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MarlinFirmware / Marlin

Marlin is an optimized firmware for RepRap 3D printers based on the Arduino platform. Many commercial 3D printers come with Marlin installed. Check with your vendor if you need source code for your specific machine.
https://marlinfw.org
GNU General Public License v3.0
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[BUG] #21623 causes boot failure #21632

Closed lightmaster closed 3 years ago

lightmaster commented 3 years ago

Did you test the latest bugfix-2.0.x code?

Yes, and the problem still exists.

Bug Description

21623 Prevents booting past the bootlogo. Not sure yet whether this is only with HYBRID_THRESHOLD is off or if it always prevents booting. I can remove this commit alone and it will boot fine again.

Config files

Marlin 2021-04-16.zip

Bug Timeline

Started with #21623 PR

Expected behavior

Marlin should boot completely

Actual behavior

Marlin gets stuck on the bootlogo

Steps to Reproduce

No response

Version of Marlin Firmware

bugfix-2.0.x as of 2021-04-16

Printer model

FLsun Q5

Electronics

BTT SKR 1.4 Turbo

Add-ons

No response

Your Slicer

Prusa Slicer

Host Software

OctoPrint

thisiskeithb commented 3 years ago

As I'm updating printers here with the latest bugfix-2.0.x, I can confirm that I'm seeing the same issue.

Dropping 253ee0c407120526b821c0f3251bda0afb69d934 allows boards to boot again.

0815Pusher commented 3 years ago

Hello, confirmed . My BTT SKR 1.4 Turbo also not connecting with the last bugfix-2.0.x

viper93458 commented 3 years ago

Same here with SKR Pro 1.0 :(

thisiskeithb commented 3 years ago

The breaking change was reverted in bca4652c5e48415cf478da229a253a2106da3e59, so download bugfix-2.0.x again to grab the fix.

github-actions[bot] commented 3 years ago

This issue has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.