Sam Song wrote: >"Mark A. Greer" <mgreer at mvista.com> wrote: > > >>>Kernel command line: >>>console=uart,mmio,0xfdfce500,115200n8 >>>console=ttyS0,115200 >>>root=/dev/ram rw ramdisk_size=200000 >>>ip=192.168.0.3:192.168..2:::sandpoint:et >>>h0:off panic=1 >>> >>> >>> >><snip> >> >>Get rid of the >>"console=uart,mmio,0xfdfce500,115200n8" part of the >>cmdline and see what happens (keep the >>"console=ttyS0,115200" part). >> >> > >If so, kernel will hang after loading the kernel...... >
Okay, obviously something is wrong. Adding another console line isn't fixing anything, its just allowing you to flounder on a little further. IMHO, adding another console line isn't going to help and will only add confusion. >I cannot see any active info.Is early console output >message not enough to find out something useful? > > Sure it does. You have to enable it, then add some progress lines to help narrow down where you're panic'ing/hanging. You can even use the progress facility to dump the __log_buf. I'm taking your unwillingness to use a jtag/cops debugger as indication that you don't have such a tool!?!? Mark