That does appear to change the behavior, but it doesn't solve the problem. Before running that command, I would get a message like this every 15 seconds or so:
[10576.945814] mmc0: error -110 whilst initialising SD card After running that command, the errors come much more quickly: [10571.932040] sdhci: Switching to 1.8V signalling voltage failed, retrying with S18R set to 0 [10573.534266] mmc0: error -110 whilst initialising SD card [10573.643790] sdhci: Switching to 1.8V signalling voltage failed, retrying with S18R set to 0 [10575.246098] mmc0: error -110 whilst initialising SD card [10575.344857] sdhci: Switching to 1.8V signalling voltage failed, retrying with S18R set to 0 [10576.945814] mmc0: error -110 whilst initialising SD card [10577.053928] sdhci: Switching to 1.8V signalling voltage failed, retrying with S18R set to 0 [10578.657675] mmc0: error -110 whilst initialising SD card -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1067222 Title: 14e4:16bc Built-in SD card reader on Acer Aspire One AS756 intermittently operative To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1067222/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs