[mythtv-users] Migration from one machine to the other and problems with recordings...

Hanno 'Rince' Wagner wagner at rince.de
Fri Jan 7 04:32:05 EST 2005


Hi,

my first tv-pc is quite fine with mythtv but I had to find out that
my Via C3 is too slow to do dvd-decoding by it's own. Therefore I am
just creating a new machine.

The old one is a via c3 (m2-10000 Motherboard) with Debian Linux and
Mythtv-cvs; everything is on ext3

The new one is an Athlon64-System with Debian Linux and
Mythtv-Packages; the kernel and the mythtv-packages self-compiled so
it maches the k8-architecture. My recordings are on an
xfs-filesystem, everything else on ext3.

Linux and MythTV is installed (this time I use the Debian-Packages
;), I did a mysqldump for exporting all tables and rsynced all the
movies and .png-files from one machine to the other. Quite straight
I thought this would be.

But on the new machine I see some strange problems. When I scroll
through my recordings it suddenly stops and can not be re-awakened.
when I put an strace on the mythfrontend-process, the only thing I
get is:

select(13, [3 4 5 11 12], [], [], {0, 32029}) = 1 (in [5], left {0, 33000})
read(5, "\0", 1)                        = 1
ioctl(3, FIONREAD, [0])                 = 0
select(13, [3 4 5 11 12], [], [], {0, 31930}) = 0 (Timeout)
ioctl(3, FIONREAD, [0])                 = 0
select(13, [3 4 5 11 12], [], [], {0, 229}) = 0 (Timeout)
ioctl(5, FIONREAD, [0])                 = 0
write(6, "\0", 1)                       = 1
futex(0x40fffa00, FUTEX_WAIT, 30592, NULL

And at the futex it stops.

Checking the strace-logs about filedescriptor 13, I see the following:

open("/usr/share/mythtv/themes/default/blank.png", O_RDONLY) = 13
open("/mnt/store/1026_20050106025000_20050106035500.nuv.png", O_RDONLY) = 13
open("/mnt/store/1026_20050106025000_20050106035500.nuv", O_RDONLY) = 13

So, there seems to be a problem with reading the .nuv or .png-files.
Can someone help me finding out what the problem really is?

Ciao, Hanno
-- 
|  Hanno Wagner  | Member of the HTML Writers Guild  | Rince at IRC      |
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