[COMPLETE SYSTEM HANG] "watchdog: BUG: soft lockup - CPU#6 stuck for 23s! [brave:75851]"

[bill88t]

Description

After attempting to close Brave, I got a complete system freeze.
CPU#6 was stuck on brave and brought the machine down with it..
It may be related to nvidia graphics drivers, but I really don't know.
Note: I have set brave to NOT run in the backround after closing. So all the threads should started to terminate.
no brave crashlog has been generated

Ubuntu 20.04.3 LTS x86_64 5.4.0-81-generic
Intel i5-10400F (12) @ 4.300GHz
NVIDIA GeForce GT 1030

Steps to Reproduce

Atm, I don't know how to reproduce it. It's a one off.
Still, such a cpu lockup should not have happened. EVER.

Brave version (brave://version info)

Brave 1.28.106 Chromium: 92.0.4515.159 (Official Build) (64-bit)
Revision 0185b8a19c88c5dfd3e6c0da6686d799e9bc3b52-refs/branch-heads/4515@{#2052}
OS Linux
JavaScript V8 9.2.230.29
User Agent Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36
Command Line /opt/brave.com/brave/brave --enable-crashpad --enable-dom-distiller --disable-domain-reliability --no-pings --origin-trial-public-key=bYUKPJoPnCxeNvu72j4EmPuK7tr1PAC7SHh8ld9Mw3E=,fMS4mpO6buLQ/QMd+zJmxzty/VQ6B1EUZqoCU04zoRU= --sync-url=https://sync-v2.brave.com/v2 --lso-url=https://no-thanks.invalid --variations-server-url=https://variations.brave.com/seed --enable-features=WebUIDarkMode,PasswordImport,ReducedReferrerGranularity,PrefetchPrivacyChanges,AutoupgradeMixedContent,SafetyTip,LegacyTLSEnforced,DnsOverHttps --disable-features=FirstPartySets,HandwritingRecognitionWebPlatformApi,FlocIdComputedEventLogging,HandwritingRecognitionWebPlatformApiFinch,EnableProfilePickerOnStartup,TextFragmentAnchor,AutofillEnableAccountWalletStorage,FledgeInterestGroupAPI,TrustTokens,DirectSockets,WebOTP,NotificationTriggers,InterestCohortFeaturePolicy,FledgeInterestGroups,SignedExchangePrefetchCacheForNavigations,PrivacySandboxSettings,FederatedLearningOfCohorts,AutofillServerCommunication,LiveCaption,InterestCohortAPIOriginTrial,LangClientHintHeader,SubresourceWebBundles,NetworkTimeServiceQuerying,IdleDetection,SignedExchangeSubresourcePrefetch,EnablePasswordsAccountStorage --flag-switches-begin --flag-switches-end
Executable Path /opt/brave.com/brave/brave
Profile Path /home/bill88t/.config/BraveSoftware/Brave-Browser/Default
Variations AdRewardsStudy:NextPaymentDay
EphemeralStorageStudy:Enabled
NativeCosmeticFilteringStudy:Enabled
PermissionLifetimeReleaseStudy:Enabled
SpeedreaderReleaseStudy:Disabled

Miscellaneous Information:

useful output from "journalctl -b -1":

