Re: [microblaze-uclinux] Console not showing kernel messages

[Sweta <sweta.bhatt@xxxxxxxxxxxxxx>]

Paul Hartke wrote:

See
http://www.itee.uq.edu.au/~listarch/microblaze-uclinux/archive/2006/04/msg00118.html
for a workaround.

I just did a fresh install and build from scratch and am seeing the same
issue.  I've been unable to locate the issue.  John Williams indicated
there should be a Uartlite console option in make menuconfig but I don't
see it anywhere.

Paul

Quoting Manu Rao <MRao@xxxxxxxxxxxxxxxxxxx>:
  

Hi,
 I am working on a Memec spartan 3 dev board and have uclinux up and
running.
#uname -a
uClinux uclinux-auto 2.4.32-uc0 #1 Wed May 31 16:22:57 PDT 2006
microblaze

 I have a curious problem - the kernel messages dont show up!!The first
sign of activity is uclinux-login:
 There is no /var/log , so no dmesg to check either. Is there some option
that I should turn on to get these messages??

 /etc/fstab is a softlink to config/fstab, but so such file exists.

 # mount
/dev/mtdblock0 on / type romfs (ro)
/proc on /proc type proc (rw)
none on /var type ramfs (rw)
none on /etc/config type ramfs (rw)

Thanks
Manu

    

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Hi ,
I faced the same problem after a fresh source code download & by changing a single instance , I resolved that problem.
Only thing u need todo is , go to drivers/char/tty_io.c, in this file change the instace of uart "#ifdef CONFIG_UARTLITE_SERIAL_CONSOLE to "#ifdef CONFIG_XILINX_UARTLITE_0_INSTANCE . After changing this, make menuconfig gives u option (Not before change in tty_io.c), in customize libraries, it will give u option for console on UART. Just enable this option & u will get log on hyper terminal while booting.

-- 
Sweta Bhatt
Embedded Engineer,
eInfochips Ltd.
+919898087805

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