apport information
** Attachment added: "ProcEnviron.txt"
https://bugs.launchpad.net/bugs/1817912/+attachment/5242072/+files/ProcEnviron.txt
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
** Changed in: alsa-utils (Ubuntu)
Status: New => Confirmed
** Changed in: alsa-driver (Ubuntu)
Status: New => Confirmed
** Description changed:
- An old issue with ALSA is still present in Ubuntu 16.04.5.
+ An old issue with ALSA is still present in Ubuntu 16.04.6.
The system became extraordinarily slow and hangs at total in around a minute
while playing a music (around a few hours in my case).
[15:38:51]
[root@ThinkPad/var/log]#grep "alsa-sink-CX20751/2 Analog" syslog
Feb 27 14:58:50 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: Function snd_pcm_avail() returns a value that is extraordinarily
large: 370196 bytes (2098 мс).
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: Most likely this is a bug in the ALSA driver «snd_hda_intel».
Please report this issue to the ALSA developers.
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: snd_pcm_dump():
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: Soft volume PCM
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: Control: PCM Playback Volume
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: min_dB: -51
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: max_dB: 0
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: resolution: 256
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: Its setup is:
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: stream : PLAYBACK
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: access : MMAP_INTERLEAVED
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: format : S16_LE
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: subformat : STD
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: channels : 2
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: rate : 44100
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: exact rate : 44100 (44100/1)
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: msbits : 16
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: buffer_size : 16384
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: period_size : 8192
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: period_time : 185759
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: tstamp_mode : ENABLE
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: tstamp_type : MONOTONIC
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: period_step : 1
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: avail_min : 15680
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: period_event : 0
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: start_threshold : -1
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: stop_threshold : 4611686018427387904
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: silence_threshold: 0
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: silence_size : 0
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: boundary : 4611686018427387904
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: Slave: Hardware PCM card 1 'HDA Intel PCH' device 0 subdevice 0
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: Its setup is:
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: stream : PLAYBACK
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: access : MMAP_INTERLEAVED
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: format : S16_LE
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: subformat : STD
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: channels : 2
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: rate : 44100
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: exact rate : 44100 (44100/1)
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: msbits : 16
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: buffer_size : 16384
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: period_size : 8192
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: period_time : 185759
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: tstamp_mode : ENABLE
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: tstamp_type : MONOTONIC
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: period_step : 1
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: avail_min : 15680
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: period_event : 0
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: start_threshold : -1
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: stop_threshold : 4611686018427387904
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: silence_threshold: 0
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: silence_size : 0
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: boundary : 4611686018427387904
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: appl_ptr : 709483539
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: hw_ptr : 709559704
[15:39:03]
[root@ThinkPad/var/log]#uname -a
Linux ThinkPad 4.15.0-45-generic #48~16.04.1-Ubuntu SMP Tue Jan 29 18:03:48
UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
[15:40:01]
[root@ThinkPad/var/log]#cat /proc/asound/version
Advanced Linux Sound Architecture Driver Version k4.15.0-45-generic.
- ---
+ ---
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: amd64
AudioDevicesInUse:
- USER PID ACCESS COMMAND
- /dev/snd/controlC1: vitalii 21570 F.... pulseaudio
- /dev/snd/controlC0: vitalii 21570 F.... pulseaudio
+ USER PID ACCESS COMMAND
+ /dev/snd/controlC1: vitalii 21570 F.... pulseaudio
+ /dev/snd/controlC0: vitalii 21570 F.... pulseaudio
DistroRelease: Ubuntu 16.04
InstallationDate: Installed on 2018-08-14 (197 days ago)
InstallationMedia: Ubuntu 16.04.5 LTS "Xenial Xerus" - Release amd64
(20180731)
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
Package: linux
PackageArchitecture: amd64
ProcVersionSignature: Ubuntu 4.15.0-45.48~16.04.1-generic 4.15.18
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
Tags: xenial xenial
Uname: Linux 4.15.0-45-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:
-
+
_MarkForUpload: True
dmi.bios.date: 11/27/2013
dmi.bios.vendor: LENOVO
dmi.bios.version: J9ET37WW (1.16 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20C6A03200
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvrJ9ET37WW(1.16):bd11/27/2013:svnLENOVO:pn20C6A03200:pvrThinkPadEdgeE540:rvnLENOVO:rn20C6A03200:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.family: ThinkPad Edge E540
dmi.product.name: 20C6A03200
dmi.product.version: ThinkPad Edge E540
dmi.sys.vendor: LENOVO
--
You received this bug notification because you are a member of Ubuntu
Studio Bugs, which is subscribed to alsa-utils in Ubuntu.
