[vdr] Re: Problems with the new firmware

["Rene Bartsch" <vdr@bartschnet.de>]

----- Original Message -----
From: "Antti O Lammi" <alammi@cc.helsinki.fi>
To: <vdr@linuxtv.org>; <linux-dvb@linuxtv.org>
Sent: Thursday, September 12, 2002 10:03 AM
Subject: [vdr] Problems with the new firmware


>
> I have a TT DVB-C v2.1 card running. The problem is, that the new firmware
> keeps crashing.
> First it used to crash every now and then, when doing time-shifting. Now
> it crashes every time I do timeshifting and try fast forward. Fast forward
> works for a few seconds then a crash. After the crash and "Convergence"
> text fastforward continues (and does not crash anymore because the
> recording has stopped now?), but I have no control of VDR any more.
> Also if doing two recordings at once, I get "pixeling effect" or packet
> drops to live TV. Also a crash might occur.
>
> After some research, I noticed that the DSP chip, the one that says
> AV7111 (Not AV7110) is quite hot if doing time-shifting. After a crash it
> cools down almost immediately. Is it possible I'm suffering of heat
> problems, since these crashes are really really random, and they seem to
> depend on moondots or something. Maybe a heatsink clued on it might help?
> Atleast a fan did not seem to help.
>
> I've tested the drivers Klaus supplied with VDR 1.1.9 announcement, and
> the latest newstruct drivers (with one buf[] line modified, of course).
>

The old Rev. 1.3 cards had a lot of trouble with heat. The newer 2.1
revisions
keep cooler, but the new time-shifting causes a lot of load for the ARM.
Only a fan won't work as there are no fins to transport the heat.
You have to mount a cooler.

Rene