watchdog: BUG: soft lockup - CPU#6 stuck for 23s! [brave:75851]
Modules linked in: xt_recent ccm vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) rfcomm nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo br_netfilt>
snd_seq_midi_event btusb snd_rawmidi btrtl libarc4 btbcm btintel kvm_intel snd_seq bluetooth uvcvideo videobuf2_vmalloc iwlwifi kvm videobuf2_>
nvme_core ahci realtek libahci wmi video
CPU: 6 PID: 75851 Comm: brave Tainted: P OEL 5.4.0-81-generic #91-Ubuntu
Hardware name: Micro-Star International Co., Ltd. MS-7C83/B460M PRO-VDH WIFI (MS-7C83), BIOS 1.00 05/13/2020
RIP: 0010:_nv035844rm+0xa0/0xe0 [nvidia]
Code: b8 48 01 00 00 e8 80 5a ff ff 49 8b 4c 24 20 48 89 c2 48 89 ef 48 8d b1 48 01 00 00 4c 89 e9 e8 a6 5b ff ff 66 0f 1f 44 00 00 <48> 89 ef >
RSP: 0018:ffffb31cc27dfb70 EFLAGS: 00000203 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000001 RBX: ffff8986c33cf830 RCX: ffff8987746f5978
RDX: ffffdf995e65a948 RSI: ffffdf995e65c9af RDI: ffff89871472ad20
RBP: ffff89871472ad20 R08: 0000000000000020 R09: ffff89871472ad28
R10: 0000000000000000 R11: 0000000000000001 R12: ffff898770df5af8
R13: ffffdf995a91d327 R14: ffff89871472ad98 R15: ffff8986c33cf830
FS: 00007f342f9265c0(0000) GS:ffff89877e980000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f70f6fba9d0 CR3: 000000021ca0a002 CR4: 00000000007606e0
55555554
Call Trace:
? _nv014655rm+0x2ee/0x770 [nvidia]
? _nv037695rm+0xb3/0x150 [nvidia]
? _nv037694rm+0x297/0x4e0 [nvidia]
? _nv037689rm+0x60/0x70 [nvidia]
? _nv037690rm+0x7b/0xb0 [nvidia]
? _nv036056rm+0x40/0xe0 [nvidia]
? _nv000699rm+0x68/0x80 [nvidia]
? rm_cleanup_file_private+0xea/0x160 [nvidia]
? nvidia_close+0x149/0x2d0 [nvidia]
? nvidia_frontend_close+0x2f/0x50 [nvidia]
? __fput+0xcc/0x260
? ____fput+0xe/0x10
? task_work_run+0x8f/0xb0
? do_exit+0x36e/0xaf0
? __secure_computing+0x42/0xe0
? syscall_trace_enter+0x134/0x2b0
? do_group_exit+0x47/0xb0
? __x64_sys_exit_group+0x18/0x20
? do_syscall_64+0x57/0x190
? entry_SYSCALL_64_after_hwframe+0x44/0xa9

[mu-aleph]

This also just happened to me, had one tab opened and was closing Brave.

Kernel Oops, and had to hard reboot:

$ uname -ra
Linux x 5.13.0-28-generic #31~20.04.1-Ubuntu SMP

$ lspci -vvvk | grep -A 2 -i "nvidia" | grep "GTX|Kernel modules"
49:00.0 VGA compatible controller: NVIDIA Corporation GP102 [GeForce GTX 1080 Ti] (rev a1) (prog-if 00 [VGA controller])
Subsystem: Gigabyte Technology Co., Ltd GP102 [GeForce GTX 1080 Ti]
Kernel modules: nvidiafb, nouveau, nvidia_drm, nvidia
4a:00.0 VGA compatible controller: NVIDIA Corporation GP102 [GeForce GTX 1080 Ti] (rev a1) (prog-if 00 [VGA controller])
Subsystem: Gigabyte Technology Co., Ltd GP102 [GeForce GTX 1080 Ti]
Kernel modules: nvidiafb, nouveau, nvidia_drm, nvidia

$ sudo grep -Eo "CPU: [0-9]" /var/log/syslog | sort | uniq -c
1 CPU: 0
5 CPU: 1
4 CPU: 3
27 CPU: 4
26 CPU: 5
1 CPU: 6
27 CPU: 7

$ sudo grep -Eo "Comm: [a-Z]* Tainted:" /var/log/syslog | sort | uniq -c
1 Comm: brave Tainted:
6 Comm: chrome Tainted:
1 Comm: code Tainted:
27 Comm: thermald Tainted:
26 Comm: VizCompositorTh Tainted:

