Re: Multiple Mantis devices gives me glitches

2011-12-14 Thread Vidar Tyldum
13.12.2011 22:56, Marko Ristola: > Here is another patch that I wrote for my DVB HDTV network delivery glitches > problem. > It might help you a bit also: > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commit;h=38e009aac9e02d2c30fd9a5e979ab31433e7d578 I started seeing glitches ag

Re: Multiple Mantis devices gives me glitches

2011-12-13 Thread Marko Ristola
13.12.2011 20:11, Vidar Tyldum kirjoitti: 13.12.2011 08:31, Marko Ristola: Hi Here is a patch that went into Linus GIT this year. It reduces the number of DMA transfer interrupts into one third. Linus released 2.6.38.8 doesn't seem to have this patch yet Good news, combining this patch with

Re: Multiple Mantis devices gives me glitches

2011-12-13 Thread Vidar Tyldum
13.12.2011 08:31, Marko Ristola: > > Hi > > Here is a patch that went into Linus GIT this year. > It reduces the number of DMA transfer interrupts into one third. > Linus released 2.6.38.8 doesn't seem to have this patch yet Good news, combining this patch with IRQ management fixes the problem f

Re: Multiple Mantis devices gives me glitches

2011-12-13 Thread Vidar Tyldum
(sorry for breaking the threading, the reply came faster than my subscription to the list :) >From Ninja , > Hi, I noticed some SMP problems with the mantis driver as well (see my > post "Mantis CAM not SMP safe / Activating CAM on Technisat Skystar HD2 > (DVB-S2)"). One workaround for me is to li

Re: Multiple Mantis devices gives me glitches

2011-12-13 Thread Vidar Tyldum
Marko Ristola, on 13.12.2011 08:31: > Here is a patch that went into Linus GIT this year. > It reduces the number of DMA transfer interrupts into one third. > Linus released 2.6.38.8 doesn't seem to have this patch yet. Thank you very much. I did see this patch mentioned in my quest for more know

Re: Multiple Mantis devices gives me glitches

2011-12-12 Thread Ninja
Hello, I have three Cinergy C (DVB-C cards) like this: 05:04.0 Multimedia controller: Twinhan Technology Co. Ltd Mantis DTV PCI Bridge Controller [Ver 1.0] (rev 01) Subsystem: TERRATEC Electronic GmbH Device 1178 Flags: bus master, medium devsel, latency 128, IRQ 20

Re: Multiple Mantis devices gives me glitches

2011-12-12 Thread Marko Ristola
Hi Here is a patch that went into Linus GIT this year. It reduces the number of DMA transfer interrupts into one third. Linus released 2.6.38.8 doesn't seem to have this patch yet. I had a single Mantis card and a single CPU. I used VDR to deliver HDTV channel via network into a faster computer

Multiple Mantis devices gives me glitches

2011-12-12 Thread Vidar Tyldum
Hello, I have three Cinergy C (DVB-C cards) like this: 05:04.0 Multimedia controller: Twinhan Technology Co. Ltd Mantis DTV PCI Bridge Controller [Ver 1.0] (rev 01) Subsystem: TERRATEC Electronic GmbH Device 1178 Flags: bus master, medium devsel, latency 128, IRQ 20 Memory