VS Arduino - ld.exe: .elf section .text1 will not fit in region iram1_0_seg

Mar 30^th, 2026 at 11:50am (UTC)

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VS Arduino › › › ld.exe: .elf section .text1 will not fit in region iram1_0_seg

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ld.exe: .elf section .text1 will not fit in region iram1_0_seg (Read 6839 times)

City Slicker Junior Member Offline Posts: 26 Joined: May 16^th, 2018	ld.exe: .elf section .text1 will not fit in region iram1_0_seg Nov 26^th, 2020 at 3:37pm	Print Post
	Not been working on a project for a couple of months, recently updated vMicro at least once. What was compiling no longer compiles in VS. Here's what I get: Code (C++) Compiling 'UnitF_BathroomSensor_V2' for 'LOLIN(WEMOS) D1 R2 & mini' Build Folder: "file:///D:/VMTemp/UnitF_BathroomSensor_V2/esp8266_d1_mini/Release" UnitF_BathroomSensor_V2.ino:36: In file included from FastLED.h:14: note #pragma message FastLED version 3.003.003 # pragma message "FastLED version 3.003.003" FastLED.h:65: In file included from UnitF_BathroomSensor_V2.ino:36: from fastspi.h:130: note #pragma message No hardware SPI pins defined. All SPI access will default to bitbanged output # pragma message "No hardware SPI pins defined. All SPI access will default to bitbanged output" ld.exe: 2.ino.elf section .text1 will not fit in region iram1_0_seg Error linking for board LOLIN(WEMOS) D1 R2 & mini Build failed for project 'UnitF_BathroomSensor_V2' collect2.exe*: error: ld returned 1 exit status Compiling this in Arduino IDE produces this: Code (C++) In file included from C:\Data\My nsor_V2.ino:36:0: C:\Data\My Documents\Arduino\libraries\FastLED/FastLED.h:14:21: note: #pragma message: FastLED version 3.003.003 # pragma message "FastLED version 3.003.003" ^ In file included from C:\Data\My Documents\Arduino\libraries\FastLED/FastLED.h:65:0, from C:\Data\My nsor_V2.ino:36: C:\Data\My Documents\Arduino\libraries\FastLED/fastspi.h:130:23: note: #pragma message: No hardware SPI pins defined. All SPI access will default to bitbanged output # pragma message "No hardware SPI pins defined. All SPI access will default to bitbanged output" ^ Executable segment sizes: IROM : 347876 - code in flash (default or ICACHE_FLASH_ATTR) IRAM : 30204 / 32768 - code in IRAM (ICACHE_RAM_ATTR, ISRs...) DATA : 1300 ) - initialized variables (global, static) in RAM/HEAP RODATA : 3668 ) / 81920 - constants (global, static) in RAM/HEAP BSS : 27392 ) - zeroed variables (global, static) in RAM/HEAP Sketch uses 383048 bytes (36%) of program storage space. Maximum is 1044464 bytes. Global variables use 32360 bytes (39%) of dynamic memory, leaving 49560 bytes for local variables. Maximum is 81920 bytes. What's happening please?


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City Slicker Junior Member Offline Posts: 26 Joined: May 16^th, 2018	Re: ld.exe: .elf section .text1 will not fit in region iram1_0_seg Reply #1 - Nov 26^th, 2020 at 4:20pm	Print Post
	More information... Including MAP files in case this helps.

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City Slicker Junior Member Offline Posts: 26 Joined: May 16^th, 2018	Re: ld.exe: .elf section .text1 will not fit in region iram1_0_seg Reply #2 - Nov 26^th, 2020 at 4:23pm	Print Post
	See comparison for .tetx1 https://eddiegreen.com/FullImage.ashx?id=526
	« Last Edit: Nov 26^th, 2020 at 4:26pm by City Slicker »

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Simon@Visual Micro Administrator Offline Posts: 2876 Joined: Feb 13^th, 2019	Re: ld.exe: .elf section .text1 will not fit in region iram1_0_seg Reply #3 - Nov 26^th, 2020 at 4:25pm	Print Post
	Thanks for the report, So we can understand further, could you attach the build output, with the Verbose and Show Build Properties set as shown at the top of this page?