$ brave-browser --version
Brave Browser 98.1.35.101

brave-browser.desktop[362436]: [362474:362492:0217/060029.777537:ERROR:node_controller.cc(585)] Trying to re-add dropped peer C4EA2B8F904A0A12.44B631B1E3F08D06 brave-browser.desktop[362436]: [362476:4:0217/060029.777611:ERROR:node_controller.cc(585)] Trying to re-add dropped peer C4EA2B8F904A0A12.44B631B1E3F08D06 brave-browser.desktop[362436]: [362476:4:0217/060031.505188:ERROR:node_controller.cc(585)] Trying to re-add dropped peer B1ACC5EA2FEA96EC.E48E0A4E57BE17E8 brave-browser.desktop[362436]: [362476:4:0217/060031.520771:ERROR:node_controller.cc(585)] Trying to re-add dropped peer AB8666942D2D6933.459F01C437B3F8D6 systemd[2357]: gnome-launched-brave-browser.desktop-362430.scope: Succeeded. kernel: [562631.165616] BUG: kernel NULL pointer dereference, address: 000000000000000b kernel: [562631.165619] #PF: supervisor read access in kernel mode kernel: [562631.165621] #PF: error_code(0x0000) - not-present page kernel: [562631.165622] PGD 0 P4D 0 kernel: [562631.165623] Oops: 0000 [#1] SMP PTI kernel: [562631.165625] CPU: 0 PID: 362562 Comm: brave Tainted: P W OE 5.13.0-28-generic #31~20.04.1-Ubuntu kernel: [562631.165627] Hardware name: Gigabyte Technology Co., Ltd. Z270X-Gaming 9/Z270X-Gaming 9, BIOS F9f 07/22/2020 kernel: [562631.165628] RIP: 0010:_nv029004rm+0x35/0x90 [nvidia] kernel: [562631.165913] Code: 57 10 31 c0 48 85 d2 74 2e 48 8b 4f 08 31 c0 48 85 c9 74 0d 48 63 41 14 48 89 d6 48 29 c6 48 89 f0 48 3b 57 18 48 89 07 74 1b <48> 8b 42 08 48 89 47 10 b8 01 00 00 00 48 83 c4 08 c3 66 0f 1f 84 kernel: [562631.165915] RSP: 0018:ffffb2364599bac0 EFLAGS: 00010206 kernel: [562631.165916] RAX: 0000000000000003 RBX: ffff92caebeab030 RCX: ffff92ce34c4ad78 kernel: [562631.165917] RDX: 0000000000000003 RSI: 0000000000000003 RDI: ffff92cd72bfad20 kernel: [562631.165918] RBP: ffff92cd72bfad20 R08: 0000000000000020 R09: ffff92cd72bfad28 kernel: [562631.165919] R10: 0000000000000000 R11: 0000000000000001 R12: ffff92ca87e8c498 kernel: [562631.165920] R13: 0000000000000000 R14: ffff92cd72bfad98 R15: ffff92caebeab030 kernel: [562631.165921] FS: 0000000000000000(0000) GS:ffff92d9bea00000(0000) knlGS:0000000000000000 kernel: [562631.165922] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kernel: [562631.165923] CR2: 000000000000000b CR3: 0000000f1ce10004 CR4: 00000000003706f0 kernel: [562631.165924] Call Trace: kernel: [562631.165925] <TASK> kernel: [562631.165927] ? _nv035891rm+0xa8/0xe0 [nvidia] kernel: [562631.166145] ? _nv014660rm+0x2ee/0x770 [nvidia] kernel: [562631.166357] ? _nv037748rm+0xb3/0x150 [nvidia] kernel: [562631.166570] ? _nv037747rm+0x297/0x4e0 [nvidia] kernel: [562631.166784] ? _nv037742rm+0x60/0x70 [nvidia] kernel: [562631.166994] ? _nv037743rm+0x7b/0xb0 [nvidia] kernel: [562631.167208] ? _nv036103rm+0x40/0xe0 [nvidia] kernel: [562631.167340] ? _nv000699rm+0x68/0x80 [nvidia] kernel: [562631.167518] ? rm_cleanup_file_private+0xea/0x160 [nvidia] kernel: [562631.167697] ? free_unref_page+0x59/0x80 kernel: [562631.167701] ? nvidia_close+0x15f/0x2e0 [nvidia] kernel: [562631.167806] ? nvidia_frontend_close+0x2f/0x50 [nvidia] kernel: [562631.167912] ? __fput+0x9f/0x250 kernel: [562631.167913] ? ____fput+0xe/0x10 kernel: [562631.167915] ? task_work_run+0x70/0xb0 kernel: [562631.167917] ? do_exit+0x37b/0xaf0 kernel: [562631.167919] ? do_group_exit+0x43/0xb0 kernel: [562631.167920] ? __x64_sys_exit_group+0x18/0x20 kernel: [562631.167921] ? do_syscall_64+0x61/0xb0 kernel: [562631.167924] ? syscall_exit_to_user_mode+0x27/0x50 kernel: [562631.167925] ? __x64_sys_close+0x12/0x40 kernel: [562631.167927] ? do_syscall_64+0x6e/0xb0 kernel: [562631.167929] ? syscall_exit_to_user_mode+0x27/0x50 kernel: [562631.167930] ? __x64_sys_close+0x12/0x40 kernel: [562631.167932] ? do_syscall_64+0x6e/0xb0 kernel: [562631.167933] ? do_syscall_64+0x6e/0xb0 kernel: [562631.167935] ? syscall_exit_to_user_mode+0x27/0x50 kernel: [562631.167936] ? __x64_sys_close+0x12/0x40 kernel: [562631.167938] ? do_syscall_64+0x6e/0xb0 kernel: [562631.167939] ? do_syscall_64+0x6e/0xb0 kernel: [562631.167941] ? do_syscall_64+0x6e/0xb0 kernel: [562631.167943] ? asm_sysvec_apic_timer_interrupt+0xa/0x20 kernel: [562631.167945] ? entry_SYSCALL_64_after_hwframe+0x44/0xae kernel: [562631.167947] </TASK> kernel: [562631.168009] CR2: 000000000000000b kernel: [562631.168011] ---[ end trace 142caa8b05a8a754 ]--- kernel: [562631.294158] RIP: 0010:_nv029004rm+0x35/0x90 [nvidia] kernel: [562631.294460] Code: 57 10 31 c0 48 85 d2 74 2e 48 8b 4f 08 31 c0 48 85 c9 74 0d 48 63 41 14 48 89 d6 48 29 c6 48 89 f0 48 3b 57 18 48 89 07 74 1b <48> 8b 42 08 48 89 47 10 b8 01 00 00 00 48 83 c4 08 c3 66 0f 1f 84 kernel: [562631.294462] RSP: 0018:ffffb2364599bac0 EFLAGS: 00010206 kernel: [562631.294464] RAX: 0000000000000003 RBX: ffff92caebeab030 RCX: ffff92ce34c4ad78 kernel: [562631.294465] RDX: 0000000000000003 RSI: 0000000000000003 RDI: ffff92cd72bfad20 kernel: [562631.294466] RBP: ffff92cd72bfad20 R08: 0000000000000020 R09: ffff92cd72bfad28 kernel: [562631.294467] R10: 0000000000000000 R11: 0000000000000001 R12: ffff92ca87e8c498 kernel: [562631.294468] R13: 0000000000000000 R14: ffff92cd72bfad98 R15: ffff92caebeab030 kernel: [562631.294469] FS: 0000000000000000(0000) GS:ffff92d9bea00000(0000) knlGS:0000000000000000 kernel: [562631.294470] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kernel: [562631.294471] CR2: 000000000000000b CR3: 0000000170f86001 CR4: 00000000003706f0 kernel: [562631.294473] Fixing recursive fault but reboot is needed!

[iefremov]

stale