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Old 2020-02-22, 04:57   #4
retina's Avatar
"The unspeakable one"
Jun 2006
My evil lair

142778 Posts

The data in RAM is being corrupted, thus you get the error reported.

So if you are sure it is related to fstrim then there can be a number of possible cause.

Buggy driver (already mentioned above).
Bad PSU dropping voltage when the drive is sucking more current during the trim.
Overheating of the system during trim.

But also be open to the idea that trim is just a coincidence. It could be a flaky RAM stick. Cosmic ray upsets. Alpha decay in the RAM packaging. Overzealous clocking of some part. etc.

Last fiddled with by retina on 2020-02-22 at 04:58
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