[vdr] Re: GRAB frezes the SVDRP channel

[Klaus Schmidinger <Klaus.Schmidinger@cadsoft.de>]

Jan Ekholm wrote:
> 
> Hi,
> 
> While doing remote testing (over ssh) of the new 1.3.2 I've tried to grab
> images from the currently shown channel using SVDRP. It somehow just
> freezes when I at the SVDRP prompt type something like:
> 
> grab /tmp/file.jpg
> 
> or:
> 
> grab foo.jpg
> 
> lste
> .... <lots of output>
> 215-e
> 215-c
> 215 End of EPG data
> chan 1
> 250 1 YLE TV1
> grab /tmp/test.jpg
> 
> Connection closed by foreign host.
> %
> 
> So VDR apparently crashes doing the GRAB command? The log says this (a
> freshly restarted VDR):
> 
> 11:09:26 vdr[9479]: setting watchdog timer to 60 seconds
> 11:09:33 vdr[9479]: max. latency time 1 seconds
> 11:09:37 vdr[9484]: CAM: Conax 4.00e, 01, 0B00, 04B1
> 11:09:49 vdr[9479]: connect from 127.0.0.1, port 33136 - accepted
> 11:09:52 vdr[9479]: switching to channel 2
> 11:09:54 vdr[9485]: changing id of channel 1 from 0-0-17-0 to 15-3-17-0
> 11:09:54 vdr[9485]: changing id of channel 2 from 0-0-33-0 to 15-3-33-0
> 11:09:54 vdr[9485]: changing id of channel 3 from 0-0-81-0 to 15-3-81-0
> 11:09:54 vdr[9485]: changing id of channel 5 from 0-0-193-0 to 15-3-193-0
> 11:09:54 vdr[9485]: changing id of channel 4 from 0-0-209-0 to 15-3-209-0
> 11:09:54 vdr[9485]: changing id of channel 19 from 0-0-289-0 to 15-3-289-0
> 11:09:54 vdr[9485]: changing id of channel 15 from 0-0-272-0 to 15-3-272-0
> 11:09:54 vdr[9485]: changing id of channel 16 from 0-0-274-0 to 15-3-274-0
> 11:09:54 vdr[9485]: changing id of channel 17 from 0-0-275-0 to 15-3-275-0
> 11:09:54 vdr[9485]: changing id of channel 18 from 0-0-276-0 to 15-3-276-0
> 11:09:54 vdr[9485]: creating new channel 'test' on C transponder 162 with
> id 15-3-8212-0
> 11:09:55 vdr[9485]: changing transponder data of channel 1 from
> C:162:4:6900:9 to C:162000:4:6900:0
> 11:09:55 vdr[9485]: changing transponder data of channel 2 from
> C:162:4:6900:9 to C:162000:4:6900:0
> 11:09:55 vdr[9485]: changing transponder data of channel 3 from
> C:162:4:6900:9 to C:162000:4:6900:0
> 11:09:55 vdr[9485]: changing transponder data of channel 4 from
> C:162:4:6900:9 to C:162000:4:6900:0
> 11:09:55 vdr[9485]: changing transponder data of channel 5 from
> C:162:4:6900:9 to C:162000:4:6900:0
> 11:09:55 vdr[9485]: changing transponder data of channel 15 from
> C:162:4:6900:9 to C:162000:4:6900:0
> 11:09:55 vdr[9485]: changing transponder data of channel 16 from
> C:162:4:6900:9 to C:162000:4:6900:0
> 11:09:55 vdr[9485]: changing transponder data of channel 17 from
> C:162:4:6900:9 to C:162000:4:6900:0
> 11:09:55 vdr[9485]: changing transponder data of channel 18 from
> C:162:4:6900:9 to C:162000:4:6900:0
> 11:09:55 vdr[9485]: changing transponder data of channel 19 from
> C:162:4:6900:9 to C:162000:4:6900:0
> 11:09:55 vdr[9485]: changing transponder data of channel 83 from
> C:162:4:6900:9 to C:162000:4:6900:0
> 11:09:55 vdr[9485]: changing pids of channel 83 from 0+0:0,0;0,0:0 to
> 2221+2221:2231,2232;0,0:768
> 11:09:55 vdr[9485]: changing caids of channel 83 from 0 to B00
> 11:09:55 vdr[9479]: retuning due to modification of channel 2
> 11:09:55 vdr[9479]: switching to channel 2
> 11:10:10 vdr[9479]: switching to channel 1
> 11:11:23 vdr[9479]: PANIC: watchdog timer expired - exiting!
> 
> This is with 1.3.2 and the recommended drivers. A one card system with a
> full Hauppauge DVB-c. 1.2.6pre4 did exactly the same, ie crashed when I
> did the GRAB.

I just tried this and it worked just fine (except for the "first GRAB is gray"
problem). No crash, no hang.

> I've actually never seen GRAB work, when it hasn't crashed
> it has given me an image of correct size but always one solid color (gray,
> I think).
> 
> Is this expected behaviour, ie a known bug? I haven't seen anything
> related to this on the list for ages, so I assume others don't have this
> problem.

The first grabbed image is always gray. Looks like a driver bug...

> Hm, after a restart VDR finds no channels at all... Interesting.

What do you mean? Is there an error message?

Klaus


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