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Can't load the driver ethos-n-stack

Moustafa Nabil

Hi all,

Succeeded to build the ethos-n-stack driver. I succeeded to build it using this page:

https://github.com/ARM-software/ethos-n-driver-stack

The build generates some files, one of them is the driver .ko file (ethosn.ko). I should install this driver using the command "sudo insmod ethos.ko". But when I run this command, I got this error.

[ 1391.608322] Registering ethosn-core
[ 1391.609973] Unable to handle kernel paging request at virtual address 0000000300000002
[ 1391.610154] Mem abort info:
[ 1391.610210]   ESR = 0x96000004
[ 1391.610375]   EC = 0x25: DABT (current EL), IL = 32 bits
[ 1391.610545]   SET = 0, FnV = 0
[ 1391.610604]   EA = 0, S1PTW = 0
[ 1391.610758] Data abort info:
[ 1391.611014]   ISV = 0, ISS = 0x00000004
[ 1391.611077]   CM = 0, WnR = 0
[ 1391.611245] user pgtable: 4k pages, 48-bit VAs, pgdp=000000040d7ee000
[ 1391.611424] [0000000300000002] pgd=0000000000000000, p4d=0000000000000000
[ 1391.611646] Internal error: Oops: 96000004 [#1] PREEMPT SMP
[ 1391.611712] Modules linked in: ethosn(O+)
[ 1391.612038] CPU: 1 PID: 590 Comm: insmod Tainted: G           O      5.10.17 #1

Notice that I extract this error message using the command "dmesg | tail -n 20".

Would any one please explain what is the meaning of this error and how can I debug it?

Thank you,

Moustafa