This happens also to me with my M-Audio Fast Track Ultra (yes, I know it
is an old device but it has worked until now) after upgrading from
Ubuntu 19.10 to 20.04 LTS. (Did not have any issues with 19.10.) My
motherboard is Asus Prime X570-P AM4.
$ systemctl status --user pulseaudio.service
● pulseaudio.service - Sound Service
Loaded: loaded (/usr/lib/systemd/user/pulseaudio.service; enabled; vendor
preset: enabled)
Active: active (running) since Tue 2020-05-19 13:27:58 EEST; 17min ago
TriggeredBy: ● pulseaudio.socket
Main PID: 2209 (pulseaudio)
CGroup: /user.slice/user-1000.slice/[email protected]/pulseaudio.service
└─2209 /usr/bin/pulseaudio --daemonize=no --log-target=journal
May 19 13:27:54 [HOSTNAME MASKED] systemd[2202]: Starting Sound Service...
May 19 13:27:58 [HOSTNAME MASKED] systemd[2202]: Started Sound Service.
May 19 13:28:10 [HOSTNAME MASKED] pulseaudio[2209]: ALSA woke us up to write
new data to the device, but there was actually nothing to write.
May 19 13:28:10 [HOSTNAME MASKED] pulseaudio[2209]: Most likely this is a bug
in the ALSA driver 'snd_usb_audio'. Please report this issue to the ALSA
developers.
May 19 13:28:10 [HOSTNAME MASKED] pulseaudio[2209]: We were woken up with
POLLOUT set -- however a subsequent snd_pcm_avail() returned 0 or another value
< min_avail.
May 19 13:28:23 [HOSTNAME MASKED] pulseaudio[2209]: GetManagedObjects() failed:
org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes
include: the remote application did not send a reply, the message bus security
policy blocked the reply, the reply timeout expired, or the network connection
was broken.
May 19 13:29:27 [HOSTNAME MASKED] pulseaudio[2209]: Got POLLNVAL from ALSA
Excerpts from /var/log/syslog:
May 19 13:28:10 [HOSTNAME MASKED] pulseaudio[2209]: ALSA woke us up to write
new data to the device, but there was actually nothing to write.
May 19 13:28:10 [HOSTNAME MASKED] pulseaudio[2209]: Most likely this is a bug
in the ALSA driver 'snd_usb_audio'. Please report this issue to the ALSA
developers.
May 19 13:28:10 [HOSTNAME MASKED] pulseaudio[2209]: We were woken up with
POLLOUT set -- however a subsequent snd_pcm_avail() returned 0 or another value
< min_avail.
May 19 13:28:23 [HOSTNAME MASKED] pulseaudio[2209]: GetManagedObjects() failed:
org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes
include: the remote application did not send a reply, the message bus security
policy blocked the reply, the reply timeout expired, or the network connection
was broken.
May 19 13:29:27 [HOSTNAME MASKED] pulseaudio[2209]: Got POLLNVAL from ALSA
---- [Power off – power on cycle on M-Audio Fast Track Ultra] ----
May 19 13:29:27 [HOSTNAME MASKED] kernel: [ 194.584035] usb 3-3: USB
disconnect, device number 2
May 19 13:29:30 [HOSTNAME MASKED] kernel: [ 197.207250] usb 3-3: new
high-speed USB device number 5 using xhci_hcd
May 19 13:29:30 [HOSTNAME MASKED] kernel: [ 197.233340] usb 3-3: config 1
interface 3 altsetting 0 bulk endpoint 0x7 has invalid maxpacket 8
May 19 13:29:30 [HOSTNAME MASKED] kernel: [ 197.233343] usb 3-3: config 1
interface 3 altsetting 0 bulk endpoint 0x87 has invalid maxpacket 8
May 19 13:29:30 [HOSTNAME MASKED] kernel: [ 197.234455] usb 3-3: New USB
device found, idVendor=0763, idProduct=2080, bcdDevice= 1.51
May 19 13:29:30 [HOSTNAME MASKED] kernel: [ 197.234457] usb 3-3: New USB
device strings: Mfr=1, Product=2, SerialNumber=0
May 19 13:29:30 [HOSTNAME MASKED] kernel: [ 197.234458] usb 3-3: Product: Fast
Track Ultra
May 19 13:29:30 [HOSTNAME MASKED] kernel: [ 197.234459] usb 3-3: Manufacturer:
M-Audio
May 19 13:29:30 [HOSTNAME MASKED] mtp-probe: checking bus 3, device 5:
"/sys/devices/pci0000:00/0000:00:01.2/0000:02:00.0/0000:03:08.0/0000:05:00.3/usb3/3-3"
May 19 13:29:30 [HOSTNAME MASKED] mtp-probe: bus: 3, device: 5 was not an MTP
device
May 19 13:29:30 [HOSTNAME MASKED] systemd[2202]: Reached target Sound Card.
May 19 13:29:30 [HOSTNAME MASKED] systemd[1385]: Reached target Sound Card.
