Date: Wed, 16 Apr 2008 10:08:01 -0400 From: John Baldwin <jhb@freebsd.org> To: =?iso-8859-1?q?S=F8ren_Schmidt?= <sos@freebsd.org> Cc: Dag-Erling =?iso-8859-1?q?Sm=F8rgrav?= <des@des.no>, src-committers@freebsd.org, cvs-all@freebsd.org, cvs-src@freebsd.org Subject: Re: cvs commit: src/sys/dev/ata ata-all.h ata-raid.c Message-ID: <200804161008.01661.jhb@freebsd.org> In-Reply-To: <FB9A1920-5DDD-421D-9AB3-ADB976E158FF@FreeBSD.ORG> References: <200804131605.m3DG5Z9P041647@repoman.freebsd.org> <86wsn0zasa.fsf@ds4.des.no> <FB9A1920-5DDD-421D-9AB3-ADB976E158FF@FreeBSD.ORG>
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On Monday 14 April 2008 01:09:23 pm S=F8ren Schmidt wrote: > Hi > > Yes, the registers used for setting up events when hotswap happens are > not accessible when in legacy compat mode. If all you need is for the AHCI BAR to have resources assigned newer FreeBS= D=20 kernels (at least 6.x and later) are smart enough to alloc resources for a= =20 BAR that the BIOS doesn't assign resources for when you do a=20 bus_alloc_resource(). > -S=F8ren > > On 14Apr, 2008, at 18:00 , Dag-Erling Sm=F8rgrav wrote: > > S=F8ren Schmidt <sos@FreeBSD.org> writes: > >> You have to set AHCI mode in the BIOS or the resources needed to use > >> it wont be available, so yes its software but not ours :) > > > > Thanks S=F8ren, I will make sure the BIOS is correctly configured. > > > > Does this also affect hotswap? I assume that the ICH8 supports it, > > but > > I haven't been able to make it work. > > > > DES > > -- > > Dag-Erling Sm=F8rgrav - des@des.no =2D-=20 John Baldwin
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