Subj : Re: Javascript restriction in Trixie To : All From : The Natural Philosopher Date : Tue Dec 09 2025 10:59:37 On 09/12/2025 10:46, Theo wrote: > 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 OOI I discovered a weird thing IF I have a raspberry PI PICO plugged into my desktop as a power supply and running code , then my PC does not detect when the samsung mobile phone is plugged in...unless I unplug the PI first... My friend also reports weird shit with his (PI's) USB. I think it's not as rock solid as we sometimes assume. -- There is something fascinating about science. One gets such wholesale returns of conjecture out of such a trifling investment of fact. Mark Twain --- PyGate Linux v1.5.2 * Origin: Dragon's Lair, PyGate NNTP<>Fido Gate (3:633/10) .