Date: Thu, 16 Apr 2009 20:24:55 +0200 From: Alexey Shuvaev <shuvaev@physik.uni-wuerzburg.de> To: John Baldwin <jhb@freebsd.org> Cc: Damian Gerow <dgerow@afflictions.org>, freebsd-current@freebsd.org Subject: Re: ZFS checksum errors on umass(4) insertion Message-ID: <20090416182455.GA60341@wep4035.physik.uni-wuerzburg.de> In-Reply-To: <200904161327.46509.jhb@freebsd.org> References: <49BD117B.2080706@163.com> <200904161145.38687.jhb@freebsd.org> <20090416161851.GC1605@plebeian.afflictions.org> <200904161327.46509.jhb@freebsd.org>
next in thread | previous in thread | raw e-mail | index | archive | help
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.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20090416182455.GA60341>