I have reached out to Samsung again to hopefully get this falsely advertised feature fixed at the firmware level, since the firmware is at fault for advertising FPDMA QUEUED support (which is what QUEUED TRIM uses), even though it doesn't support it at all.
Read this post for the letter I sent to Samsung: https://bugs.launchpad.net/ubuntu/+source/fstrim/+bug/1449005/comments/55 You can also check prior comments by me and others in that thread, to see more information. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1338706 Title: Samsung SSD 840 failed to get NCQ Send/Recv Log Emask 0x1 failed to set xfermode (err_mask=0x40) on upstream kernels >= 3.12 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1338706/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
