ZFS checksum errors on umass(4) insertion
John Baldwin
jhb at freebsd.org
Thu Apr 16 10:39:35 PDT 2009
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.
--
John Baldwin
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