what made the adb to show the device in offline mode? Is that the problem with adbd or adb itself?
On Thu, Jul 26, 2012 at 7:32 AM, guo0693 <guo0...@gmail.com> wrote: > ** > If you can modify the hardware-make a serial port. Then you will be able > to see the output since you push the power button. If system crashed during > booting, you will of course be able to see what's going on through the > serial port. To make a serial port, you need to find the RX and TX pin, and > an arbitrary ground. With these 3 pins you will be able to make the serial > port. Then you may also need a serial-usb convertor board and > minicom/hypercom. > > Regards, > Jun Guo > ------------------------------ > *From:*Jeremy Morales > *Date:*2012-07-26 02:57 > *Subject:*Re: [android-kernel] For any of the phones, Galaxy Nexus, Nexus > S, Motorola Xoom, are there any external log files produced? > *To:*"android-kernel"<android-kernel@googlegroups.com> > *Cc:* > > I think you have to set your debuggin level, but its been a while since I > have done my kernel > > > Maybe this in my init.rc > > sysclktz 0 > > loglevel 3 > > > > On Wed, Jul 25, 2012 at 12:43 PM, 9exceptionThrower9 > <ago...@bucknell.edu>wrote: > >> That's what I've been lead to believe, the phone never reaches >> initialization state. I'll check my init.rc and init.tuna.rc to see if I >> have the same line of code. >> >> However, what file do you edit to enable "earlyprintk"? I've opened the >> kernel config menu with "make", but could only find under "kernel hacking" >> the option for "dynamic printk" no earlyprintk which is actually what I >> want from the phone/emulator. >> >> On Wednesday, July 25, 2012 2:38:05 PM UTC-4, Giveen wrote: >>> >>> In your init.rc you should have adb set up for it. >>> Maybe its stuck on a point before gets to activating adb >>> For example on my init.rc I have this (Jelly Bean port on CM10) >>> >>> # adbd is controlled via property triggers in init.<platform>.usb.rc >>> >>> service adbd /sbin/adbd >>> class core >>> disabled >>> >>> >>> >>> >>> >>> On Wed, Jul 25, 2012 at 12:25 PM, Jason Shim <nguja...@gmail.com> wrote: >>> >>>> Hi, >>>> >>>> You can enable early printk from config option. >>>> >>>> Thanks, >>>> Jason >>>> >>>> On Wed, Jul 25, 2012 at 11:20 AM, 9exceptionThrower9 < >>>> ago...@bucknell.edu> 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 < >>>>>> ago...@bucknell.edu> 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@**goo**glegroups.com<android-kernel%2bunsubscr...@googlegroups.com> >>>>>>> website: >>>>>>> http://groups.google.com/**group**/android-kernel<http://groups.google.com/group/android-kernel> >>>>>> >>>>>> >>>>>> -- >>>>> unsubscribe: >>>>> android-kernel+unsubscribe@**googlegroups.com<android-kernel%2bunsubscr...@googlegroups.com> >>>>> website: >>>>> http://groups.google.com/**group/android-kernel<http://groups.google.com/group/android-kernel> >>>>> >>>> >>>> >>>> >>>> -- >>>> Jason Shim >>>> Software Engineer, Motorola, Inc >>>> >>>> -- >>>> unsubscribe: >>>> android-kernel+unsubscribe@**googlegroups.com<android-kernel%2bunsubscr...@googlegroups.com> >>>> website: >>>> http://groups.google.com/**group/android-kernel<http://groups.google.com/group/android-kernel> >>>> >>> >>> -- >> unsubscribe: android-kernel+unsubscr...@googlegroups.com >> website: http://groups.google.com/group/android-kernel > > > -- > unsubscribe: android-kernel+unsubscr...@googlegroups.com > website: http://groups.google.com/group/android-kernel > > -- > unsubscribe: android-kernel+unsubscr...@googlegroups.com > website: http://groups.google.com/group/android-kernel > -- Thanks & Regards, M.Srikanth Kumar. -- unsubscribe: android-kernel+unsubscr...@googlegroups.com website: http://groups.google.com/group/android-kernel
