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How to: generate a kernel log after random reboot

Posted by Unknown Minggu, 16 Februari 2014 0 komentar

Once in a while, a software bug in the kernel will cause a random reboot, so in order to help kernel developers to fix and troubleshoot the reboots, a kernel log need to be submitted to the developer for further analysis and hopefully lead to a bug fix.

Most Android kernels have "RAM Consoles" to save the necessary kernel logs immediately after reboot in the RAM. The users can then retrieve this RAM log on a subsequent reboot to submit to kernel developers. Here is a quick tour on how to do that.

[ Using ADB ]

adb shell
su
cat /proc/last_kmsg > /sdcard/last_kmsg.txt
exit
exit
adb pull /sdcard/last_kmsg.txt

File last_kmsg.txt will be located in the same location as adb.exe executable.

[ Using android terminal app ]

su
cat /proc/last_kmsg > /sdcard/last_kmsg.txt
exit
exit
adb pull /sdcard/last_kmsg.txt

File last_kmsg.txt will be located on your SD-card.

[ Using Root Explorer / ES Explorer with Root ]

go to /proc folder
copy last_kmsg to /sdcard/
rename last_kmsg to last_kmsg.txt

File last_kmsg.txt will be located on your SD-card.

The best method to share the last_kmsg.txt content is to upload it to pastebin.com and send a link to the developer.

Source: faux123 (Google +)

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Judul: How to: generate a kernel log after random reboot
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