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3 days ago I've updated Ubuntu 12.04 LTE on our server (mainly to get new OpenSSL libs), rebooted, everything was fine. Then after 6 hours server stopped to respond. I rebooted again and it was works for 12 hours. Then it halted.

This morning after another reboot I've found "bad_area_nosemaphore" and "do_page_fault" messages on the screen.

Screenshot

Again the server stopped to respond, but after reboot it started without errors.

What can cause such a problems and how to fix them?

MadMike
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Jury
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1 Answers1

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Distribution Updates often cause problems, I had errors most times Upgrading.

The best way is to backup your data and make a clean install.

Should work out fine. :)