Public bug reported:
The system was restored from hibernation this morning, but the issue did
not exhibit for ~30 minutes after "boot". I have also seen hard locks
without hibernation (but they have never produced any journal output, so
may be a different issue). Examining `journalctl -k`, I see something
like the below repeated every few seconds. I've attached `journalctl
-k`s output (truncated from unhibernate this morning).
Nov 27 09:42:09 surprise kernel: watchdog: BUG: soft lockup - CPU#10 stuck for
22s! [Xorg:13615]
Nov 27 09:42:09 surprise kernel: Modules linked in: hid_logitech unix_diag
vhost_net tap vhost_vsock vmw_vsock_virtio_transport_common vhost vsock
vhost_iotlb binfmt_misc veth nft_masq zfs(PO) zunicode(PO) zavl(PO) icp(PO)
zcommon(PO) znvpair(PO) spl(O) zlua(PO) xt_CHECKSUM xt_MASQUERADE xt_conntrack
ipt_REJECT nf_reject_ipv4 xt_tcpudp nft_compat nft_counter nft_chain_nat nf_nat
nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables nfnetlink bridge stp llc
aufs rdma_ucm ib_uverbs rdma_cm iw_cm ib_cm ib_core overlay nls_iso8859_1
snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi
snd_hda_intel snd_intel_dspcfg snd_usb_audio snd_hda_codec uvcvideo
snd_hda_core snd_usbmidi_lib videobuf2_vmalloc videobuf2_memops snd_hwdep
videobuf2_v4l2 snd_seq_midi videobuf2_common snd_seq_midi_event snd_rawmidi
edac_mce_amd videodev snd_pcm kvm_amd snd_seq mc input_leds kvm snd_seq_device
joydev snd_timer ucsi_ccg typec_ucsi snd typec soundcore ccp rapl wmi_bmof
k10temp efi_pstore mac_hid nvidia_uvm(OE)
Nov 27 09:42:09 surprise kernel: sch_fq_codel parport_pc ppdev lp parport
ip_tables x_tables autofs4 btrfs blake2b_generic xor raid6_pq libcrc32c
dm_crypt hid_logitech_hidpp hid_microsoft hid_logitech_dj ff_memless
hid_generic usbhid hid nvidia_drm(POE) nvidia_modeset(POE) nvidia(POE)
crct10dif_pclmul crc32_pclmul ghash_clmulni_intel drm_kms_helper aesni_intel
syscopyarea sysfillrect sysimgblt fb_sys_fops crypto_simd cec cryptd
glue_helper rc_core drm i2c_piix4 i2c_nvidia_gpu nvme r8169 ahci xhci_pci
nvme_core realtek xhci_pci_renesas libahci wmi gpio_amdpt gpio_generic
Nov 27 09:42:09 surprise kernel: CPU: 10 PID: 13615 Comm: Xorg Tainted: P
OE 5.8.0-29-generic #31-Ubuntu
Nov 27 09:42:09 surprise kernel: Hardware name: Gigabyte Technology Co., Ltd.
B450M DS3H/B450M DS3H-CF, BIOS F4 01/25/2019
Nov 27 09:42:09 surprise kernel: RIP: 0010:_nv001550kms+0x16/0x70
[nvidia_modeset]
Nov 27 09:42:09 surprise kernel: Code: 53 28 e9 0e fe ff ff 66 2e 0f 1f 84 00
00 00 00 00 0f 1f 00 41 54 55 49 89 fc 53 48 8d 5f 38 48 89 f5 48 89 df e8 9a
48 00 00 <84> c0 75 46 49 8b 54 24 40 48 39 d3 48 8b 42 18 74 17 48 39 c5 75
Nov 27 09:42:09 surprise kernel: RSP: 0018:ffffb479cf577910 EFLAGS: 00000287
Nov 27 09:42:09 surprise kernel: RAX: ffffffffc1a15800 RBX: ffff9c30b2233640
RCX: 00000000001f1623
Nov 27 09:42:09 surprise kernel: RDX: ffff9c2fd6186ac8 RSI: ffff9c2d33ef4008
RDI: ffff9c30b2233640
Nov 27 09:42:09 surprise kernel: RBP: ffff9c2d33ef4008 R08: ffffb479cf577830
R09: 0000000000000001
Nov 27 09:42:09 surprise kernel: R10: ffff9c2cd20fbbc0 R11: 000000000000001a
R12: ffff9c30b2233608
Nov 27 09:42:09 surprise kernel: R13: 0000000000000000 R14: ffff9c2d33ef4008
R15: 0000000000000002
