Lock-up in pidm.c #1364
Description
This looks very similar to the problem I observed with CIDM. I'll send the patch about this as soon as I can.
[3437663.796621] CPU: 27 PID: 9370 Comm: ipcm-io-thread Tainted: G OEL 4.15.0-161-generic #169-Ubuntu
[3437663.796621] Hardware name: Dell Inc. PowerEdge R740xd/0YNX56, BIOS 2.12.2 07/09/2021
[3437663.796629] RIP: 0010:pidm_allocated+0x2c/0x60 [rina_irati_core]
[3437663.796630] RSP: 0018:ffffa53c8e2f7da8 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff11
[3437663.796631] RAX: ffff8aacbc944060 RBX: 0000000000000106 RCX: 0000000000000381
[3437663.796631] RDX: ffff8aacbc944f20 RSI: 0000000000000106 RDI: ffff8a949a0b2840
[3437663.796632] RBP: ffffa53c8e2f7dc0 R08: 0000000000000000 R09: 0000000000000000
[3437663.796632] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8a949a0b2840
[3437663.796632] R13: 0000000000000001 R14: 0000000000000001 R15: ffff8aacd18c6c60
[3437663.796633] FS: 00007fe620d1c700(0000) GS:ffff8aacdf340000(0000) knlGS:0000000000000000
[3437663.796634] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[3437663.796634] CR2: 00007fe61c2821f8 CR3: 0000002f38318002 CR4: 00000000007606e0
[3437663.796635] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[3437663.796635] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[3437663.796635] PKRU: 55555554
[3437663.796636] Call Trace:
[3437663.796643] ? pidm_allocate+0x35/0x100 [rina_irati_core]
[3437663.796649] kfa_port_id_reserve+0x27/0xb0 [rina_irati_core]
[3437663.796656] notify_ipcp_allocate_flow_request+0x7a/0x280 [rina_irati_core]
[3437663.796664] ? deserialize_irati_msg+0x334/0x8f0 [rina_irati_core]
[3437663.796671] ctrldev_write+0xfe/0x230 [rina_irati_core]
[3437663.796673] __vfs_write+0x1b/0x40
[3437663.796673] vfs_write+0xb1/0x1a0
[3437663.796674] SyS_write+0x5c/0xe0
[3437663.796676] do_syscall_64+0x73/0x130
[3437663.796677] entry_SYSCALL_64_after_hwframe+0x41/0xa6