[ 83.799683] sof-audio sof-audio: FW Poll Status: reg=0x1010303 successful [ 83.800764] sof-audio sof-audio: FW Poll Status: reg=0x303 successful [ 83.800775] sof-audio sof-audio: DSP core(s) enabled? 0 : core_mask 1 [ 83.800853] sof-audio sof-audio: FW Poll Status: reg=0x303 successful [ 83.800858] sof-audio sof-audio: FW Poll Status: reg=0x303 successful [ 83.800863] sof-audio sof-audio: DSP core(s) enabled? 0 : core_mask 1 [ 83.800877] sof-audio sof-audio: FW Poll Status: reg=0x303 successful [ 83.800882] sof-audio sof-audio: FW Poll Status: reg=0x303 successful [ 83.800886] sof-audio sof-audio: DSP core(s) enabled? 0 : core_mask 1 [ 83.800896] sof-audio sof-audio: FW Poll Status: reg=0x303 successful [ 83.800901] sof-audio sof-audio: FW Poll Status: reg=0x303 successful [ 83.800906] sof-audio sof-audio: DSP core(s) enabled? 0 : core_mask 1 [ 83.802536] sof-audio sof-audio: pcm: trigger stream 0 dir 0 cmd 0 [ 83.802570] sof-audio sof-audio: ipc tx: 0x60050000: GLB_STREAM_MSG: TRIG_STOP [ 84.103668] sof-audio sof-audio: error: ipc timed out for 0x60050000 size 0xc [ 84.103686] sof-audio sof-audio: unknown ROM status value ffffffff [ 84.103825] sof-audio sof-audio: error: unexpected fault 0xffffffff trace 0xffffffff [ 84.103830] sof-audio sof-audio: error: waking up any trace sleepers [ 84.103851] Port5: ASoC: trigger FE failed -110 [ 84.103869] sof-audio sof-audio: pcm: free stream 0 dir 0 [ 84.103892] sof-audio sof-audio: ipc tx: 0x60030000: GLB_STREAM_MSG: PCM_FREE [ 84.407638] sof-audio sof-audio: error: ipc timed out for 0x60030000 size 0xc [ 84.407658] sof-audio sof-audio: unknown ROM status value ffffffff [ 84.407800] sof-audio sof-audio: error: unexpected fault 0xffffffff trace 0xffffffff [ 84.407807] sof-audio sof-audio: error: waking up any trace sleepers [ 84.407849] BUG: unable to handle kernel NULL pointer dereference at 0000000000000088 [ 84.407855] PGD 161eda067 P4D 161eda067 PUD 161f20067 PMD 0 [ 84.407867] Oops: 0000 [#1] SMP NOPTI [ 84.407877] CPU: 2 PID: 3205 Comm: alsa-sink-Port5 Not tainted 4.20.0+ #17 [ 84.407882] Hardware name: AAEON UP-APL01/UP-APL01, BIOS UPA1AM36 04/10/2018 [ 84.407902] RIP: 0010:soc_pcm_hw_free+0x17d/0x1b0 [snd_soc_core] [ 84.407909] Code: 48 8b 80 88 00 00 00 48 8b 80 80 00 00 00 48 85 c0 74 08 4c 89 e7 e8 a2 81 de ec 83 c5 01 39 ab 38 06 00 00 77 c3 49 8b 45 18 <48> 8b 80 88 00 00 00 48 8b 80 80 00 00 00 48 85 c0 74 0b 4c 89 ee [ 84.407914] RSP: 0018:ffffad9e80b97e00 EFLAGS: 00010246 [ 84.407920] RAX: 0000000000000000 RBX: ffffa0c9204fe800 RCX: 0000000000000000 [ 84.407925] RDX: ffffa0c91c2a36d0 RSI: ffffa0c93a84a500 RDI: ffffa0c91c2a3600 [ 84.407930] RBP: 0000000000000001 R08: ffffffffad40bf20 R09: 0000000000000000 [ 84.407935] R10: ffffad9e80b97c00 R11: 0000000000000000 R12: ffffa0c91c2a3600 [ 84.407940] R13: ffffa0c9049fec00 R14: ffffa0c9204fe818 R15: 0000000000000000 [ 84.407946] FS: 00007f55c96d3700(0000) GS:ffffa0c93bb00000(0000) knlGS:0000000000000000 [ 