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(не показано 8 промежуточных версий этого же участника) | |||
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| colspan="14" | | | colspan="14" | | ||
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| | | Legend | ||
| colspan="10" class="cell-green" | | | colspan="10" class="cell-green" | Not affected by the problem | ||
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| | | | ||
| colspan="10" class="cell-yellow" | | | colspan="10" class="cell-yellow" | Affected, fixed by software update | ||
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| colspan="10" class="cell-red" | | | colspan="10" class="cell-red" | Affected | ||
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== ERRWB70001: Controller won't boot after next reboot == | |||
== ERRWB70001: | |||
'''Affected devices''' | |||
Wiren Board 7 of all revisions with loader version 1.1.1 released before July 15, 2022 | |||
Wiren Board 7 | |||
'''Description''' | |||
''' | |||
A normally working controller does not turn on after the next power reset. The indication LED lights up yellow for about 20 seconds, then goes out for a few seconds, then the cycle repeats. | |||
The debug console says: | |||
<pre> | <pre> | ||
U-Boot SPL 2021.10-wb1.1.1-g4c04347f3e (Feb 03 2022 - 14:48:16 +0000) | U-Boot SPL 2021.10-wb1.1.1-g4c04347f3e (Feb 03 2022 - 14:48:16 +0000) | ||
DRAM: | DRAM: | ||
</pre> | </pre> | ||
Normal boot hangs after DRAM line. | |||
Sometimes the problem only appears if a microSD card is inserted into the controller. | |||
'''Reasons and details''' | |||
''' | |||
The bootloader incorrectly initializes the RAM by not waiting for the PLL to stabilize before accessing the DRAM chips. | |||
'''Bypasses''' | |||
''' | |||
If a microSD card is inserted, try removing and updating the bootloader as described above. | |||
'''Fixed''' | |||
''' | |||
Fixed in U-Boot version 2021.10-wb1.1.2. | |||
The update has been ported to stable wb-2204 and testing. | |||
To update, run three commands in turn: | |||
<syntaxhighlight lang="bash"> | <syntaxhighlight lang="bash"> | ||
apt update | apt update | ||
Строка 96: | Строка 67: | ||
u-boot-install-wb | u-boot-install-wb | ||
</syntaxhighlight> | </syntaxhighlight> | ||
It is recommended to update the bootloader on all controllers. The problem may show up on them later. | |||
If the controller is no longer loading, then there are two ways to bring it back to life: | |||
# writing a special image to a blank microSD card; | |||
# | # connecting to a computer via the first USB-C and running the sunxi-fel utility. | ||
# | |||