[ATrpms-users] libraw1394_8

[Axel Thimm]

On Thu, Aug 21, 2008 at 09:21:42AM -0700, cromworshipper-atrpms at yahoo.com wrote:
> I need a bit of help with resolving this conflict:
> 
> Transaction Check Error:
>   file /usr/lib64/libraw1394.so.8.2.0 from install of libraw1394-1.3.0-7.fc8.x86_64 conflicts with file from package libraw1394_8-1.3.0-8_11.fc8.x86_64

You shouldn't be getting such an error unless you are using
selective/partial upgrading methods that are by themselves a bug
manifestation.

> Do the atrpms libraw1394 packages provide the functionality that is
> needed for mythtv per http://www.mythtv.org/wiki/index.php/FireWire
> ?

Yes, but you probably also need the ieee1394 kmdls (depends on kernel
& distribution used).

> Or rather, what does this package provide that the fedora
> packages do not?

The difference is in the old vs new stack. mythtv speaks with the old
stack.

> My interest is in mythtv and using a set top box with firewire.
> Should I be able to tell from this description whether I should use
> the fedora packages or the atrpms packages?

The description does not go into the details of old stack vs new
stack. Just let your box upgrade, add the ieee1394-kmdl and blacklist
the new drivers (add blacklist firewire_core and blacklist
firewire_ohci in /etc/modprobe.conf). From upstream's wiki:

   Don't use the new drivers in Linux 2.6.22...2.6.25. They are too
   buggy.

   Regarding Linux 2.6.26, the best advice to Linux distributors
   (kernel packagers) as well as to regular users is: Build only the
   old IEEE 1394 drivers. — Alternatively, build both stacks as
   modules but make sure that only one of them (the one you want) is
   being loaded. I.e. create proper blacklist entries in
   /etc/modprobe.conf; see below. Also, you need to upgrade your
   userland to libraw1394 v2 if you want to switch to the new drivers
   (or freely between old and new drivers). 
-- 
Axel.Thimm at ATrpms.net
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