[   19.024502] sof-audio-acpi 80860F28:00: ACPI DSP detected
[   19.024580] sof-audio-acpi 80860F28:00: IOSF_MBI not enabled - cant determine CPU variant
[   19.024816] sof-audio-acpi 80860F28:00: created machine byt-rt5640
[   19.025620] sof-audio sof-audio: probing SOF DSP device....
[   19.025622] sof-audio sof-audio: using platform alias baytrail-pcm-audio
[   19.025624] sof-audio sof-audio: LPE PHY base at 0xf1400000 size 0x200000
[   19.025634] sof-audio sof-audio: LPE VADDR 00000000566e1652
[   19.025635] sof-audio sof-audio: IMR not set by BIOS. Ignoring
[   19.025638] sof-audio sof-audio: using IRQ 10
[   19.025888] sof-audio sof-audio: loading firmware
[   19.025890] sof-audio sof-audio: header size=0x11005 modules=0x1 abi=0x1 size=16
[   19.025950] sof-audio sof-audio: new module size 0x10ff9 blocks 0xe type 0x0
[   19.025951] sof-audio sof-audio: block 0 type 0x1 size 0x160 ==>  offset 0xc0000
[   19.025962] sof-audio sof-audio: block 1 type 0x1 size 0x16a ==>  offset 0xc0400
[   19.025963] sof-audio sof-audio: block 2 type 0x1 size 0x6 ==>  offset 0xc057c
[   19.025963] sof-audio sof-audio: block 3 type 0x1 size 0x6 ==>  offset 0xc059c
[   19.025964] sof-audio sof-audio: block 4 type 0x1 size 0x6 ==>  offset 0xc05bc
[   19.025965] sof-audio sof-audio: block 5 type 0x1 size 0x6 ==>  offset 0xc05dc
[   19.025966] sof-audio sof-audio: block 6 type 0x1 size 0x3 ==>  offset 0xc061c
[   19.025966] sof-audio sof-audio: block 7 type 0x1 size 0x6 ==>  offset 0xc063c
[   19.025967] sof-audio sof-audio: block 8 type 0x1 size 0x4 ==>  offset 0xc0658
[   19.025968] sof-audio sof-audio: block 9 type 0x1 size 0x17 ==>  offset 0xc065c
[   19.025969] sof-audio sof-audio: block 10 type 0x1 size 0x6 ==>  offset 0xc067c
[   19.025970] sof-audio sof-audio: block 11 type 0x1 size 0xe48d ==>  offset 0xc06a0
[   19.025997] sof-audio sof-audio: block 12 type 0x2 size 0x1c28 ==>  offset 0x100008
[   19.026003] sof-audio sof-audio: block 13 type 0x2 size 0xb90 ==>  offset 0x101c30
[   19.026006] sof-audio sof-audio: booting DSP firmware
[   19.031817] sof-audio sof-audio: ipc: DSP is ready 0x70000000 offset 0x144000
[   19.031868] sof-audio sof-audio:  mailbox DSP initiated 0x0 - size 0x0
[   19.031868] sof-audio sof-audio:  mailbox Host initiated 0x0 - size 0x0
[   19.031870] sof-audio sof-audio:  Firmware info: version 1:1-19e48 build 67 on Mar 16 2018:22:23:16
[   19.032484] sof-audio sof-audio: firmware boot complete
[   19.032509] sof-audio sof-audio: generating page table for 0000000037e274d3 size 0x10000 pages 16
[   19.032510] sof-audio sof-audio: pfn i 0 idx 0 pfn 7a110
[   19.032511] sof-audio sof-audio: pfn i 1 idx 2 pfn 7a111
[   19.032512] sof-audio sof-audio: pfn i 2 idx 5 pfn 7a112
[   19.032512] sof-audio sof-audio: pfn i 3 idx 7 pfn 7a113
[   19.032513] sof-audio sof-audio: pfn i 4 idx 10 pfn 7a114
[   19.032514] sof-audio sof-audio: pfn i 5 idx 12 pfn 7a115
[   19.032515] sof-audio sof-audio: pfn i 6 idx 15 pfn 7a116
[   19.032515] sof-audio sof-audio: pfn i 7 idx 17 pfn 7a117
[   19.032516] sof-audio sof-audio: pfn i 8 idx 20 pfn 7a118
[   19.032517] sof-audio sof-audio: pfn i 9 idx 22 pfn 7a119
[   19.032517] sof-audio sof-audio: pfn i 10 idx 25 pfn 7a11a
