Mity CPU Platforms » MitySOM-5CSX Altera Cyclone V

09/25/2020

VJ 11:56 AM Software Development: RE: "blk_update_request: I/O error" when formatting eMMC

Hi Mike,
thanks for the quick reply.
CentOS 7 laptop is using kernel: 3.10.0-957.5.1.el7.x86_64 #1 SMP Fri Feb 1 14:54:57 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
The evaluation board was connected using an external USB SD-card rea... V J

MW 11:45 AM Software Development: RE: "blk_update_request: I/O error" when formatting eMMC

Hi VJ,
What version of the kernel was the CentOS 7 laptop using? Was the evaluation board presenting an MMC interface to the laptop, or was it hiding it behind a USB interface?
You might check with Greenliant and ask them if there ... Michael Williamson

VJ 11:39 AM Software Development: "blk_update_request: I/O error" when formatting eMMC

Hi
In our system (rocko branch with kernel 4.9 RT ) we are using a Greenliant eMMC (https://www.greenliant.com/products/?inode=51976). This device is connected to the SOM as an SD-card, i.e. we use a 4 bit data interface. The device i... V J