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Known issue: qemu-x86_64-compat mode ltp tracing Oops int3 kernel panic

Description

Regressions found on qemu-x86_64 with compat mode (64-bit kernel running on 32-bit userspace) while running LTP tracing test suite on Linux next-20250605 tag kernel.

Regressions found on - LTP tracing

Regression Analysis: - New regression? Yes - Reproducible? Intermittent

Test regression: qemu-x86_64-compat mode ltp tracing Oops int3 kernel panic

Reported-by: Linux Kernel Functional Testing lkft@linaro.org

<h2>Test log</h2>

ftrace-stress-test: <12>[ 21.971153] /usr/local/bin/kirk[277]: starting test ftrace-stress-test (ftrace_stress_test.sh 90) <4>[ 58.997439] Oops: int3: 0000 [#1] SMP PTI <4>[ 58.998089] CPU: 0 UID: 0 PID: 323 Comm: sh Not tainted 6.15.0-next-20250605 #1 PREEMPT(voluntary) <4>[ 58.998152] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 <4>[ 58.998260] RIP: 0010:_raw_spin_lock+0x5/0x50

This issue reported upstream - https://lore.kernel.org/all/CA+G9fYsLu0roY3DV=tKyqP7FEKbOEETRvTDhnpPxJGbA=Cg+4w@mail.gmail.com/
Labels compat/compat
First seen March 18, 2025, 11:38 a.m.
Last seen June 11, 2025, 6:09 a.m.

