alsa hiccup

gistfile1.txt

[13851.912097] snd_hda_intel 0000:00:1b.0: PCI INT A -> GSI 22 (level, low) -> IRQ 22
[13851.912322] snd_hda_intel 0000:00:1b.0: irq 46 for MSI/MSI-X
[13851.912362] snd_hda_intel 0000:00:1b.0: setting latency timer to 64
[13851.983641] hda_codec: ALC883: BIOS auto-probing.
[13851.983647] hda_codec: ALC883: SKU not ready 0x411111f0
[13851.985590] BUG: unable to handle kernel NULL pointer dereference at 00000002
[13851.985597] IP: [<c12a5025>] strcmp+0x15/0x30
[13851.985609] *pde = 00000000 
[13851.985613] Oops: 0000 [#1] SMP 
[13851.985618] Modules linked in: snd_hda_codec_realtek snd_hda_intel(+) snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device snd soundcore snd_page_alloc usblp dm_crypt joydev tifm_sd nvidia(P) pcmcia arc4 iwl3945 iwl_legacy tifm_7xx1 rfcomm parport_pc tifm_core bnep ppdev nfsd nfs mac80211 btusb lockd fscache auth_rpcgss nfs_acl yenta_socket pcmcia_rsrc psmouse pcmcia_core binfmt_misc sunrpc bluetooth serio_raw cfg80211 et131x(C) wmi mac_hid coretemp lp parport uvesafb firewire_ohci firewire_core crc_itu_t sdhci_pci sdhci video
[13851.985676] 
[13851.985681] Pid: 22667, comm: modprobe Tainted: P         C O 3.2.0-25-generic #40-Ubuntu LG Electronics M1-KP65R1/ROCKY
[13851.985689] EIP: 0060:[<c12a5025>] EFLAGS: 00010282 CPU: 0
[13851.985694] EIP is at strcmp+0x15/0x30
[13851.985697] EAX: 00000002 EBX: 00000002 ECX: 00000004 EDX: f8f8d898
[13851.985701] ESI: 00000002 EDI: f8f8d898 EBP: f33a9d6c ESP: f33a9d64
[13851.985705]  DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[13851.985710] Process modprobe (pid: 22667, ti=f33a8000 task=ef520ca0 task.ti=f33a8000)
[13851.985712] Stack:
[13851.985715]  00000004 f1823000 f33a9da4 f8f71b56 00000018 00000003 f18232c0 f3734c70
[13851.985724]  0019f000 00000005 f3734c00 00000026 00000000 f1823000 f3734c00 f8f76b24
[13851.985733]  f33a9dc4 f8f72b55 00000000 e5f483b0 f18232c0 f3734c00 f1823000 00000000
[13851.985742] Call Trace:
[13851.985754]  [<f8f71b56>] alc_auto_create_multi_out_ctls+0x96/0x1c0 [snd_hda_codec_realtek]
[13851.985766]  [<f8f72b55>] alc_parse_auto_config+0x85/0x280 [snd_hda_codec_realtek]
[13851.985776]  [<f8f738be>] patch_alc882+0x21e/0x320 [snd_hda_codec_realtek]
[13851.985790]  [<f8d83a4f>] snd_hda_codec_configure+0x5f/0x190 [snd_hda_codec]
[13851.985799]  [<f8d63610>] ? azx_get_response+0x30/0x30 [snd_hda_intel]
[13851.985807]  [<f8d63010>] ? azx_power_notify+0x70/0x70 [snd_hda_intel]
[13851.985814]  [<f8d62fa0>] ? azx_stop_chip+0x20/0x20 [snd_hda_intel]
[13851.985822]  [<f8d64282>] azx_probe+0x14e/0x212 [snd_hda_intel]
[13851.985829]  [<c12bdff7>] local_pci_probe+0x47/0xb0
[13851.985834]  [<c12bf4b8>] pci_device_probe+0x68/0x90
[13851.985841]  [<c1196487>] ? sysfs_create_link+0x17/0x20
[13851.985847]  [<c136532d>] really_probe+0x4d/0x150
[13851.985853]  [<c136ea09>] ? pm_runtime_barrier+0x49/0xb0
[13851.985858]  [<c136556a>] driver_probe_device+0x3a/0x60
[13851.985863]  [<c1365621>] __driver_attach+0x91/0xa0
[13851.985868]  [<c1365590>] ? driver_probe_device+0x60/0x60
[13851.985873]  [<c13646a9>] bus_for_each_dev+0x49/0x70
[13851.985877]  [<c1365161>] driver_attach+0x21/0x30
[13851.985882]  [<c1365590>] ? driver_probe_device+0x60/0x60
[13851.985887]  [<c1364e3f>] bus_add_driver+0x17f/0x260
[13851.985892]  [<c12bf4e0>] ? pci_device_probe+0x90/0x90
[13851.985897]  [<c1365af6>] driver_register+0x66/0x110
[13851.985902]  [<c12bf262>] __pci_register_driver+0x42/0xc0
[13851.985910]  [<f8034017>] alsa_card_azx_init+0x17/0x1000 [snd_hda_intel]
[13851.985916]  [<c1001125>] do_one_initcall+0x35/0x170
[13851.985922]  [<f8034000>] ? 0xf8033fff
[13851.985927]  [<c108660d>] sys_init_module+0xad/0x210
[13851.985934]  [<c1130fe3>] ? sys_close+0x73/0xc0
[13851.985941]  [<c1577674>] syscall_call+0x7/0xb
[13851.985947]  [<c1570000>] ? scsi_unregister_device_handler.part.10+0x5b/0x8f
[13851.985950] Code: 5d f4 8b 7d fc 89 ec 5d c3 8d b6 00 00 00 00 8d bc 27 00 00 00 00 55 89 e5 83 ec 08 89 75 f8 89 7d fc 3e 8d 74 26 00 89 c6 89 d7 <ac> ae 75 08 84 c0 75 f8 31 c0 eb 04 19 c0 0c 01 8b 75 f8 8b 7d 
[13851.986002] EIP: [<c12a5025>] strcmp+0x15/0x30 SS:ESP 0068:f33a9d64
[13851.986009] CR2: 0000000000000002
[13851.986192] ---[ end trace 49e6935b07109a7b ]---