[mythtv-users] Two Nova-T cards not working together

[Stephen Robertson]

On Nov 19, 2007 1:33 PM, Mike Perkins <mikep at randomtraveller.org.uk> wrote:
>
> Stephen Robertson wrote:
> > I am trying to set up a MythTV box and it has all been going very well
> > until I've tried to add a second tuner card.
> >
> > I'm using two Hauppage Nova-t terrestrial digital decoders. Identical models.
> >
> > The relevant output from lspci
> >
> > Code:
> >
> > 00:0b.0 Multimedia video controller: Conexant CX23880/1/2/3 PCI Video
> > and Audio Decoder (rev 05)
> >         Subsystem: Hauppauge computer works Inc. Unknown device 9002
> >         Flags: bus master, medium devsel, latency 32, IRQ 20
> >         Memory at e5000000 (32-bit, non-prefetchable) [size=16M]
> >         Capabilities: [44] Vital Product Data
> >         Capabilities: [4c] Power Management version 2
> >
> > 00:09.0 Multimedia video controller: Conexant CX23880/1/2/3 PCI Video
> > and Audio Decoder (rev 05)
> >         Subsystem: Hauppauge computer works Inc. Unknown device 9002
> >         Flags: bus master, medium devsel, latency 32, IRQ 19
> >         Memory at e2000000 (32-bit, non-prefetchable) [size=16M]
> >         Capabilities: [44] Vital Product Data
> >         Capabilities: [4c] Power Management version 2
> >
> > Both cards work if they are in the machine by themselves but when they
> > are both in at the same time, one of them can never get a lock when it
> > is being tuned in.
> >
> > I am using Mythbuntu. It automatically set up the tuner cards with the
> > cx8802 driver.
> >
> > Any suggestions?
> >
> With DBV-T cards your system should be loading cx88-dvb first. can you check that?
>
> [I'm running three identical DVB-T cards with no problems.]
>
> Mike Perkins
>
>
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I'm trying to figure out how to check this.  I have found this in
/var/log/syslog that may be of significance

v 19 07:37:02 MythBliss syslogd 1.4.1#21ubuntu3: restart.
Nov 19 07:37:02 MythBliss anacron[8439]: Job `cron.daily' terminated
Nov 19 07:37:02 MythBliss anacron[8439]: Normal exit (1 job run)
Nov 19 07:38:18 MythBliss ntpd[5736]: synchronized to 134.226.81.3, stratum
1
Nov 19 07:39:01 MythBliss /USR/SBIN/CRON[8727]: (root) CMD (  [ -d
/var/lib/php5 ] && find /var/lib/php5/ -type f -cm$
Nov 19 07:39:24 MythBliss ntpd[5736]: synchronized to 130.159.196.118,
stratum 2
Nov 19 07:40:18 MythBliss ntpd[5736]: time reset +0.259428 s
Nov 19 07:45:07 MythBliss ntpd[5736]: synchronized to 134.226.81.3, stratum
1
Nov 19 08:05:01 MythBliss -- MARK --
Nov 19 08:09:01 MythBliss /USR/SBIN/CRON[8760]: (root) CMD (  [ -d
/var/lib/php5 ] && find /var/lib/php5/ -type f -cm$
Nov 19 08:17:01 MythBliss /USR/SBIN/CRON[8773]: (root) CMD (   cd / &&
run-parts --report /etc/cron.hourly)
Nov 19 08:26:29 MythBliss kernel: [62481.614902] cx88[1]/2-mpeg:
cx8802_timeout
Nov 19 08:26:30 MythBliss kernel: [62482.114376] cx88[1]/2-mpeg:
cx8802_timeout
Nov 19 08:26:30 MythBliss kernel: [62482.613839] cx88[1]/2-mpeg:
cx8802_timeout
Nov 19 08:26:31 MythBliss kernel: [62483.113306] cx88[1]/2-mpeg:
cx8802_timeout
Nov 19 08:27:12 MythBliss kernel: [62524.617073] cx88[1]/2-mpeg:
cx8802_timeout
Nov 19 08:27:15 MythBliss kernel: [62527.322187] cx88[1]/2-mpeg:
cx8802_timeout
Nov 19 08:27:17 MythBliss kernel: [62528.760651] cx88[1]/2-mpeg:
cx8802_timeout
Nov 19 08:27:37 MythBliss kernel: [62549.610394] cx88[1]/2-mpeg:
cx8802_timeout
Nov 19 08:27:49 MythBliss kernel: [62561.229980] cx88[1]/2-mpeg:
cx8802_timeout
Nov 19 08:27:51 MythBliss kernel: [62563.347717] cx88[1]/2-mpeg:
cx8802_timeout
Nov 19 08:28:05 MythBliss kernel: [62577.105010] cx88[1]/2-mpeg:
cx8802_timeout
Nov 19 08:28:13 MythBliss kernel: [62584.664924] cx88[1]/2-mpeg:
cx8802_timeout
Nov 19 08:28:15 MythBliss ntpd[5736]: synchronized to 130.88.200.98, stratum
2
Nov 19 08:28:20 MythBliss kernel: [62592.204857] cx88[1]/2-mpeg:
cx8802_timeout
Nov 19 08:28:24 MythBliss kernel: [62596.368400] cx88[1]/2-mpeg:
cx8802_timeout
Nov 19 08:28:26 MythBliss kernel: [62597.806860] cx88[1]/2-mpeg:
cx8802_timeout
Nov 19 08:28:51 MythBliss kernel: [62623.063813] cx88[1]/2-mpeg:
cx8802_timeout
Nov 19 08:29:04 MythBliss kernel: [62635.977971] cx88[1]/2-mpeg:
cx8802_timeout
Nov 19 08:29:05 MythBliss ntpd[5736]: synchronized to 130.159.196.118,
stratum 2
Nov 19 08:29:05 MythBliss ntpd[5736]: time reset -0.195420 s
Nov 19 08:29:30 MythBliss kernel: [62662.672214] cx88[1]/2-mpeg:
cx8802_timeout
Nov 19 08:31:24 MythBliss kernel: [62775.933625] cx88[1]/2-mpeg:
cx8802_timeout