(In reply to John Shand from comment #7) > (In reply to Takashi Iwai from comment #5) > > Possibly a problem of SSD with TRIM. Other Crucial SSD models have the > > workarounds, and this one might need the similar fix. > > > > Try to boot with a boot option > > libata.force=noncqtrim > > i haven't made that change as of yet as it hasn't happened again so far If it matters, that may happen after TRIM operation. You can try to trigger it manually.