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Re: Bug#870430: linux-image-4.9.0-3-marvell: Couldn't find DTB in /usr/lib/linux-image-4.9.0-3-marvell or /etc/flash-kernel/dtbs

Control: reassign -1 src:flash-kernel 3.79

On Tue, 2017-08-01 at 23:39 +0200, noone never wrote:
> Package: src:linux
> Version: 4.9.30-2+deb9u2
> Severity: important
> Dear Maintainer,
> When I dist-upgrade my Sheevaplug from jessie to stretch, I get this error:
> Couldn't find DTB  in /usr/lib/linux-image-4.9.0-3-marvell or /etc/flash-kernel/dtbs
> The file /usr/lib/linux-image-4.9.0-3-marvell does exist in the filesystem.
> [...]
> /usr/share/flash-kernel/functions: line 155: warning: command substitution: ignored null byte in input
> I: The initramfs will attempt to resume from /dev/sda3
> I: (UUID=6fcd0aea-6301-4c47-a3fd-9f5eb2c1f8b5)
> I: Set the RESUME variable to override this.
> W: mdadm: /etc/mdadm/mdadm.conf defines no arrays.
> /usr/share/flash-kernel/functions: line 155: warning: command substitution: ignored null byte in input
> Using DTB: kirkwood-sheevaplug.dtb
> Couldn't find DTB  in /usr/lib/linux-image-4.9.0-3-marvell or /etc/flash-kernel/dtbs

These errors are from the flash-kernel hook rather than the kernel
package. You seem to be running stable so I have tagged it as being in
the stable version (3.79) and reassigned. Please let me know if this is
an incorrect assumption.

It says it is looking for "kirkwood-sheevaplug.dtb" and from [0] the
file /usr/lib/linux-image-4.9.0-3-marvell/kirkwood-sheevaplug.dtb is
present in the package -- I suppose it is also present on your

The message:
    Couldn't find DTB  in /usr/lib/linux-image-4.9.0-3-marvell or /etc/flash-kernel/dtbs
is interesting since the double space in "DTB  in" is supposed to
contain $dtb_name, i.e. the path to look for, but it doesn't not.
Please could you attach the full output of running `sh -x
/usr/sbin/flash-kernel`, maybe that will include a clue as to where
things have gone astray.

There is also the warning from line 155 of `functions` is
`machine="$(get_dt_model)"` where:
    get_dt_model() {
            cat "$PROC_DTMODEL"

Assuming you haven't had cause to override FK_PROC_DRMODEL (note typo
in there), does /proc/device-tree/model exist on your system, and if so
what does it contain? The output of `cat -vet /proc/device-tree/model`
might be informative since it will escape any special characters and
make them visible. I suspect this is a harmless trailing nul and it
seems like it is correctly deciding to use kirkwood-sheevaplug.dtb so
this "ignored null byte" message may just be a benign warning.


[0] https://packages.debian.org/stretch/armel/linux-image-4.9.0-3-marvell/filelist

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