Backtrace

WARNING: CPU: 1 PID: 3514 at lib/percpu-refcount.c:162 percpu_ref_switch_to_atomic_rcu+0x131/0x140
Modules linked in: nls_utf8 isofs uas usb_storage tls uinput snd_seq_dummy snd_hrtimer xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp bridge stp llc ccm nft_objref nf_conntrack_netbios_ns nf_conntrack_broadcast nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nf_tables_set nft_chain_nat nf_tables ebtable_nat ebtable_broute ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c iptable_mangle iptable_raw iptable_security ip_set nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter ip_tables bnep sunrpc btusb btrtl btbcm btintel bluetooth snd_hda_codec_hdmi snd_hda_codec_analog ecdh_generic ecc iwl3945 iwlegacy snd_hda_codec_generic ledtrig_audio mac80211 snd_hda_intel snd_hda_codec snd_hda_core iTCO_wdt iTCO_vendor_support cfg80211 snd_hwdep snd_seq snd_seq_device hp_wmi sparse_keymap
 snd_pcm wmi_bmof snd_timer snd rfkill libarc4 coretemp joydev soundcore lpc_ich acpi_cpufreq zram radeon i2c_algo_bit drm_kms_helper ttm drm e1000e serio_raw hid_logitech_hidpp ata_generic pata_acpi wmi video hid_logitech_dj fuse
CPU: 1 PID: 3514 Comm: plymouthd Not tainted 5.3.11-100.fc29.x86_64 #1
Hardware name: Hewlett-Packard HP Compaq 6820s/30D7, BIOS 68MDD Ver. F.07 11/19/2007
RIP: 0010:percpu_ref_switch_to_atomic_rcu+0x131/0x140
Code: 80 3d f5 15 06 01 00 0f 85 57 ff ff ff 49 8b 54 24 d8 49 8b 74 24 e8 48 c7 c7 b0 5e 18 ad c6 05 d7 15 06 01 01 e8 58 18 c0 ff <0f> 0b e9 33 ff ff ff 0f 1f 84 00 00 00 00 00 41 54 49 89 f4 55 53
RSP: 0018:ffffaec7000bcee8 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 7fffffffffffffff RCX: 0000000000000000
RDX: 0000000000000004 RSI: ffffffffadbe785c RDI: 0000000000000246
RBP: 00003e990226ef20 R08: ffffffffadbe7820 R09: 0000000000028100
R10: 0000008f987e3b60 R11: 0000000080000001 R12: ffff902dec165868
R13: ffffffffad576440 R14: 0000000000000009 R15: ffffffffad405100
FS:  00007f2f6dc86740(0000) GS:ffff902dfdb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005652d2c624a8 CR3: 000000007826c000 CR4: 00000000000006e0
Call Trace:
 <IRQ>
 rcu_core+0x312/0x460
 __do_softirq+0xe4/0x2f8
 irq_exit+0xe9/0xf0
 smp_apic_timer_interrupt+0x74/0x130
 apic_timer_interrupt+0xf/0x20
 </IRQ>
RIP: 0010:do_syscall_64+0x1f/0x1a0
Code: 00 eb 8a 0f 1f 84 00 00 00 00 00 66 66 66 66 90 55 48 89 f5 53 48 89 fb 48 83 ec 08 66 66 66 66 90 66 66 66 66 90 fb 66 66 90 <66> 66 90 65 48 8b 04 25 c0 6b 01 00 48 8b 00 a9 c1 01 08 10 0f 85
RSP: 0018:ffffaec702d17f38 EFLAGS: 00000292 ORIG_RAX: ffffffffffffff13
RAX: 00000000000000e4 RBX: 00000000000000e4 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffaec702d17f58 RDI: 00000000000000e4
RBP: ffffaec702d17f58 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 ? do_syscall_64+0x5f/0x1a0
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7ffd1411193e
Code: 08 48 89 f2 89 fe 48 8d 3d 5f c7 ff ff e8 6a fd ff ff 85 c0 75 07 5b 31 c0 41 5c 5d c3 89 df 4c 89 e6 5b b8 e4 00 00 00 0f 05 <41> 5c 5d c3 a8 60 75 1b a8 10 74 e7 48 8d 4e 08 48 89 f2 89 fe 48
RSP: 002b:00007ffd140e7d08 EFLAGS: 00000286 ORIG_RAX: 00000000000000e4
RAX: ffffffffffffffda RBX: 000055dc2a21c3e0 RCX: 00007ffd1411193e
RDX: 00007ffd140e7d30 RSI: 00007ffd140e7d30 RDI: 0000000000000001
RBP: 00007ffd140e7d10 R08: 00007ffd140e7d38 R09: 00007ffd140e7d30
R10: 0000000000000000 R11: 0000000000000286 R12: 00007ffd140e7d30
R13: 000055dc2a21c3e0 R14: 00007f2f6dffa480 R15: 00007ffd140e7f20