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| author | Szabolcs Hubai <szab.hu@gmail.com> | 2021-10-10 01:32:30 +0200 |
|---|---|---|
| committer | Christian Lamparter <chunkeey@gmail.com> | 2021-10-10 16:47:41 +0200 |
| commit | 81d694e30b4926fea057bd3e46d996a8f098b95a (patch) | |
| tree | f079a3a0345ce0d779bac9a892cc0db73bfd5da6 /include | |
| parent | fe9e5fbd7527ad4ff4f5b955823216038a80557d (diff) | |
| download | upstream-81d694e30b4926fea057bd3e46d996a8f098b95a.tar.gz upstream-81d694e30b4926fea057bd3e46d996a8f098b95a.tar.bz2 upstream-81d694e30b4926fea057bd3e46d996a8f098b95a.zip | |
ipq40xx: use zImage for GL.iNet GL-B1300, GL-S1300 to shrink below 4096k
In the "ipq40xx: switch to Kernel 5.10" discussion at GitHub,
Adrian noted [0] that these GL.iNet Conexa series devices,
GL-B1300 and GL-S1300 failed their image generation [1] as their gzipped
uImage kernel went above 4096k.
While notifying the vendor about this problem [2], I tested all U-Boot
releases from GL.iNet:
- they really fail to boot kernel above 4096k
- they don't support lzma: "Unimplemented compression type 3"
- but they boot zImage
Using zImage (xz compression) the kernel is 2909k which is
more than a megabyte away from the KERNEL_SIZE := 4096k limit.
The gzip compressed version would be 4116k.
[0]: https://github.com/openwrt/openwrt/pull/4620#issuecomment-932765776
[1]: commit 7b1fa276f5a2 ("ipq40xx: add testing support for kernel 5.10")
[2]: https://forum.gl-inet.com/t/ipq40xx-kernel-size-and-u-boot-v5-10-is-too-big-for-4-mb/17619
Signed-off-by: Szabolcs Hubai <szab.hu@gmail.com>
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