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  • #40
Closed
Open
Created Dec 15, 2017 by Emily@emily🤖

system/easy-kernel (4.14.1-mc1): warning during very high load on ppc64

Bugzilla ID 40
Reporter A. Wilcox (awilfox)
Assignee Horst Burkhardt (mc68030)
Reported 2017-12-15 17:36:55 -0600
Modified 2018-03-28 19:01:00 -0500
Status RESOLVED UPSTREAM
Version 1.0-ALPHA3
Hardware Adélie Linux / PowerPC (64-bit)
Importance Normal / normal

Description

Created attachment 7
entire dmesg output from glen.foxkit.us

Seen on ppc64 builder glen.foxkit.us during llvm4 build:

[72502.718661] ------------[ cut here ]------------
[72502.718679] WARNING: CPU: 0 PID: 6 at kernel/workqueue.c:2035 .process_one_work+0x6c/0x550
[72502.718681] Modules linked in: hfsplus binfmt_misc arc4 b43 bcma windfarm_smu_sat mac80211 radeon cfg80211 windfarm_cpufreq_clamp snd_aoa_fabric_layout windfarm_pm72 windfarm_pid ttm drm_kms_helper snd_aoa_codec_tas sysimgblt syscopyarea snd_aoa sysfillrect fb_sys_fops snd_aoa_i2sbus snd_powermac drm snd_aoa_soundbus snd_pcm windfarm_max6690_sensor windfarm_lm75_sensor snd_timer windfarm_ad7417_sensor windfarm_fcu_controls windfarm_core snd sungem joydev sungem_phy hid_apple mac_hid soundcore ssb radeonfb rack_meter uninorth_agp shpchp agpgart i2c_algo_bit fb_ddc
[72502.718781] CPU: 0 PID: 6 Comm: mm_percpu_wq Not tainted 4.14.4-mc1-easy #1 (closed)
[72502.718799] task: c00000016710c300 task.stack: c000000167118000
[72502.718802] NIP: c0000000000f57ac LR: c0000000000f6b40 CTR: c0000000000214a0
[72502.718805] REGS: c00000016711b960 TRAP: 0700 Not tainted (4.14.4-mc1-easy)
[72502.718807] MSR: 9000000000029032 <SF,HV,EE,ME,IR,DR,RI> CR: 24000848 XER: 00000000
[72502.718824] SOFTE: 0
[72502.718885] NIP [c0000000000f57ac] .process_one_work+0x6c/0x550
[72502.718890] LR [c0000000000f6b40] .rescuer_thread+0x280/0x4b0
[72502.718891] Call Trace:
[72502.718895] [c00000016711bbe0] [c00000016711bc80] 0xc00000016711bc80 (unreliable)
[72502.718902] [c00000016711bc80] [c0000000000f6b40] .rescuer_thread+0x280/0x4b0
[72502.718908] [c00000016711bd70] [c0000000000fd9f8] .kthread+0x158/0x1a0
[72502.718917] [c00000016711be30] [c00000000000c1ec] .ret_from_kernel_thread+0x58/0x6c
[72502.718920] Instruction dump:
[72502.718923] ebe30048 e95e0008 813f0010 814a0100 71270004 554906b4 79250020 40820018 a12d000a 815f0004 7f895000 419e0008 <0fe00000> 3d2061c8 61298646 792907c6
[72502.718948] ---[ end trace 8faabc019a098e0a ]---

Nothing bad happened. LLVM built fine. There are no further messages in kmsg, besides the typical configure-related crap that I see all the time on all builders:

[167448.781661] mmap: lt-pixbuf-rando (28682): VmData 1594089472 exceed data ulimit 104857600. Update limits or use boot option ignore_rlimit_data.
[167507.163031] _exception: 29 callbacks suppressed
[167507.163038] pool[28750]: unhandled signal 11 at 00003fff97e7cc80 nip 00003fff97d69894 lr 00003fff97d6ea20 code 1

Edited Feb 02, 2022 by Zach van Rijn
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