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 ]---
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 pci0000: 00/0000: 00:02.0/ 0000:02: 00.1/sound/ card0/input6 f63>] azx_create+ 0x37c/0x822 [snd_hda_intel] ffffffffa0345f6 3>] [<ffffffffa0345 f63>] azx_create+ 0x37c/0x822 [snd_hda_intel] 56de00 EFLAGS: 00010286 0(0000) GS:ffff88007fc0 0000(0000) knlGS:000000000 0000000 36d>] ? snd_card_ create+ 0x1ad/0x3a0 [snd] 6cf>] azx_probe+ 0xab/0x25e [snd_hda_intel] a2c>] local_pci_ probe+0x5c/ 0xd0 400>] ? wake_up_ worker+ 0x30/0x30 418>] do_work_ for_cpu+ 0x18/0x30 58c>] kthread+0x8c/0xa0 3f4>] kernel_ thread_ helper+ 0x4/0x10 500>] ? flush_kthread_ worker+ 0xa0/0xa0 3f0>] ? gs_change+0x13/0x13 f63>] azx_create+ 0x37c/0x822 [snd_hda_intel]
[ 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/
[ 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: [<ffffffffa0345
[ 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:[<
[ 36.362782] RSP: 0018:ffff880077
[ 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: 00007f362b42b70
[ 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] [<ffffffffa02e8
[ 36.364011] [<ffffffffa0346
[ 36.364011] [<ffffffff81334
[ 36.364011] [<ffffffff81082
[ 36.364011] [<ffffffff81082
[ 36.364011] [<ffffffff8108a
[ 36.364011] [<ffffffff81664
[ 36.364011] [<ffffffff8108a
[ 36.364011] [<ffffffff81664
[ 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 [<ffffffffa0345
[ 36.364011] RSP <ffff88007756de00>
[ 36.364011] CR2: ffffc90000378000
[ 36.364011] ---[ end trace 5f53ab2dc00821fa ]---