mueller6725@ wrote: > Would "sysctl hw.wd2.use_ncq=0" from the command line have the same effect? > What about "sysctl -w hw.wd2.use_ncq=0" ? What is the effect of "-w" here?
"man 8 sysctl" says > -w Sets the MIB style name given to the value given. i.e. it just means "write a value". Maybe some man page (wd(4)?) should mention what MID nob is provided? I found it on reading src/sys/dev/ata/wd.c:wd_sysctl_attach(): https://nxr.netbsd.org/xref/src/sys/dev/ata/wd.c?r=1.453#2184 > I have a similar problem getting "error reading fsbn ..." messages on a > Western Digital Green hard drive, The error could be caused by various reasons, including real errors. I just confirmed by try and errors: - all power voltages were ok - replacing SATA cable didn't help - it only occured on 9.0_RC1 but not 8.1 - disableing NCQ did show differences > I do not get this problem with NetBSD 7.99.1 or with FreeBSD. No idea here. --- Izumi Tsutsui