Public bug reported: Occuring on init. Laptop's LG M1 Dual Express. Used to work some time ago in 2.6 or so. Works in Windows.
Strack trace: Oct 10 14:09:39 bentley2 kernel: [28736.755733] snd_hda_intel 0000:00:1b.0: PCI INT A -> GSI 22 (level, low) -> IRQ 22 Oct 10 14:09:39 bentley2 kernel: [28736.755796] snd_hda_intel 0000:00:1b.0: setting latency timer to 64 Oct 10 14:09:39 bentley2 kernel: [28736.824193] hda_codec: ALC883: BIOS auto-probing. Oct 10 14:09:39 bentley2 kernel: [28736.824201] hda_codec: ALC883: SKU not ready 0x411111f0 Oct 10 14:09:39 bentley2 kernel: [28736.826133] BUG: unable to handle kernel NULL pointer dereference at 00000002 Oct 10 14:09:39 bentley2 kernel: [28736.826139] IP: [<c12a5025>] strcmp+0x15/0x30 Oct 10 14:09:39 bentley2 kernel: [28736.826150] *pde = 5e5e5067 Oct 10 14:09:39 bentley2 kernel: [28736.826154] Oops: 0000 [#1] SMP Oct 10 14:09:39 bentley2 kernel: [28736.826159] 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 btrfs zlib_deflate libcrc32c ufs qnx4 hfsplus hfs minix ntfs vfat msdos fat jfs xfs reiserfs ext2 usbhid hid rfcomm parport_pc ppdev bnep dm_crypt nfsd nfs binfmt_misc lockd fscache auth_rpcgss nfs_acl sunrpc nvidia(P) tifm_sd tifm_7xx1 btusb arc4 tifm_core pcmcia joydev iwl3945 bluetooth iwl_legacy yenta_socket pcmcia_rsrc mac80211 et131x(C) cfg80211 pcmcia_core psmouse serio_raw wmi mac_hid coretemp lp parport uvesafb firewire_ohci firewire_core crc_itu_t sdhci_pci sdhci video [last unloaded: hid] Oct 10 14:09:39 bentley2 kernel: [28736.826236] Oct 10 14:09:39 bentley2 kernel: [28736.826240] Pid: 25245, comm: modprobe Tainted: P C O 3.2.0-25-generic #40-Ubuntu LG Electronics M1-KP65R1/ROCKY Oct 10 14:09:39 bentley2 kernel: [28736.826247] EIP: 0060:[<c12a5025>] EFLAGS: 00010282 CPU: 0 Oct 10 14:09:39 bentley2 kernel: [28736.826251] EIP is at strcmp+0x15/0x30 Oct 10 14:09:39 bentley2 kernel: [28736.826254] EAX: 00000002 EBX: 00000002 ECX: 00000004 EDX: fbedd898 Oct 10 14:09:39 bentley2 kernel: [28736.826257] ESI: 00000002 EDI: fbedd898 EBP: dc51dd6c ESP: dc51dd64 Oct 10 14:09:39 bentley2 kernel: [28736.826260] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 Oct 10 14:09:39 bentley2 kernel: [28736.826264] Process modprobe (pid: 25245, ti=dc51c000 task=d52cd860 task.ti=dc51c000) Oct 10 14:09:39 bentley2 kernel: [28736.826266] Stack: Oct 10 14:09:39 bentley2 kernel: [28736.826269] 00000004 f32ff000 dc51dda4 fbec1b56 00000018 00000003 f32ff2c0 d5134870 Oct 10 14:09:39 bentley2 kernel: [28736.826278] 0019e000 00000005 d5134800 00000026 00000000 f32ff000 d5134800 fbec6b24 Oct 10 14:09:39 bentley2 kernel: [28736.826288] dc51ddc4 fbec2b55 00000000 d50952c0 f32ff2c0 d5134800 f32ff000 00000000 Oct 10 14:09:39 bentley2 kernel: [28736.826297] Call Trace: Oct 10 14:09:39 bentley2 kernel: [28736.826307] [<fbec1b56>] alc_auto_create_multi_out_ctls+0x96/0x1c0 [snd_hda_codec_realtek] Oct 10 14:09:39 bentley2 kernel: [28736.826316] [<fbec2b55>] alc_parse_auto_config+0x85/0x280 [snd_hda_codec_realtek] Oct 10 14:09:39 bentley2 kernel: [28736.826324] [<fbec38be>] patch_alc882+0x21e/0x320 [snd_hda_codec_realtek] Oct 10 14:09:39 bentley2 kernel: [28736.826334] [<fa9a7a4f>] snd_hda_codec_configure+0x5f/0x190 [snd_hda_codec] Oct 10 14:09:39 bentley2 kernel: [28736.826342] [<f92ff610>] ? azx_get_response+0x30/0x30 [snd_hda_intel] Oct 10 14:09:39 bentley2 kernel: [28736.826348] [<f92ff010>] ? azx_power_notify+0x70/0x70 [snd_hda_intel] Oct 10 14:09:39 bentley2 kernel: [28736.826354] [<f92fefa0>] ? azx_stop_chip+0x20/0x20 [snd_hda_intel] Oct 10 14:09:39 bentley2 kernel: [28736.826360] [<f9300282>] azx_probe+0x14e/0x212 [snd_hda_intel] Oct 10 14:09:39 bentley2 kernel: [28736.826366] [<c12bdff7>] local_pci_probe+0x47/0xb0 Oct 10 14:09:39 bentley2 kernel: [28736.826371] [<c12bf4b8>] pci_device_probe+0x68/0x90 Oct 10 14:09:39 bentley2 kernel: [28736.826376] [<c1196487>] ? sysfs_create_link+0x17/0x20 Oct 10 14:09:39 bentley2 kernel: [28736.826382] [<c136532d>] really_probe+0x4d/0x150 Oct 10 14:09:39 bentley2 kernel: [28736.826387] [<c136ea09>] ? pm_runtime_barrier+0x49/0xb0 Oct 10 14:09:39 bentley2 kernel: [28736.826391] [<c136556a>] driver_probe_device+0x3a/0x60 Oct 10 14:09:39 bentley2 kernel: [28736.826395] [<c1365621>] __driver_attach+0x91/0xa0 Oct 10 14:09:39 bentley2 kernel: [28736.826399] [<c1365590>] ? driver_probe_device+0x60/0x60 Oct 10 14:09:39 bentley2 kernel: [28736.826403] [<c13646a9>] bus_for_each_dev+0x49/0x70 Oct 10 14:09:39 bentley2 kernel: [28736.826407] [<c1365161>] driver_attach+0x21/0x30 Oct 10 14:09:39 bentley2 kernel: [28736.826411] [<c1365590>] ? driver_probe_device+0x60/0x60 Oct 10 14:09:39 bentley2 kernel: [28736.826415] [<c1364e3f>] bus_add_driver+0x17f/0x260 Oct 10 14:09:39 bentley2 kernel: [28736.826420] [<c12bf4e0>] ? pci_device_probe+0x90/0x90 Oct 10 14:09:39 bentley2 kernel: [28736.826424] [<c1365af6>] driver_register+0x66/0x110 Oct 10 14:09:39 bentley2 kernel: [28736.826428] [<c12bf262>] __pci_register_driver+0x42/0xc0 Oct 10 14:09:39 bentley2 kernel: [28736.826434] [<f911a017>] alsa_card_azx_init+0x17/0x1000 [snd_hda_intel] Oct 10 14:09:39 bentley2 kernel: [28736.826439] [<c1001125>] do_one_initcall+0x35/0x170 Oct 10 14:09:39 bentley2 kernel: [28736.826444] [<f911a000>] ? 0xf9119fff Oct 10 14:09:39 bentley2 kernel: [28736.826450] [<c108660d>] sys_init_module+0xad/0x210 Oct 10 14:09:39 bentley2 kernel: [28736.826455] [<c1130fe3>] ? sys_close+0x73/0xc0 Oct 10 14:09:39 bentley2 kernel: [28736.826461] [<c1577674>] syscall_call+0x7/0xb Oct 10 14:09:39 bentley2 kernel: [28736.826466] [<c1570000>] ? scsi_unregister_device_handler.part.10+0x5b/0x8f Oct 10 14:09:39 bentley2 kernel: [28736.826469] 