id,summary,reporter,owner,description,type,status,priority,milestone,component,version,resolution,keywords,cc 286,48-bit ATA commands not supported on OS X,cmurf,somebody,"When running smartctl -x /dev/disk0, I get the following messages: SMART WRITE LOG does not return COUNT and LBA_LOW register SCT (Get) Error Recovery Control command failed Device Statistics (GP Log 0x04) not supported ATA_READ_LOG_EXT (addr=0x11:0x00, page=0, n=1) failed: 48-bit ATA commands not implemented Read SATA Phy Event Counters failed Regression: This problem doesn't occur on the same hardware, with the same version of smartmontools, on linux. Notes: https://lists.macosforge.org/pipermail/macports-users/2013-February/031771.html There's uncertainty if this is an upstream bug in smartmontools or if this is a limitation of xnu or IOKit on OS X. I've filed a bug with Apple, Problem ID: 14368815.",enhancement,closed,major,,all,6.1,wontfix,macosx,