# Error in kernel boot:" kernel BUG at arch/x86/kernel/traps.c:252! " **URL:** \ **Category:** Linux\ **Tags:** boot, kernel\ **Created:** [July 12, 2022, 6:06am UTC](https://forums.developer.nvidia.com/t/error-in-kernel-boot-kernel-bug-at-arch-x86-kernel-traps-c-252/220443 "2022-07-12T06:06:20Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![mario.amato](https://developer.download.nvidia.com/images/forums/profile-default-devtalk-84.png) [@mario.amato](https://forums.developer.nvidia.com/u/mario.amato)\ **Post date:** [July 12, 2022, 6:06am UTC](https://forums.developer.nvidia.com/t/error-in-kernel-boot-kernel-bug-at-arch-x86-kernel-traps-c-252/220443/1 "2022-07-12T06:06:20Z")
during the boot phase I have the following message: [4.582877] kernel: ------------[cut here]------------ [4.582879] kernel: kernel BUG at arch/x86/kernel/traps.c:252! [4.582905] kernel: invalid opcode: 0000 [#1] PREEMPT SMP NOPTI [4.582920] kernel: CPU: 4 PID: 525 Comm: systemd-udevd Tainted: P OE 5.18.8-051808-generic #202206290850 [4.582942] kernel: Hardware name: HP OMEN by HP 40L Gaming Desktop GT21-0xxx/8917, BIOS F.21 03/11/2022 [4.582963] kernel: RIP: 0010:exc\_control\_protection+0xd7/0xe0 [4.582985] kernel: Code: 94 24 80 00 00 00 be f9 00 00 00 48 c7 c7 30 a6 fb b4 e8 2c 47 2e ff e9 70 ff ff ff 48 c7 c7 72 a6 fb b4 e8 80 b2 f5 ff 0f 0b \<0f\> 0b 0f 1f 80 00 00 00 00 66 0f 1f 00 55 48 89 e5 41 55 41 54 49 [4.583016] kernel: RSP: 0018:ffffaea4412e7bb0 EFLAGS: 00010002 [4.583031] kernel: RAX: 0000000000000043 RBX: 0000000000000001 RCX: 0000000000000000 [4.583047] kernel: RDX: 0000000000000000 RSI: ffff8dbd9fb215a0 RDI: ffff8dbd9fb215a0 [4.583065] kernel: RBP: ffffaea4412e7bc8 R08: 0000000000000043 R09: ffffaea44213c018 [4.583083] kernel: R10: 0000000000000001 R11: ffffaea442140000 R12: ffffaea4412e7bd8 [4.583102] kernel: R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [4.583122] kernel: FS: 00007fea6ca828c0(0000) GS:ffff8dbd9fb00000(0000) knlGS:0000000000000000 [4.583138] kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [4.583150] kernel: CR2: 00007fea6c74f3cb CR3: 000000010a51a003 CR4: 0000000000f70ee0 [4.583165] kernel: PKRU: 55555554 [4.583175] kernel: Call Trace: [4.583186] kernel: [4.583195] kernel: asm\_exc\_control\_protection+0x22/0x30 [4.583210] kernel: RIP: 0010:nvidia\_frontend\_init\_module+0x0/0x99 [nvidia] [4.583921] kernel: Code: 90 fd e9 44 fd ff ff 48 8b 45 d8 65 48 2b 04 25 28 00 00 00 74 05 e8 70 04 01 f1 5a 44 89 f0 59 5b 41 5c 41 5d 41 5e 5d c3 cc \<0f\> 1f 44 00 00 55 48 c7 c2 60 4e 5a c3 31 c0 b9 00 02 00 00 c7 05 [4.583945] kernel: RSP: 0018:ffffaea4412e7c80 EFLAGS: 00010246 [4.583953] kernel: RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [4.583965] kernel: RDX: 0000000000000000 RSI: ffffffffb3b95848 RDI: ffffffffc37ca61f [4.583974] kernel: RBP: ffffaea4412e7ce8 R08: 0000000000000010 R09: ffff8dba01fca4d0 [4.583983] kernel: R10: 0000000040000000 R11: ffff8dbdaffd5c00 R12: ffffffffc37ca61f [4.583992] kernel: R13: ffff8dba01fca4d0 R14: ffffffffc35a2c00 R15: 0000000000000000 [4.584004] kernel: ? nvidia\_init\_module+0x61f/0x61f [nvidia] [4.584237] kernel: ? do\_init\_module+0x28/0x260 [4.584250] kernel: ? nvidia\_init\_module+0x61f/0x61f [nvidia] [4.584477] kernel: ? do\_one\_initcall+0x4a/0x210 [4.584491] kernel: ? kmem\_cache\_alloc\_trace+0x1aa/0x320 [4.584505] kernel: do\_init\_module+0x52/0x260 [4.584515] kernel: load\_module+0xb81/0xc90 [4.584523] kernel: \_\_do\_sys\_finit\_module+0xc5/0x130 [4.584532] kernel: \_\_x64\_sys\_finit\_module+0x1c/0x20 [4.584541] kernel: do\_syscall\_64+0x5d/0x90 [4.584555] kernel: ? fput+0x17/0x20 [4.584563] kernel: ? ksys\_mmap\_pgoff+0x111/0x250 [4.584574] kernel: ? exit\_to\_user\_mode\_prepare+0x37/0xb0 [4.584587] kernel: ? syscall\_exit\_to\_user\_mode+0x2a/0x50 [4.584598] kernel: ? \_\_x64\_sys\_mmap+0x37/0x50 [4.584607] kernel: ? do\_syscall\_64+0x6d/0x90 [4.584614] kernel: ? do\_syscall\_64+0x6d/0x90 [4.584621] kernel: ? do\_syscall\_64+0x6d/0x90 [4.584629] kernel: ? do\_syscall\_64+0x6d/0x90 [4.584636] kernel: entry\_SYSCALL\_64\_after\_hwframe+0x44/0xae [4.584646] kernel: RIP: 0033:0x7fea6c91ea3d [4.584655] kernel: Code: 5b 41 5c c3 66 0f 1f 84 00 00 00 00 00 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 c3 a3 0f 00 f7 d8 64 89 01 48 [4.584684] kernel: RSP: 002b:00007ffdd4349658 EFLAGS: 00000246 ORIG\_RAX: 0000000000000139 [4.584698] kernel: RAX: ffffffffffffffda RBX: 000055df2da4b660 RCX: 00007fea6c91ea3d [4.584710] kernel: RDX: 0000000000000000 RSI: 00007fea6cca7441 RDI: 0000000000000013 [4.584722] kernel: RBP: 0000000000020000 R08: 0000000000000000 R09: 0000000000000002 [4.584733] kernel: R10: 0000000000000013 R11: 0000000000000246 R12: 00007fea6cca7441 [4.584745] kernel: R13: 000055df2da43040 R14: 000055df2da46b60 R15: 000055df2da4a410 [4.584758] kernel: [4.584762] kernel: Modules linked in: libarc4 snd\_seq\_midi binfmt\_misc snd\_seq\_midi\_event kvm crct10dif\_pclmul nvidia(POE+) nls\_iso8859\_1 snd\_rawmidi fjes(-) iwlwifi ghash\_clmulni\_intel btusb aesni\_intel btrtl crypto\_simd btbcm snd\_seq cryptd btintel drm\_kms\_helper iwlmei btmtk snd\_seq\_device rapl snd\_timer intel\_cstate cfg80211 bluetooth fb\_sys\_fops cmdlinepart mei\_me snd hp\_wmi syscopyarea ecdh\_generic input\_leds platform\_profile sysfillrect serio\_raw sparse\_keymap wmi\_bmof joydev spi\_nor ee1004 mei ecc sysimgblt soundcore acpi\_pad acpi\_tad mac\_hid sch\_fq\_codel ipmi\_devintf ipmi\_msghandler msr parport\_pc ppdev lp parport drm ramoops mtd pstore\_blk reed\_solomon pstore\_zone efi\_pstore ip\_tables x\_tables autofs4 hid\_logitech\_hidpp hid\_logitech\_dj hid\_generic usbhid hid nvme nvme\_core ahci libahci crc32\_pclmul i2c\_i801 r8169 spi\_intel\_pci spi\_intel i2c\_smbus xhci\_pci realtek xhci\_pci\_renesas vmd wmi video [4.584932] kernel: —[end trace 0000000000000000]— Can you help me? Thanks Mario Amato ---
**Author:** ![generix](https://sea2.discourse-cdn.com/nvidia/user_avatar/forums.developer.nvidia.com/generix/32/16024_2.png) [@generix](https://forums.developer.nvidia.com/u/generix)\ **Post date:** [July 14, 2022, 8:00am UTC](https://forums.developer.nvidia.com/t/error-in-kernel-boot-kernel-bug-at-arch-x86-kernel-traps-c-252/220443/2 "2022-07-14T08:00:32Z")
Please check if setting the kernel parameter ibt=off solves this. ---
**Author:** ![mario.amato](https://developer.download.nvidia.com/images/forums/profile-default-devtalk-84.png) [@mario.amato](https://forums.developer.nvidia.com/u/mario.amato)\ **Post date:** [July 14, 2022, 8:15am UTC](https://forums.developer.nvidia.com/t/error-in-kernel-boot-kernel-bug-at-arch-x86-kernel-traps-c-252/220443/3 "2022-07-14T08:15:07Z")
Yes, It does!