84.407952] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.407956] CR2: 0000000000000088 CR3: 0000000161f1e000 CR4: 00000000003406e0 [ 84.407960] Call Trace: [ 84.407982] dpcm_fe_dai_hw_free+0x6c/0xe0 [snd_soc_core] [ 84.407997] snd_pcm_release_substream.part.50+0x3f/0xa0 [snd_pcm] [ 84.408008] snd_pcm_release+0x9b/0xb0 [snd_pcm] [ 84.408019] __fput+0xd5/0x1d0 [ 84.408030] task_work_run+0x79/0xa0 [ 84.408040] exit_to_usermode_loop+0x91/0xa0 [ 84.408047] do_syscall_64+0xdb/0xf0 [ 84.408057] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 84.408065] RIP: 0033:0x7f55cd557747 [ 84.408072] Code: 2c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb 95 48 8b 15 44 27 2c 00 f7 d8 64 89 02 e9 63 ff ff ff 66 90 b8 0b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 21 27 2c 00 f7 d8 64 89 01 48 [ 84.408077] RSP: 002b:00007f55c96d2b78 EFLAGS: 00000206 ORIG_RAX: 000000000000000b [ 84.408083] RAX: 0000000000000000 RBX: 0000000001894710 RCX: 00007f55cd557747 [ 84.408088] RDX: 0000000000000010 RSI: 0000000000001000 RDI: 00007f55cf12f000 [ 84.408092] RBP: 0000000001894710 R08: 00007f55c4002990 R09: 00000000ffffffed [ 84.408097] R10: 0000000000000008 R11: 0000000000000206 R12: 0000000001894710 [ 84.408102] R13: 0000000000000000 R14: 0000000000000000 R15: 000000000000000b [ 84.408111] Modules linked in: snd_soc_sst_bxt_pcm512x sof_pci_dev(-) snd_sof_intel_hda_common sof_acpi_dev snd_sof_intel_byt snd_sof_nocodec snd_sof_intel_bdw snd_sof_xtensa_dsp snd_sof_intel_hsw snd_sof snd_soc_acpi_intel_match snd_soc_acpi snd_soc_pcm512x_i2c snd_soc_pcm512x snd_soc_da7213 snd_soc_rt5640 snd_soc_rt5651 snd_soc_rt5645 snd_soc_rt5670 snd_soc_rl6231 snd_soc_hdac_hdmi snd_soc_dmic x86_pkg_temp_thermal snd_soc_hdac_hda snd_sof_intel_hda snd_hda_ext_core snd_soc_wm8804_i2c snd_hda_codec snd_soc_wm8804 snd_hwdep snd_hda_core snd_soc_core intel_lpss_pci intel_lpss mfd_core snd_pcm efivarfs mmc_block xhci_pci sdhci_pci cqhci sdhci xhci_hcd [last unloaded: snd_soc_acpi] [ 84.408174] CR2: 0000000000000088 [ 84.408182] ---[ end trace 1234660bb2739270 ]--- [ 84.408196] RIP: 0010:soc_pcm_hw_free+0x17d/0x1b0 [snd_soc_core] [ 84.408202] Code: 48 8b 80 88 00 00 00 48 8b 80 80 00 00 00 48 85 c0 74 08 4c 89 e7 e8 a2 81 de ec 83 c5 01 39 ab 38 06 00 00 77 c3 49 8b 45 18 <48> 8b 80 88 00 00 00 48 8b 80 80 00 00 00 48 85 c0 74 0b 4c 89 ee [ 84.408207] RSP: 0018:ffffad9e80b97e00 EFLAGS: 00010246 [ 84.408212] RAX: 0000000000000000 RBX: ffffa0c9204fe800 RCX: 0000000000000000 [ 84.408217] RDX: ffffa0c91c2a36d0 RSI: ffffa0c93a84a500 RDI: ffffa0c91c2a3600 [ 84.408222] RBP: 0000000000000001 R08: ffffffffad40bf20 R09: 0000000000000000 [ 84.408226] R10: ffffad9e80b97c00 R11: 0000000000000000 R12: ffffa0c91c2a3600 [ 84.408231] R13: ffffa0c9049fec00 R14: ffffa0c9204fe818 R15: 0000000000000000 [ 84.408237] FS: 00007f55c96d3700(0000) GS:ffffa0c93bb00000(0000) knlGS:0000000000000000 [ 84.408242] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.408247] CR2: 0000000000000088 CR3: 0000000161f1e000 CR4: 00000000003406e0