ZFS checksum errors on umass(4) insertion
Alexey Shuvaev
shuvaev at physik.uni-wuerzburg.de
Thu Apr 16 11:24:58 PDT 2009
On Thu, Apr 16, 2009 at 01:27:46PM -0400, John Baldwin wrote:
> On Thursday 16 April 2009 12:18:51 pm Damian Gerow wrote:
> > John Baldwin wrote:
> > : > I'm at a bit of a loss as to what to test next, other than checking for
> an
> > : > increased number of checksum errors after unloading umass. However, I'm
> not
> > : > convinced this is going to highlight the actual problem. I'm all ears
> as to
> > : > what to test for at this point, as I'm running out of ideas.
> > : >
> > : > A little less wordy: help?
> > :
> > : Do your umass(4) drives use ZFS or some other filesystem?
> >
> > Something in the FAT line, likely FAT32. I use ZFS for everything but my
> > root filesystem (/usr, /var, /tmp, /home, and a few other non-default
> > mountpoints), but I stick with FAT for removable devices.
> >
> > It's probably worth pointing out that I don't need to mount the filesystem
> > to trigger the issue.
>
> Try http://www.FreeBSD.org/~jhb/patches/dma_sg.patch please.
>
You mean dma_pg.patch? ^^^^^^^^^^^^^
Alexey.
More information about the freebsd-current
mailing list