当从挂起状态唤醒系统（触发systemctl suspend）时，我在黑屏上仅看到这些日志：
Dec 7 13:42:08 k kernel: [ 8000.162437] snd_hda_intel 0000:07:00.1: spurious response 0x0:0x0, last cmd=0x3f0900
Dec 7 13:42:08 k kernel: [ 8000.162438] snd_hda_intel 0000:07:00.1: spurious response 0x0:0x0, last cmd=0x3f0900
Dec 7 13:42:08 k kernel: [ 8000.162439] snd_hda_intel 0000:07:00.1: spurious response 0x0:0x0, last cmd=0x3f0900
Dec 7 13:42:08 k kernel: [ 8002.178403] snd_hda_intel 0000:07:00.1: azx_get_response timeout, switching to polling mode: last cmd=0x00170500
Dec 7 13:42:08 k kernel: [ 8003.182389] snd_hda_intel 0000:07:00.1: No response from codec, disabling MSI: last cmd=0x00170500
Dec 7 13:42:08 k kernel: [ 8004.186371] snd_hda_intel 0000:07:00.1: No response from codec, resetting bus: last cmd=0x00170500
当我按下 F2 时，所有内容都消失了，否则按键没有反应，Ctrl+Alt+F 不起作用
内核日志：
Dec 7 13:42:08 k kernel: [ 8000.162437] snd_hda_intel 0000:07:00.1: spurious response 0x0:0x0, last cmd=0x3f0900
Dec 7 13:42:08 k kernel: [ 8000.162438] snd_hda_intel 0000:07:00.1: spurious response 0x0:0x0, last cmd=0x3f0900
Dec 7 13:42:08 k kernel: [ 8000.162439] snd_hda_intel 0000:07:00.1: spurious response 0x0:0x0, last cmd=0x3f0900
Dec 7 13:42:08 k kernel: [ 8002.178403] snd_hda_intel 0000:07:00.1: azx_get_response timeout, switching to polling mode: last cmd=0x00170500
Dec 7 13:42:08 k kernel: [ 8003.182389] snd_hda_intel 0000:07:00.1: No response from codec, disabling MSI: last cmd=0x00170500
Dec 7 13:42:08 k kernel: [ 8004.186371] snd_hda_intel 0000:07:00.1: No response from codec, resetting bus: last cmd=0x00170500
Dec 7 13:42:08 k kernel: [ 8004.295182] OOM killer enabled.
Dec 7 13:42:08 k kernel: [ 8004.295183] Restarting tasks ... done.
Dec 7 13:42:08 k kernel: [ 8004.299894] PM: suspend exit
Dec 7 13:42:08 k kernel: [ 8004.381630] irq 77: nobody cared (try booting with the "irqpoll" option)
Dec 7 13:42:08 k kernel: [ 8004.381634] CPU: 6 PID: 4773 Comm: TabNine Not tainted 5.4.0-56-generic #62-Ubuntu
Dec 7 13:42:08 k kernel: [ 8004.381635] Hardware name: Gigabyte Technology Co., Ltd. B450 AORUS ELITE/B450 AORUS ELITE, BIOS F51 12/18/2019
Dec 7 13:42:08 k kernel: [ 8004.381635] Call Trace:
Dec 7 13:42:08 k kernel: [ 8004.381637] <IRQ>
Dec 7 13:42:08 k kernel: [ 8004.381641] dump_stack+0x6d/0x9a
Dec 7 13:42:08 k kernel: [ 8004.381643] __report_bad_irq+0x3a/0xaf
Dec 7 13:42:08 k kernel: [ 8004.381644] note_interrupt.cold+0xb/0x61
