How to read last oops message in Android kernel

[Umair Khan]

Hi Sasikumar,

I had a look at that already.
There is no file inside /proc/fs/pstore.
Any idea what could be the reason ?
Btw, right now I'm running a working kernel which hasn't panicked yet. Is
it the normal behavior ?

If yes, then I'll try to boot the derped kernel and will see if the panick
logs appear there or not.

Umair

On Wed, Nov 11, 2015 at 5:49 PM, Sasikumar Natarajan <
sasikumar.natarajan at vvdntech.in> wrote:

> This might help
>
> https://www.kernel.org/doc/Documentation/ABI/testing/pstore
>
>
>
> *With Warm Regards,*
>
> Sasikumar Natarajan
>
> VVDN Technologies Pvt Ltd
>
> *Cell: *+91 9994692945 | *Skype:* sasi.vvdn
>
> On Wed, Nov 11, 2015 at 5:13 PM, Umair Khan <omerjerk at gmail.com> wrote:
>
>> Hi,
>>
>> I'm working on the kernel of my xiaomi device. However, whenever I start
>> it, it soft reboots to recovery.
>> I'm guessing a kernel oops occur.
>> I wanted to ask how to read kernel debug messages of the last run ?
>> In my Nexus 5, I have /proc/last_kmsg which contains the messages from
>> the last run.
>>
>> However, in my xiaomi kernel tree, that proc entry is removed.
>> Responsible commit -
>> https://github.com/omerjerk/android_kernel_xiaomi_ferrari/commit/15d76446205710ddfcba6cc9156c7883074f84b1
>>
>> It says that functionality has been moved to pstore.
>> But I'm not able to get how to exactly read the debug messages of the
>> last run.
>>
>> Thanks
>> Umair
>>
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>>
>>
>
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