linux-kernel - 5.3.18: general protection fault

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Message-ID: <93308fad-2462-c8f9-99b2-d8c8aab241d3@xs4all.nl>
Date:   Wed, 25 Mar 2020 06:07:32 +0100
From:   Udo van den Heuvel <udovdh@...all.nl>
To:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: 5.3.18: general protection fault

Hello,

Due to the unusable 5.4.x and 5.5.x kernels, see
https://bugzilla.kernel.org/show_bug.cgi?id=206191, I am running 5,3,18.
This kernel crashes way less.
It did show the fault below:

[56279.400332] general protection fault: 0000 [#1] PREEMPT SMP NOPTI
[56279.436856] CPU: 1 PID: 233 Comm: kswapd0 Tainted: G        W
5.3.18 #25
[56279.481174] Hardware name: Gigabyte Technology Co., Ltd. X570 AORUS
PRO/X570 AORUS PRO, BIOS F11 12/06/2019
[56279.539562] RIP: 0010:queued_spin_lock_slowpath+0x178/0x1d0
[56279.572948] Code: 8b 45 00 48 85 c0 74 f5 48 89 c2 eb e4 c1 ea 12 83
e0 03 ff ca 48 c1 e0 04 48 63 d2 48 05 c0 ed 01 00 48 03 04 d5 20 d5 e0
b1 <48> 89 28 8b 45 08 85 c0 75 09 f3 90 8b 45 08 85 c0 74 f7 48 8b 45
[56279.685489] RSP: 0018:ffffa85240747a88 EFLAGS: 00010002
[56279.716787] RAX: 0001812dff56fe58 RBX: ffffa2e9c6690350 RCX:
0000000000000000
[56279.759547] RDX: 0000000000003199 RSI: 00000000c6690300 RDI:
ffffa2e9c6690350
[56279.802302] RBP: ffffa2ea9f05edc0 R08: 0000000000000238 R09:
0000000000000002
[56279.845063] R10: ffffa2e9c6690348 R11: ffffa2ea8b08ed80 R12:
0000000000080000
[56279.887823] R13: 0000000000000001 R14: ffffa2e9c6690350 R15:
ffffddcf0c8ad008
[56279.930579] FS:  0000000000000000(0000) GS:ffffa2ea9f040000(0000)
knlGS:0000000000000000
[56279.979068] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[56280.013491] CR2: 00007f07ef659fe0 CR3: 00000003eaa7e000 CR4:
00000000003406e0
[56280.056253] Call Trace:
[56280.070891]  _raw_spin_lock_irqsave+0x33/0x40
[56280.096982]  __remove_mapping+0x4a/0x1e0
[56280.120469]  shrink_page_list+0xb12/0xe60
[56280.144477]  shrink_inactive_list+0x1ad/0x350
[56280.170573]  shrink_node_memcg.isra.0+0x46e/0x7b0
[56280.198747]  shrink_node+0x80/0x2e0
[56280.219631]  balance_pgdat+0x239/0x4a0
[56280.242078]  kswapd+0x165/0x2f0
[56280.260880]  ? wait_woken+0x70/0x70
[56280.281761]  kthread+0xfb/0x130
[56280.300562]  ? balance_pgdat+0x4a0/0x4a0
[56280.324052]  ? kthread_park+0x70/0x70
[56280.345980]  ret_from_fork+0x22/0x40
[56280.367383] 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 xt_multiport xt_tcpudp
xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 it87 hwmon_vid
msr iptable_filter uvcvideo videobuf2_vmalloc videobuf2_memops
snd_usb_audio videobuf2_v4l2 snd_hwdep snd_usbmidi_lib videodev
snd_hda_codec_realtek videobuf2_common snd_rawmidi cdc_acm
snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hda_core snd_seq
snd_seq_device snd_pcm i2c_piix4 k10temp snd_timer snd bfq evdev
acpi_cpufreq binfmt_misc ip_tables x_tables amdgpu hid_generic backlight
sr_mod gpu_sched aesni_intel ttm cdrom usbhid i2c_dev autofs4
[56280.442646] [drm] Fence fallback timer expired on ring gfx
[56280.773148] ---[ end trace 76feac8f53a00048 ]---
[56280.773152] RIP: 0010:queued_spin_lock_slowpath+0x178/0x1d0
[56280.773154] Code: 8b 45 00 48 85 c0 74 f5 48 89 c2 eb e4 c1 ea 12 83
e0 03 ff ca 48 c1 e0 04 48 63 d2 48 05 c0 ed 01 00 48 03 04 d5 20 d5 e0
b1 <48> 89 28 8b 45 08 85 c0 75 09 f3 90 8b 45 08 85 c0 74 f7 48 8b 45
[56280.773155] RSP: 0018:ffffa85240747a88 EFLAGS: 00010002
[56280.773156] RAX: 0001812dff56fe58 RBX: ffffa2e9c6690350 RCX:
0000000000000000
[56280.773157] RDX: 0000000000003199 RSI: 00000000c6690300 RDI:
ffffa2e9c6690350
[56280.773157] RBP: ffffa2ea9f05edc0 R08: 0000000000000238 R09:
0000000000000002
[56280.773158] R10: ffffa2e9c6690348 R11: ffffa2ea8b08ed80 R12:
0000000000080000
[56280.773159] R13: 0000000000000001 R14: ffffa2e9c6690350 R15:
ffffddcf0c8ad008
[56280.773160] FS:  0000000000000000(0000) GS:ffffa2ea9f040000(0000)
knlGS:0000000000000000
[56280.773160] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[56280.773161] CR2: 00007f07ef659fe0 CR3: 00000003eaa7e000 CR4:
00000000003406e0
[56280.773163] note: kswapd0[233] exited with preempt_count 1



What happened here?
Please let me know.

Kind regards,
Udo