Hi @cypressyew. Sorry to take so long to get back to you. > Maybe your PL2303 is using another chip, > can you please upload the dmesg output with this device attached? > Also the output of the following command with it connected: > > lsusb -v
I've attached a file with the output. > And in case you're using a PL2303GS chip, here is a test kernel: > https://people.canonical.com/~phlin/kernel/pl2303gs/ I tried this, and unfortunately it doesn't work. # uname -a Linux GAU233333LD04 5.13.0-41-generic #46~20.04.1+lp1967493 SMP Tue Apr 12 04:38:49 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux # journalctl -b -k -g pl2303 -o cat usbcore: registered new interface driver pl2303 usbserial: USB Serial support registered for pl2303 pl2303 1-12:1.0: pl2303 converter detected pl2303 1-12:1.0: unknown device type, please report to [email protected] ** Attachment added: "lsusb -v output" https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe-5.13/+bug/1967493/+attachment/5586851/+files/lsusb-v ** Changed in: linux-signed-hwe-5.13 (Ubuntu) Status: Incomplete => New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1967493 Title: pl2303 serial adapter not recognized To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe-5.13/+bug/1967493/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
