Dear ALSA folks,

is the following oops already known to you [1]?

** Kernel log: [ 41.265636] parport0: PC-style at 0x378, irq 7 [PCSPP,TRISTATE] [ 41.680357] HDA Intel 0000:20:01.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17 [ 41.680444] HDA Intel 0000:20:01.0: setting latency timer to 64 [ 41.680462] BUG: unable to handle kernel paging request at ffffc90011c08000 [ 41.680617] IP: [<ffffffffa0578402>] azx_probe+0x3ad/0x86b [snd_hda_intel] [ 41.680728] PGD 13781a067 PUD 13781b067 PMD 1300ba067 PTE 800000fd00000173 [ 41.680956] Oops: 0009 [#1] SMP [ 41.681098] last sysfs file: /sys/module/snd_pcm/initstate [ 41.681159] CPU 0 [ 41.681203] Modules linked in: snd_hda_intel(+) snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event tpm_tis tpm snd_seq tpm_bios psmouse parport_pc snd_timer snd_seq_device parport processor evdev snd i2c_viapro thermal_sys amd64_edac_mod k8temp i2c_core soundcore shpchp pcspkr serio_raw asus_atk0110 pci_hotplug edac_core button snd_page_alloc edac_mce_amd ext3 jbd mbcache sha256_generic cryptd aes_x86_64 aes_generic cbc dm_crypt dm_mod raid1 md_mod usbhid hid sg sd_mod crc_t10dif sr_mod cdrom ata_generic uhci_hcd sata_via pata_via libata ehci_hcd usbcore scsi_mod via_rhine mii nls_base [last unloaded: scsi_wait_scan] [ 41.684180] [ 41.684180] Pid: 1153, comm: work_for_cpu Not tainted 2.6.37-1-amd64 #1 M2V-MX SE/System Product Name [ 41.684180] RIP: 0010:[<ffffffffa0578402>] [<ffffffffa0578402>] azx_probe+0x3ad/0x86b [snd_hda_intel] [ 41.684180] RSP: 0018:ffff88013153fe50 EFLAGS: 00010286 [ 41.684180] RAX: ffffc90011c08000 RBX: ffff88013029ec00 RCX: 0000000000000006 [ 41.684180] RDX: 0000000000000000 RSI: 0000000000000246 RDI: 0000000000000246 [ 41.684180] RBP: ffff88013341d000 R08: 0000000000000000 R09: 0000000000000040 [ 41.684180] R10: 0000000000000286 R11: 0000000000003731 R12: ffff88013029c400 [ 41.684180] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88013341d090 [ 41.684180] FS: 0000000000000000(0000) GS:ffff8800bfc00000(0000) knlGS:00000000f7610ab0 [ 41.684180] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 41.684180] CR2: ffffc90011c08000 CR3: 0000000132f57000 CR4: 00000000000006f0 [ 41.684180] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.684180] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 41.684180] Process work_for_cpu (pid: 1153, threadinfo ffff88013153e000, task ffff8801303c86c0) [ 41.684180] Stack: [ 41.684180] 0000000000000005 ffffffff8123ad65 00000000000136c0 ffff88013029c400 [ 41.684180] ffff8801303c8998 ffff88013341d000 ffff88013341d090 ffff8801322d9dc8 [ 41.684180] ffff88013341d208 0000000000000000 0000000000000000 ffffffff811ad232 [ 41.684180] Call Trace: [ 41.684180] [<ffffffff8123ad65>] ? __pm_runtime_set_status+0x162/0x186 [ 41.684180] [<ffffffff811ad232>] ? local_pci_probe+0x49/0x92 [ 41.684180] [<ffffffff8105afc5>] ? do_work_for_cpu+0x0/0x1b [ 41.684180] [<ffffffff8105afc5>] ? do_work_for_cpu+0x0/0x1b [ 41.684180] [<ffffffff8105afd0>] ? do_work_for_cpu+0xb/0x1b [ 41.684180] [<ffffffff8105fd3f>] ? kthread+0x7a/0x82 [ 41.684180] [<ffffffff8100a824>] ? kernel_thread_helper+0x4/0x10 [ 41.684180] [<ffffffff8105fcc5>] ? kthread+0x0/0x82 [ 41.684180] [<ffffffff8100a820>] ? kernel_thread_helper+0x0/0x10 [ 41.684180] Code: f4 01 00 00 ef 31 f6 48 89 df e8 29 dd ff ff 85 c0 0f 88 2b 03 00 00 48 89 ef e8 b4 39 c3 e0 8b 7b 40 e8 fc 9d b1 e0 48 8b 43 38 <66> 8b 10 66 89 14 24 8b 43 14 83 e8 03 83 f8 01 77 32 31 d2 be [ 41.684180] RIP [<ffffffffa0578402>] azx_probe+0x3ad/0x86b [snd_hda_intel] [ 41.684180] RSP <ffff88013153fe50> [ 41.684180] CR2: ffffc90011c08000 [ 41.684180] ---[ end trace 8d1f3ebc136437fd ]--- [ 42.127750] input: ImPS/2 Logitech Wheel Mouse as /devices/platform/i8042/serio1/input/input5 [ 63.455908] EXT3-fs (dm-1): using internal journal

Searching the Web a comment to a report [2] says that such problems are hard to debug. Can you give me any hints? I will try to provide the output of `alsa-info.sh` in some hours.

Thanks,

Paul

[1] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=613979 [2] https://bugzilla.kernel.org/show_bug.cgi?id=9305