[   19.032518] sof-audio sof-audio: pfn i 11 idx 27 pfn 7a11b
[   19.032519] sof-audio sof-audio: pfn i 12 idx 30 pfn 7a11c
[   19.032520] sof-audio sof-audio: pfn i 13 idx 32 pfn 7a11d
[   19.032520] sof-audio sof-audio: pfn i 14 idx 35 pfn 7a11e
[   19.032521] sof-audio sof-audio: pfn i 15 idx 37 pfn 7a11f
[   19.336189] sof-audio sof-audio: error: ipc timed out for 0x90010000 size 0x18
[   19.336245] sof-audio sof-audio: shim 0x00 value 0x0000000000000002
[   19.336255] sof-audio sof-audio: shim 0x08 value 0x0000000000000000
[   19.336265] sof-audio sof-audio: shim 0x10 value 0x0000000000000000
[   19.336274] sof-audio sof-audio: shim 0x18 value 0x0000000000000000
[   19.336283] sof-audio sof-audio: shim 0x20 value 0x0000000000000002
[   19.336292] sof-audio sof-audio: shim 0x28 value 0x0000000000000000
[   19.336300] sof-audio sof-audio: shim 0x30 value 0x0000000000000002
[   19.336309] sof-audio sof-audio: shim 0x38 value 0x8000000090010000
[   19.336318] sof-audio sof-audio: shim 0x40 value 0x0dead00670028800
[   19.336326] sof-audio sof-audio: shim 0x48 value 0x0000000000000000
[   19.336335] sof-audio sof-audio: shim 0x50 value 0x0000000000000000
[   19.336344] sof-audio sof-audio: shim 0x58 value 0x0000000000000000
[   19.336352] sof-audio sof-audio: shim 0x60 value 0x0000000000000000
[   19.336361] sof-audio sof-audio: shim 0x68 value 0x0000000000000000
[   19.336369] sof-audio sof-audio: shim 0x70 value 0x000000c500000000
[   19.336378] sof-audio sof-audio: shim 0x78 value 0x0000000000000010
[   19.336387] sof-audio sof-audio: shim 0x80 value 0x0000000000000000
[   19.336395] sof-audio sof-audio: shim 0x88 value 0x0000000000000000
[   19.336404] sof-audio sof-audio: shim 0x90 value 0x0000000000000000
[   19.336412] sof-audio sof-audio: shim 0x98 value 0x0000000000000000
[   19.336421] sof-audio sof-audio: shim 0xa0 value 0x0000000000000000
[   19.336429] sof-audio sof-audio: shim 0xa8 value 0x0000000000000000
[   19.336438] sof-audio sof-audio: shim 0xb0 value 0x0000000000000000
[   19.336446] sof-audio sof-audio: shim 0xb8 value 0x0000000000000000
[   19.336455] sof-audio sof-audio: shim 0xc0 value 0x8000000000d9757c
[   19.336464] sof-audio sof-audio: shim 0xc8 value 0x0000000000002bde
[   19.336472] sof-audio sof-audio: shim 0xd0 value 0x0000000000000000
[   19.336481] sof-audio sof-audio: shim 0xd8 value 0x0000000000000000
[   19.336489] sof-audio sof-audio: shim 0xe0 value 0x0000000000000000
[   19.336498] sof-audio sof-audio: shim 0xe8 value 0x0000000000000000
[   19.336506] sof-audio sof-audio: shim 0xf0 value 0x0000000000000000
[   19.336515] sof-audio sof-audio: shim 0xf8 value 0x0000000000000000
[   19.336524] sof-audio sof-audio: mbox: 0x00 value 0x70000000
[   19.336531] sof-audio sof-audio: mbox: 0x04 value 0x0000003a
[   19.336538] sof-audio sof-audio: mbox: 0x08 value 0x00000000
[   19.336544] sof-audio sof-audio: mbox: 0x0c value 0x00000000
[   19.336551] sof-audio sof-audio: mbox: 0x10 value 0x00000000
[   19.336557] sof-audio sof-audio: mbox: 0x14 value 0x00000000
[   19.336564] sof-audio sof-audio: mbox: 0x18 value 0x00010001
[   19.336571] sof-audio sof-audio: mbox: 0x1c value 0x614d0043
[   19.336577] sof-audio sof-audio: mbox: 0x20 value 0x36312072
