** Description changed:
Testing the latest 18.04 raspberry server image on my pi 3. I upgraded
the kernel to the proposed version (from 4.13* to 4.15*). Backups of
the vmlinuz, initrd.img and dtb files were made on the system-boot
partition automatically by flash-kernel.
However, on closer inspection the bcm2709-rpi-2-b.dtb and
bcm2709-rpi-2-b.dtb.bak files were the same file. Similarly the
bcm2710-rpi-2-b.dtb and bcm2710-rpi-2-b.dtb.bak were the same. These
files had changed between the 4.13* and 4.15* kernels and so they
- shouldn't be the same. Both the .dtb and .dtb.bak are from the latest
- kernel (4.15*).
+ shouldn't be the same. Both the *2710*.dtb and *2710*.dtb.bak are from
+ the latest kernel (4.15*). Whereas the 2709 files are from the old
+ kernel (4.13*).
The vmlinuz.bak and initrd.img.bak were correct.
+
+ This is possibly caused because I had to modify the server image to work
+ on the pi 3 (I manually copied the *2710*dtb file). The problem may
+ correct itself on subsequent kernel upgrades.
** Description changed:
Testing the latest 18.04 raspberry server image on my pi 3. I upgraded
the kernel to the proposed version (from 4.13* to 4.15*). Backups of
the vmlinuz, initrd.img and dtb files were made on the system-boot
partition automatically by flash-kernel.
However, on closer inspection the bcm2709-rpi-2-b.dtb and
bcm2709-rpi-2-b.dtb.bak files were the same file. Similarly the
- bcm2710-rpi-2-b.dtb and bcm2710-rpi-2-b.dtb.bak were the same. These
+ bcm2710-rpi-3-b.dtb and bcm2710-rpi-3-b.dtb.bak were the same. These
files had changed between the 4.13* and 4.15* kernels and so they
shouldn't be the same. Both the *2710*.dtb and *2710*.dtb.bak are from
the latest kernel (4.15*). Whereas the 2709 files are from the old
kernel (4.13*).
The vmlinuz.bak and initrd.img.bak were correct.
This is possibly caused because I had to modify the server image to work
on the pi 3 (I manually copied the *2710*dtb file). The problem may
correct itself on subsequent kernel upgrades.
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https://bugs.launchpad.net/bugs/1761611
Title:
Incorrect dtb backup file
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