"IRAM0 segment data does not fit"

[alorbach]

Not sure if this is the right location for this issue.
I am able to build based on esp-idf 3.2 and arduino-esp32 tag 1.0.4.

I incremented some WIFI buffers to this:
CONFIG_ESP32_WIFI_DYNAMIC_RX_BUFFER_NUM=32
CONFIG_ESP32_WIFI_DYNAMIC_TX_BUFFER_NUM=32
CONFIG_ESP32_WIFI_TX_BA_WIN=12
CONFIG_ESP32_WIFI_RX_BA_WIN=16

Now when I build for a PSRAM enabled device (With Camera Support), I get this error:
Controller.ino.elf section .iram0.text' will not fit in region iram0_0_seg'
xtensa-esp32-elf/bin/ld.exe: IRAM0 segment data does not fit.
xtensa-esp32-elf/bin/ld.exe: region `iram0_0_seg' overflowed by 2188 bytes

Is there anything I can to avoid this problem?
CONFIG_ESP32_WIFI_IRAM_OPT and CONFIG_ESP32_WIFI_RX_IRAM_OPT are already disabled.

[me-no-dev]

why not use 3.3 and master of this repo? Try with BT disabled (if it's enabled).

[alorbach]

See #19
3.3 is not stable with my Sketch, I may try it again soon.

I have workaround somehow for now by disabling CONFIG_SPIRAM_CACHE_WORKAROUND for now, see my settings:
alorbach@8f9ccd4

It freed up enough IRAM memory so I can build by sketch again for esp32 cam modules.
However I would rather find another solution or perhaps increase / double IRAM memory size if that makes sense?

I am using a lot of PSTR() to store debug printfs into flash memory. And my sketch has been grown alot, could this be related?

Regarding BT, I could disable it but I may use it in my project at a later step. I have set Bluetooth to CONFIG_BTDM_CONTROLLER_MODE_BLE_ONLY though as I thought this could free up some mem and I don't need BT Classic.

[alorbach]

FYI: Fixed by building with esp-idf v3.3