Some more updates : I am using kernel 2.6.12.4. It was Tomasz Chmielewski who said that boot messages cant be logged on USB-serial. soory for the mistake Aristeu Rozanski . On 10/13/08, Prabhu Chawandi <prabhu.chavandi@xxxxxxxxx> wrote: > Hi, > > I am not getting any errors .... > > I have set the command line parameter. I am booting through CFE , > This time I am using Serial console while booting I am changing to USB > serial... > > Once the USB -serial driver is loaded I am expecting the rest of the > logs on the console but I am getting AT command and no more > messages... > > Later I changed inittab file for the login prompt... > > I have the other serial connection through which I can control the > application. When I close that application, through the normal serial, > I am getting login prompt on both USB-serial and normal Serial. > > If I run the application again I am getting logs now on both serials... > > I am consfused why I am not getting the boot log messages... > > I am sure that I have set commandline parameter properly.... > > Aristeu Rozanski has said above that ,,, it is not possoble to log > boot messages on the USB-serial ... what might be the techincal reason > ? > > Thanks > Prabhu > > > > > > > > > On 10/10/08, Greg KH <greg@xxxxxxxxx> wrote: > > > > A: No. > > Q: Should I include quotations after my reply? > > > > On Fri, Oct 10, 2008 at 03:28:56PM +0530, Prabhu Chawandi wrote: > > > On 10/10/08, Prabhu Chawandi <prabhu.chavandi@xxxxxxxxx> wrote: > > > > Yeah... I did all the configurations. > > > > > > > > Still not getting the logs :( > > > > > > > > I feel I am missing the part where USB- serial will be registered to > > > > the tty layer. > > > > > > > > or Do I need to insert the code where we will be opening the device > > > > and performimg the write/read operations. > > > > No code needs to be added. > > > > Please let us know what errors you are seeing, what does your kernel log > > messages show, and so on. It should work properly if you tell the boot > > command line to use the usb-serial port for console messages. > > > > thanks, > > > > greg k-h > > > -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
