FS#2900 - ath79 nand trunk bootloop #8137
Comments
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Cutepally: reference to github mirror: [[https://github.com/openwrt/openwrt/commit/53ab9865c2b91bc6a239b2adee800dc52875b6bc#commitcomment-37788979|here]] |
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blocktrron: Please try this fix from my staging tree and report back if it resolves your issue: |
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Cutepally: Will do, should I also attempt 5.4? I started a 4.19 build right now. Will report back shortly. |
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blocktrron: Kernel 5.4 still has major bugs for ath79, but if you would like to do it, go ahead! |
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Cutepally: Okay, the build just loaded and works with that commit as well (on 4.19). OpenWrt SNAPSHOT r12618 //edit: building a 5.4, why not? :)// |
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Cutepally: Okay, kernel 5.4 test didn't build now (expected still, of course) this is the error i collected during the attempt. I don't expect this to be fixed soon or anything, the issue from this ticket is resolved. Thanks for your time. :) |
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realmicu: Please use latest master, David Bauer recently provided a patch that adapts ar934x-nand driver to 5.4. Also please use GCC 9.3.0, default version 8.4.0 may produce unbootable kernel ("Kernel panic - not syncing: Unexpected DSP exception") for certain ath79 devices (confirmed for routers based on Atheros 9344). See FS#2928. |
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Cutepally: i tested 5.4 with gcc 9.3.0 however the device still wouldn't boot, i tried the sysupgrade first then tftp the img file however both didn't work so i remade it with 4.19 and that one took (still using gcc9): |
Cutepally:
commit: [[https://git.openwrt.org/?p=openwrt/openwrt.git;a=commit;h=53ab9865c2b91bc6a239b2adee800dc52875b6bc|ath79: add support for kernel 5.4]]
this commit edits: target/linux/ath79/nand/config-default [[https://git.openwrt.org/?p=openwrt/openwrt.git;a=blobdiff;f=target/linux/ath79/nand/config-default;h=50bc55079432b2ac6b90a815f9c7df9f999d89d3;hp=b03f977a07f63c90374a17159d75363d50b14d38;hb=53ab9865c2b91bc6a239b2adee800dc52875b6bc;hpb=e1e6ff6648f5a0819a5b9429e787c1b6aacfec59|diff]]
this is causing the bootloop to happen. however, if:
CONFIG_MTD_NAND=y CONFIG_MTD_NAND_AR934X=y CONFIG_MTD_NAND_ECC=yis readded, the bootloop won't happen and the build will load.
i don't know if all three of these are needed or just CONFIG_MTD_NAND
i also tested with this on 5.4 but i still have the bootloop however, that's probably expected i know it's currently a work in progress.
so, this change will only fix 4.19
after i patched this locally: //OpenWrt SNAPSHOT r12586+5-3b45a3b388//
also i should note, as of this version exFAT (specifically, kmod-fs-exfat0) won't compile at 4.19 but that's another issue that i'm sure will be resolved in no time.
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