Hello,
I'm a longtime Debian's user (lover?) and I just get à Raspberry Pi 3+. I would like to run Debian (instead of Raspbian) on it, I'm using debootstrap to install it on an usbkey. I've tried to boot on it and everything work except that I need to boot on an uncompressed kernel. (for the test I used the Rapsbian kernel but it doesn't match the Debian's modules so...)
The problem is that I can't find a solution to uncompress an ARM vmlinuz kernel
Someone can help ?
Thanks
K.
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how to uncompress a vmlinuz ARM kernel ?
Re: how to uncompress a vmlinuz ARM kernel ?
it's just a compressed file, and you uncompress it as you would any other file.
where is the file? show us.
and what have you tried?
where is the file? show us.
and what have you tried?
Re: how to uncompress a vmlinuz ARM kernel ?
This is the "best" method I've seen through my researches but it doesn't work with an ARM (only x86) :
https://www.ibm.com/developerworks/comm ... uz?lang=en
When I try to gunzip I got this error : gzip: unknown suffix -- ignored
https://www.ibm.com/developerworks/comm ... uz?lang=en
When I try to gunzip I got this error : gzip: unknown suffix -- ignored
Re: how to uncompress a vmlinuz ARM kernel ?
this is the output :
pi@raspberrypi:~/kernel $ od -A d -t x1 vmlinuz-4.9.0-6-armmp | grep "1f 8b 08"
0594192 66 80 18 38 f0 98 5c b6 a1 d2 cb 45 1f 8b 08 4a
pi@raspberrypi:~/kernel $ dd if=vmlinuz-4.9.0-6-armmp bs=1 skip=594204 of=kernel
3115692+0 records in
3115692+0 records out
3115692 bytes (3.1 MB, 3.0 MiB) copied, 21.3488 s, 146 kB/s
pi@raspberrypi:~/kernel $ file kernel
kernel: gzip compressed data, has CRC, was "\003\3359Yw\0172\347<\231\315\362\226\261\261@\354"
pi@raspberrypi:~/kernel $ gunzip kernel
gzip: kernel: unknown suffix -- ignored
pi@raspberrypi:~/kernel $
pi@raspberrypi:~/kernel $ od -A d -t x1 vmlinuz-4.9.0-6-armmp | grep "1f 8b 08"
0594192 66 80 18 38 f0 98 5c b6 a1 d2 cb 45 1f 8b 08 4a
pi@raspberrypi:~/kernel $ dd if=vmlinuz-4.9.0-6-armmp bs=1 skip=594204 of=kernel
3115692+0 records in
3115692+0 records out
3115692 bytes (3.1 MB, 3.0 MiB) copied, 21.3488 s, 146 kB/s
pi@raspberrypi:~/kernel $ file kernel
kernel: gzip compressed data, has CRC, was "\003\3359Yw\0172\347<\231\315\362\226\261\261@\354"
pi@raspberrypi:~/kernel $ gunzip kernel
gzip: kernel: unknown suffix -- ignored
pi@raspberrypi:~/kernel $