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How can I make hibernate my desktop in UEFI with Secure boot on. I used command "sudo pm-hibernate" to make hibernate my desktop but my machine did nothing (my desktop is booted up on UEFI with Secure boot on). But, if I boot my desktop on UEFI with Secure boot off, Hibernation is normal. Sorry for my English, thanks, |
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Apparently hibernation is disabled by design with secure boot, since modifying the stored memory content is a potential attack vector. There seem to exist some kernel patches, which implement signed hibernate images https://lwn.net/Articles/651274/ but I don't know whether there exist any usable packaged kernels for Ubuntu, which include those. |
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