Incidents

# Project Build Build date Environments
1 lkft/linux-mainline-master v6.16-rc1 June 8, 2025, 11:09 p.m. qemu-x86_64-compat , x86 , x86-compat
2 lkft/linux-mainline-master v6.14-7540-geff5f16bfd87 March 29, 2025, 12:17 a.m. qemu-x86_64 , qemu-x86_64-compat
3 lkft/linux-mainline-master v6.14-13408-g9f867ba24d36 April 4, 2025, 11:08 p.m. qemu-x86_64 , qemu-x86_64-compat
4 lkft/linux-next-master next-20250416 April 16, 2025, 7:08 a.m. x86 , x86-compat
5 lkft/linux-next-master next-20250502 May 2, 2025, 10:13 a.m. qemu-x86_64 , x86-compat
6 lkft/linux-mainline-master v6.15-rc5-207-g1a33418a69cc May 10, 2025, 11:10 a.m. qemu-x86_64 , qemu-x86_64-compat
7 lkft/linux-next-master next-20250513 May 13, 2025, 12:07 p.m. qemu-x86_64 , x86
8 lkft/linux-next-master next-20250526 May 26, 2025, 9:10 a.m. x86 , x86-compat
9 lkft/linux-next-master next-20250528 May 28, 2025, 8:08 a.m. qemu-x86_64 , x86
10 lkft/linux-mainline-master v6.15-7774-g90b83efa6701 May 29, 2025, 11:07 a.m. x86 , x86-compat
11 lkft/linux-mainline-master v6.15-11121-gfe4281644c62 June 2, 2025, 11:09 p.m. qemu-x86_64-compat , qemu-x86_64-compat , x86
12 lkft/linux-next-master next-20250318 March 18, 2025, 11:38 a.m. qemu-x86_64
13 lkft/linux-mainline-master v6.14-10514-g7f2ff7b62617 March 30, 2025, 11:09 a.m. qemu-x86_64-compat
14 lkft/linux-next-master next-20250331 March 31, 2025, 6:36 a.m. qemu-x86_64
15 lkft/linux-mainline-master v6.14-12245-g91e5bfe317d8 April 1, 2025, 11:10 p.m. qemu-x86_64
16 lkft/linux-mainline-master v6.14-12456-gacc4d5ff0b61 April 2, 2025, 11:11 a.m. qemu-x86_64-compat
17 lkft/linux-next-master next-20250407 April 7, 2025, 3:08 a.m. qemu-x86_64-compat
18 lkft/linux-mainline-master v6.15-rc1-173-g0c7cae12f67c April 10, 2025, 11:09 p.m. qemu-x86_64
19 lkft/linux-mainline-master v6.15-rc1-246-g900241a5cc15 April 11, 2025, 11:09 a.m. qemu-x86_64-compat
20 lkft/linux-mainline-master v6.15-rc2 April 13, 2025, 11:09 p.m. qemu-x86_64-compat
21 lkft/linux-next-master next-20250415 April 15, 2025, 7:07 a.m. qemu-x86_64-compat
22 lkft/linux-next-master next-20250417 April 17, 2025, 8:07 a.m. x86
23 lkft/linux-mainline-master v6.15-rc2-404-g8560697b23dc April 19, 2025, 11:09 a.m. qemu-x86_64
24 lkft/linux-next-master next-20250422 April 22, 2025, 12:08 p.m. qemu-x86_64-compat
25 lkft/linux-next-master next-20250423 April 23, 2025, 11:37 a.m. qemu-x86_64-compat
26 lkft/linux-next-master next-20250424 April 24, 2025, 7:35 a.m. x86
27 lkft/linux-next-master next-20250429 April 29, 2025, 9:17 a.m. x86
28 lkft/linux-mainline-master v6.15-rc4-42-gb6ea1680d0ac April 30, 2025, 11:07 a.m. qemu-x86_64
29 lkft/linux-next-master next-20250430 April 30, 2025, 12:35 p.m. qemu-x86_64-compat
30 lkft/linux-next-master next-20250501 May 1, 2025, 10:07 a.m. x86
31 lkft/linux-mainline-master v6.15-rc4-52-g4f79eaa2ceac May 1, 2025, 11:08 a.m. qemu-x86_64-compat
32 lkft/linux-mainline-master v6.15-rc5 May 4, 2025, 11:09 p.m. qemu-x86_64 , qemu-x86_64
33 lkft/linux-next-master next-20250506 May 6, 2025, 10:07 a.m. x86-compat
34 lkft/linux-mainline-master v6.15-rc5-43-gd76bb1ebb558 May 7, 2025, 11:10 p.m. qemu-x86_64
35 lkft/linux-next-master next-20250509 May 9, 2025, 10:27 a.m. qemu-x86_64-compat
36 lkft/linux-mainline-master v6.15-rc5-300-g3ce9925823c7 May 11, 2025, 11:12 a.m. qemu-x86_64
37 lkft/linux-next-master next-20250512 May 12, 2025, 11:48 a.m. qemu-x86_64
38 lkft/linux-mainline-master v6.15-rc6-47-ge9565e23cd89 May 13, 2025, 11:07 a.m. qemu-x86_64-compat
39 lkft/linux-next-master next-20250516 May 16, 2025, 11:36 a.m. qemu-x86_64
40 lkft/linux-next-master next-20250521 May 21, 2025, 12:07 p.m. qemu-x86_64
41 lkft/sashal-linus-next v6.13-rc7-28251-g652f7052b17d May 25, 2025, 2:10 p.m. qemu-x86_64
42 lkft/linux-mainline-master v6.15-1599-gddddf9d64f73 May 26, 2025, 11:09 p.m. qemu-x86_64
43 lkft/linux-next-master next-20250527 May 27, 2025, 11:09 a.m. qemu-x86_64-compat
44 lkft/linux-mainline-master v6.15-1972-g914873bc7df9 May 27, 2025, 11:09 a.m. x86-compat
45 lkft/linux-mainline-master v6.15-5854-g47cf96fbe393 May 28, 2025, 11:09 p.m. qemu-x86_64-compat
46 lkft/linux-next-master next-20250529 May 29, 2025, 7:10 a.m. x86-compat
47 lkft/linux-mainline-master v6.15-9113-g8477ab143069 May 30, 2025, 11:09 p.m. qemu-x86_64-compat
48 lkft/linux-stable-rc-linux-6.15.y v6.15-50-g86677b94d603 June 2, 2025, 2:11 p.m. qemu-x86_64
49 lkft/linux-mainline-master v6.15-11446-ga9dfb7db96f7 June 3, 2025, 11:09 p.m. qemu-x86_64
50 lkft/linux-next-master next-20250605 June 5, 2025, 7:08 a.m. qemu-x86_64-compat
51 lkft/linux-next-master next-20250606 June 6, 2025, 6:11 a.m. x86
52 lkft/linux-next-master next-20250611 June 11, 2025, 6:09 a.m. qemu-x86_64