System freeze when going to suspend while an SD-Card is mounted

[chris109]

If an SD-Card is mounted suspend (to RAM or to Disk) causes a System-Crash on Ubuntu 10.04 LTS.
This problem will be found in older Versions of Ubuntu too. People who are Using Netbooks with an SSD are facing it mostly, because they use SD-cards to store user-data.

I added the following Script to handle the Problem:
---
#!/bin/sh
# File: /etc/pm/sleep.d/10_umount_sd
# This script fixes issius with sleep or suspend when a SD-card is mounted.
case "${1}" in
 hibernate|suspend)
  /bin/sync
  # Find all SD/MMC-Devices
  for drive in $( /bin/ls /dev/mmcblk?p* ); do
   # Unmount each device
   /bin/umount ${drive} > /dev/null
   # If failed: abort suspend
   if [ $? -ne 0 ]; then
    # If the device really keeps mounted
    /bin/mount | /bin/grep ${drive}
    if [ $? -eq 0 ]; then
     exit 1;
    fi
   fi
  done
 ;;
 resume|thaw)
  # Mount all devices mentiond in /etc/fstab
  mount -a > /dev/null
  done
 ;;
esac
---

[Bryce Harrington (bryce)]

While this may still be an issue on lucid, I think it doesn't exist in newer releases (at least, I haven't seen it!) I'm adding a Lucid task and closing out the development task.

[Rolf Leggewie (r0lf)]

lucid has seen the end of its life and is no longer receiving any updates. Marking the lucid task for this ticket as "Won't Fix".