Date: Thu, 22 Oct 2009 12:06:21 +0200 From: Ivan Voras <ivoras@freebsd.org> To: freebsd-current@freebsd.org Subject: Re: Strange issue with Samba on 8.0rc1 Message-ID: <hbpaqv$3n4$1@ger.gmane.org> In-Reply-To: <4ADF70F1.5060300@gmail.com> References: <4ADF70F1.5060300@gmail.com>
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David Ehrmann wrote: > I'm having a strange issue with samba-3.3.8. When I open a file from a > Vista machine, it's corrupted. When it's an uncompressed image, I get > sections where 3308 bytes of pixels are black. They're not evenly > distributed, and I'd guess they fill between 10% and 20% of the image. > If I open the file from an XP machine (in VMware on the same computer), > this doesn't happen. It's not the disk; it's ZFS, and the lines aren't > consistent. Opening the file from a samba on a different FreeBSD box > with the data accessed via NFS works (again, not the disk). The problem > also happens if I access a file on a non-ZFS disk. > > Trying to see if it's a a 8.0 issue, I did a fresh installation in > VMware (aside: the kernel in the installer crashes with the LSI Logic > controller VMware emulates), installed samba 3.3 from packages, mounted > the files via nfs, and it works from Vista. > > A 100MB file transfer with netcat between buggy FreeBSD and Vista worked. > > I grabbed a fresh ports tree, cleaned it, then did portupgrade -P -R -f > net/samba33. Didn't work. I tried again, but entirely from packages, > and also removed and reinstalled most of the dependencies, but no luck. > That time, I even started a fresh smb.conf and deleted /var/db/samba. > > My /var was corrupted at one point, so any db there might not have been > reliable (hence -R on portupgrade). > > Ideas? This looks like too much problems at the same time to be a problem in samba or FreeBSD. For what it's worth, here are some ideas and data points: - FreeBSD 8.0-RC1 installs and runs perfectly normal in VMWare ESXi with LSI emulation - If it is a disk problem (bad cable? controller?) it could manifest itself or at least give some clue if you did 'zpool scrub'. ZFS is checksummed - it should give you IO errors if the data gets corrupted. - There are several versions of Samba in the ports - can you try another one? - Before you do anything, have you updated to the latest 8.0 source?
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