[FS#1072] AR71xx / TP-RE450: Can't build image with kernel 4.9.x

[LEDE Bugs]

A new Flyspray task has been opened.  Details are below. 

User who did this - Dirk Brenken (dibdot) 

Attached to Project - LEDE Project
Summary - AR71xx / TP-RE450: Can't build image with kernel 4.9.x
Task Type - Bug Report
Category - Base system
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - Medium
Priority - Very Low
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - Device problem occurs on: TP-RE450 v1
Software versions of LEDE release, packages, etc.: plain vanilla snapshot per 17.10.2017 
Steps to reproduce:

1. standard build root environment
2. make distclean
3. update & install standard package feeds
4. edit/change target/linux/ar71xx/Makefile to "KERNEL_PATCHVER:=4.9"
5. make menuconfig => select Target Profile "TP-LINK RE450 v1" => Save & exit
6. make -j1 V=s

Compile-Output as follows:

[...]
cp /home/dirk/lede/TP-RE450/source/build_dir/target-mips_24kc_musl/linux-ar71xx_generic/vmlinux /home/dirk/lede/TP-RE450/source/build_dir/target-mips_24kc_musl/linux-ar71xx_generic/re450-v1-kernel.bin
/home/dirk/lede/TP-RE450/source/staging_dir/host/bin/patch-cmdline /home/dirk/lede/TP-RE450/source/build_dir/target-mips_24kc_musl/linux-ar71xx_generic/re450-v1-kernel.bin 'board=RE450 mtdparts=spi0.0:128k(u-boot)ro,1344k(kernel),4672k(rootfs),64k(pation-table)ro,64k(product-info)ro,1856k(config)ro,64k(art)ro,6016k at 0x20000(firmware) console=ttyS0,115200'
search space used is default of 16KB
/home/dirk/lede/TP-RE450/source/staging_dir/host/bin/lzma e /home/dirk/lede/TP-RE450/source/build_dir/target-mips_24kc_musl/linux-ar71xx_generic/re450-v1-kernel.bin -lc1 -lp2 -pb2  /home/dirk/lede/TP-RE450/source/build_dir/target-mips_24kc_musl/linux-ar71xx_generic/re450-v1-kernel.bin.new
/home/dirk/lede/TP-RE450/source/staging_dir/host/bin/mktplinkfw -c -H 0x0 -W 0 -L 0x80060000 -E 0x80060000 -m 1 -N "LEDE" -V r5099-5fff2f44d5 -k /home/dirk/lede/TP-RE450/source/build_dir/target-mips_24kc_musl/linux-ar71xx_generic/re450-v1-kernel.bin -o /home/dirk/lede/TP-RE450/source/build_dir/target-mips_24kc_musl/linux-ar71xx_generic/re450-v1-kernel.bin.new 
[mktplinkfw] firmware file "/home/dirk/lede/TP-RE450/source/build_dir/target-mips_24kc_musl/linux-ar71xx_generic/re450-v1-kernel.bin.new" completed
[ -f /home/dirk/lede/TP-RE450/source/build_dir/target-mips_24kc_musl/linux-ar71xx_generic/re450-v1-kernel.bin -a -f /home/dirk/lede/TP-RE450/source/build_dir/target-mips_24kc_musl/linux-ar71xx_generic/root.squashfs ]
dd if=/home/dirk/lede/TP-RE450/source/build_dir/target-mips_24kc_musl/linux-ar71xx_generic/root.squashfs >> /home/dirk/lede/TP-RE450/source/build_dir/target-mips_24kc_musl/linux-ar71xx_generic/tmp/lede-ar71xx-generic-re450-v1-squashfs-sysupgrade.bin
4336+1 records in
4336+1 records out
2220034 bytes (2.2 MB, 2.1 MiB) copied, 0.00595122 s, 373 MB/s
/home/dirk/lede/TP-RE450/source/staging_dir/host/bin/tplink-safeloader -B RE450 -V r5099-5fff2f44d5 -k /home/dirk/lede/TP-RE450/source/build_dir/target-mips_24kc_musl/linux-ar71xx_generic/re450-v1-kernel.bin -r /home/dirk/lede/TP-RE450/source/build_dir/target-mips_24kc_musl/linux-ar71xx_generic/tmp/lede-ar71xx-generic-re450-v1-squashfs-sysupgrade.bin -o /home/dirk/lede/TP-RE450/source/build_dir/target-mips_24kc_musl/linux-ar71xx_generic/tmp/lede-ar71xx-generic-re450-v1-squashfs-sysupgrade.bin.new -j  -S && mv /home/dirk/lede/TP-RE450/source/build_dir/target-mips_24kc_musl/linux-ar71xx_generic/tmp/lede-ar71xx-generic-re450-v1-squashfs-sysupgrade.bin.new /home/dirk/lede/TP-RE450/source/build_dir/target-mips_24kc_musl/linux-ar71xx_generic/tmp/lede-ar71xx-generic-re450-v1-squashfs-sysupgrade.bin || rm -f /home/dirk/lede/TP-RE450/source/build_dir/target-mips_24kc_musl/linux-ar71xx_generic/tmp/lede-ar71xx-generic-re450-v1-squashfs-sysupgrade.bin
os-image partition too big (more than 1376256 bytes): Success
[...]



More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=1072