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 Oct 10 14:09:39 bentley2 kernel: [28736.826527] EIP: [<c12a5025>] strcmp+0x15/0x30 SS:ESP 0068:dc51dd64 Oct 10 14:09:39 bentley2 kernel: [28736.826533] CR2: 0000000000000002 Oct 10 14:09:39 bentley2 kernel: [28736.826537] ---[ end trace ce403daec6b212e1 ]--- Allegedly, no additional options to snd-hda-intel were supplied. The device: 00:1b.0 Audio device: Intel Corporation N10/ICH 7 Family High Definition Audio Controller (rev 02) Subsystem: LG Electronics, Inc. Device 0040 Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0, Cache Line Size: 64 bytes Interrupt: pin A routed to IRQ 11 Region 0: Memory at da400000 (64-bit, non-prefetchable) [size=16K] Capabilities: [50] Power Management version 2 Flags: PMEClk- DSI- D1- D2- AuxCurrent=55mA PME(D0+,D1-,D2-,D3hot+,D3cold+) Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- Capabilities: [60] MSI: Enable- Count=1/1 Maskable- 64bit+ Address: 0000000000000000 Data: 0000 Capabilities: [70] Express (v1) Root Complex Integrated Endpoint, MSI 00 DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <64ns, L1 <1us ExtTag- RBE- FLReset- DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported- RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop+ MaxPayload 128 bytes, MaxReadReq 128 bytes DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend- LnkCap: Port #0, Speed unknown, Width x0, ASPM unknown, Latency L0 <64ns, L1 <1us ClockPM- Surprise- LLActRep- BwNot- LnkCtl: ASPM Disabled; Disabled- Retrain- CommClk- ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- LnkSta: Speed unknown, Width x0, TrErr- Train- SlotClk- DLActive- BWMgmt- ABWMgmt- Capabilities: [100 v1] Virtual Channel Caps: LPEVC=0 RefClk=100ns PATEntryBits=1 Arb: Fixed- WRR32- WRR64- WRR128- Ctrl: ArbSelect=Fixed Status: InProgress- VC0: Caps: PATOffset=00 MaxTimeSlots=1 RejSnoopTrans- Arb: Fixed- WRR32- WRR64- WRR128- TWRR128- WRR256- Ctrl: Enable+ ID=0 ArbSelect=Fixed TC/VC=01 Status: NegoPending- InProgress- VC1: Caps: PATOffset=00 MaxTimeSlots=1 RejSnoopTrans- Arb: Fixed- WRR32- WRR64- WRR128- TWRR128- WRR256- Ctrl: Enable+ ID=1 ArbSelect=Fixed TC/VC=80 Status: NegoPending- InProgress- Capabilities: [130 v1] Root Complex Link Desc: PortNumber=0f ComponentID=02 EltType=Config Link0: Desc: TargetPort=00 TargetComponent=02 AssocRCRB- LinkType=MemMapped LinkValid+ Addr: 00000000fed1c000 Kernel modules: snd-hda-intel Forward to upstream or whatever. I'd like to bring the sound back on my Bentley. Thanks. ** Affects: alsa-driver (Ubuntu) Importance: Undecided Status: New ** Tags: alsa alsa-driver kernel-bug oops -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1067269 Title: Oops during snd_hda_intel init To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1067269/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs