570] IP: nv50_mstm_service+0x1a/0xc0 [nouveau]
[ 1.874571] PGD 2338e8067
[ 1.874571] PUD 2338e6067
[ 1.874572] PMD 0

[ 1.874576] Oops: 0000 [#1] PREEMPT SMP
[ 1.874577] Modules linked in: nouveau(+) button video led_class mxm_wmi wmi i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm drm
[ 1.874586] CPU: 3 PID: 30 Comm: kworker/3:0 Not tainted 4.10.6-1-ARCH #1
[ 1.874586] Hardware name: Hewlett-Packard HP EliteBook 8440w/172B, BIOS 68CCU Ver. F.23 03/07/2013
[ 1.874635] Workqueue: events nvif_notify_work [nouveau]
[ 1.874637] task: ffff880235c35b00 task.stack: ffffc90000da0000
[ 1.874709] RIP: 0010:nv50_mstm_service+0x1a/0xc0 [nouveau]
[ 1.874709] RSP: 0018:ffffc90000da3db8 EFLAGS: 00010296
[ 1.874711] RAX: ffff88023386cc00 RBX: ffff880233b42408 RCX: ffff88023386cc00
[ 1.874712] RDX: ffff880235cb0a2c RSI: 000000000000002a RDI: 0000000000000000
[ 1.874712] RBP: ffffc90000da3de8 R08: ffff8802363b2d48 R09: 0000000000000020
[ 1.874713] R10: 0000000000000080 R11: 0000000000000737 R12: 0000000000000008
[ 1.874714] R13: ffff880233b42000 R14: 0000000000000000 R15: ffff8802361323c0
[ 1.874715] FS: 0000000000000000(0000) GS:ffff88023fcc0000(0000) knlGS:0000000000000000
[ 1.874716] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1.874717] CR2: 0000000000000020 CR3: 00000002338e4000 CR4: 00000000000006e0
[ 1.874718] Call Trace:
[ 1.874765] nouveau_connector_hotplug+0x61/0x120 [nouveau]
[ 1.874793] nvif_notify_work+0x27/0xa0 [nouveau]
[ 1.874796] ? pwq_dec_nr_in_flight+0x4d/0xa0
[ 1.874798] process_one_work+0x1e5/0x470
[ 1.874799] worker_thread+0x48/0x4e0
[ 1.874800] kthread+0x101/0x140
[ 1.874801] ? process_one_work+0x470/0x470
[ 1.874802] ? kthread_create_on_node+0x60/0x60
[ 1.874804] ret_from_fork+0x2c/0x40
[ 1.874805] Code: 75 07 48 83 c4 10 5b 5d c3 e8 63 74 eb e0 0f 1f 00 66 66 66 66 90 55 48 89 e5 41 55 41 54 53 4c 8d 67 08 48 83 ec 18 c6 45 d7 01 <48> 8b 5f 20 65 48 8b 04 25 28 00 00 00 48 89 45 e0 31 c0 48 8d
[ 1.874852] RIP: nv50_mstm_service+0x1a/0xc0 [nouveau] RSP: ffffc90000da3db8
[ 1.874852] CR2: 0000000000000020
[ 1.874854] ---[ end trace f6b5269094664713 ]---
[ 2.133803] Console: switching to colour frame buffer device 200x56
[ 2.158686] nouveau 0000:01:00.0: fb0: nouveaufb frame buffer device
[ 2.178170] [drm] Initialized nouveau 1.3.1 20120801 for 0000:01:00.0 on minor 0

Additional info:
* package version(s)

# pacman -Q linux
linux 4.10.6-1