Changes

=== Q: Buffer IO I/O Error for uSD when accessing USB devices ===When you try trying to write a large file on a USB device (e.g. micro SD, connected to the VM MVM through an adapter) user may experience some ''Buffer I/O errors'' (followed by additional kernel errors, like the one shown in depending on the image, it can happen specific operation that caused the system crashes. [[File:Generic-card-reader.jpg|center|thumb|Generic Card Reader]] In case of error, ) like the following (use <code>dmesg</code> on a terminal to see the kernel message that is printed is the following log buffer) <pre class="mw-collapsible mw-collapsed">

To avoid this The root cause of the problemmay vary (e.g. Windows host OS device drivers, host hardware issue, Virtual Box incompatibility with host OS and so on) but, it in our experience, this is recommended caused by poor USB device or SD card reader. For this reason, as first action we suggest to change the micro SD card reader, and then choose adapter with a more robust one E.g. we've found that simple adapters like the one in the following picture, most of the time shows this kind of error during the creation of bootable SD card (like the one described in [[DESK-MX8M-L/Development/How to create a bootable microSD card|this article]]) [[File:Generic-card-reader.jpg|none|thumb]]