[PATCH 0/6] rb532: update to kernel 5.4

[Raylynn Knight]

Result from using sysupgrade:

------------------------------
sysupgrade successful
umount: can't unmount /dev: Resource busy
umount: can't unmount /tmp: Resource busy
[  298.546770] rc32434_wdt: Stopped watchdog timer
[  298.551917] reboot: Restarting system


RouterBOOT booter 2.18

RouterBoard 532A

CPU frequency: 399 MHz
  Memory size:  64 MB

Press any key within 4 seconds to enter setup....
loading kernel from nand... OK
setting up elf image... OK
jumping to kernel code
------------------------------

System just hangs at this point.  I let it set for more than 5 minutes.

Result when attempting to boot openwrt-rb532-combined-squashfs.bin from CompactFlash card:

------------------------------
RouterBoard 532A

CPU frequency: 399 MHz
  Memory size:  64 MB

Press any key within 4 seconds to enter setup....
Booting CF
Loading kernel... done
setting up elf image... kernel out of range
kernel loading failed


RouterBOOT booter 2.18

RouterBoard 532A

CPU frequency: 399 MHz
  Memory size:  64 MB

Press any key within 4 seconds to enter setup.
------------------------------

For what it's worth the current snapshot build from Mon Aug 24 04:19:14 2020 behaves the same way.

I was able to restore some functionality by booting the openwrt-19.07.3-rb532-combined-squashfs.bin from CompactFlash and using sysupgrade. Even this image has issues as I can login with Luci, but the Status page hangs with "Loading view….”.  Functionality from command line appears OK.  No issues appear with release 18.06.8
 

Ray


> On Aug 22, 2020, at 7:07 AM, Adrian Schmutzler <freifunk at adrianschmutzler.de> wrote:
> 
> ** I do not own this device, please test! **
> 
> This updates rb532 from kernel 4.14 to 5.4. Based on the code this
> was actually quite easy, let's see whether it works on the devices.
> 
> Adrian Schmutzler (6):
>  rb532: copy files from 4.14 to 5.4
>  rb532: refresh patches for kernel 5.4
>  rb532: refresh config for kernel 5.4
>  rb532: use 5.4 as default kernel
>  rb532: use vendor_model scheme
>  rb532: determine sysupgrade-* directory for upgrade automatically
> 
> target/linux/rb532/Makefile                   |   2 +-
> .../rb532/base-files/lib/preinit/01_sysinfo   |   2 +-
> .../rb532/base-files/lib/upgrade/platform.sh  |  11 +-
> target/linux/rb532/config-5.4                 | 218 ++++++++++++++++++
> target/linux/rb532/image/Makefile             |   7 +-
> .../rb532/patches-5.4/001-cmdline_hack.patch  |  20 ++
> .../004-rb532-fix-partition-info.patch        |  17 ++
> 7 files changed, 269 insertions(+), 8 deletions(-)
> create mode 100644 target/linux/rb532/config-5.4
> create mode 100644 target/linux/rb532/patches-5.4/001-cmdline_hack.patch
> create mode 100644 target/linux/rb532/patches-5.4/004-rb532-fix-partition-info.patch
> 
> -- 
> 2.20.1
> 
> 
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