OT: Disk Utility creating corrupt DMGs for some
OT: Disk Utility creating corrupt DMGs for some
- Subject: OT: Disk Utility creating corrupt DMGs for some
- From: Dale Jensen <email@hidden>
- Date: Thu, 31 Jul 2008 08:50:17 -0500
I looked at the list of mailing lists and none of them seemed
appropriate, so if someone can point me to a better resource, many
thanks. I'll include the problem, in case anyone knows that's going on.
I've had a similar problem to this in the past, with a different
computer, product and company, so it must not be super rare, but I
can't find anything relevant googling.
I have a self created DMG file that fails to mount on four different
people's computers, the Finder reporting "Illegal seek". It mounts
just fine on about a dozen other machines, including the exact same
model and system version. For example, two iMac 24" with 10.5.4,
mounts fine on one, fails on the other. Repeated downloads of the DMG
don't result in valid files, and if I just copy the DMG across the
network to one of the computers, it still fails.
Mounting and verifying both the Master and Final DMG in Disk Utility
results in no errors. I have "Verify Checksums" turned on in Disk
Utility preferences. The Master is 40MB, the Final, around 7MB.
Our distribution process is thus:
1) I have a "Master DMG" which I mount, copy a new build to, then
unmount
2) I load the "Master DMG" in Disk Utility, click the Convert button,
select Format: "compressed" and Encryption: "none", and create the
smaller DMG
3) This is then uploaded, with Transmit, to a server. Everyone but me
downloads it with FTP from this server
Any insights or pointers to diagnostics or other information sources
would be very well appreciated.
Thanks!
dale
--
Dale Jensen, CEO
Ntractive, LLC
email@hidden
http://www.ntractive.com
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