you better report this  bug to alsa-devel mailing list

[   36.301296] snd_hda_intel 0000:02:00.1: PCI INT B -> GSI 25 (level, low) -> IRQ 25
[   36.301355] snd_hda_intel 0000:02:00.1: setting latency timer to 64
[   36.301368] snd_hda_intel 0000:02:00.1: PCI: Disallowing DAC for device
[   36.359184] HDMI status: Codec=0 Pin=3 Presence_Detect=0 ELD_Valid=0
[   36.359292] input: HDA ATI HDMI HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:02.0/0000:02:00.1/sound/card0/input6
[   36.361182] snd_hda_intel 0000:80:01.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
[   36.361223] snd_hda_intel 0000:80:01.0: setting latency timer to 64
[   36.361239] BUG: unable to handle kernel paging request at ffffc90000378000
[   36.361362] IP: [<ffffffffa0345f63>] azx_create+0x37c/0x822 [snd_hda_intel]
[   36.361488] PGD 7d01a067 PUD 7d01b067 PMD 7be1f067 PTE 800000fd00000173
[   36.361605] Oops: 0009 [#1] SMP 
[   36.361663] CPU 0 
[   36.361697] Modules linked in: snd_hda_codec_hdmi snd_hda_intel(+) snd_hda_codec snd_hwdep snd_pcm snd_seq_midi joydev snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device snd edac_core soundcore snd_page_alloc edac_mce_amd i2c_viapro k8temp psmouse serio_raw shpchp mac_hid lp parport btrfs zlib_deflate libcrc32c radeon ttm drm_kms_helper 8139too usbhid hid drm aic7xxx 8139cp sata_via pata_via i2c_algo_bit floppy
[   36.362424] 
[   36.362451] Pid: 903, comm: work_for_cpu Not tainted 3.2.0-27-generic #43-Ubuntu Foxconn OEM/K8M890-8237A
[   36.362619] RIP: 0010:[<ffffffffa0345f63>]  [<ffffffffa0345f63>] azx_create+0x37c/0x822 [snd_hda_intel]
[   36.362782] RSP: 0018:ffff88007756de00  EFLAGS: 00010286
[   36.362872] RAX: ffffc90000378000 RBX: ffff88007756de68 RCX: 00000000fffffffa
[   36.362992] RDX: 0000000000000016 RSI: 0000000000000282 RDI: 0000000000000282
[   36.363112] RBP: ffff88007756de50 R08: ffff88003691d000 R09: ffff88007cc000a0
[   36.363232] R10: ffff88007a761000 R11: 0000000000000000 R12: ffff88007b974000
[   36.363351] R13: ffff88007a760400 R14: 0000000000000000 R15: 0000000000000001
[   36.363472] FS:  00007f362b42b700(0000) GS:ffff88007fc00000(0000) knlGS:0000000000000000
[   36.363609] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[   36.363706] CR2: ffffc90000378000 CR3: 0000000077b29000 CR4: 00000000000006f0
[   36.363825] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   36.363945] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[   36.364011] Process work_for_cpu (pid: 903, threadinfo ffff88007756c000, task ffff88007755ade0)
[   36.364011] Stack:
[   36.364011]  ffff88007756de50 ffffffffa02e836d ffff880000000000 ffff88007a761000
[   36.364011]  0000000000000282 ffff88007b974000 ffffffffa0348040 ffff88007b974090
[   36.364011]  0000000000000000 0000000000000000 ffff88007756de90 ffffffffa03466cf
[   36.364011] Call Trace:
[   36.364011]  [<ffffffffa02e836d>] ? snd_card_create+0x1ad/0x3a0 [snd]
[   36.364011]  [<ffffffffa03466cf>] azx_probe+0xab/0x25e [snd_hda_intel]
[   36.364011]  [<ffffffff81334a2c>] local_pci_probe+0x5c/0xd0
[   36.364011]  [<ffffffff81082400>] ? wake_up_worker+0x30/0x30
[   36.364011]  [<ffffffff81082418>] do_work_for_cpu+0x18/0x30
[   36.364011]  [<ffffffff8108a58c>] kthread+0x8c/0xa0
[   36.364011]  [<ffffffff816643f4>] kernel_thread_helper+0x4/0x10
[   36.364011]  [<ffffffff8108a500>] ? flush_kthread_worker+0xa0/0xa0
[   36.364011]  [<ffffffff816643f0>] ? gs_change+0x13/0x13
[   36.364011] Code: ff ff 85 c0 4c 8b 55 c8 0f 88 9f 04 00 00 4c 89 e7 e8 62 b9 fe e0 4c 8b 55 c8 41 8b 7a 40 e8 65 36 d9 e0 4c 8b 55 c8 49 8b 42 38 <66> 44 8b 30 49 8b 42 08 8b 4d c0 66 81 78 3c 02 10 75 3e 31 d2 
[   36.364011] RIP  [<ffffffffa0345f63>] azx_create+0x37c/0x822 [snd_hda_intel]
[   36.364011]  RSP <ffff88007756de00>
[   36.364011] CR2: ffffc90000378000
[   36.364011] ---[ end trace 5f53ab2dc00821fa ]---