On Sat, Jan 17, 2026 at 11:58:53AM -0800, Greg Steuck wrote: > Thank Jonathan! > > Jonathan Gray <[email protected]> writes: > > >> Question: Is there any way to redirect kernel console to com4 after PCI > >> is up, or is console device fixed at boot? If it's fixed, I presume > >> that's a fundamental limitation? > > > > find the address for the uart io bar with pcidump -v > > 0:26:0: Intel C3000 UART > 0x0000: Vendor ID: 8086, Product ID: 19d8 > 0x0004: Command: 0147, Status: 0010 > 0x0008: Class: 07 Communications, Subclass: 00 Serial, > Interface: 02, Revision: 11 > 0x000c: BIST: 00, Header Type: 80, Latency Timer: 00, > Cache Line Size: 00 > 0x0010: BAR io addr: 0x0000e060/0x0008 > 0x0014: BAR mem 32bit addr: 0xdf519000/0x00000100 > > > then at the boot prompt or in /etc/boot.conf > > machine comaddr 0x... > > machine comaddr 0x0000e060/0x0008
the '/0x0008' is not needed > stty com4 9600 > set tty com4 > boot > > Works like a charm! > >
