*** This bug is a duplicate of bug 703180 ***
    https://bugs.launchpad.net/bugs/703180

I have found a useful workaround in another Bug #703180

Put the following in rescan.c:

#include <stdio.h>
main(){
  FILE *outfile;
  outfile=fopen("/sys/bus/pci/rescan","w");
  if (outfile != NULL){
    fprintf(outfile,"1\n");
    fclose(outfile);
  }
  else printf("permission denied\n");
}

then compile with:
gcc rescan.c -o rescan
sudo cp rescan /usr/local/bin
sudo chown root /usr/local/bin/rescan
sudo chmod u+s /usr/local/bin/rescan

then in system->preferences->keyboard shortcuts, create a custom
keybinding (Add). The command should point to /usr/local/bin/rescan, and
set whatever key combination you like - I used the gears button on the
top left of the keyboard, which produces 'super-L'

** This bug has been marked a duplicate of bug 703180
   SD card reader inaccessible without pci bus rescan

** This bug is no longer a duplicate of bug 703180
   SD card reader inaccessible without pci bus rescan

** This bug has been marked a duplicate of bug 703180
   SD card reader inaccessible without pci bus rescan

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https://bugs.launchpad.net/bugs/969583

Title:
  Internal SD card reader is not working on Dell XPS L501x

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