Q: IPad 2 crashes with new os 8

You may need to clean out your system with a clean install, a reset to factory default, with iTunes on your desktop computer. Be sure to do backups and turn off your anti-virus software on your desktop.

Choosing an iOS Backup Method (Should I Use iTunes or iCloud to back up ...)

https://support.apple.com/kb/HT5262

Back up and Restore your iOS Device with iCloud or iTunes

http://support.apple.com/kb/ht1766

iTunes: About iOS Backups

http://support.apple.com/kb/ht4946

Create and Delete iPhone, iPad and iPod Touch Backups in iTunes

http://support.apple.com/kb/ht4946

iOS: Troubleshooting Encrypted Backups

http://support.apple.com/kb/TS5162

Use iTunes to Restore your iOS Device to Factory Settings

http://support.apple.com/kb/ht1414

Yes I'm having the same problem Margaret

iPad 2 keeps crashing rebooting after ios 8 update