Date: Tue, 14 Feb 2012 19:23:19 +0100 From: Martin Sugioarto <martin@sugioarto.com> To: Harald Schmalzbauer <h.schmalzbauer@omnilan.de> Cc: freebsd-stable@freebsd.org, Jeremy Chadwick <freebsd@jdc.parodius.com>, Claudius Herder <claudius@ambtec.de> Subject: Re: problems with AHCI on FreeBSD 8.2 Message-ID: <20120214192319.44ff7aff@zelda.sugioarto.com> In-Reply-To: <4F3A971F.9040407@omnilan.de> References: <20120214091909.GP2010@equilibrium.bsdes.net> <20120214100513.GA94501@icarus.home.lan> <20120214135435.GQ2010@equilibrium.bsdes.net> <20120214141601.GA98986@icarus.home.lan> <4F3A83DE.3000200@ambtec.de> <20120214165029.GA1852@icarus.home.lan> <4F3A971F.9040407@omnilan.de>
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Am Tue, 14 Feb 2012 18:17:19 +0100 schrieb Harald Schmalzbauer <h.schmalzbauer@omnilan.de>: > > I find it interesting that, at least so far, the only people > > reporting problems of this type with the ahci.ko driver are people > > using Samsung disks. The only difference is that your models are > > F1s while the OPs are F2s. > > I saw such timeouts long ago and mav@ had a look at my postings and he > mentioned it could be a NCQ problem. > I suspected the disks firmware. > I never tracked it down further, because after replacing the Samsung > (F3 in that case) disks with hitachi ones solved all my problems and > gave a big performance kick as well (with zfs). > You can find the discussion here: > http://lists.freebsd.org/pipermail/freebsd-stable/2010-February/055374.html Hi, I just want to add here that I am using 2 drives of type "Samsung HD103SJ" (SpinPoint F3). And I did not have problems with ZFS and with UFS either (for several years now). Everything has been deployed ontop ada(4) since FreeBSD-8. Actually the speed is very good (sequential read at 140 MB/s and more). -- Martin
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