[Ovmsdev] PSRAM bugfix: next round

Michael Balzer dexter at expeedo.de
Sun Nov 8 19:22:51 HKT 2020


the announced bug fix for the regression in toolchain 1.22.0-96-g2852398 
has been released for esp-idf v3.3.

I've merged the latest updates to esp-idf release 3.3.4 into our fork 
and added the new options to our default build configuration. This 
includes some additional PSRAM related fixes.

The toolchain download links in the docs have not yet been updated. Use 
these links to download the new toolchain:

  * Linux 64 bit:
  * MacOS:
  * Windows 64 bit:

for other architectures.

Simply replace your existing toolchain installation by unpacking the 
archive. Test your toolchain installation by checking 
xtensa-esp32-elf-gcc --version.

To update your esp-idf clone:

  * cd $IDF_PATH
  * git pull
  * git submodule update --recursive

Replace your sdkconfig by the default one or set all new config options 
to their defaults. I recommend doing a full rebuild of the OVMS firmware 
(i.e. make clean ; make). You should then get firmware version 
3.2.015-150-gf6121ddd/factory/edge (build idf v3.3.4-845-gd59ed8bba Nov  
8 2020 11:50:31) or higher.


Am 31.07.20 um 22:10 schrieb Michael Balzer:
> But according to the latest comment to the PSRAM issue
> (https://github.com/espressif/esp-idf/issues/2892#issuecomment-667099130)
> the fix in the official release had a regression. In some cases, the bug
> will occur again. The report issue #5423 had the effect of this freezing
> the LwIP task, which would create the WDT / event issue for us as well.
> I'd rather apply the coming toolchain fix release first.
> I'll keep you informed about the toolchain progress.

Michael Balzer * Helkenberger Weg 9 * D-58256 Ennepetal
Fon 02333 / 833 5735 * Handy 0176 / 206 989 26

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