Hi there, I´d try and disable all onboard hardware that´s not needed, if there is any. Also try an switch PCI cards around to see if you can get the PVR 150 alone on one bus, http://www.intel.com/products/chipsets/5000x/index.htm
Good luck /Henrik On 7/28/07, Simon DiMaio <[EMAIL PROTECTED]> wrote: > > Hello All, > > I'm having a real uphill battle trying to get a PVR-150 card working on a > new Dell Precision 690 machine. It looks like this is the dreaded DMA > problem, and I realize that this issue has had a lot of airtime on this > list. Therefore, I've spent a lot of time picking though the list archive > trying many of the ideas and solutions that have already been suggested. No > luck, unfortunately. > > In a nutshell, the ivtv driver is loading fine, firmware is fine, and I > see /dev/video0, /dev/video24 and /dev/video32. A "cat /dev/video0 > > test.mpg" streams <130kb and then simply stops. The message log is > attached - showing ivtv initialization and the DMA errors that occur during > the "cat". Further attempts to stream from the card yield 0 bytes. The only > way to reset the card is to do a cold boot with quite a long wait time > before restarting. After successfully resetting the card, I seem to be able > to get a constant stream from "/dev/video32", but haven't been able to > establish whether this is reliable. Next time I manage to get these things > to start up correctly, I'll give it a try. > > System details: > > uname -a > Linux localhost.localdomain 2.6.9-5.ELsmp #1 SMP Wed Jan 5 19:29:47 EST > 2005 x86_64 x86_64 x86_64 GNU/Linux > > /proc/interrupts, lspci and lsmod output attached. > > There are actually three PVR-150 boards in this machine at the moment (as > seen in dmesg output), but have tried with one board in the machine at a > time - no difference in symptoms. > > As you can see, I'm running an old 2.6.9 SMP kernel from RHEL4. We're > somewhat stuck with this kernel due to project compatibility reasons. This > explains why "ivtv 0.4.10". The machine has two quad-core processors, > hence the SMP kernel. > > I've tried: > 1) playing with the PCI latency numbers as suggested on this list, > 2) stopping the cpuspeed service, > 3) running in PIO mode (setting IVTV_ENC_PIO=1 does not seem to make any > difference). > 4) ivtv version 0.4.3. > > Has anybody experienced this issue lately? Any suggestions would be > greatly appreciated, since I've now run out of ideas! :( > > Thanks in advance, > Simon > > > > > > _______________________________________________ > ivtv-users mailing list > [email protected] > http://ivtvdriver.org/mailman/listinfo/ivtv-users > >
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