Android AVD error after update to 2.3

(ubuntu8.0.4+eclipse3.6.1+ADT8.0.1) I update android from(1.5+1.6+2.1+2.2) to 2.3,but I got

1:/home/workaccount/Android/android-sdk-linux_86//tools/emulator: /lib/tls/i686/开发者_StackOverflow中文版cmov/libc.so.6: version GLIBC_2.8' not found (required by /home/workaccount/Android/android-sdk-linux_86//tools/emulator) 2:/home/workaccount/Android/android-sdk-linux_86//tools/emulator: /lib/tls/i686/cmov/libc.so.6: versionGLIBC_2.11' not found (required by /home/workaccount/Android/android-sdk-linux_86//tools/emulator)

when I start an AVD. All versions can't work now. I delete everything expect eclipse,download adt, AndroidSDK, platform2.3/2.2 ,still error. Heeeelp!!!

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Upgrade your your system to Ubuntu 10.10 (maverick) everything works fine for android 2.3 (gingerbread). But, it is bad solution. Google should have to work on backward compatibility issue.

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if you want your older version, the best way is
copy your all the versions from your old SDK directory \platforms to your new SDK's \platforms directory. Restart it and use