Dear Jie, Can you make clear, how you are going to boot prompt, are you using jig box for getting boot prompt or serial logs ?
On Wed, Jul 14, 2010 at 2:28 PM, Jie <[email protected]> wrote: > But Tattoo device booted with a TATTOO logo screen and no ttys will > appear to check out the dmesg. It seems like a paradox for android > devices. > > I've changed the CMDLINE for mkbootimg command but no luck. The > bootloader on HTC Tattoo hasn't been hacked so far. Any suggestions? > > > PS, I'll try it on emulators. > > Regards, > > On Jul 14, 3:54 pm, Vishnu Pratap Singh <[email protected]> wrote: > > actually if you want you can change the debug level in boot parameters > also, > > this should be present in your bootloader code. > > > > On Wed, Jul 14, 2010 at 1:20 PM, Vishnu Pratap Singh > > <[email protected]>wrote: > > > > > > > > > > > > > > > > > > > > > yes, you can try it out. > > > > > On Wed, Jul 14, 2010 at 12:24 PM, Jie <[email protected]> wrote: > > > > >> Hi, vishnu > > > > >> Thanks for quick reply. I've executed 'printenv' on my Tattoo device, > > >> 'CMDLINE' environment value isn't there. I guess it should be set in > > >> BoardConfig.mk file, right? There is an item named > > >> 'BOARD_KERNEL_CMDLINE' in this file. Right now, I set it to > > >> 'no_console_suspend=1 console=null' as Google did for other devices. > > > > >> Is this correct? > > > > >> Regards, > > > > >> On Jul 14, 12:10 pm, Vishnu Pratap Singh <[email protected]> > wrote: > > >> > Hi Jie, > > > > >> > you can use serial port for getting the logs. on serail port go to > boot > > >> > prompt and there you just change the log level from 4 to 8 like > below > > >> > execute -> printenv > > >> > it will show the environment there you will see following > > > > >> > CMDLINE=console=ttySAC2,115200 loglevel=4 > > > > >> > then execute > > >> > setenv CMDLINE=console=ttySAC2,115200 loglevel=*8* > > >> > saveenv > > >> > * > > >> > * > > >> > reboot your target, you will get all printk logs. > > > > >> > regards, > > >> > vishnu > > > > >> > On Wed, Jul 14, 2010 at 9:21 AM, Jie <[email protected]> wrote: > > >> > > Hi, all > > > > >> > > I've ported the HTC drivers for 2.6.29 to kernel-msm-2.6.32.9 on > my > > >> > > HTC Tattoo. After a long time debugging, I completed the > compilation > > >> > > without any errors. I've compared the .config files of both > HTC(.29) > > >> > > and android(.32.9) carefully, nothing strange was found. However, > the > > >> > > phone got stuck after the new boot.img flashed and the adbd had > not > > >> > > started yet, so I couldn't find any useful debug messages from the > new > > >> > > kernel. My question is how to debug the kernel on my HTC Tattoo > > >> > > without adb. Thanks a lot! > > > > >> > > Regards, > > > > >> > > -- > > >> > > unsubscribe: > > >> > > [email protected]<android-kernel%[email protected]> > <android-kernel%[email protected]<android-kernel%[email protected]> > > > > >> <android-kernel%[email protected]<android-kernel%[email protected]> > <android-kernel%[email protected]<android-kernel%[email protected]> > > > > > > >> > > website:http://groups.google.com/group/android-kernel > > > > >> -- > > >> unsubscribe: > > >> [email protected]<android-kernel%[email protected]> > <android-kernel%[email protected]<android-kernel%[email protected]> > > > > >> website:http://groups.google.com/group/android-kernel > > > > > -- > > > Vishnu Pratap Singh > > > > -- > > Vishnu Pratap Singh > > -- > unsubscribe: > [email protected]<android-kernel%[email protected]> > website: http://groups.google.com/group/android-kernel > -- Vishnu Pratap Singh -- unsubscribe: [email protected] website: http://groups.google.com/group/android-kernel
