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From: | Dominik Auras |
Subject: | Re: [Discuss-gnuradio] usrp_siggen.py underruns |
Date: | Wed, 11 Feb 2009 21:18:58 +0100 |
User-agent: | Thunderbird 2.0.0.19 (X11/20090105) |
Hi!
What kind of an EHCI controller do you have? We've come across some that won't support 32MB/s on transmit.
http://www.asus.com/products.aspx?modelmenu=1&model=2593&l1=3&l2=179&l3=815&l4=0 Intel X58 chipset on an Asus P6 Deluxe. We are using the onboard controller. test_usrp_standard_tx reports xfered 1.34e+08 bytes in 4.19 seconds. 3.2e+07 bytes/sec. cpu time = 0 0 underrunsIdentical behavior on another machine, which has Athlon 64 X2 and hence different mainboard and chipset, definitely no Intel chipset. But I am not at the institute and can't tell you the controller name at the moment (but tomorrow, if you need it).
Dominik
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