Accidentally set domain memory to 30Gb, system only has 32Gb of RAM
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And I believe this is causing the system to not boot. I get a kernel panic with an error about not being able to enable IOMMU.
What's the easiest way to fix this? Or am I looking at a complete re-install/upgrade type fix?
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Edit grub before it boots and reduce the number
Then it will boot, and re-enter the correct amount -
@olivierlambert said in Accidentally set domain memory to 30Gb, system only has 32Gb of RAM:
Edit grub before it boots and reduce the number
Then it will boot, and re-enter the correct amount Perfect! Thanks a ton, that did the trick.
Quick follow up questions, if I change it in Grub, is that change permanent, or do I still need to change it via the CLI or in Xencenter?
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IIRC, it will be permanent until there's another Grub update that will regenerate the menu. So it's not really permanent and it's better to use XO/CLI/whatever supported client to modify the value.
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