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City Slicker Junior Member Offline Posts: 26 Joined: May 16^th, 2018	Re: ld.exe: .elf section .text1 will not fit in region iram1_0_seg Reply #4 - Nov 26^th, 2020 at 4:33pm	Print Post
	Output from build as requested

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Simon@Visual Micro Administrator Offline Posts: 2876 Joined: Feb 13^th, 2019	Re: ld.exe: .elf section .text1 will not fit in region iram1_0_seg Reply #5 - Nov 26^th, 2020 at 6:04pm	Print Post
	Thanks for the detail, it appears there is an override in the VMicro > Project Properties > Configuration Extra Flags Project, set to -O0. Does it improve if this is removed?


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City Slicker Junior Member Offline Posts: 26 Joined: May 16^th, 2018	Re: ld.exe: .elf section .text1 will not fit in region iram1_0_seg Reply #6 - Nov 27^th, 2020 at 12:52am	Print Post
	Simon@Visual Micro wrote on Nov 26^th, 2020 at 6:04pm: VMicro > Project Properties > Configuration Extra Flags Project, set to -O0 Err, nothing set for this field in the IDE although I can see it in the output. I tried 'Disable Optimization Project=True' and it compiles. See output. Haven't really got a clue about these settings, never touch them. What have I done?

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City Slicker Junior Member Offline Posts: 26 Joined: May 16^th, 2018	Re: ld.exe: .elf section .text1 will not fit in region iram1_0_seg Reply #7 - Nov 27^th, 2020 at 4:04am	Print Post
	Update: While the code now compiles, it's banjaxed - I'm using RGB LEDs and they are not being controlled correctly. I'm compiling via Arduino IDE without any issues. Project and IDE settings attached
	« Last Edit: Nov 27^th, 2020 at 4:12am by City Slicker »
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Simon@Visual Micro Administrator Offline Posts: 2876 Joined: Feb 13^th, 2019	Re: ld.exe: .elf section .text1 will not fit in region iram1_0_seg Reply #8 - Nov 27^th, 2020 at 4:59pm	Print Post
	Would it be possible to attach the log from the Arduino IDE, with the verbose preference enabled?


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City Slicker Junior Member Offline Posts: 26 Joined: May 16^th, 2018	Re: ld.exe: .elf section .text1 will not fit in region iram1_0_seg Reply #9 - Dec 3^rd, 2020 at 3:08am	Print Post
	Attached is output from the Arduino IDE

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City Slicker Junior Member Offline Posts: 26 Joined: May 16^th, 2018	Re: ld.exe: .elf section .text1 will not fit in region iram1_0_seg Reply #10 - Dec 3^rd, 2020 at 3:37am	Print Post
	If this helps, I'm experiencing issues with other code as well. I'm currently working on another project using FastLED library. It's used in the project already discussed - the project that built using vMicro when I tinkered with Disable Optimization Project but where the LED control was not working properly. This compiles without error but the LED's it controls do not function correctly. As with the project already discussed, it compiles and operates as expected in Arduino IDE. I'm going to try to roll back the vMicro extension and verify what works.
	« Last Edit: Dec 3^rd, 2020 at 3:41am by City Slicker »

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City Slicker Junior Member Offline Posts: 26 Joined: May 16^th, 2018	Re: ld.exe: .elf section .text1 will not fit in region iram1_0_seg Reply #11 - Dec 3^rd, 2020 at 6:12am	Print Post
	Update: Installed the following in order... Visual.Micro.Arduino.Studio_20_07_08_3 Visual.Micro.Arduino.Studio_20_06_30_0 Visual.Micro.Arduino.Studio_20_06_18_0 Visual.Micro.Arduino.Studio_1911_28_3 The last installed produced correct build - I picked it because this was around the last date I successfully revised the project. Happy to try later versions but can you give me a clue as to which I should try.


