this post was submitted on 12 Apr 2025
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NMVE offline after suspend (lemm.ee)
submitted 3 weeks ago* (last edited 3 weeks ago) by iturnedintoanewt@lemm.ee to c/linux@lemmy.world
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So...I just purchased a brand new WD black SN850X 2TB to store a bunch of games. I installed it on my last NVME slot available no my motherboard, M2C_SB, which I understand doesn't directly plug into the CPU but onto the motherboard's southbridge. Not sure if this has any reason for the issue. So, the problem is...whenever the PC suspends (which, by the way, it can go suspended even in the middle of a file transfer...not sure why KDE won't block that)...anyway, after a suspension, that drive is missing. Checking any partition manager, it shows the NVME drive is still somewhat there, but with no partitions listed. There's an error 'partition xxxx is not properly aligned". It seems my only option is a reboot. After the reboot, the drive is fine, it's properly mounted, shows correctly the partition in the disk manager, and runing a check finds no errors. Mind you, there's 3 NVME drives plugged, only this last one is giving me headaches after suspension.

...what's causing this? And how can I avoid it?

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[–] baru@lemmy.world 4 points 3 weeks ago (2 children)

Tried upgrading the Bios and the firmware?

[–] Oth@lemmy.zip 2 points 3 weeks ago

Both are up to date. I actually suspect this is an issue caused by the newer firmware, but there is only one firmware version available when I looked into it.

I ended up working around the problem, and just using the old NVME as the OS drive and using hibernate rather than sleep. It seems something about going into standby causes the problem, and the system going "cold" by parking onto the disk doesn't cause the same issue.

[–] iturnedintoanewt@lemm.ee 2 points 3 weeks ago* (last edited 3 weeks ago)

In my case BIOS was updated recently, and seems there's no new firmware releases for this SSD. So, kinda stuck right now.