On August 22, 2019 8:04:34 AM HST, Will Godfrey <willgodfrey@xxxxxxxxxxxxxxx> wrote: >I've had one of these running perfectly for near 2 years now and have >always >run it with a buffer size of 64 frames/48kHz. This last week I've been >too busy >with 'other things' to do any composition. However, yesterday when I >tried to >run it. Jack immediately went into a cascade of Xruns with a most >peculiar >error report, suggestion it couldn't find the unit. > >Running Yoshimi by itself under Alsa worked fine, so I was now totally >perplexed. Eventually I noticed that Yoshimi was set to 128 frames. >When I set >it to 64, it was even stranger. It ran, but on attempting to play >anything it >just made a horrible noise. Further tests revealed that jack also ran >correctly >with 128 frames or more. > >For a while I couldn't think of anything that had changed during that >week - no >upgrades or installs. Then I remembered I'd had to repair a bad solder >joint in >the amplifier, and as everything is mounted in a rack, had to pull >quite a bit >of stuff apart to get to it. I was quite sure I'd checked everything >when >re-assembling it, but just to be sure did a quick 'lsusb' in a terminal >window, >and as I thought, audio, midi, and mouse/keyboard were all on a >different >internal bus, and no bus had anything else on it. > >Today, while playing a CD on my 'office' machine I remembered I used to >have a >USB CD player that wouldn't work when plugged into the front USB3 >sockets, even >though it was identified on an internal USB2 bus, so checking the music >system, >I had indeed plugged it onto one of these on the back of that machine. >Once >swapped into a (black) USB2 socket it once again worked fine. > >I've no idea why it had given the symptoms it did though! USB ports and "standards" can be weird. I had a cheap but excellent Canon scanner that used USB2. It worked beautifully when connected to an USB2 port controlled by an actual USB2 controller. Connect to a USB2 port controlled by a USB3 controller? Nope, no go, nothing, regardless of OS. Glad the problem got sorted out. You may now return to composition, your audience here eagerly awaits your music! --- David W. Jones gnome@xxxxxxxxxxxxx authenticity, honesty, community http://dancingtreefrog.com Sent from my Android device with F/LOSS K-9 Mail. _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx https://lists.linuxaudio.org/listinfo/linux-audio-user
