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ext2 and ext3: these are usually found on GNU/Linux operating
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systems. Ubuntu uses <emphasis>ext3</emphasis> as its
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ext2, ext3, and ext4: these are usually found on GNU/Linux operating
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systems. Ubuntu uses <emphasis>ext4</emphasis> as its
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default filesystem.
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If you suffer from any of these problems, you should report a bug to
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<ulink url="https://bugs.launchpad.net/ubuntu/+filebug">Launchpad</ulink>.
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The problems will hopefully be fixed in a subsequent version of Ubuntu. You
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may also like to see if the <link linkend="pm-general-method">General
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method for trying to get suspend and hibernate working</link> works for you.
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The problems will hopefully be fixed in a subsequent version of Ubuntu.
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If your hardware does not work properly after suspending or hibernating
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suspend and hibernate problems.
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<sect3 id="pm-general-method" status="review">
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<title>General method for trying to get suspend and hibernate
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You may be able to get suspend and hibernate working on your computer, but
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this can involve a lot of work. The method below should work for many
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computers. If it does not work for yours, please seek support using one of
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the many help and support channels for Ubuntu.
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Download the <ulink url="http://people.freedesktop.org/~hughsient/quirk/quirk-suspend-debug.html">
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Quirk Checker script</ulink> to your Home folder.
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Find the <filename>quirk-checker.sh</filename> file in your Home folder,
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right-click it and select <guilabel>Properties</guilabel>. Select the
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<guilabel>Permissions</guilabel> tab, check <guilabel>Allow executing file
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as program</guilabel> and click <guibutton>Close</guibutton>.
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Open a Terminal (&terminal;), type
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<userinput>./quirk-checker.sh</userinput> and press <keycap>Enter</keycap>.
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Follow the suggestions that the script makes. These may involve editing
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important system files, so you should seek support if you are unsure of
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Before making the changes recommended by the Quirk Checker, create back-up
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copies of the files that you are going to change.
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<sect2 id="pm-hibernate-pattern" status="review">