Originally Posted by palmtree5
So, I just attempted to use my laptop's built in SD card reader and it doesn't work. I've been Googling and trying things but to no avail
Some output follows.
From lspci -nnk:
03:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. Device [10ec:5289] (rev 01)
Subsystem: ASUSTeK Computer Inc. Device [1043:1457]
Kernel driver in use: rtsx_pci
[ 348.037884] mmc0: error -110 whilst initialising SD card
[ 349.336879] mmc0: error -110 whilst initialising SD card
[ 350.639838] mmc0: error -110 whilst initialising SD card
I've never seen this myself, so I let my friend Google step in. This page
discusses this particular bug, and starting at reply #7 it looks hopeful in terms of fixing the problem. You want to check it out and see if it gets you anywhere--and then, if not, let us know so we can move on with plan B.