Comment 20 for bug 267913

You (Nil) might try doing a "cat /proc/interrupts" at the console and see if snd-hda-intel is using the same interrupt as your SD card reader. If it is, you may be able to work around the SD card problem by adding the line "options snd-hda-intel enable_msi=1" to the bottom of your /etc/modprobe.d/alsa-base file.