Hi everybody, I'm trying to remove the console from a custom board based on a MPC5200B. During development we used console=ttyS1,115200 in our bootcmd for the kernel, but now that the product is ready to be shipped we want to use ttyS1 for something else and would like to deactivate completely the console. So the unit would be accessible only by ssh if needed.
(I'm not really confortable with this since a network problem would prevent us of even debugging the platform... but I've been ask to do it.) Anyway, whenever I try to change console= to null or to tty1 or anything else, the boot is hanging somewhere ( I know that, because some leds are not flashing like they should on a normal boot and I can't login in with ssh). I've tried to use tty1, none, null, zero and I've tried to completely remove the console= arguments... but nothing work, its hanging there without any flashing leds. I've tried redirecting another "real" serial port and it worked, so console=ttyPSC2,115200 work... but we need it also... so it can't do. I've also tried the U-Boot's silent variable trick ... but it did not work and I had to erase the environment of U-Boot with a JTAG to recover back my default setting of ttyS1. I'm now at a point where I think I have try everything that I know, and since I have no way of "seeing" what is going on ... it's pretty hard to debug. The kernel is 2.6.29.2 and can't really be changed... (but it may be patch) This board doesn't have a framebuffer or a graphic chipset, everything was done with a serial connection and now we want to remove this serial connection (console) before sending it to a customer. 1. Is it possible ? 2. Do you have any idea how it can be achieve ? 3. Do you know a bug in 2.6.29.2 that could prevent this to work ? 4. The 'chosen' node is empty in my dts, does it require something to be set ? Thank you for your help ( I hope ;) ) Sylvain Lamontagne _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
