mmlr@xxxxxxxx wrote: > > New Revision: 42181 > > Changeset: https://dev.haiku-os.org/changeset/42181 > > > > Modified: > > haiku/trunk/src/add-ons/kernel/debugger/usb_keyboard/usb_keyboard.cpp > > Log: > > exit_debugger(): > > * Only try to cancel the a transfer, if sUseUSBKeyboard is set. > > * Set the "_usbPipe" parameter. > > Does this already solve the issues with the PMA or shall I still take a look > at > those? I wasn't able to reproduce them in QEMU but haven't yet tested with > real > hardware. No, I can still reliably reproduce the issue. I wonder why you can't. In case that wasn't clear, they only occur when exiting KDL via an input other than the USB keyboard. Otherwise, no USB transfer is pending when KDL is exited. CU, Ingo