Date: Fri, 15 Nov 2013 11:25:41 +0100 From: Marie <marieheleneka@gmail.com> To: FreeBSD-gnats-submit@freebsd.org, freebsd-bugs@freebsd.org Subject: Re: misc/183980: Unreliable hotplug support with Intel Patsburg AHCI SATA controller Message-ID: <CALXRTbcBvWh0PjK31Fuz1dW1RmEHpUzPW0COBUOjBGr0Q1SHuA@mail.gmail.com> In-Reply-To: <CALXRTbefRyMgZCLRyRDy9bSqhUaxjiM7WG0wHGxSipvn0Sg5Cg@mail.gmail.com> References: <201311150318.rAF3IsB4001517@oldred.freebsd.org> <201311150320.rAF3K0ik017451@freefall.freebsd.org> <CALXRTbefRyMgZCLRyRDy9bSqhUaxjiM7WG0wHGxSipvn0Sg5Cg@mail.gmail.com>
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Following suggestions from mav@ on the FreeBSD forums ( http://forums.freebsd.org/showthread.php?t=43238), I've discovered that the problem was somehow caused by SWAP being enabled on the device which was being unplugged. Considering that 'top' output indicated no swap was being used, and that the system had nearly 63 GB unused memory at the time, I would be surprised if anything was swapped. Although the issue is not what I initially thought it was, I still believe this is a problem which needs resolving, as a hdd dying for whatever reason should not make a port unavailable for what seems like an arbitary period of time. (I have not yet managed to make the port work again by any other way than a reboot, but I only left the system running for up to 15 minutes)
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