https://bugzilla.kernel.org/show_bug.cgi?id=207009
Bug ID: 207009
Summary: WARNING: CPU: 10 PID: 0 at do_debug+0x192/0x220
Product: ACPI
Version: 2.5
Kernel Version: 5.5.13
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: low
Priority: P1
Component: Other
Assignee: acpi_ot...@kernel-bugs.osdl.org
Reporter: ilkka.pr...@gmail.com
Regression: No
With kernel 5.5.13, dmesg shows following:
[ 3272.084146] ------------[ cut here ]------------
[ 3272.084155] WARNING: CPU: 10 PID: 0 at do_debug+0x192/0x220
[ 3272.084156] Modules linked in: fuse(E) btrfs(E) blake2b_generic(E)
zstd_compress(E) zstd_decompress(E) ufs(E) ntfs(E) msdos(E) jfs(E) xfs(E)
dm_mod(E) snd_seq_dummy(E) snd_hrtimer(E) snd_seq_midi(E) snd_seq_midi_event(E)
snd_seq(E) nf_tables(E) nfnetlink(E) binfmt_misc(E) nls_ascii(E) nls_cp437(E)
vfat(E) fat(E) snd_usb_audio(E) snd_usbmidi_lib(E) snd_rawmidi(E) eeepc_wmi(E)
asus_wmi(E) snd_seq_device(E) edac_mce_amd(E) battery(E) amdgpu(E)
sparse_keymap(E) video(E) r8169(E) snd_hda_codec_realtek(E) mc(E) kvm_amd(E)
snd_hda_codec_hdmi(E) snd_hda_codec_generic(E) ledtrig_audio(E) kvm(E)
rfkill(E) realtek(E) snd_hda_intel(E) snd_intel_dspcfg(E) libphy(E) wmi_bmof(E)
snd_hda_codec(E) irqbypass(E) snd_hda_core(E) sr_mod(E) snd_hwdep(E) cdrom(E)
gpu_sched(E) snd_pcm_oss(E) crct10dif_pclmul(E) crc32_pclmul(E) ttm(E)
joydev(E) ghash_clmulni_intel(E) snd_mixer_oss(E) drm_kms_helper(E) snd_pcm(E)
snd_timer(E) drm(E) aesni_intel(E) snd(E) crypto_simd(E) cryptd(E)
sp5100_tco(E) agpgart(E)
[ 3272.084199] glue_helper(E) ccp(E) i2c_algo_bit(E) sg(E) soundcore(E)
i2c_piix4(E) efi_pstore(E) efivars(E) k10temp(E) rng_core(E) wmi(E)
acpi_cpufreq(E) button(E) nfsd(E) auth_rpcgss(E) nfs_acl(E) lockd(E) grace(E)
sunrpc(E) efivarfs(E) ip_tables(E) x_tables(E) autofs4(E) raid10(E) raid456(E)
libcrc32c(E) async_raid6_recov(E) async_memcpy(E) async_pq(E) async_xor(E)
xor(E) async_tx(E) raid6_pq(E) raid1(E) raid0(E) multipath(E) linear(E)
md_mod(E) sd_mod(E) evdev(E) input_leds(E) hid_steam(E) hid_generic(E)
usbhid(E) hid(E) ahci(E) xhci_pci(E) libahci(E) crc32c_intel(E) xhci_hcd(E)
libata(E) usbcore(E) scsi_mod(E) gpio_amdpt(E) gpio_generic(E)
[ 3272.084234] CPU: 10 PID: 0 Comm: swapper/10 Tainted: G E
5.5.13 #1
[ 3272.084235] Hardware name: System manufacturer System Product Name/TUF
B450-PLUS GAMING, BIOS 2008 12/06/2019
[ 3272.084238] RIP: 0010:do_debug+0x192/0x220
[ 3272.084242] Code: 00 02 74 e0 fa 66 0f 1f 44 00 00 eb d7 e8 f6 77 0c 00 e9
bc fe ff ff e8 cc 79 0c 00 e9 2a ff ff ff f6 85 88 00 00 00 03 75 8a <0f> 0b 80
e4 bf 49 89 84 24 18 0b 00 00 f0 41 80 0c 24 10 48 81 a5
[ 3272.084243] RSP: 0018:fffffe0000223f20 EFLAGS: 00192046
[ 3272.084245] RAX: 0000000000004000 RBX: 0000000000000000 RCX:
0000000000000000
[ 3272.084246] RDX: 0000000000000001 RSI: 0000000000000003 RDI:
ffffffff8205f900
[ 3272.084247] RBP: fffffe0000223f58 R08: 0000000000000000 R09:
0000000000000005
[ 3272.084248] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff8887fac4cb00
[ 3272.084249] R13: 0000000000000000 R14: 0000000000000000 R15:
0000000000000000
[ 3272.084251] FS: 0000000000000000(0000) GS:ffff8887fea80000(0000)
knlGS:0000000000000000
[ 3272.084253] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3272.084254] CR2: 00007f3a8c0f5000 CR3: 000000071e770000 CR4:
00000000003406e0
[ 3272.084255] Call Trace:
[ 3272.084257] <#DB>
[ 3272.084264] debug+0x28/0x60
[ 3272.084268] RIP: 0010:acpi_idle_do_entry+0x15/0x40
[ 3272.084271] Code: 66 90 fa 66 0f 1f 44 00 00 c3 66 66 2e 0f 1f 84 00 00 00
00 00 0f 1f 44 00 00 0f b6 47 08 3c 01 74 1f 3c 02 74 20 8b 57 04 ec <48> 8b 05
ec 07 93 00 a9 00 00 00 80 75 08 48 8b 15 4a f0 e7 00 ed
[ 3272.084272] RSP: 0018:ffffc9000016fe18 EFLAGS: 495fa197
[ 3272.084274] RAX: 0000000000000000 RBX: 0000000000000002 RCX:
0000000000000068
[ 3272.084275] RDX: 0000000000000414 RSI: ffffffff820c21e0 RDI:
ffff8887fa589498
[ 3272.084276] RBP: ffff8887fa589400 R08: 000002f9d6fe835d R09:
00000000000021dd
[ 3272.084277] R10: 0000000000001554 R11: ffff8887feaab824 R12:
ffff8887fa589498
[ 3272.084278] R13: 0000000000000002 R14: 0000000000000002 R15:
ffff8887fac4cb00
[ 3272.084281] </#DB>
[ 3272.084285] acpi_idle_enter+0xe8/0x2b0
[ 3272.084290] cpuidle_enter_state+0x81/0x410
[ 3272.084293] cpuidle_enter+0x29/0x40
[ 3272.084297] do_idle+0x1d7/0x260
[ 3272.084301] cpu_startup_entry+0x19/0x20
[ 3272.084304] start_secondary+0x166/0x1c0
[ 3272.084307] secondary_startup_64+0xa4/0xb0
[ 3272.084311] ---[ end trace 4f7494ff5c9ceb3d ]---
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