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Custom partitions.csv on ESP32 is ignored #2526

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@aIecxs

Description

@aIecxs

Describe the problem

Custom partitions on ESP32 using ESP-IDF (not using Arduino ESP32) does not calculate app memory correctly on Windows Arduino IDE 2.3.3. The partitions.csv file in Sketch Directory is parsed and checked for proper alignment, but uploading app failes with Sketch too big;

(logfile is modified)
log.txt

To reproduce

create partitions.csv in Sketch Directory. upload big sketch with board setting default partition scheme.
https://docs.espressif.com/projects/arduino-esp32/en/latest/tutorials/partition_table.html#using-a-custom-partition-scheme

Expected behavior

Sketch with size < partition size should fit in app partition. Usage in % should calculated correctly by partition size from custom partitions.csv

Arduino IDE version

2.3.3

Operating system

Windows

Operating system version

10 x64 22H2

Additional context

I have checked with ESP32 boards platform developers, they are suggesting it's either issue with Arduino IDE or usage problem.

espressif/arduino-esp32/issues/10120

Issue checklist

  • I searched for previous reports in the issue tracker
  • I verified the problem still occurs when using the latest nightly build
  • My report contains all necessary details

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