I'm reporting a new WARN_ON in sound/hda/hdac_bus.c that was not present in 5.15. Sorry, I don't have time to bisect this right now but report is below.
dmesg in 5.14 kernel was: snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops 0xffffffffaa2ac520) GACT probability on Mirror/redirect action on Simple TC action Loaded u32 classifier Performance counters on input device check on Actions configured hdaudio hdaudioC0D0: Unable to bind the codec hdaudio hdaudioC0D2: Unable to bind the codec
dmesg in 5.15 kernel produces WARN_ON in sound/hda/hdac_bus.c snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops 0xffffffffad8b02a0) GACT probability on Mirror/redirect action on Simple TC action Loaded u32 classifier Performance counters on input device check on Actions configured snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up Initializing XFRM netlink socket ------------[ cut here ]------------ NET: Registered PF_INET6 protocol family WARNING: CPU: 14 PID: 186 at sound/hda/hdac_bus.c:73 snd_hdac_bus_exit+0x40/0x50
Segment Routing with IPv6 Modules linked in: CPU: 14 PID: 186 Comm: kworker/14:2 Tainted: G I 5.15.0 #1 Hardware name: ASUSTeK COMPUTER INC. System Product Name/WS C246 PRO, BIOS 1401 08/13/2020 In-situ OAM (IOAM) with IPv6 Workqueue: events azx_probe_work sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
RIP: 0010:snd_hdac_bus_exit+0x40/0x50 NET: Registered PF_PACKET protocol family Code: 75 19 48 8b 57 58 48 8d 47 58 48 39 c2 75 1b 48 81 c7 f8 02 00 00 e9 ff 97 57 ff 0f 0b 48 8b 57 58 48 8d 47 58 48 39 c2 74 e5 <0f> 0b 48 81 c7 f8 02 00 00 e9 e2 97 57 ff 66 90 0f 1f 44 00 00 41 RPC: Registered rdma transport module. RSP: 0000:ffffa545007b7e88 EFLAGS: 00010202 RPC: Registered rdma backchannel transport module.
Key type dns_resolver registered RAX: ffff89f483078880 RBX: ffff89f483078828 RCX: 0000000080200010 RDX: ffff89f4830792f0 RSI: 0000000000000001 RDI: ffff89f483078828 RBP: ffff89f483078e70 R08: 0000000000000000 R09: ffffffffacf094a4 R10: 0000000000000004 R11: 0000000000000032 R12: ffff89f7dbda50c0 R13: ffff89f7dbda9100 R14: 0000000000000000 R15: ffff89f7dbda9105 FS: 0000000000000000(0000) GS:ffff89f7dbd80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000194a0c001 CR4: 00000000003706e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: azx_free+0xba/0x170 process_one_work+0x1db/0x380 worker_thread+0x4d/0x3e0 ? rescuer_thread+0x370/0x370 kthread+0x124/0x150 ? set_kthread_struct+0x40/0x40 ret_from_fork+0x1f/0x30 ---[ end trace 9779b9e2ef53104c ]---