On Thu, Sep 30, 2004 at 06:01:39PM +0100, Martin Habets wrote: > Hi, > > I'm using minicom to connect to a headless sparc running 2.6.8. > Have MAGIC_SYSRQ built into the kernel, but cannot find a way to trigger > it from the keyboard. echo into /proc/sysrq-trigger works fine. > > Sending a break gets me into openboot prompt. > > Have tried to use setkeycodes but it does not work for me. Initially > I had CONFIG_VT turned off, and setkeycodes gave: > Cannot get file desciptor for console > or something similar to that. > With CONFIG_VT turned on, but no keyboard support, I get: > KDSETKEYCODE: No such device > failed to set scancode 1b73 to keycode 84 > Turning on keyboard may help, but that's not right is it? I'm using a > serial port, not a keyboard. > > I'm using the sunzilog driver, but it seems to trigger sysrq after a > break signal in uart_handle_break(). But sendig a break gets me into > openboot. > > Is there a solution? Add hardware that can activate the sysrq line, like a keyboard. (CTRL-ALT-DEL is not in the ASCII table, ASCII is what a terminal sends) > > >From dmesg: > ttyS0 at MMIO 0x0 (irq = 44) is a SunZilog > > Thanks, My appology for saying "it can't be done" Geert Stappers
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