[ 147.003192] ------------[ cut here ]------------ [ 147.003222] workqueue: ovpn is using neither WQ_PERCPU or WQ_UNBOUND. Setting WQ_PERCPU. [ 147.003249] WARNING: kernel/workqueue.c:5851 at __alloc_workqueue+0x6de/0x750, CPU#0: modprobe/2030 [ 147.003283] Modules linked in: ovpn(+) ip6_udp_tunnel udp_tunnel 8021q [ 147.003306] CPU: 0 UID: 0 PID: 2030 Comm: modprobe Not tainted 7.2.0-rc6-virtme #1 PREEMPT(lazy) [ 147.003333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 147.003354] RIP: 0010:__alloc_workqueue+0x6e2/0x750 [ 147.003375] Code: 48 89 b0 90 00 00 00 48 89 16 48 89 51 08 e9 7b fd ff ff 90 0f 0b 90 45 31 ed e9 ed fd ff ff 48 8d 3d 82 1b 4b 01 48 8b 34 24 <67> 48 0f b9 3a 80 cf 01 e9 a3 f9 ff ff 49 3b 45 08 0f 85 49 fe ff [ 147.003428] RSP: 0018:ff6d45a34182bc68 EFLAGS: 00010246 [ 147.003446] RAX: 0000000000000004 RBX: 0000000000000000 RCX: 0000000000000004 [ 147.003467] RDX: 0000000000000000 RSI: ff19ec8bc4110ab8 RDI: ffffffffa0c6b5f0 [ 147.003491] RBP: ffffffffc0221c06 R08: ffffffffc0221c0a R09: 0000000000000000 [ 147.003512] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 147.003533] R13: ff19ec8bc4110a00 R14: ff6d45a34182bcb8 R15: 0000000000000000 [ 147.003560] FS: 00007f8548912bc0(0000) GS:ff19ec8c5da54000(0000) knlGS:0000000000000000 [ 147.003584] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 147.003604] CR2: 00007f8548a6dc40 CR3: 0000000003106006 CR4: 0000000000771ef0 [ 147.003625] PKRU: 55555554 [ 147.003636] Call Trace: [ 147.003645] [ 147.003653] ? udp_tunnel_nic_cleanup_module+0xc90/0xc90 [udp_tunnel] [ 147.003675] alloc_workqueue_noprof+0x57/0x70 [ 147.003693] ovpn_init+0x1f/0xa0 [ovpn] [ 147.003705] do_one_initcall+0x8b/0x250 [ 147.003719] do_init_module+0x6a/0x260 [ 147.003736] init_module_from_file+0xbd/0x110 [ 147.003754] idempotent_init_module+0x23a/0x360 [ 147.003773] __x64_sys_finit_module+0x6d/0xd0 [ 147.003791] do_syscall_64+0x104/0x520 [ 147.003805] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 147.003823] RIP: 0033:0x7f8548a0837d [ 147.003834] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 [ 147.003889] RSP: 002b:00007ffff9d51478 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 147.003914] RAX: ffffffffffffffda RBX: 000055e5deefa9b0 RCX: 00007f8548a0837d [ 147.003936] RDX: 0000000000000000 RSI: 000055e5a066fffd RDI: 0000000000000007 [ 147.003959] RBP: 00007ffff9d51510 R08: 0000000000000000 R09: 0000000000000000 [ 147.003978] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e5a066fffd [ 147.003998] R13: 000055e5deefaad0 R14: 0000000000040000 R15: 0000000000000000 [ 147.004021] [ 147.004030] ---[ end trace 0000000000000000 ]--- [ 150.674886] ip (2141) used greatest stack depth: 12272 bytes left [ 155.938779] tun0: no available key for peer 2, key-id: 0 [ 155.953367] tun0: no available key for peer 3, key-id: 0 [ 155.967885] tun0: no available key for peer 4, key-id: 0 [ 155.982067] tun0: no available key for peer 5, key-id: 0 [ 162.359591] iperf3 (2448) used greatest stack depth: 11832 bytes left [ 162.677252] tun0: deleting peer with id 1, reason 1 [ 162.693434] tun1: deleting peer with id 10, reason 1 [ 164.798429] tun0: deleting peer with id 2, reason 1 [ 164.811526] tun2: deleting peer with id 11, reason 1 [ 169.992152] tun0: deleting peer with id 4, reason 2 [ 169.992212] tun0: deleting peer with id 3, reason 2 [ 169.992239] tun0: deleting peer with id 5, reason 2 [ 169.992256] tun0: deleting peer with id 6, reason 2 [ 174.984152] tun4: deleting peer with id 13, reason 2 [ 174.984256] tun3: deleting peer with id 12, reason 2 [ 175.048147] tun6: deleting peer with id 15, reason 2 [ 175.048151] tun5: deleting peer with id 14, reason 2