Hi, You can enable early printk from config option.
Thanks, Jason On Wed, Jul 25, 2012 at 11:20 AM, 9exceptionThrower9 <[email protected]>wrote: > But what if your phone or emulator gets stuck in a "boot-loop"? It seems > that ADB only works if the ADB daemon can detect the phone or > device/emulator. I've tried "$ ./adb logtcat" before, but it hangs b/c it > cannot detect the device. > > I've tried using the phone's emulator as a work-a-round: however, upon > running the adb server I get the following error: > error: device offline > > I've tried killing adb server, rebooting it, and then running "$ ./adb > devices" to get: > * daemon not running. starting it now on port 5037 * > * daemon started successfully * > List of devices attached > emulator-5554 offline > > Is there a way to turn the phone online? > > > On Wednesday, July 25, 2012 2:05:49 PM UTC-4, Giveen wrote: >> >> adb logcat > logcat.txt >> >> Thats how I do it. Look up how to use the 'adb' tool. >> >> On Wed, Jul 25, 2012 at 8:55 AM, 9exceptionThrower9 >> <[email protected]>wrote: >> >>> I've been trying various methods on getting some kind of debugging log >>> from one of these three phones as they boot up. >>> >>> I've read that the "init" process produces a boot log, and some kernel >>> messages are produced and can be found via "strace" and such. However, >>> does this mean that you can only access these phone logs (from boot mode >>> onward) if the phone makes it to a stable state? >>> >>> What if the phone crashes during the "Google" splash-screen? Is there >>> any way to get some kind of boot log or error log or messages from the >>> phone to the terminal or to an output file as it boots up? How far does >>> the phone need to get in the boot process before any kind of log could be >>> accessed? >>> >>> When the kernel is loaded into memory after the main bootloader stage, >>> does it produce logs that can be accessed? That is, it does not just >>> simply produce log messages that are only found in the phone's file system >>> but somewhere perhaps on the computer the phone is plugged into via USB. >>> Is there any way to configure this if it doesn't do so anyway? >>> >>> Thank you. >>> >>> -- >>> unsubscribe: >>> android-kernel+unsubscribe@**googlegroups.com<android-kernel%[email protected]> >>> website: >>> http://groups.google.com/**group/android-kernel<http://groups.google.com/group/android-kernel> >> >> >> -- > unsubscribe: [email protected] > website: http://groups.google.com/group/android-kernel > -- Jason Shim Software Engineer, Motorola, Inc -- unsubscribe: [email protected] website: http://groups.google.com/group/android-kernel