Matching subscriptions: Ubuntu Studio Bugs
https://bugs.launchpad.net/bugs/1817912
Title:
alsa-util.c: Function snd_pcm_avail() returns a value that is
extraordinarily large: 370196 bytes (2098 мс).
Status in alsa-driver package in Ubuntu:
Confirmed
Status in alsa-utils package in Ubuntu:
Confirmed
Status in linux package in Ubuntu:
Confirmed
Bug description:
An old issue with ALSA is still present in Ubuntu 16.04.6.
The system became extraordinarily slow and hangs at total in around a minute
while playing a music (around a few hours in my case).
[15:38:51]
[root@ThinkPad/var/log]#grep "alsa-sink-CX20751/2 Analog" syslog
Feb 27 14:58:50 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: Function snd_pcm_avail() returns a value that is extraordinarily
large: 370196 bytes (2098 мс).
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: Most likely this is a bug in the ALSA driver «snd_hda_intel».
Please report this issue to the ALSA developers.
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: snd_pcm_dump():
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: Soft volume PCM
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: Control: PCM Playback Volume
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: min_dB: -51
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: max_dB: 0
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: resolution: 256
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: Its setup is:
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: stream : PLAYBACK
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: access : MMAP_INTERLEAVED
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: format : S16_LE
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: subformat : STD
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: channels : 2
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: rate : 44100
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: exact rate : 44100 (44100/1)
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: msbits : 16
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: buffer_size : 16384
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: period_size : 8192
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: period_time : 185759
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: tstamp_mode : ENABLE
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: tstamp_type : MONOTONIC
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: period_step : 1
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: avail_min : 15680
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: period_event : 0
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: start_threshold : -1
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: stop_threshold : 4611686018427387904
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: silence_threshold: 0
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: silence_size : 0
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: boundary : 4611686018427387904
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: Slave: Hardware PCM card 1 'HDA Intel PCH' device 0 subdevice 0
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: Its setup is:
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: stream : PLAYBACK
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: access : MMAP_INTERLEAVED
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: format : S16_LE
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: subformat : STD
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: channels : 2
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: rate : 44100
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: exact rate : 44100 (44100/1)
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: msbits : 16
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: buffer_size : 16384
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: period_size : 8192
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: period_time : 185759
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: tstamp_mode : ENABLE
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: tstamp_type : MONOTONIC
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: period_step : 1
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: avail_min : 15680
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: period_event : 0
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: start_threshold : -1
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: stop_threshold : 4611686018427387904
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: silence_threshold: 0
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: silence_size : 0
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: boundary : 4611686018427387904
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: appl_ptr : 709483539
Feb 27 14:58:51 ThinkPad pulseaudio[9613]: [alsa-sink-CX20751/2 Analog]
alsa-util.c: hw_ptr : 709559704
[15:39:03]
[root@ThinkPad/var/log]#uname -a
Linux ThinkPad 4.15.0-45-generic #48~16.04.1-Ubuntu SMP Tue Jan 29 18:03:48
UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
[15:40:01]
[root@ThinkPad/var/log]#cat /proc/asound/version
Advanced Linux Sound Architecture Driver Version k4.15.0-45-generic.
---
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: vitalii 21570 F.... pulseaudio
/dev/snd/controlC0: vitalii 21570 F.... pulseaudio
DistroRelease: Ubuntu 16.04
InstallationDate: Installed on 2018-08-14 (197 days ago)
InstallationMedia: Ubuntu 16.04.5 LTS "Xenial Xerus" - Release amd64
(20180731)
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
Package: linux
PackageArchitecture: amd64
ProcVersionSignature: Ubuntu 4.15.0-45.48~16.04.1-generic 4.15.18
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
Tags: xenial xenial
Uname: Linux 4.15.0-45-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:
_MarkForUpload: True
dmi.bios.date: 11/27/2013
dmi.bios.vendor: LENOVO
dmi.bios.version: J9ET37WW (1.16 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20C6A03200
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvrJ9ET37WW(1.16):bd11/27/2013:svnLENOVO:pn20C6A03200:pvrThinkPadEdgeE540:rvnLENOVO:rn20C6A03200:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.family: ThinkPad Edge E540
dmi.product.name: 20C6A03200
dmi.product.version: ThinkPad Edge E540
dmi.sys.vendor: LENOVO
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