https://bugs.kde.org/show_bug.cgi?id=380525
Bug ID: 380525
Summary: sox synth can not play white noise
Product: plasma-pa
Version: 5.10.0
Platform: Neon Packages
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: general
Assignee: now...@gmail.com
Reporter: 4xr6ah+4wznsmksoi...@sharklasers.com
CC: plasma-b...@kde.org
Target Milestone: ---
# Overview:
play -n synth whitenoise gain -6
This command outputs white noise. Requires sox to be installed and it might be
loud (provided it works as intended). I use this command for various purposes,
including testing of audio output devices and further signal path.
# Steps to reproduce:
1) Download and install the package called sox
2) In the terminal, run "play -n synth whitenoise gain -6" (without the quotes)
# Actual results:
Terminal output:
shm_open() failed: No such file or directory
ALSA lib pulse.c:243:(pulse_connect) PulseAudio: Unable to connect: Protocol
error
play FAIL formats: can't open output file `default': snd_pcm_open error:
Connection refused
Audio output: Nothing.
# Expected results:
Terminal output:
Encoding: n/a
Channels: 1 @ 32-bit
Samplerate: 48000Hz
Replaygain: off
Duration: unknown
In:0.00% 00:00:02.05 [00:00:00.00] Out:98.3k [ =====|===== ] Clip:0
Audio output: White noise.
# Build Date & Platform:
I first experienced this around 2017.04.23, not sure what date it was but I
believe it was still on Plasma 5.9.4
# Additional information:
Hardware: Lenovo X230 with i5-3360m CPU.
└─$ sudo lspci -vvv -s '00:1b.0'
[sudo] password for me:
00:1b.0 Audio device: Intel Corporation 7 Series/C210 Series Chipset Family
High Definition Audio Controller (rev 04)
Subsystem: Lenovo 7 Series/C210 Series Chipset Family High Definition
Audio Controller
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 30
Region 0: Memory at f1530000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [50] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=55mA
PME(D0+,D1-,D2-,D3hot+,D3cold+)
Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit+
Address: 00000000fee002f8 Data: 0000
Capabilities: [70] Express (v1) Root Complex Integrated Endpoint, MSI
00
DevCap: MaxPayload 128 bytes, PhantFunc 0
ExtTag- RBE-
DevCtl: Report errors: Correctable- Non-Fatal- Fatal-
Unsupported-
RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-
MaxPayload 128 bytes, MaxReadReq 128 bytes
DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+
TransPend-
Capabilities: [100 v1] Virtual Channel
Caps: LPEVC=0 RefClk=100ns PATEntryBits=1
Arb: Fixed- WRR32- WRR64- WRR128-
Ctrl: ArbSelect=Fixed
Status: InProgress-
VC0: Caps: PATOffset=00 MaxTimeSlots=1 RejSnoopTrans-
Arb: Fixed- WRR32- WRR64- WRR128- TWRR128- WRR256-
Ctrl: Enable+ ID=0 ArbSelect=Fixed TC/VC=01
Status: NegoPending- InProgress-
VC1: Caps: PATOffset=00 MaxTimeSlots=1 RejSnoopTrans-
Arb: Fixed- WRR32- WRR64- WRR128- TWRR128- WRR256-
Ctrl: Enable+ ID=1 ArbSelect=Fixed TC/VC=22
Status: NegoPending- InProgress-
Capabilities: [130 v1] Root Complex Link
Desc: PortNumber=0f ComponentID=00 EltType=Config
Link0: Desc: TargetPort=00 TargetComponent=00 AssocRCRB-
LinkType=MemMapped LinkValid+
Addr: 00000000fed1c000
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
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