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NVME "size zero" error - can't interact with it?

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Hi! See attached, really hoping someone can either shed some light on what I'm doing wrong, or confirm that the drive was DOA (sadly, that was actually some time ago, it's been sat in a draw, so likely out of warranty). The NVME drive is visible in BIOS, and shows in unassigned drives, but I can't seem to interact with it. Ultimately am trying to add it as a 2nd cache drive.

06-May-2025 NVME 2.jpg

06-May-2025 NVME.jpg

Edited by jumperoo
Clarification

Solved by JorgeB

  • Community Expert
May  6 13:27:30 Tower kernel: nvme nvme0: controller is down; will reset: CSTS=0xffffffff, PCI_STATUS=0x10
May  6 13:27:30 Tower kernel: nvme nvme0: Does your device have a faulty power saving mode enabled?
May  6 13:27:30 Tower kernel: nvme nvme0: Try "nvme_core.default_ps_max_latency_us=0 pcie_aspm=off pcie_port_pm=off" and report a bug

 

It's worth adding those options to syslinux.cfg, after /bzroot, then reboot and retest.

  • Author

No change, sadly. Have also now found I can't put system into sleep, just to make things even more interesting!

  • Community Expert
  • Solution

Then I would recommend trying with a different NVMe device

  • Author

Sadly, I don't have another. Just tried it in a Windows PC, which also struggles to do anything with it. Gonna chalk this up to bad luck and continue with a HDD as the cache. Will start a new post about the sleep issue. Many thanks!

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