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From: Steven Toth <stoth@linuxtv.org>
To: stev391@email.com
Cc: linux dvb <linux-dvb@linuxtv.org>
Subject: Re: [linux-dvb] cx23885 driver and DMA timeouts
Date: Sat, 21 Jun 2008 08:54:39 -0400	[thread overview]
Message-ID: <485CFA0F.9020407@linuxtv.org> (raw)
In-Reply-To: <20080621052211.5D76732675A@ws1-8.us4.outblaze.com>


> As soon as I try to access both cards at the same time it breaks and 
> only a full computer restart will fix it, i have tried unloading all the 
> modules that I can find that this card uses and loading them again. I 
> get the syslog attached below (cx23885 with debug =1).  It doesn't 
> matter what progam i use to access them (tried gxine, totem, mythtv) it 
> all works the same, only one at a time or it breaks.

If the vidb and vidc (ts1 / ts2) bridge streams each single channel 
correctly, but not both together then this is either a sram 
configuration issue (the risc engine's workspace is being corrupted by 
another risc channel), or your system has a pcie compatibility issue.

I've seen both of these issues in the past.

I don't have a hardware product with demodulators on vidb and c, so 
that's not something I can repro.

Can you dual boot the same system under windows and remove any pcie 
compatibility doubts?

- Steve




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  reply	other threads:[~2008-06-21 12:55 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-06-21  5:22 [linux-dvb] cx23885 driver and DMA timeouts stev391
2008-06-21 12:54 ` Steven Toth [this message]
  -- strict thread matches above, loose matches on Subject: below --
2008-06-22 12:10 stev391
2008-06-23 12:51 ` Steven Toth
2008-06-25 22:32 stev391
2008-06-25 22:53 ` Steven Toth

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