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Simon@Visual Micro Administrator Offline Posts: 2876 Joined: Feb 13^th, 2019	Re: ld.exe: .elf section .text1 will not fit in region iram1_0_seg Reply #12 - Dec 3^rd, 2020 at 12:03pm	Print Post
	Thanks for the updates and detail here! Would it be possible to attach the build log from the version which has worked, so we can compare with the others?


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City Slicker Junior Member Offline Posts: 26 Joined: May 16^th, 2018	Re: ld.exe: .elf section .text1 will not fit in region iram1_0_seg Reply #13 - Dec 4^th, 2020 at 9:51am	Print Post
	See Project Build - VM Version 1911_28_3 attached

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Simon@Visual Micro Administrator Offline Posts: 2876 Joined: Feb 13^th, 2019	Re: ld.exe: .elf section .text1 will not fit in region iram1_0_seg Reply #14 - Dec 4^th, 2020 at 11:59am	Print Post
	Thanks for the log. It appears this is for a different project to the initial report, and does not include the FastLED Library in the working compilation, but it does use the Time and ButtonInput Libraries. Would it be possible to email us the project, or perform a clean on the "UnitF_BathroomSensor_V2" project and attach the full build log again on the older version?


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City Slicker Junior Member Offline Posts: 26 Joined: May 16^th, 2018	Re: ld.exe: .elf section .text1 will not fit in region iram1_0_seg Reply #15 - Dec 4^th, 2020 at 3:25pm	Print Post
	Further information: I've identified the latest version in which the project compiles a functional binary... Visual Micro 2002.7.0 The later version produces screwy binary... Visual Micro 20.02.16 sp1 I've attached logs for build from previous versions and the failing one so you can see what is different.

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City Slicker Junior Member Offline Posts: 26 Joined: May 16^th, 2018	Re: ld.exe: .elf section .text1 will not fit in region iram1_0_seg Reply #16 - Dec 4^th, 2020 at 3:25pm	Print Post
	The first version to fail is:

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City Slicker Junior Member Offline Posts: 26 Joined: May 16^th, 2018	Re: ld.exe: .elf section .text1 will not fit in region iram1_0_seg Reply #17 - Dec 5^th, 2020 at 9:47am	Print Post
	Simon@Visual Micro wrote on Dec 4^th, 2020 at 11:59am: It appears this is for a different project to the initial report, and does not include the FastLED Library in the working compilation, but it does use the Time and ButtonInput Libraries. Yes and no. Its a different project exhibiting the same symptoms. And it does include FastLED and ButtonInput in the project, but perhaps there is a bug there too if they do not appear in the output. If it helps, the identifiable failure in compiling (if it does compile) is the functionality of FastLED which controls RGB LEDs. The data being sent to the LEDs is incorrect and the LEDs function erratically or with different colours. There may be other issues but this one was obvious. Debugging the first project "UnitF_BathroomSensor_V2" is difficult because its installed remotely. But for you... Simon@Visual Micro wrote on Dec 4^th, 2020 at 11:59am: Would it be possible to email us the project, or perform a clean on the "UnitF_BathroomSensor_V2" project and attach the full build log again on the older version? I'll go thru the whole process again with the first project and send you logs for comparison.
	« Last Edit: Dec 6^th, 2020 at 10:37am by City Slicker »

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City Slicker Junior Member Offline Posts: 26 Joined: May 16^th, 2018	Re: ld.exe: .elf section .text1 will not fit in region iram1_0_seg Reply #18 - Dec 5^th, 2020 at 10:17am	Print Post
	See logs attached

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Simon@Visual Micro Administrator Offline Posts: 2876 Joined: Feb 13^th, 2019	Re: ld.exe: .elf section .text1 will not fit in region iram1_0_seg Reply #19 - Dec 7^th, 2020 at 8:51pm	Print Post
	Thanks again for the detail and diagnosis with this issue. At present there is a vMicro > Debugger > Compiler Optimization, which is set to "No Project Optimization" from the output. If this option is set back to "Default Optimization" then the project should build as it did previously. (The reason this has changed is due to a fix to the optimization which ensured it was applied, which did not happen when it seemed to work previously)


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