"Unable to handle kernel paging request for instruction fetch" on P4080

[Laurentiu Tudor]

Hi Thomas,

On 02/01/2017 11:46 AM, Thomas De Schampheleire wrote:
> On Wed, Jan 25, 2017 at 10:46 AM, Thomas De Schampheleire
> <patrickdepinguin at gmail.com> wrote:
>> Hi,
>>
>> We are experiencing kernel panics of the type "Unable to handle kernel paging
>> request for instruction fetch" but are stuck in our analysis. We would
>> appreciate any help you can give.
>>
>> The problem occurs from time to time on different instances of a particular
>> embedded systems. The kernel is very old, 2.6.36.4, and runs on an 8-core
>> Freescale P4080 QorIQ processor (e500mc-based). Upgrading the kernel to a newer
>> version is not an option at this point.

Any chance of at least trying a newer kernel just to check if the issue
was fixed in the meantime. Also, trying a newer u-boot might help.
Another thing: can you try booting on one core only?

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Best Regards, Laurentiu