[linux-dvb] Possible EIT corruption using lastest patch for Nova-T 500 (from " dib7000p tuning problem solved")

Eduard Huguet eduardhc at gmail.com
Thu Jan 24 10:40:12 CET 2008


2008/1/23, Janne Grunau <janne-dvb at grunau.be>:
>
> On Tuesday 22 January 2008 12:41:47 Eduard Huguet wrote:
> > Hi,
> >     I've just applied the patch and compiled the drivers. I haven't
> > tested actual tuning, since I'm not in front of my computer now, but
> > this is awaken and idle so MythTV is  currently simply scanning EIT
> > data. So well, the following messages has started appearing on my
> > mythbackend.log:
> >
> > 2008-01-22 12:37:50.742 Error: offset>181, pes length & current can
> > not be queried
> > 2008-01-22 12:37:50.744 EITHelper: Added 2 events
> > 2008-01-22 12:37:51.217 EITHelper: Added 7 events
> > 2008-01-22 12:37:51.339 330 secs left to system shutdown!
> > 2008-01-22 12:37:51.706 EITHelper: Added 3 events
> > 2008-01-22 12:37:52.164 EITHelper: Added 4 events
> > 2008-01-22 12:37:52.593 EITHelper: Added 2 events
> > 2008-01-22 12:37:53.011 EITHelper: Added 1 events
> > 2008-01-22 12:37:53.428 EITHelper: Added 1 events
> > 2008-01-22 12:37:55.208 Error: offset>181, pes length & current can
> > not be queried
> > 2008-01-22 12:37:56.982 Error: offset>181, pes length & current can
> > not be queried
> > 2008-01-22 12:38:01.411 320 secs left to system shutdown!
> > 2008-01-22 12:38:11.484 310 secs left to system shutdown!
> > 2008-01-22 12:38:15.448 EITHelper: Added 1 events
> > 2008-01-22 12:38:21.553 300 secs left to system shutdown!
> > 2008-01-22 12:38:26.326 Error: offset>181, pes length & current can
> > not be queried
> > 2008-01-22 12:38:31.626 290 secs left to system shutdown!
> > 2008-01-22 12:38:41.698 280 secs left to system shutdown!
> > 2008-01-22 12:38:51.767 270 secs left to system shutdown!
> > 2008-01-22 12:38:54.451 Error: offset>181, pes length & current can
> > not be queried
> >
> >
> > The error about "offset>181 etc..." is usually due to the card
> > receiving corrupt data,
>
> either that or a  not yet found bug in mythtv. Most of them are either
> reception (or dvb driver dependent) I don't see them with my DVB-C
> cards but occasionally on DVB-T.
>
> > and usually causes MySQL table corruption
> > that must be fixed using "myisamchk".
>
> That's very odd. I've never seen or heard something like that. Please
> post more details (mythtv and mysql version, ...) the the mythtv
> developer mailing list.
>
> Janne
>



Thanks. I'll try to do so as soon as I get again these errors. It seems to
be running fine currently.

In addition, I've added an automatic "myisamchk -f
/var/lib/mysql/mythconverg/*.MYI" command to my daily MythTV maintenance
script (whichs performs backup, optimization, etc...). That should fix any
database corruption that might have occurred.


Anyway, my specs are the following:

   - Barebone Asus Pundit P1-AH2 (Athlon64 3800+, 1 GB Ram)
   - Gentoo x86_64
   - Hauppauge Nova-T 500 - HG drivers + lastest 4 patches published
   - MythTV 0.20.2_p14972 (lastest stable in Portage)
   - MySQL 5.0.44-r2 (lastest stable in Portage)

Best regards,
  Eduard
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