Date: Sat, 3 Nov 2018 00:47:03 +0000 (UTC) From: Warner Losh <imp@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r340093 - head/share/man/man4 Message-ID: <201811030047.wA30l3aj075734@repo.freebsd.org>
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Author: imp Date: Sat Nov 3 00:47:02 2018 New Revision: 340093 URL: https://svnweb.freebsd.org/changeset/base/340093 Log: Document disbale_phy in ahcich sysctls. Modified: head/share/man/man4/ahci.4 Modified: head/share/man/man4/ahci.4 ============================================================================== --- head/share/man/man4/ahci.4 Sat Nov 3 00:37:51 2018 (r340092) +++ head/share/man/man4/ahci.4 Sat Nov 3 00:47:02 2018 (r340093) @@ -24,7 +24,7 @@ .\" .\" $FreeBSD$ .\" -.Dd October 22, 2013 +.Dd November 2, 2018 .Dt AHCI 4 .Os .Sh NAME @@ -162,6 +162,13 @@ fault LED device nodes .It Pa /dev/led/ahci*.*.locate locate LED device nodes .El +.Sh SYSCTL +.Bl -tag +.It Pa dev.ahcich.X.disable_phy +Set to 1 to disable the phy for the drive on channel X. +Set to 0 to enable the phy. +Useful for turning off troublemakers. +Also useful for debugging when you need the ada drive to come and go. .Sh SEE ALSO .Xr ada 4 , .Xr ata 4 ,
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