May 19 13:29:32 [HOSTNAME MASKED] kernel: [ 199.083958] usb 3-3: set quirks
for FTU Effect Feedback/Volume
May 19 13:29:32 [HOSTNAME MASKED] kernel: [ 199.098203] usb 3-3: set quirk for
FTU Effect Duration
May 19 13:29:32 [HOSTNAME MASKED] kernel: [ 199.099701] usb 3-3: set quirks
for FTU Effect Feedback/Volume
May 19 13:29:32 [HOSTNAME MASKED] mtp-probe: checking bus 3, device 5:
"/sys/devices/pci0000:00/0000:00:01.2/0000:02:00.0/0000:03:08.0/0000:05:00.3/usb3/3-3"
May 19 13:29:32 [HOSTNAME MASKED] mtp-probe: bus: 3, device: 5 was not an MTP
device
May 19 13:29:32 [HOSTNAME MASKED] kernel: [ 199.489446] usb 3-3: Unable to
change format on ep #81: already in use
May 19 13:29:32 [HOSTNAME MASKED] kernel: [ 199.490200] usb 3-3: Unable to
change format on ep #81: already in use
May 19 13:29:32 [HOSTNAME MASKED] kernel: [ 199.490973] usb 3-3: Unable to
change format on ep #81: already in use
May 19 13:29:32 [HOSTNAME MASKED] kernel: [ 199.491700] usb 3-3: Unable to
change format on ep #81: already in use
May 19 13:29:32 [HOSTNAME MASKED] kernel: [ 199.492448] usb 3-3: Unable to
change format on ep #81: already in use
May 19 13:29:32 [HOSTNAME MASKED] kernel: [ 199.494447] usb 3-3: Unable to
change format on ep #81: already in use
May 19 13:29:32 [HOSTNAME MASKED] kernel: [ 199.495193] usb 3-3: Unable to
change format on ep #81: already in use
May 19 13:29:32 [HOSTNAME MASKED] kernel: [ 199.495948] usb 3-3: Unable to
change format on ep #81: already in use
May 19 13:29:32 [HOSTNAME MASKED] kernel: [ 199.496819] usb 3-3: Unable to
change format on ep #81: already in use
May 19 13:29:32 [HOSTNAME MASKED] kernel: [ 199.497694] usb 3-3: Unable to
change format on ep #81: already in use
May 19 13:29:32 [HOSTNAME MASKED] kernel: [ 199.499701] usb 3-3: Unable to
change format on ep #81: already in use
May 19 13:29:32 [HOSTNAME MASKED] kernel: [ 199.500447] usb 3-3: Unable to
change format on ep #81: already in use
May 19 13:29:32 [HOSTNAME MASKED] kernel: [ 199.501194] usb 3-3: Unable to
change format on ep #81: already in use
May 19 13:29:32 [HOSTNAME MASKED] kernel: [ 199.502074] usb 3-3: Unable to
change format on ep #81: already in use
May 19 13:29:32 [HOSTNAME MASKED] kernel: [ 199.502945] usb 3-3: Unable to
change format on ep #81: already in use
May 19 13:29:32 [HOSTNAME MASKED] kernel: [ 199.505070] usb 3-3: Unable to
change format on ep #81: already in use
May 19 13:29:32 [HOSTNAME MASKED] kernel: [ 199.505944] usb 3-3: Unable to
change format on ep #81: already in use
May 19 13:29:32 [HOSTNAME MASKED] kernel: [ 199.506698] usb 3-3: Unable to
change format on ep #81: already in use
May 19 13:29:32 [HOSTNAME MASKED] kernel: [ 199.507571] usb 3-3: Unable to
change format on ep #81: already in use
May 19 13:29:32 [HOSTNAME MASKED] kernel: [ 199.508449] usb 3-3: Unable to
change format on ep #81: already in use
$ cat /etc/os-release
NAME="Ubuntu"
VERSION="20.04 LTS (Focal Fossa)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 20.04 LTS"
VERSION_ID="20.04"
HOME_URL="https://www.ubuntu.com/";
SUPPORT_URL="https://help.ubuntu.com/";
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/";
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy";
VERSION_CODENAME=focal
UBUNTU_CODENAME=focal
$ uname -a
Linux [HOSTNAME MASKED] 5.4.0-31-generic #35-Ubuntu SMP Thu May 7 20:20:34 UTC
2020 x86_64 x86_64 x86_64 GNU/Linux
$ apt-cache policy pulseaudio alsa-base alsa-utils
pulseaudio:
Installed: 1:13.99.1-1ubuntu3.2
Candidate: 1:13.99.1-1ubuntu3.2
Version table:
*** 1:13.99.1-1ubuntu3.2 500
500 http://fi.archive.ubuntu.com/ubuntu focal-updates/main amd64
Packages
500 http://security.ubuntu.com/ubuntu focal-security/main amd64 Packages
100 /var/lib/dpkg/status
1:13.99.1-1ubuntu3 500
500 http://fi.archive.ubuntu.com/ubuntu focal/main amd64 Packages
alsa-base:
Installed: 1.0.25+dfsg-0ubuntu5
Candidate: 1.0.25+dfsg-0ubuntu5
Version table:
*** 1.0.25+dfsg-0ubuntu5 500
500 http://fi.archive.ubuntu.com/ubuntu focal/main amd64 Packages
500 http://fi.archive.ubuntu.com/ubuntu focal/main i386 Packages
100 /var/lib/dpkg/status
alsa-utils:
Installed: 1.2.2-1ubuntu1
Candidate: 1.2.2-1ubuntu1
Version table:
*** 1.2.2-1ubuntu1 500
500 http://fi.archive.ubuntu.com/ubuntu focal/main amd64 Packages
100 /var/lib/dpkg/status
$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: NVidia [HDA NVidia], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: NVidia [HDA NVidia], device 7: HDMI 1 [HDMI 1]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: NVidia [HDA NVidia], device 8: HDMI 2 [HDMI 2]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: Ultra [Fast Track Ultra], device 0: USB Audio [USB Audio]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 2: Generic [HD-Audio Generic], device 0: ALCS1200A Analog [ALCS1200A
Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 2: Generic [HD-Audio Generic], device 1: ALCS1200A Digital [ALCS1200A
Digital]
Subdevices: 1/1
Subdevice #0: subdevice #0
--
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1873641
Title:
pulseaudio says: ALSA woke us up to write new data to the device, but
there was actually nothing to write.
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