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[Xen-users] Does the amount of main memory influence PCI pass through (D
| To: | Xen User-List <xen-users@xxxxxxxxxxxxxxxxxxx> |
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| Subject: | [Xen-users] Does the amount of main memory influence PCI pass through (DMA) capability? |
| From: | Stephan Austermühle <au@xxxxxxx> |
| Date: | Sat, 27 Jun 2009 21:48:28 +0200 |
| Delivery-date: | Sat, 27 Jun 2009 12:49:22 -0700 |
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Hi there,
after solving a lot of problems with my DVB-S card it finally ran fine in my
domU (3.3.2-rc2, 64 bit, Debian Lenny kernel 2.6.26-2, 64 bit). However, my
memory upgrade kit arrived so I upgraded main memory from 16 gbytes to 32
gbytes. Since then I have a lot of strange issues which are all looking like no
data is transfered from the DVB-S card to the domU. When running the tool
"dvbtraffic" I get the following message on the console:
cx8802_start_dma() Failed. Unsupported value in .mpeg (0x00000001)
Does the amount of main memory influence the capability to use DMA transfers?
I don't see any other error message (xm dmesg, xm log, dom0 logs, domU logs).
Do I have a chance to get more debug information on this?
Kind regards,
Stephan
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