I am using the official Libre Computer Debian 12 image installed on the Libre Computer 16GB eMMC on Sweet Potato. I setup Wireguard via the pivpn.io setup scripts. After varying periods of uptime (a few hours to a few days) Wireguard appears to cause a kernel oops. After the oops, the system will run for a few hours before freezing. I have tried with kernel 6.1.92 and 6.6.85, both from the libre.computer repositories. This installation is remote, so I only have SSH access to diagnose and fix. Any ideas on how to prevent the oops while keeping wireguard active?
May 17 08:36:16 sweetie kernel: cfg80211: loaded regulatory.db is malformed or signature is missing/invalid
May 17 08:36:16 sweetie kernel: meson8b-dwmac c9410000.ethernet end0: Register MEM_TYPE_PAGE_POOL RxQ-0
May 17 08:36:16 sweetie kernel: meson8b-dwmac c9410000.ethernet end0: PHY [mdio_mux-0.1:08] driver [Meson GXL Internal PHY] (irq=27)
May 17 08:36:16 sweetie kernel: meson8b-dwmac c9410000.ethernet end0: No Safety Features support found
May 17 08:36:16 sweetie kernel: meson8b-dwmac c9410000.ethernet end0: PTP not supported by HW
May 17 08:36:16 sweetie kernel: meson8b-dwmac c9410000.ethernet end0: configuring for phy/rmii link mode
May 17 08:36:17 sweetie kernel: wireguard: WireGuard 1.0.0 loaded. See www.wireguard.com for information.
May 17 08:36:17 sweetie kernel: wireguard: Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
May 17 08:36:18 sweetie kernel: IPv6: ADDRCONF(NETDEV_CHANGE): end0: link becomes ready
May 17 08:36:18 sweetie kernel: meson8b-dwmac c9410000.ethernet end0: Link is Up - 100Mbps/Full - flow control off
May 17 22:48:06 sweetie kernel: hrtimer: interrupt took 256004 ns
May 17 23:46:45 sweetie kernel: Unable to handle kernel paging request at virtual address ffdfb00b03bc50ac
May 17 23:46:45 sweetie kernel: Mem abort info:
May 17 23:46:45 sweetie kernel: ESR = 0x0000000086000004
May 17 23:46:45 sweetie kernel: EC = 0x21: IABT (current EL), IL = 32 bits
May 17 23:46:45 sweetie kernel: SET = 0, FnV = 0
May 17 23:46:45 sweetie kernel: EA = 0, S1PTW = 0
May 17 23:46:45 sweetie kernel: FSC = 0x04: level 0 translation fault
May 17 23:46:45 sweetie kernel: [ffdfb00b03bc50ac] address between user and kernel address ranges
May 17 23:46:45 sweetie kernel: Internal error: Oops: 0000000086000004 [#1] PREEMPT SMP
May 17 23:46:45 sweetie kernel: Modules linked in: tls wireguard libchacha20poly1305 chacha_neon poly1305_neon libcurve25519_generic libchacha ip6_udp_tunnel udp_tunnel nvme_fabrics nvme_core cfg80211 rfkill binfmt_misc meson_vdec(C) nft_chain_nat videobuf2_dma_contig v4l2>
May 17 23:46:45 sweetie kernel: CPU: 1 PID: 65688 Comm: feed-airplanes Tainted: G C 6.1.92-15907-gf36fd2695db3 #1
May 17 23:46:45 sweetie kernel: Hardware name: libre-computer aml-s905x-cc-v2/aml-s905x-cc-v2, BIOS 2023.07+ 07/01/2023
May 17 23:46:45 sweetie kernel: pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
May 17 23:46:45 sweetie kernel: pc : 0xffdfb00b03bc50ac
May 17 23:46:45 sweetie kernel: lr : 0xffffb00b03bc50ac
May 17 23:46:45 sweetie kernel: sp : ffff80000a8fbb20
May 17 23:46:45 sweetie kernel: x29: ffff80000a8fbb20 x28: ffff0799cedec880 x27: 0000000000000000
May 17 23:46:45 sweetie kernel: x26: 0000000000000014 x25: 0000000000000000 x24: ffff079988f91600
May 17 23:46:45 sweetie kernel: x23: 0000000000000001 x22: ffff80000a8fbde8 x21: ffff0799979bdb40
May 17 23:46:45 sweetie kernel: x20: 0000000000000002 x19: ffff80000a8fbc60 x18: 0000000000000000
May 17 23:46:45 sweetie kernel: x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
May 17 23:46:45 sweetie kernel: x14: 0000000000000000 x13: ffff079981944034 x12: ffff80000a8fbca4
May 17 23:46:45 sweetie kernel: x11: 0000000c32bb9e9e x10: 0000000000000002 x9 : ffffb01b03bc519c
May 17 23:46:45 sweetie kernel: x8 : ffff0799979bdb40 x7 : d0d0d0d0b5a4b1a4 x6 : 0000000000200008
May 17 23:46:45 sweetie kernel: x5 : 0000000000000135 x4 : 0000000000000064 x3 : 0000000000000000
May 17 23:46:45 sweetie kernel: x2 : 0000000b00000000 x1 : 0000000a00000000 x0 : 0000000000000001
May 17 23:46:45 sweetie kernel: Call trace:
May 17 23:46:45 sweetie kernel: 0xffdfb00b03bc50ac
May 17 23:46:45 sweetie kernel: try_to_unlazy+0x48/0x100
May 17 23:46:45 sweetie kernel: lookup_fast+0xcc/0x150
May 17 23:46:45 sweetie kernel: walk_component+0x30/0x1a0
May 17 23:46:45 sweetie kernel: path_lookupat+0x80/0x1ac
May 17 23:46:45 sweetie kernel: filename_lookup+0xb4/0x1b0
May 17 23:46:45 sweetie kernel: user_path_at_empty+0x54/0x80
May 17 23:46:45 sweetie kernel: do_faccessat+0x98/0x2d0
May 17 23:46:45 sweetie kernel: __arm64_sys_faccessat+0x2c/0x40
May 17 23:46:45 sweetie kernel: invoke_syscall+0x50/0x120
May 17 23:46:45 sweetie kernel: el0_svc_common.constprop.0+0x4c/0xf4
May 17 23:46:45 sweetie kernel: do_el0_svc+0x34/0xd0
May 17 23:46:45 sweetie kernel: el0_svc+0x2c/0x84
May 17 23:46:45 sweetie kernel: el0t_64_sync_handler+0xf4/0x120
May 17 23:46:45 sweetie kernel: el0t_64_sync+0x18c/0x190
May 17 23:46:45 sweetie kernel: Code: bad PC value
May 17 23:46:45 sweetie kernel: ---[ end trace 0000000000000000 ]---