Hi Sergei, I specified that when the bootloader calls the kernel and I did see that the baudrate is correct and I have some messages but when the system is crashing I cannot see printk messages. For instance, I step with JTAG and I can see that printk(KERNEL_WARNING "unable to open initial console") is called but on the terminal I cannot see the message. The same, die() is called but there is no messages on UART terminal. Thanks, Andrei -----Original Message----- From: Sergei Shtylyov [mailto:sshtylyov@xxxxxxxxxx] Sent: Thursday, November 18, 2010 2:21 PM To: Ardelean, Andrei Cc: linux-mips@xxxxxxxxxxxxxx Subject: Re: The new "real" console doesn't display printk() messages like "early" console! Hello. Ardelean, Andrei wrote: > I am porting MIPS Linux on a new platform and my kernel crashes after > console is switched from early console to the new real console (8250.c) > I see messages displayed using the new console like "Freeing prom > memory: 956k freed" (this is the last message I have) so the new console > is up and running. > My problem is that the new console doesn't display printk() messages. > The early console displays all printk() messages. > What do I need to set at compiling time that the new console to display > printk() messages like early console? Have you specified "console=ttyS<n>,<baudrate> as the kernel parameter? > Thanks, > Andrei WBR, Sergei