[Bug 240464] audio problem - pcm2: chn_write(): play interrupt timeout, channel dead

Tue Sep 10 03:42:55 UTC 2019

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=240464

            Bug ID: 240464
           Summary: audio problem -  pcm2: chn_write(): play interrupt
                    timeout, channel dead
           Product: Base System
           Version: CURRENT
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: misc
          Assignee: bugs at FreeBSD.org
          Reporter: andy at neu.net

FreeBSD Free_BSD_13 13.0-CURRENT FreeBSD 13.0-CURRENT #115 r352114: Mon Sep  9
22:42:31 EDT 2019    
root at Free_BSD_13:/usr/obj/usr/src/amd64.amd64/sys/MYKERNEL  amd64 1300047

dmesg | grep pcm
pcm0: <NVIDIA (0x0051) (HDMI/DP 8ch)> at nid 4 on hdaa0
pcm1: <NVIDIA (0x0051) (HDMI/DP 8ch)> at nid 5 on hdaa0
pcm2: <Realtek ALC892 (Rear Analog 7.1/2.0)> at nid 20,22,21,23 and 24,26 on
hdaa1
pcm3: <Realtek ALC892 (Front Analog)> at nid 27 and 25 on hdaa1

# dmesg | grep hdac
hdac0: <NVIDIA (0x0e0f) HDA Controller> mem 0xf7080000-0xf7083fff irq 33 at
device 0.1 on pci6
hdac1: <AMD (0x1457) HDA Controller> mem 0xf7800000-0xf7807fff irq 43 at device
0.3 on pci8
hdacc0: <NVIDIA (0x0051) HDA CODEC> at cad 0 on hdac0
hdaa0: <NVIDIA (0x0051) Audio Function Group> at nid 1 on hdacc0
hdacc1: <Realtek ALC892 HDA CODEC> at cad 0 on hdac1
hdaa1: <Realtek ALC892 Audio Function Group> at nid 1 on hdacc1

Log file:
Sep  9 22:16:50 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp0:
play interrupt timeout, channel dead
Sep  9 22:17:33 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp1:
play interrupt timeout, channel dead
Sep  9 22:17:33 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp2:
play interrupt timeout, channel dead
Sep  9 22:17:33 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp3:
play interrupt timeout, channel dead
Sep  9 22:17:50 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp1:
play interrupt timeout, channel dead
Sep  9 22:17:50 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp2:
play interrupt timeout, channel dead
Sep  9 22:17:50 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp3:
play interrupt timeout, channel dead
Sep  9 22:17:50 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp4:
play interrupt timeout, channel dead
Sep  9 22:17:50 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp5:
play interrupt timeout, channel dead
Sep  9 22:17:50 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp6:
play interrupt timeout, channel dead
Sep  9 22:17:50 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp7:
play interrupt timeout, channel dead
Sep  9 22:17:50 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp8:
play interrupt timeout, channel dead
Sep  9 22:17:50 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp9:
play interrupt timeout, channel dead
Sep  9 22:17:50 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp10:
play interrupt timeout, channel dead
Sep  9 22:17:50 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp11:
play interrupt timeout, channel dead
Sep  9 22:17:50 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp12:
play interrupt timeout, channel dead
Sep  9 22:17:50 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp13:
play interrupt timeout, channel dead
Sep  9 22:17:50 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp14:
play interrupt timeout, channel dead
Sep  9 22:17:50 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp1:
play interrupt timeout, channel dead
Sep  9 22:17:50 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp2:
play interrupt timeout, channel dead
Sep  9 22:17:50 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp3:
play interrupt timeout, channel dead
Sep  9 22:18:02 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp1:
play interrupt timeout, channel dead
Sep  9 22:18:02 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp2:
play interrupt timeout, channel dead
Sep  9 22:18:02 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp3:
play interrupt timeout, channel dead
Sep  9 22:18:02 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp4:
play interrupt timeout, channel dead
Sep  9 22:18:02 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp5:
play interrupt timeout, channel dead
Sep  9 22:18:02 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp6:
play interrupt timeout, channel dead
Sep  9 22:18:02 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp7:
play interrupt timeout, channel dead
Sep  9 22:18:02 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp8:
play interrupt timeout, channel dead
Sep  9 22:18:02 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp9:
play interrupt timeout, channel dead
Sep  9 22:18:02 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp10:
play interrupt timeout, channel dead
Sep  9 22:18:02 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp11:
play interrupt timeout, channel dead
Sep  9 22:18:02 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp12:
play interrupt timeout, channel dead
Sep  9 22:18:02 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp13:
play interrupt timeout, channel dead
Sep  9 22:18:02 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp14:
play interrupt timeout, channel dead
Sep  9 22:18:14 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp1:
play interrupt timeout, channel dead
Sep  9 22:18:14 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp2:
play interrupt timeout, channel dead
Sep  9 22:18:14 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp3:
play interrupt timeout, channel dead
Sep  9 22:18:14 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp4:
play interrupt timeout, channel dead
Sep  9 22:18:14 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp5:
play interrupt timeout, channel dead
Sep  9 22:18:14 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp6:
play interrupt timeout, channel dead
Sep  9 22:18:14 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp7:
play interrupt timeout, channel dead
Sep  9 22:18:14 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp8:
play interrupt timeout, channel dead
Sep  9 22:18:14 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp9:
play interrupt timeout, channel dead
Sep  9 22:18:14 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp10:
play interrupt timeout, channel dead
Sep  9 22:18:14 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp11:
play interrupt timeout, channel dead
Sep  9 22:18:14 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp12:
play interrupt timeout, channel dead
Sep  9 22:18:14 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp13:
play interrupt timeout, channel dead
Sep  9 22:18:14 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp14:
play interrupt timeout, channel dead
Sep  9 22:18:14 Free_BSD_13 kernel: pcm2: chn_write(): pcm2:virtual:dsp2.vp15:
play interrupt timeout, channel dead
Sep  9 22:18:14 Free_BSD_13 kernel: feeder_init(0xfffff80006928b00) on
feeder_matrix returned 22
Sep  9 22:18:14 Free_BSD_13 kernel: pcm0: feeder_build_matrix(): can't add
feeder_matrix
Sep  9 22:18:14 Free_BSD_13 kernel: feeder_init(0xfffff80006928980) on
feeder_matrix returned 22
Sep  9 22:18:14 Free_BSD_13 kernel: pcm1: feeder_build_matrix(): can't add
feeder_matrix

Installed devices:
pcm0: <NVIDIA (0x0051) (HDMI/DP 8ch)> (play)
pcm1: <NVIDIA (0x0051) (HDMI/DP 8ch)> (play)
pcm2: <Realtek ALC892 (Rear Analog 7.1/2.0)> (play/rec) default
pcm3: <Realtek ALC892 (Front Analog)> (play/rec)
No devices installed from userspace.

Audio stops and requires reboot/restart to recover sound.

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