Date: Tue, 15 Nov 2011 07:57:23 +0100 From: Sebastian Chmielewski <chmiels@o2.pl> To: Alexander Motin <mav@FreeBSD.org> Cc: current <current@freebsd.org> Subject: Re: Second SATA device lost after ZFS root is mount Message-ID: <20111115075723.28787610@o2.pl> In-Reply-To: <4EC1A799.7050102@FreeBSD.org> References: <mailpost.1321309390.3282970.33105.mailing.freebsd.current@FreeBSD.cs.nctu.edu.tw> <4EC198B8.1010901@FreeBSD.org> <20111115000055.58b7a103@o2.pl> <4EC1A799.7050102@FreeBSD.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Tue, 15 Nov 2011 01:43:21 +0200 Alexander Motin <mav@FreeBSD.org> wrote: > explicitly disabled. I have only one crazy idea: while setting screen > brightness you are calling ACPI code that is black box by definition and > can do whatever it wants with hardware, including using any possible > custom power control interfaces. You are right, sequence of sudo sysctl dev.acpi_ibm.0.lcd_brightness=6; sudo sysctl dev.acpi_ibm.0.lcd_brightness=3 causes device disconnect: ahcich1: DISCONNECT requested ahcich1: AHCI reset... ahcich1: SATA connect timeout time=10000us status=00000000 ahcich1: AHCI reset: device not found (ada1:ahcich1:0:0:0): lost device (pass1:ahcich1:0:0:0): lost device (pass1:ahcich1:0:0:0): removing device entry best regards, -- Sebastian Chmielewski * jid:chmielsster@gmail.com * gg:3336919 * icq:224161389
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20111115075723.28787610>