I have this StarTech which isn't the Speed Dragon: https://www.startech.com/en-us/cards-adapters/icusbaudio7d
And I only hear hum when recording now that I think of it. arecord -l on a Pi 3B gives an empty list. But it's plughw:2,0,0 under Alsa (on the Pinebook) On 5/11/21, Luca Castagnini <l...@castagnini.org> wrote: > Hi, > > >> >> How clean is your power? Any way to try it on batteries, even just for a >> few minutes? >> > > I don't know how to answer, I tried two Usb charger, no idea about > batteries. > Also the same Pi+charger+USB DAC works with linux. For this reason I thought > it could be either the HW not supported (although it works on amd64) or a > bad configuration from my side. > > On amd64 I have to add -F snd/1 to use it, but on the Pi it should be > redundant (?) > > Cheers > Luca > > >>> On Tue, May 11, 2021, 9:02 AM Luca Castagnini <l...@castagnini.org> >>> wrote: >>> Hi everyone, >>> >>> I am asking for help with the following problem: >>> I am trying to reproduce a song on the Raspberry Pi 4B using OpenBSD >>> -current and an external USB audio dongle, but I hear only/mostly noise. >>> >>> The song is barely recognizable in the background and sometimes (rarely >>> and randomly) it is reproduced correctly (no noise) for a fraction of a >>> second, then noise again. >>> >>> The USB DAC works fine on my amd64 laptop with openbsd-current. The >>> uaudio shows up in dmesg with the same parameters: >>> uaudio0: class v1, full-speed, sync, channels: 2 play, 1 rec, 8 ctls >>> (full dmesg below) >>> >>> Reading the mailing lists I did the following: >>> I tried to set in UEFI both ACPI=ACPI+devicetree and ACPI=devicetree >>> while I left SD=eMMC2 >>> I tried both USB3, USB2 and using an external (powered) USB hub. >>> I tried to change encoding with audioctl (I changed rate/blksz as well >>> but I am not an expert). >>> I tried to add the following, reboot and re-playing: >>> rcctl set sndiod flags -m play >>> I played the song as root (not sure whether it should help, it didn't). >>> >>> I ran sndiod with debug output as: >>> rcctl stop sndiod >>> sndiod -ddd -a on >>> >>> and I checked that audioctl->play.errors is zero while playing the song. >>> >>> Below I list the output of sndio, audioctl during song reproduction and >>> dmesg. >>> >>> I would be happy if anyone had suggestions that might help. >>> I am also interested in case there is a known-to-work-on-rpi USB audio >>> dongle that I can use. >>> >>> Many thanks and best wishes >>> Luca >>> >>> ======================================= >>> Output of audioctl during reproduction >>> ======================================= >>> name=uaudio0 >>> mode=play,record >>> pause=0 >>> active=1 >>> nblks=16 >>> blksz=480 >>> rate=48000 >>> encoding=s16le >>> play.channels=2 >>> play.bytes=4151040 >>> play.errors=0 >>> record.channels=1 >>> record.bytes=2075520 >>> record.errors=0 >>> >>> (play.bytes increases while playing the song, play.errors always zero) >>> >>> ======================================= >>> Output sndiod -ddd -a on >>> (playing for a few secs, then Ctrl-C) >>> ======================================= >>> snd0 pst=cfg.default: rec=0:1 play=0:1 vol=32768 dup >>> snd1 pst=cfg.default: rec=0:1 play=0:1 vol=32768 dup >>> snd2 pst=cfg.default: rec=0:1 play=0:1 vol=32768 dup >>> snd3 pst=cfg.default: rec=0:1 play=0:1 vol=32768 dup >>> helper(helper|ini): created >>> worker(worker|ini): created >>> listen(/tmp/sndio/sock0|ini): created >>> sock(sock|ini): created >>> helper: recv: cmd = 0, num = 0, idx = 0, mode = 3, fd = -1 >>> helper: send: cmd = 3, num = 0, idx = 0, mode = 0, fd = 3 >>> helper: recv: cmd = 2, num = 0, idx = 0, mode = 768, fd = -1 >>> helper: send: cmd = 3, num = 0, idx = 0, mode = 0, fd = 3 >>> sock,rmsg,widl: AUTH message >>> sock,rmsg,widl: HELLO message >>> sock,rmsg,widl: hello from <play>, mode = 1, ver 7 >>> app/play0.level=127 at 1 -> slot_level:play0: added >>> snd0 pst=cfg: device requested >>> snd0 pst=cfg: trying rsnd/0 >>> worker: send: cmd = 0, num = 0, idx = 0, mode = 3, fd = -1 >>> worker: recv: cmd = 3, num = 0, idx = 0, mode = 0, fd = 6 >>> worker: send: cmd = 2, num = 0, idx = 0, mode = 768, fd = -1 >>> worker: recv: cmd = 3, num = 0, idx = 0, mode = 0, fd = 7 >>> snd0 pst=cfg: using rsnd/0 >>> sio(dev|ini): created >>> sioctl(mix|ini): created >>> 0/output0.level=186 at 2 -> hw:0/0: added >>> 0/output1.level=186 at 3 -> hw:0/1: added >>> 0/output0.mute=0 at 4 -> hw:0/32: added >>> 0/output1.mute=0 at 5 -> hw:0/33: added >>> 0/input0.level=146 at 6 -> hw:0/64: added >>> 0/input0.mute=0 at 7 -> hw:0/96: added >>> snd0 pst=cfg: 48000Hz, s16le, play 0:1, rec 0:0, 16 blocks of 480 frames >>> play0 vol=127,pst=ini: using snd0 pst=ini.default, mode = 1 >>> sock(sock|ini): processed in 6370us >>> play0 vol=127,pst=ini,rmsg,widl: SETPAR message >>> play0 vol=127,pst=ini,rmsg,widl: GETPAR message >>> play0 vol=127,pst=ini,rmsg,widl: GETPAR message >>> play0 vol=127,pst=ini,rmsg,widl: START message >>> play0 vol=127,pst=ini: playing s16le -> s16le >>> play0 vol=127,pst=ini: allocated 7680/15360 fr buffers >>> play0 vol=127,pst=sta: 48000Hz, s16le, play 0:1, 16 blocks of 480 frames >>> play0 vol=127,pst=sta,rmsg,widl: STOP message >>> play0 vol=127,pst=sta: stopping >>> cmap: nch = 2, ostart = 0, onext = 0, istart = 0, inext = 0 >>> snd0 pst=ini: device started >>> snd0 pst=run: started >>> play0 vol=127,pst=rdy: attached at -7680 + 0/480 >>> play0 vol=127,pst=rdy: set weight: 32768/32768 >>> play0 vol=127,pst=stp,rmsg,widl: building SETVOL message, vol = 127 >>> play0 vol=127,pst=ini,rmsg,widl: stopped >>> play0 vol=127,pst=ini: drained >>> play0 vol=127,pst=ini,rmsg,widl: building STOP message >>> play0 vol=127,pst=ini,rmsg,widl: BYE message >>> play0 vol=127,pst=ini,rmsg,widl: closing >>> snd0 pst=run: device released >>> sock(sock|zom): destroyed >>> sock(sock|ini): created >>> sock,rmsg,widl: AUTH message >>> sock,rmsg,widl: HELLO message >>> sock,rmsg,widl: hello from <play>, mode = 1, ver 7 >>> snd0 pst=run: device requested >>> play0 vol=127,pst=ini: using snd0 pst=run.default, mode = 1 >>> play0 vol=127,pst=ini,rmsg,widl: SETPAR message >>> play0 vol=127,pst=ini,rmsg,widl: playback channels 0:1 -> 0:1 >>> play0 vol=127,pst=ini,rmsg,widl: 44100Hz sample rate, 441 frame blocks >>> play0 vol=127,pst=ini,rmsg,widl: 8820 frame buffer >>> play0 vol=127,pst=ini,rmsg,widl: GETPAR message >>> play0 vol=127,pst=ini,rmsg,widl: GETPAR message >>> play0 vol=127,pst=ini,rmsg,widl: START message >>> play0 vol=127,pst=ini: playing s16le -> s16le >>> play0 vol=127,pst=ini: allocated 8820/15876 fr buffers >>> play0 vol=127,pst=sta: 44100Hz, s16le, play 0:1, 20 blocks of 441 frames >>> play0 vol=127,pst=sta,rmsg,widl: building SETVOL message, vol = 127 >>> cmap: nch = 2, ostart = 0, onext = 0, istart = 0, inext = 0 >>> resamp: 441/480 >>> play0 vol=127,pst=rdy: attached at -7056 + 0/441 >>> play0 vol=127,pst=rdy: set weight: 32768/32768 >>> play0 vol=127,pst=run,rmsg,widl: STOP message >>> play0 vol=127,pst=run: stopping >>> play0 vol=127,pst=ini,rmsg,widl: stopped >>> play0 vol=127,pst=ini: drained >>> play0 vol=127,pst=ini,rmsg,widl: building STOP message >>> play0 vol=127,pst=ini,rmsg,widl: BYE message >>> play0 vol=127,pst=ini,rmsg,widl: closing >>> snd0 pst=run: device released >>> sock(sock|zom): destroyed >>> snd0 pst=run: device stopped >>> snd0 pst=run: stopped, load avg = 57781 / 2860591 >>> snd0 pst=cfg: software master level control enabled >>> 0/output.level=127 at 2 -> dev_master:0: added >>> snd0 pst=cfg: closed >>> sio(dev|zom): destroyed >>> sioctl(mix|zom): destroyed >>> snd0 pst=cfg: closing >>> 0/output.level=127 at 2 -> dev_master:0: removed >>> sio(dev|zom): processed in 5741us >>> ======================================= >>> End of sndiod -ddd -a on >>> ======================================= >>> >>> ======================================= >>> RPi4 dmesg >>> ======================================= >>> >>> dera...@arm64.openbsd.org:/usr/src/sys/arch/arm64/compile/GENERIC.MP >>> real mem = 8418521088 (8028MB) >>> avail mem = 8127442944 (7750MB) >>> random: good seed from bootblocks >>> mainbus0 at root: Raspberry Pi 4 Model B Rev 1.4 >>> psci0 at mainbus0: PSCI 1.1, SMCCC 1.2 >>> cpu0 at mainbus0 mpidr 0: ARM Cortex-A72 r0p3 >>> cpu0: 48KB 64b/line 3-way L1 PIPT I-cache, 32KB 64b/line 2-way L1 >>> D-cache >>> cpu0: 1024KB 64b/line 16-way L2 cache >>> cpu0: CRC32,ASID16 >>> cpu1 at mainbus0 mpidr 1: ARM Cortex-A72 r0p3 >>> cpu1: 48KB 64b/line 3-way L1 PIPT I-cache, 32KB 64b/line 2-way L1 >>> D-cache >>> cpu1: 1024KB 64b/line 16-way L2 cache >>> cpu1: CRC32,ASID16 >>> cpu2 at mainbus0 mpidr 2: ARM Cortex-A72 r0p3 >>> cpu2: 48KB 64b/line 3-way L1 PIPT I-cache, 32KB 64b/line 2-way L1 >>> D-cache >>> cpu2: 1024KB 64b/line 16-way L2 cache >>> cpu2: CRC32,ASID16 >>> cpu3 at mainbus0 mpidr 3: ARM Cortex-A72 r0p3 >>> cpu3: 48KB 64b/line 3-way L1 PIPT I-cache, 32KB 64b/line 2-way L1 >>> D-cache >>> cpu3: 1024KB 64b/line 16-way L2 cache >>> cpu3: CRC32,ASID16 >>> efi0 at mainbus0: UEFI 2.7 >>> efi0: https://github.com/pftf/RPi4 rev 0x10000 >>> smbios0 at efi0: SMBIOS 3.3.0 >>> smbios0: vendor https://github.com/pftf/RPi4 version "UEFI Firmware >>> v1.26" date 04/16/2021 >>> smbios0: Raspberry Pi Foundation Raspberry Pi 4 Model B >>> apm0 at mainbus0 >>> "system" at mainbus0 not configured >>> "axi" at mainbus0 not configured >>> simplebus0 at mainbus0: "soc" >>> bcmclock0 at simplebus0 >>> bcmmbox0 at simplebus0 >>> bcmgpio0 at simplebus0 >>> bcmaux0 at simplebus0 >>> ampintc0 at simplebus0 nirq 256, ncpu 4 ipi: 0, 1: >>> "interrupt-controller" >>> bcmtmon0 at simplebus0 >>> bcmdmac0 at simplebus0: DMA0 DMA2 DMA4 DMA5 DMA6 DMA7 DMA8 DMA9 >>> "timer" at simplebus0 not configured >>> pluart0 at simplebus0: console >>> com0 at simplebus0: ns16550, no working fifo >>> "local_intc" at simplebus0 not configured >>> bcmdog0 at simplebus0 >>> bcmirng0 at simplebus0 >>> "firmware" at simplebus0 not configured >>> "power" at simplebus0 not configured >>> "mailbox" at simplebus0 not configured >>> sdhc0 at simplebus0 >>> sdhc0: SDHC 3.0, 250 MHz base clock >>> sdmmc0 at sdhc0: 4-bit, sd high-speed, mmc high-speed >>> "gpiomem" at simplebus0 not configured >>> "fb" at simplebus0 not configured >>> "vcsm" at simplebus0 not configured >>> "clocks" at mainbus0 not configured >>> "phy" at mainbus0 not configured >>> "clk-27M" at mainbus0 not configured >>> "clk-108M" at mainbus0 not configured >>> simplebus1 at mainbus0: "emmc2bus" >>> sdhc1 at simplebus1 >>> sdhc1: SDHC 3.0, 100 MHz base clock >>> sdmmc1 at sdhc1: 8-bit, sd high-speed, mmc high-speed, ddr52, dma >>> "arm-pmu" at mainbus0 not configured >>> agtimer0 at mainbus0: 54000 kHz >>> simplebus2 at mainbus0: "scb" >>> bcmpcie0 at simplebus2 >>> pci0 at bcmpcie0 >>> ppb0 at pci0 dev 0 function 0 "Broadcom BCM2711" rev 0x10 >>> pci1 at ppb0 bus 1 >>> xhci0 at pci1 dev 0 function 0 "VIA VL805 xHCI" rev 0x01: intx, xHCI 1.0 >>> usb0 at xhci0: USB revision 3.0 >>> uhub0 at usb0 configuration 1 interface 0 "VIA xHCI root hub" rev >>> 3.00/1.00 addr 1 >>> bse0 at simplebus2: address dc:a6:32:ed:1d:42 >>> brgphy0 at bse0 phy 1: BCM54210E 10/100/1000baseT PHY, rev. 2 >>> "dma" at simplebus2 not configured >>> "hevc-decoder" at simplebus2 not configured >>> "rpivid-local-intc" at simplebus2 not configured >>> "h264-decoder" at simplebus2 not configured >>> "vp9-decoder" at simplebus2 not configured >>> "leds" at mainbus0 not configured >>> "sd_io_1v8_reg" at mainbus0 not configured >>> "sd_vcc_reg" at mainbus0 not configured >>> "fixedregulator_3v3" at mainbus0 not configured >>> "fixedregulator_5v0" at mainbus0 not configured >>> simplebus3 at mainbus0: "v3dbus" >>> "bootloader" at mainbus0 not configured >>> dt: 443 probes >>> scsibus0 at sdmmc1: 2 targets, initiator 0 >>> sd0 at scsibus0 targ 1 lun 0: <SD/MMC, SC64G, 0080> removable >>> sd0: 60906MB, 512 bytes/sector, 124735488 sectors >>> uhub1 at uhub0 port 1 configuration 1 interface 0 "VIA Labs USB2.0 Hub" >>> rev 2.10/4.21 addr 2 >>> bwfm0 at sdmmc0 function 1 >>> manufacturer 0x02d0, product 0xa9a6 at sdmmc0 function 2 not configured >>> manufacturer 0x02d0, product 0xa9a6 at sdmmc0 function 3 not configured >>> uaudio0 at uhub1 port 3 configuration 1 interface 1 "C-Media Electronics >>> >>> Inc. USB Audio Device" rev 1.10/1.00 addr 3 >>> uaudio0: class v1, full-speed, sync, channels: 2 play, 1 rec, 8 ctls >>> audio0 at uaudio0 >>> uhidev0 at uhub1 port 3 configuration 1 interface 3 "C-Media Electronics >>> >>> Inc. USB Audio Device" rev 1.10/1.00 addr 3 >>> uhidev0: iclass 3/0 >>> uhid0 at uhidev0: input=4, output=4, feature=0 >>> umass0 at uhub0 port 2 configuration 1 interface 0 "TOSHIBA External USB >>> >>> 3.0" rev 3.00/3.22 addr 4 >>> umass0: using SCSI over Bulk-Only >>> scsibus1 at umass0: 2 targets, initiator 0 >>> sd1 at scsibus1 targ 1 lun 0: <TOSHIBA, External USB 3.0, 5438> >>> serial.0480090010106005627F >>> sd1: 3815447MB, 512 bytes/sector, 7814037164 sectors >>> vscsi0 at root >>> scsibus2 at vscsi0: 256 targets >>> softraid0 at root >>> scsibus3 at softraid0: 256 targets >>> sd2 at scsibus3 targ 1 lun 0: <OPENBSD, SR RAID 1, 006> >>> sd2: 1282723MB, 512 bytes/sector, 2627018022 sectors >>> root on sd0a (33593fb538f83769.a) swap on sd0b dump on sd0b >>> gpio0 at bcmgpio0: 58 pins >>> bwfm0: address dc:a6:32:ed:1d:43 >>> WARNING: can't update clock chip time >>> > -- ------------- Education is contagious.