[BUG] sd read error when starting print from lcd with color_ui

[piegolf]

Did you test the latest bugfix-2.1.x code?

Yes, and the problem still exists.

Bug Description

when starting a print using the lcd, the lcd freezes and wont respond, connecting to the printer using pronterface shows "SD read error" when the print starts, issue does not show up using classic_ui instead of color_ui and/or when starting a print from sd card using pronterface

Bug Timeline

i found the issue yesterday when installing marling using color ui

Expected behavior

print starts

Actual behavior

lcd freezes and wont respond

Steps to Reproduce

1. compile marlin for mks_robin_nano, sdsupport, MKS_ROBIN_TFT_24, TFT_COLOR_UI, and TOUCH_SCREEN. 2. flash the board with the firmware. 3. attempt to start print from sd card using the lcd.

Version of Marlin Firmware

2.1.2.2

Printer model

Kingroon KP3S

Electronics

stock, MKS_ROBIN_NANO and MKS_ROBIN_TFT_24

LCD/Controller

MKS_ROBIN_TFT_24

Other add-ons

No response

Bed Leveling

None

Your Slicer

Other (explain below)

Host Software

SD Card (headless)

Don't forget to include

• [X] A ZIP file containing your Configuration.h and Configuration_adv.h.

Additional information & file uploads

configs.zip

[thisiskeithb]

2.1.2.2 has been a very buggy release. Please download bugfix-2.1.x to test with the latest code and let us know if you're still having this issue.

[piegolf]

the behavior is the same in the bugfix release

[github-actions[bot]]

Greetings from the Marlin AutoBot! This issue has had no activity for the last 90 days. Do you still see this issue with the latest bugfix-2.1.x code? Please add a reply within 14 days or this issue will be automatically closed. To keep a confirmed issue open we can also add a "Bug: Confirmed" tag.

Disclaimer: This is an open community project with lots of activity and limited resources. The main project contributors will do a bug sweep ahead of the next release, but any skilled member of the community may jump in at any time to fix this issue. That can take a while depending on our busy lives so please be patient, and take advantage of other resources such as the MarlinFirmware Discord to help solve the issue.

[piegolf]

issue still exists with latest bugfix 2.1.x. latest bugfix 2.0.x didn't have any issues with a similar config and the same printer so its a 2.1.x specific issue

[piegolf]

27385 fixes issue on my printer

[thinkyhead]

Good news that we're hitting on a solution. I was personally stumped. I'd like to try a few things to better understand how peripherals can conflict with each other. Please join us over at #27385 if you'd like to help us test some changes designed to make SD card I/O more resilient in a shared bus situation.