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<montjoie>
did someone hit some mmc error with H3 on linux-next ?
<montjoie>
got the same on R40
<montjoie>
input/output error on any read/write on mmc
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<miasma>
any suggestions what goes wrong here? I try to boot stock uboot 2018.05/2018.07 and kernel 4.17.14 with opi zero defconfig. The kernel crashes with undefined instruction https://defuse.ca/b/qIjuOfh4MmoZI8M2Rq6eyj
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<KotCzarny>
you didnt load anything
<KotCzarny>
** Bad device mmc 0 **
<KotCzarny>
and it tries some undefined boot
<miasma>
FEL boot
<KotCzarny>
unless you ARE doing FEL boot
<KotCzarny>
did you load kernel at proper place?
<miasma>
the address is listed there
<miasma>
for kernel I used 0x42000000
<KotCzarny>
you should paste whole fel boot log just in case
<miasma>
apparently the invalid instruction occurs before it has uncompressed the kernel
<miasma>
could it be gcc 8.2.0 related
<KotCzarny>
try booting uncompressed one then?
<miasma>
i suppose the kernel first prints the "Uncompressing kernel" before actually doing anything. I meant it fails even earlier
<miasma>
i tried the various compression methods but it didn't go any further
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<wens>
miasma: u-boot doesn't seem to work with gcc >= 7 at the moment
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<timdorohin>
miasma: idk, last time gcc 8.1 from archlinux arm-none-eabi-gcc worked without issues with latest u-boot. (tested on A33 tablet and H3 board)
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<miasma>
wens: not sure if the bug affects u-boot though. if I don't boot any kernels, the uboot prompt and netboot seems to work
<jernej>
miasma: latest u-boot-sunxi master compiled with latest arm-none-eabi-gcc on arch doesn't work for me too...
<jernej>
actually, any stable U-Boot to at least version 2017.11 doesn't work for me
<miasma>
hm ok. you mean it fails to boot the kernel? or doesn't compile?
<miasma>
uboot-2018.01 and older won't compile with gcc 8 (maybe with gcc 7 neither)
<jernej>
fails to boot kernel
<miasma>
ok, good to know
<jernej>
why wouldn't be possible to compile older U-Boot with gcc 8?
<miasma>
apparently they work for some cause new sunxi boards are added to later u-boot versions?
<miasma>
jernej: i can paste the error soon. there was some assembly code or some other issue
<jernej>
I think I built without issue
<jernej>
let me check again
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<miasma>
so, the new uboot versions have issues booting the h2+ boards or some other boards too?
<smaeul>
dtc changed their header guards, and for some reason u-boot 1) includes the system libfdt headers and 2) ships their own
<smaeul>
arch upgraded their dtc back in february which broke builds
<miasma>
yes, seems so
<jernej>
miasma: at least for me, U-Boot works just as before if you use some older compiler
<jernej>
I'm using 7.2.0 from bootlin webpage
<miasma>
I'll need to test the various combinations next. i'm planning to write an article describing how to speed up the boot time so i need to work with non-distro kernel & u-boot kernels
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<miasma>
jernej: fwiw, I tested uboot 2017.11 - 2018.07 and they all worked now. also several kernels worked just fine. the problem was the gcc 8.2.0 from arch (arm-none-eabi-gcc 8.2.0-1). bootlin's gcc works just fine
<miasma>
the issue with conflicting dtc has been fixed in u-boot 2018.03+
<jernej>
miasma: what is the version of bootlin gcc you used?
<miasma>
6.4.0
<jernej>
ah, ok
<miasma>
i could try the 8.2.0 one too
<jernej>
I'm just wondering if this is general issue or just arch issue with gcc 8.2.0
<miasma>
compiling u-boot with gcc 6.4.0 and kernel with 8.2.0 also resulting in properly booting kernel
<miasma>
so apparently there's some problem with gcc 8 and u-boot
<jernej>
what's going on with U-Boot patchwork? it's inaccesible for at least several hours now
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<miasma>
this function is also missing from the sunxi u-boot. might be useful if someone is benchmarking u-boot https://defuse.ca/b/mokQAd0TYVKdM2ne7zFNdR -- i hope the code is right :)
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<fALSO>
jernej, did you manage to send that CLK patch to mainline?
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<jernej>
I did, but it takes time
<jernej>
especially now, between versions
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