Bug 1777072 - [abrt] tracer_init_tracefs: WARNING: CPU: 2 PID: 1 at kernel/trace/ftrace.c:987 ftrace_init_tracefs_toplevel+0x12d/0x17e
Summary: [abrt] tracer_init_tracefs: WARNING: CPU: 2 PID: 1 at kernel/trace/ftrace.c:9...
Keywords:
Status: NEW
Alias: None
Product: Fedora
Classification: Fedora
Component: kernel
Version: rawhide
Hardware: x86_64
OS: Unspecified
unspecified
unspecified
Target Milestone: ---
Assignee: Kernel Maintainer List
QA Contact: Fedora Extras Quality Assurance
URL: https://retrace.fedoraproject.org/faf...
Whiteboard: abrt_hash:7684cf2f121359715ec5fecddfc...
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2019-11-26 21:41 UTC by Michael
Modified: 2026-07-24 14:54 UTC (History)
22 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Type: ---
Embargoed:

Attachments (Terms of Use)
File: dmesg (99.45 KB, text/plain)
2019-11-26 21:41 UTC, Michael 		no flags Details
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Description Michael 2019-11-26 21:41:43 UTC 
Additional info:
reporter:       libreport-2.11.3
WARNING: CPU: 2 PID: 1 at kernel/trace/ftrace.c:987 ftrace_init_tracefs_toplevel+0x12d/0x17e
Modules linked in:
CPU: 2 PID: 1 Comm: swapper/0 Not tainted 5.4.0-0.rc8.git0.2.fc32.x86_64 #1
Hardware name: Hewlett-Packard HP EliteBook 820 G2/225A, BIOS M71 Ver. 01.30 10/02/2019
RIP: 0010:ftrace_init_tracefs_toplevel+0x12d/0x17e
Code: b9 0e 00 00 00 48 8d 78 20 f3 a5 4c 89 70 20 48 8d 78 20 e8 cd c2 34 fe 85 c0 74 84 89 ee 48 c7 c7 c0 77 34 b1 e8 29 a2 25 fe <0f> 0b 5b 4c 89 f7 5d 41 5c 41 5d 41 5e e9 99 47 44 fe 31 c9 49 c7
RSP: 0000:ffffb54180033df0 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff97ffbfa00000 RCX: 000000000000028e
RDX: 0000000000000001 RSI: 0000000000000082 RDI: 0000000000000246
RBP: 0000000000000000 R08: 0000000000000001 R09: 000000000000028e
R10: 000000000000c614 R11: 0000000000000003 R12: 0000000000000000
R13: 000000000001c980 R14: ffff97ffbcde8a50 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff97ffbfa80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000024f60a001 CR4: 00000000003606e0
Call Trace:
 tracer_init_tracefs+0x8c/0x1e7
 ? register_tracer+0x1bc/0x1bc
 do_one_initcall+0x46/0x1f4
 kernel_init_freeable+0x1a1/0x248
 ? rest_init+0xaa/0xaa
 kernel_init+0xa/0x106
 ret_from_fork+0x35/0x40
Comment 1 Michael 2019-11-26 21:41:50 UTC 
Created attachment 1639970 [details]
File: dmesg
Comment 2 Chris Murphy 2019-12-07 00:20:08 UTC 
Looks like this:
https://lkml.org/lkml/2019/12/2/659

I'm hitting it also on multiple computers of different makes/models, and it taints the kernel on those systems with Secure Boot enabled.
Comment 3 Charles Haithcock 2026-07-24 14:54:17 UTC 
This report has not received an update in over 90 days. If this issue is still relevant to you, please do not hesitate to update this report with any relevant details on recent investigative steps or changes and we will absolutely work to understand how to best move forward. Otherwise, this bug report will need to be closed in 30 days. No worries, however; should you need still assistance after the report is closed, please do not hesitate to create a new bug report referencing this report and with any new details on the matter. 

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