Nov 27 09:42:09 surprise kernel: FS: 00007f82d95e4a40(0000)
GS:ffff9c30cf080000(0000) knlGS:0000000000000000
Nov 27 09:42:09 surprise kernel: CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
Nov 27 09:42:09 surprise kernel: CR2: 000055683e860ff8 CR3: 000000037893c000
CR4: 00000000003406e0
Nov 27 09:42:09 surprise kernel: Call Trace:
Nov 27 09:42:09 surprise kernel: ? _nv001123kms+0xb2/0x400 [nvidia_modeset]
Nov 27 09:42:09 surprise kernel: ? _nv000732kms+0x1e/0x80 [nvidia_modeset]
Nov 27 09:42:09 surprise kernel: ? _nv002395kms+0x112/0x130 [nvidia_modeset]
Nov 27 09:42:09 surprise kernel: ? _nv000515kms+0xd1/0xe1 [nvidia_modeset]
Nov 27 09:42:09 surprise kernel: ? _nv000019kms+0x230/0x6fc [nvidia_modeset]
Nov 27 09:42:09 surprise kernel: ? kfree+0xb8/0x220
Nov 27 09:42:09 surprise kernel: ? os_free_mem+0x22/0x30 [nvidia]
Nov 27 09:42:09 surprise kernel: ? _nv008503rm+0xbe/0x100 [nvidia]
Nov 27 09:42:09 surprise kernel: ? _nv035038rm+0x2a/0x60 [nvidia]
Nov 27 09:42:09 surprise kernel: ? _nv030385rm+0x23/0x40 [nvidia]
Nov 27 09:42:09 surprise kernel: ? _nv033621rm+0x58/0xf0 [nvidia]
Nov 27 09:42:09 surprise kernel: ? _nv008135rm+0x33c/0x3f0 [nvidia]
Nov 27 09:42:09 surprise kernel: ? os_acquire_spinlock+0x12/0x30 [nvidia]
Nov 27 09:42:09 surprise kernel: ? os_release_spinlock+0x1a/0x20 [nvidia]
Nov 27 09:42:09 surprise kernel: ? _nv037019rm+0xa1/0x190 [nvidia]
Nov 27 09:42:09 surprise kernel: ? nvidia_modeset_rm_ops_free_stack+0x1d/0x20
[nvidia]
Nov 27 09:42:09 surprise kernel: ? _nv002759kms+0x12a0/0x1470 [nvidia_modeset]
Nov 27 09:42:09 surprise kernel: ? mpol_rebind_preferred+0x1c0/0x1c0
Nov 27 09:42:09 surprise kernel: ? _nv000531kms+0x50/0x50 [nvidia_modeset]
Nov 27 09:42:09 surprise kernel: ? nvKmsIoctl+0x96/0x1d0 [nvidia_modeset]
Nov 27 09:42:09 surprise kernel: ? nvkms_ioctl+0xfd/0x170 [nvidia_modeset]
Nov 27 09:42:09 surprise kernel: ? nvidia_frontend_unlocked_ioctl+0x3b/0x50
[nvidia]
Nov 27 09:42:09 surprise kernel: ? ksys_ioctl+0x8e/0xc0
Nov 27 09:42:09 surprise kernel: ? __x64_sys_ioctl+0x1a/0x20
Nov 27 09:42:09 surprise kernel: ? do_syscall_64+0x49/0xc0
Nov 27 09:42:09 surprise kernel: ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
ProblemType: Bug
DistroRelease: Ubuntu 20.10
Package: nvidia-driver-450 450.80.02-0ubuntu1
ProcVersionSignature: Ubuntu 5.8.0-29.31-generic 5.8.14
Uname: Linux 5.8.0-29-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair nvidia_modeset
nvidia
ApportVersion: 2.20.11-0ubuntu50.2
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: i3
Date: Fri Nov 27 10:11:35 2020
InstallationDate: Installed on 2019-05-07 (569 days ago)
InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
SourcePackage: nvidia-graphics-drivers-450
UpgradeStatus: Upgraded to groovy on 2020-06-22 (157 days ago)
** Affects: nvidia-graphics-drivers-450 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug groovy
** Attachment added: "journal"
https://bugs.launchpad.net/bugs/1905984/+attachment/5438771/+files/journal
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https://bugs.launchpad.net/bugs/1905984
Title:
Hard lockup with "watchdog: BUG: soft lockup - CPU#10 stuck for 22s!
[Xorg:13615]" in the journal
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