Experience with Intel SATA and fbsd 8.3-amd64 ?

[Greg Byshenk]

On Fri, Jun 15, 2012 at 07:20:28PM +0200, Kurt Jaeger wrote:
> > Kurt Jaeger <lists at 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 at byshenk.net  -  Leiden, NL - Portland, OR USA