[Bug 216902] New: WARNING: CPU: 0 PID: 70 at kernel/locking/irqflag-debug.c:10 at kallsyms_selftest

bugzilla-daemon at kernel.org bugzilla-daemon at kernel.org
Mon Jan 9 01:00:26 AEDT 2023


https://bugzilla.kernel.org/show_bug.cgi?id=216902

            Bug ID: 216902
           Summary: WARNING: CPU: 0 PID: 70 at
                    kernel/locking/irqflag-debug.c:10 at kallsyms_selftest
           Product: Platform Specific/Hardware
           Version: 2.5
    Kernel Version: 6.2-rc2
          Hardware: PPC-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: PPC-64
          Assignee: platform_ppc-64 at kernel-bugs.osdl.org
          Reporter: erhard_f at mailbox.org
        Regression: No

Created attachment 303551
  --> https://bugzilla.kernel.org/attachment.cgi?id=303551&action=edit
dmesg (6.2-rc2, PowerMac G5 11,2)

Get this every time at boot at running kallsyms_selftest:

[...]
kallsyms_selftest:  ---------------------------------------------------------
kallsyms_selftest: | nr_symbols | compressed size | original size | ratio(%) |
kallsyms_selftest: |---------------------------------------------------------|
kallsyms_selftest: |      83106 |        942087   |      1665058  |  56.57   |
kallsyms_selftest:  ---------------------------------------------------------
kallsyms_selftest: kallsyms_lookup_name() looked up 83106 symbols
kallsyms_selftest: The time spent on each symbol is (ns): min=3136, max=120960,
avg=17043
------------[ cut here ]------------
raw_local_irq_restore() called with IRQs enabled
WARNING: CPU: 0 PID: 70 at kernel/locking/irqflag-debug.c:10
.warn_bogus_irq_restore+0x48/0x70
Modules linked in: windfarm_cpufreq_clamp windfarm_smu_sensors
windfarm_smu_controls windfarm_pm112 nouveau windfarm_pid snd_aoa_codec_onyx
snd_aoa_fabric_layout snd_aoa windfarm_max6690_sensor firewire_ohci
windfarm_lm75_sensor windfarm_smu_sat windfarm_core sr_mod firewire_core
pmac_zilog cdrom crc_itu_t serial_core snd_aoa_i2sbus led_class drm_ttm_helper
ttm snd_aoa_soundbus i2c_algo_bit drm_display_helper ohci_pci drm_kms_helper
ehci_pci snd_pcm ohci_hcd ehci_hcd snd_timer snd soundcore rack_meter usbcore
cfbfillrect usb_common cfbcopyarea cfbimgblt sysimgblt tg3 syscopyarea hwmon
sysfillrect cfg80211 rfkill zram zsmalloc drm fuse drm_panel_orientation_quirks
backlight configfs
CPU: 0 PID: 70 Comm: kallsyms_test Tainted: G                TN
6.2.0-rc2-PMacG5 #2
Hardware name: PowerMac11,2 PPC970MP 0x440101 PowerMac
NIP:  c000000000bb9f28 LR: c000000000bb9f24 CTR: 0000000000000000
REGS: c000000003e576f0 TRAP: 0700   Tainted: G                TN 
(6.2.0-rc2-PMacG5)
MSR:  900000000202b032 <SF,HV,VEC,EE,FP,ME,IR,DR,RI>  CR: 44000842  XER:
00000000
IRQMASK: 0 
GPR00: 0000000000000000 c000000003e57990 c000000000f19900 0000000000000000 
GPR04: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 
GPR08: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 
GPR12: 0000000000000000 c0000000017e8000 c0000000000bc380 c000000003f65880 
GPR16: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 
GPR20: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 
GPR24: 0000000000000000 0000000000000000 0000000000000000 00000000000144a2 
GPR28: c000000000e03bc0 0000000000000000 0000000996d34700 0000000995b30d60 
NIP [c000000000bb9f28] .warn_bogus_irq_restore+0x48/0x70
LR [c000000000bb9f24] .warn_bogus_irq_restore+0x44/0x70
Call Trace:
[c000000003e57990] [c000000000bb9f24] .warn_bogus_irq_restore+0x44/0x70
(unreliable)
[c000000003e57a00] [c000000000164df4]
.test_perf_kallsyms_on_each_symbol+0x90/0xfc
[c000000003e57cc0] [c00000000016456c] .test_entry+0x23c/0x260
[c000000003e57d70] [c0000000000bc498] .kthread+0x118/0x120
[c000000003e57e10] [c00000000000bd58] .ret_from_kernel_thread+0x58/0x60
--- interrupt: 0 at 0x0
NIP:  0000000000000000 LR: 0000000000000000 CTR: 0000000000000000
REGS: c000000003e57e80 TRAP: 0000   Tainted: G                TN 
(6.2.0-rc2-PMacG5)
MSR:  0000000000000000 <>  CR: 00000000  XER: 00000000
IRQMASK: 0 
GPR00: 0000000000000000 c000000003e58000 0000000000000000 0000000000000000 
GPR04: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 
GPR08: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 
GPR12: 0000000000000000 0000000000000000 c0000000000bc380 c000000003f65880 
GPR16: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 
GPR20: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 
GPR24: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 
GPR28: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 
NIP [0000000000000000] 0x0
LR [0000000000000000] 0x0
--- interrupt: 0
Code: 39400000 4c820020 7c0802a6 3c62ffee 39200001 3d42004b 386343e0 f8010010
f821ff91 992ae5af 4b4ca171 60000000 <0fe00000> 60000000 38210070 e8010010 
---[ end trace 0000000000000000 ]---
kallsyms_selftest: kallsyms_on_each_symbol() traverse all: 18889120 ns
kallsyms_selftest: kallsyms_on_each_match_symbol() traverse all: 30464 ns
kallsyms_selftest: finish

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