MSGID: <6bm*d+FtA@news.chiark.greenend.org.uk> c06f328e   
   REPLY: <10h7212$9mii$1@dont-email.me> 09b7852f   
   PID: PyGate 1.5.2   
   TID: PyGate/Linux 1.5.2   
   CHRS: ASCII 1   
   TZUTC: 0000   
   REPLYADDR theom+news@chiark.greenend.org.uk   
   REPLYTO 3:633/10 UUCP   
   bp@www.zefox.net wrote:   
   > [apologies for the wide lines]   
   >    
   > Theo  wrote:   
   > >    
   > > Depending on what kind of device it appears as (serial, keyboard, mass   
   > > storage, network, ...) see if you can work out what other app might have   
   > > grabbed it.  ('sudo lsof' is handy here, if it appears as a device node   
   that   
   > > you can grep for)   
   >    
   > Sudo lsof is loquatious, but not obviously informative. These tests were   
   > on a Pi5 running up-to-date Bookworm, but the behavior is outwardly the   
   > same as Trixie on Pi2.   
      
   What I'm looking for is something having grabbed the USB device. This is   
   hard to specify without knowing how the OWON does its USB, but for example   
   if it was serial I'd 'lsof | grep /dev/tty' and look for things using the   
   /dev/ttyUSB0 or /devttyACM0 device the OWON probably uses.   
      
   Since the OWON app has failed to grab the USB you're looking for other apps   
   that have grabbed it, ie not at the OWON app.   
      
   Theo   
      
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