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]> > > >> > > website:http://groups.google.com/group/android-kernel > > >> -- > >> unsubscribe: > >> [email protected]<android-kernel%[email protected]> > >> website:http://groups.google.com/group/android-kernel > > > -- > > Vishnu Pratap Singh > > -- > Vishnu Pratap Singh -- unsubscribe: [email protected] website: http://groups.google.com/group/android-kernel
