Date: Fri, 15 Jun 2012 15:16:21 -0700 From: Greg Byshenk <freebsd@byshenk.net> To: Kurt Jaeger <lists@opsec.eu> Cc: freebsd-stable@freebsd.org Subject: Re: Experience with Intel SATA and fbsd 8.3-amd64 ? Message-ID: <20120615221621.GS1768@portland1.byshenk.net> In-Reply-To: <20120615172028.GU5335@home.opsec.eu> References: <20120608144621.GA74475@home.opsec.eu> <201206091527.q59FRTeg069656@lurza.secnetix.de> <20120615172028.GU5335@home.opsec.eu>
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On Fri, Jun 15, 2012 at 07:20:28PM +0200, Kurt Jaeger wrote: > > Kurt Jaeger <lists@opsec.eu> wrote: > > > I have a problem with some host: If I put heavy IO load on that > > > system, write errors happen, and then it crashes. > > > > What kind of write errors, exactly? What messages do you > > get on the console? > > g_vfs_done():ada0s1f[WRITE(offset=50699862016, length=16384)]error = 2 > 2 > g_vfs_done():ada0s1f[WRITE(offset=50699862016, length=16384)]error = 22 > g_vfs_done():ada0s1e[WRITE(offset=44693307392, length=16384)]error = 22 > g_vfs_done():ada0s1e[WRITE(offset=44693211136, length=2048)]error = 5 > > > It's also worth mentioning that such problems could also > > be caused by bad RAM, or even by the power supply (though > > the latter is unlikely in this case, I think). > > Well, the device was probably a bit on the cheap side (ALLNET FW9000). Could it be a device problem? I've seen that type of error (including a crash in the end) when a device can't handle DMA. Disabling DMA solved the problem for me. -- greg byshenk - gbyshenk@byshenk.net - Leiden, NL - Portland, OR USA
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