[   19.336584] sof-audio sof-audio: mbox: 0x24 value 0x31303220
[   19.336590] sof-audio sof-audio: mbox: 0x28 value 0x32320038
[   19.336597] sof-audio sof-audio: mbox: 0x2c value 0x3a33323a
[   19.336598] sof-audio sof-audio: error: waking up any trace sleepers
[   19.336603] BUG: unable to handle kernel NULL pointer dereference at           (null)
[   19.336607] IP: __wake_up_common+0x44/0x120
[   19.336608] PGD 800000007b841067 P4D 800000007b841067 PUD 7b83c067 PMD 0
[   19.336610] Oops: 0000 [#1] SMP PTI
[   19.336612] Modules linked in: sof_acpi_dev snd_sof_intel_byt
[   19.336615] CPU: 1 PID: 23 Comm: kworker/1:1 Not tainted 4.15.0-rc7+ #15
[   19.336616] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.11.0-0-g63451fca13-prebuilt.qemu-project.org 04/01/2014
[   19.336619] Workqueue: events request_firmware_work_func
[   19.336621] RIP: 0010:__wake_up_common+0x44/0x120
[   19.336622] RSP: 0000:ffffa5bc403bfae0 EFLAGS: 00010082
[   19.336623] RAX: 0000000000000000 RBX: ffffa181fa07a690 RCX: 0000000000000000
[   19.336624] RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffa181fa07a690
[   19.336625] RBP: ffffa5bc403bfb28 R08: ffffffffffffffe8 R09: ffffa5bc403bfb28
[   19.336625] R10: 0000000000000000 R11: ffffffffb08a97ad R12: ffffa181fa07a698
[   19.336626] R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000
[   19.336627] FS:  0000000000000000(0000) GS:ffffa181ffd00000(0000) knlGS:0000000000000000
[   19.336628] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.336631] CR2: 0000000000000000 CR3: 000000007b846000 CR4: 00000000000406e0
[   19.336632] Call Trace:
[   19.336644]  __wake_up_common_lock+0x67/0x90
[   19.336647]  sof_ipc_tx_message+0x30a/0x320
[   19.336649]  ? wait_woken+0x80/0x80
[   19.336651]  snd_sof_init_trace+0x154/0x220
[   19.336653]  ? dev_get_regmap+0x16/0x30
[   19.336655]  ? snd_soc_component_add_unlocked+0x79/0x90
[   19.336657]  sof_probe+0x1c6/0x2f0
[   19.336659]  platform_drv_probe+0x30/0x90
[   19.336662]  driver_probe_device+0x283/0x310
[   19.336664]  ? __driver_attach+0xa0/0xa0
[   19.336665]  bus_for_each_drv+0x50/0x80
[   19.336667]  __device_attach+0xb0/0x110
[   19.336669]  bus_probe_device+0x82/0x90
[   19.336670]  device_add+0x3d9/0x5d0
[   19.336673]  ? __kmalloc_track_caller+0x124/0x1a0
[   19.336674]  platform_device_add+0xf6/0x210
[   19.336675]  platform_device_register_full+0xeb/0x120
[   19.336678]  sof_acpi_fw_cb+0x59/0xa0 [sof_acpi_dev]
[   19.336679]  request_firmware_work_func+0x2c/0x60
[   19.336681]  process_one_work+0x143/0x3d0
[   19.336683]  worker_thread+0x42/0x410
[   19.336685]  kthread+0xf0/0x130
[   19.336686]  ? create_worker+0x170/0x170
[   19.336687]  ? kthread_destroy_worker+0x40/0x40
[   19.336689]  ? call_usermodehelper_exec_async+0x11c/0x120
[   19.336691]  ret_from_fork+0x1f/0x30
[   19.336692] Code: 24 04 89 54 24 0c 89 4c 24 08 74 0a 41 f6 01 04 0f 85 8f 00 00 00 48 8b 47 08 4c 8d 40 e8 4c 8d 67 08 49 8d 40 18 49 39 c4 74 67 <49> 8b 40 18 31 db 4c 8d 78 e8 eb 17 49 8b 47 18 49 8d 57 18 4d
[   19.336709] RIP: __wake_up_common+0x44/0x120 RSP: ffffa5bc403bfae0
[   19.336710] CR2: 0000000000000000
[   19.336712] ---[ end trace fc7511749bed6f79 ]---
[   19.336739] kworker/1:1 (23) used greatest stack depth: 13416 bytes left