[CentOS] USB multi-card reader working, finally took the time

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A thread on multi-cards 2 months ago, gave me a hint on how to get usb multi-card readers working:

Quoting "J.J. Garcia" <stigmatedbrain@xxxxxxxxx>:

"Have you tried putting it into /etc/modprobe.conf (options scsi_mod max_luns=32) and rebuilding initrd image after that? That's the way I was doing it so far, and it always worked for me. "

So I then had to learn how to rebuild initrd image. Turns out that is mkinitrd (duh :-[ ).

So I added to my /etc/modprobe.conf:

options scsi_mod max_luns=8


Then:

mkinitrd -v --image-version ....

edited /boot/grub/grub.conf to use this new initrd, and now my MP3 players with internal and external SD cards are working properly.

I am ASSuMing that once modprobe.conf is altered, as I get new kernels, the change will carry forward, and I will not have to do my own mkinitrd?

I base this on my recent update to 42.0.3 and a new initrd file.


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