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After upgrading from 23.04 to 23.10, my laptop can't sleep: when trying to sleep, it immediately wakes up again. This occurs when no peripherals (Bluetooth anything, keyboard, monitor etc.) are connected too.

I have tried toggling "wakeup devices" in /proc/acpi/wakeup as in Ubuntu wakes up after few seconds of sleep, but disabling them all didn't prevent the computer waking up immediately.

Any help greatly appreciated!

jon
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  • What is the output of sudo dmesg? – Daniel T Jan 18 '24 at 19:46
  • Hi @DanielT, thanks for commenting. I've run that, but there's a huge amount of output, too much to quote here. What would you like me to provide? – jon Jan 19 '24 at 09:12
  • You can use https://paste.ubuntu.com/ . If there is nothing obvious in the dmesg and you think this is a kernel bug instead of something config or commands can fix, you can file a bug report by running apport-bug linux – Daniel T Jan 19 '24 at 16:04
  • Thanks @DanielT, I can't see anything obvious in the dmesg. As this occurred immediately after upgrading to 23.10 and I've tried all config-related solutions I can find, I've created a bug report. – jon Jan 22 '24 at 14:06

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I finally found the answer here: Ubuntu 20.04 suspend logs off and wakes up. Removing these broken nvidia symlinks and then restarting finally fixed this problem for me.

jon
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