On 10.11.2015 20.18, Gordon Messmer wrote: > On 11/10/2015 10:14 AM, Christer Solskogen wrote: >> Queued TRIM seems to be a problem with this kind of drive (with the >> latest firmware), and a "recent" kernel (4.1.x) seems to have this >> fixed this without disabling NCQ completely. Is that patch backported >> to the "mainline" CentOS 6 or CentOS7 kernel? > > Can you provide any references to the specific bug you're referring to? This is the first I found. http://linux.slashdot.org/story/15/07/30/1814200/samsung-finds-fixes-bug-in-linux-trim-code and https://bugs.launchpad.net/ubuntu/+source/fstrim/+bug/1449005 -- chs