On Mon, 9 Jun 2008, Jamie Lokier wrote: > The uClinux devices I ship do have that. System console is the serial > port on a board header. But field engineers are instructed to plug in > a USB keyboard and Alt-F2 to get a diagnostic screen (we call it a > "shell" ;-). Occasionally even customers with specific requirements > get to use that. > > We had to patch the kernel to get the combination of virtual terminal > capability on a framebuffer, but system console messages not to the > framebuffer. The uClinux (2.4.x) disables system console on a virtual > terminal, but due to some confusion(*), it has the side effect that > you can't attach a VT to a framebuffer at all. Several howtos provide > a "con2fb" program which didn't work with uClinux. We had to fix that. I think this is due to using 2.4. In 2.6, al you have to do is pass `console=ttyS0' (replace `ttyS0' by your serial port device) to the kernel, and system console messages will no longer appear on the frame buffer (unless you add an explicit `console=tty0'). With kind regards, Geert Uytterhoeven Software Architect Sony Techsoft Centre The Corporate Village · Da Vincilaan 7-D1 · B-1935 Zaventem · Belgium Phone: +32 (0)2 700 8453 Fax: +32 (0)2 700 8622 E-mail: Geert.Uytterhoeven@xxxxxxxxxxx Internet: http://www.sony-europe.com/ Sony Technology and Software Centre Europe A division of Sony Service Centre (Europe) N.V. Registered office: Technologielaan 7 · B-1840 Londerzeel · Belgium VAT BE 0413.825.160 · RPR Brussels Fortis 293-0376800-10 GEBA-BE-BB
