Re: [Xen-devel] Xen + DVB = not working. memory allocation issue?

[John Krstev <john.krstev@xxxxxxxxx>]

Hi Konrad,

It runs fine under baremetal, using the scan utility it finds channels, or 
using myth tv I can watch digital channels. Under Xen the scan utility gives me 
'filter timeout.' This is under dom0 and also domU when passing through via 
vt-d (pass thru works ok for other devices such as intel on board graphics 
[sandy bridge]). It appears to lock but then time out on receiving data. 

Sorry I meant 3.6-rc6. I've been trying many kernel versions over last couple 
of months without any success. 

Do you have any suggestions? FYI haven't tried the debug options.

Regards,

John

On 22/09/2012, at 3:29, Konrad Rzeszutek Wilk <konrad@xxxxxxxxxx> wrote:

> On Fri, Sep 21, 2012 at 01:02:23PM +1000, John Krstev wrote:
>> Hi Konrad,
> 
> Hey John,
> 
> Please next time also include xen-devel on the To header. I've done that
> for you.
>> 
>> I refer to your patch at:
>> http://lists.xen.org/archives/html/xen-devel/2012-01/msg01927.html
>> which I found reading
>> http://www.gossamer-threads.com/lists/xen/devel/256197
>> 
>> I have a winfast DVT 2000H (cx88) DVB card which is not able to
>> scan/watch digital TV when running under Xen.
> 
> Did you first try running it under baremetal Linux (using a Live CD for
> example?) Did it work there?
> 
> How does it not work? Can you program it? Is this under a guest or the
> main kernel? When it wsa not working, did you try all the debug
> options enable (http://wiki.xen.org/wiki/XenSerialConsole) to
> see if there is anthing being reported?
> 
>> 
>> I've tried installing the above patch to the 3.6-rc6 kernel, but did
>> not seem to help.
>> 
>> Apologies if this has been asked before (I wasn't able to find another
>> patch), but is there a patch to get this (suspected vmalloc_32) fixed
>> and DVB card working?
> 
> Eventually yes.
>> 
>> FYI I'm running 64 bit 3.5-rc6 and xen 4.3-unstable.
> 
> 3.5-rc6 or 3.6-rc6?
> I presume the latter?
>> 
>> Thank you! :)
>> 
>> Regards,
>> 
>> John
>> 

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