Dec 7 13:42:08 k kernel: [ 8004.381645] handle_irq_event_percpu+0x73/0x80
Dec 7 13:42:08 k kernel: [ 8004.381646] handle_irq_event+0x3b/0x5a
Dec 7 13:42:08 k kernel: [ 8004.381648] handle_fasteoi_irq+0x9c/0x150
Dec 7 13:42:08 k kernel: [ 8004.381649] do_IRQ+0x55/0xf0
Dec 7 13:42:08 k kernel: [ 8004.381651] common_interrupt+0xf/0xf
Dec 7 13:42:08 k kernel: [ 8004.381651] </IRQ>
Dec 7 13:42:08 k kernel: [ 8004.381652] RIP: 0033:0xf37eec
Dec 7 13:42:08 k kernel: [ 8004.381653] Code: b6 f6 40 f6 c7 07 75 1b eb 24 0f 1f 40 00 0f b6 07 39 f0 74 7c 48 83 c7 01 48 83 ea 01 40 f6 c7 07 74 0b 48 85 d2 75 e6 31 c0 <c3> 0f 1f 00 31 c0 48 85 d2 74 f5 0f b6 07 39 f0 74 55 48 b8 01 01
Dec 7 13:42:08 k kernel: [ 8004.381654] RSP: 002b:00007fbe7cfdbd58 EFLAGS: 00000246 ORIG_RAX: ffffffffffffffdd
Dec 7 13:42:08 k kernel: [ 8004.381655] RAX: 0000000000000000 RBX: 00007fbe789c2520 RCX: 0000000000000065
Dec 7 13:42:08 k kernel: [ 8004.381656] RDX: 0000000000000002 RSI: 0000000000000000 RDI: 00007fbe789c2532
Dec 7 13:42:08 k kernel: [ 8004.381656] RBP: 00007fbe761fbb10 R08: 0000000000000000 R09: 8080808080808080
Dec 7 13:42:08 k kernel: [ 8004.381657] R10: fefefefefefefeff R11: 0000000000000020 R12: 00007fbe7a01ba44
Dec 7 13:42:08 k kernel: [ 8004.381657] R13: 000000000000000a R14: 00007fbe7cfdbdf0 R15: 00007fbe7cfdbe50
Dec 7 13:42:08 k kernel: [ 8004.381658] handlers:
Dec 7 13:42:08 k kernel: [ 8004.381664] [<0000000094f8f086>] azx_interrupt [snd_hda_codec]
Dec 7 13:42:08 k kernel: [ 8004.381665] Disabling IRQ #77
Dec 7 13:42:08 k kernel: [ 8004.575153] rfkill: input handler disabled
Dec 7 13:42:08 k kernel: [ 8004.577916] Generic FE-GE Realtek PHY r8169-300:00: attached PHY driver [Generic FE-GE Realtek PHY] (mii_bus:phy_addr=r8169-300:00, irq=IGNORE)
Dec 7 13:42:08 k kernel: [ 8004.687073] r8169 0000:03:00.0 eno1: Link is Down
Dec 7 13:42:11 k kernel: [ 8007.735088] PM: suspend entry (deep)
Dec 7 14:49:44 k kernel: [ 0.000000] Linux version 5.4.0-56-generic (buildd@lgw01-amd64-025) (gcc version 9.3.0 (Ubuntu 9.3.0-17ubuntu1~20.04)) #62-Ubuntu SMP Mon Nov 23 19:20:19 UTC 2020 (Ubuntu 5.4.0-56.62-generic 5.4.73)
Dec 7 14:49:44 k kernel: [ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-5.4.0-56-generic root=UUID=eb14d39e-50e1-4f87-8c6b-6798ac8a4236 ro quiet splash vt.handoff=7
最近我尝试让蓝牙适配器与 HSP 耳机配合使用，但即使适配器已断开连接，这种情况也会发生，而且现在发生得更频繁了。今天 3 次。我在 Ubuntu 20.04 上。当挂起时间更长时，这种情况可能会更频繁。还有几次，当它正常唤醒时，我在桌面显示前只看到了一些日志，只持续了一小段时间。这是 snd_hda_intel 的问题吗？