Bug 206245

Summary: 5.4.x: WARNING: CPU: 2 PID: 20 at kernel/rcu/tree.c:2211
Product: Other Reporter: udo (udovdh)
Component: OtherAssignee: other_other
Status: RESOLVED CODE_FIX    
Severity: high CC: postix
Priority: P1    
Hardware: All   
OS: Linux   
Kernel Version: 5.4.x, 5.3.x Subsystem:
Regression: No Bisected commit-id:

Description udo 2020-01-18 10:57:51 UTC 
[370069.824180] ------------[ cut here ]------------
[370069.852382] WARNING: CPU: 2 PID: 20 at kernel/rcu/tree.c:2211 rcu_core+0x3f7/0x450
[370069.898265] Modules linked in: fuse mq_deadline ip6t_REJECT nf_reject_ipv6 xt_state ip6table_filter ip6_tables nf_conntrack_netbios_ns nf_conntrack_broadcast xt_MASQUERADE iptable_nat nf_nat ipt_REJECT nf_reject_ipv4 xt_u32 it87 xt_multiport hwmon_vid xt_tcpudp xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_filter msr uvcvideo videobuf2_vmalloc snd_usb_audio videobuf2_memops videobuf2_v4l2 snd_hwdep videodev snd_usbmidi_lib videobuf2_common snd_rawmidi cdc_acm snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_intel_nhlt snd_hda_codec snd_hda_core snd_seq snd_seq_device snd_pcm i2c_piix4 snd_timer k10temp snd bfq evdev acpi_cpufreq binfmt_misc ip_tables x_tables amdgpu hid_generic gpu_sched aesni_intel ttm sr_mod cdrom usbhid i2c_dev autofs4
[370070.307201] CPU: 2 PID: 20 Comm: ksoftirqd/2 Tainted: G        W         5.4.9 #11
[370070.353085] Hardware name: Gigabyte Technology Co., Ltd. X570 AORUS PRO/X570 AORUS PRO, BIOS F11 12/06/2019
[370070.411990] RIP: 0010:rcu_core+0x3f7/0x450
[370070.437039] Code: fd ff ff 48 2b 15 a9 12 f6 00 48 39 c2 7e 07 48 89 83 b0 00 00 00 48 8b 43 50 48 85 c0 75 c7 0f 0b eb c3 0f 0b e9 59 fc ff ff <0f> 0b eb b8 48 8b 15 86 12 f6 00 48 89 93 c0 00 00 00 e9 72 ff ff
[370070.550108] RSP: 0018:ffffa378c01abe18 EFLAGS: 00010006
[370070.581931] RAX: 00015095a2e49606 RBX: ffff8dff5f09ee80 RCX: ffff8dfc58700f50
[370070.625206] RDX: 0000000000000000 RSI: ffffa378c01abe18 RDI: ffff8dff5f09eed0
[370070.668487] RBP: ffff8dff5f09eed0 R08: ffff8dfc58700f50 R09: 0000000000000100
[370070.711768] R10: 0000000000000080 R11: ffff8dff5f09e278 R12: 0000000000000246
[370070.755048] R13: ffff8dff5df3a380 R14: 0000000000000000 R15: ffffffff86005110
[370070.798328] FS:  0000000000000000(0000) GS:ffff8dff5f080000(0000) knlGS:0000000000000000
[370070.847333] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[370070.882286] CR2: 00003cbcc6ec1000 CR3: 000000040e610000 CR4: 00000000003406e0
[370070.925558] Call Trace:
[370070.940720]  __do_softirq+0xfc/0x247
[370070.962642]  run_ksoftirqd+0x21/0x30
[370070.984566]  smpboot_thread_fn+0x195/0x230
[370071.009619]  ? sort_range+0x20/0x20
[370071.031025]  kthread+0x118/0x130
[370071.050871]  ? kthread_create_worker_on_cpu+0x60/0x60
[370071.081651]  ret_from_fork+0x22/0x40
[370071.103573] ---[ end trace de39dfa68f2414bb ]---
Comment 1 udo 2020-01-18 10:59:16 UTC 
Found this one in dmesg.
Call Trace also occurs in https://bugzilla.kernel.org/show_bug.cgi?id=206191