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Re: [Discuss-gnuradio] installing GR 3.5.2 on FreeBSD

From: Marcus D. Leech
Subject: Re: [Discuss-gnuradio] installing GR 3.5.2 on FreeBSD
Date: Tue, 17 Jan 2012 17:29:15 -0500
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20111108 Fedora/3.1.16-1.fc14 Thunderbird/3.1.16

On 01/17/2012 05:24 PM, Josh Blum wrote:

After the firmware is loaded, the usrp1 re-enumerates, and disappears
from the system for some time. Perhaps that time is longer on your system?

This patch adds a hilariously long timeout. Let me know if that makes it
always work after firmware load: http://pastebin.com/0uUpV2mn

10 seconds?  I'm rolling in the aisles :-)

But seriously, it's conceivable that on FreeBSD, the underlying drivers are doing *something* to make that re-enumeration cause a
  "blackout" for longer than libusb-1.0/UHD is "used to".

We have only a handful of users on *BSD, and it seems that with the change from libusb-0.1 in "classic" to libusb-1.0 in UHD, it's easily possible that this class of problem could live for a very long time before anyone really noticed.

Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium

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