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Re: [Discuss-gnuradio] number of blocks in a burst over USB

From: George Nychis
Subject: Re: [Discuss-gnuradio] number of blocks in a burst over USB
Date: Wed, 30 May 2007 15:50:50 -0400
User-agent: Thunderbird (X11/20070422)

Eric Blossom wrote:
> What values are you using for fusb_block_size and fusb_nblocks in the 
> constructor?
I've kept fusb_nblocks fixed at 16, and tried 4096 and 8192 for 

> Have you checked the kernel logs?  Is it oopsing?

I have checked the logs, they are clean of anything that would provide a hint.  
It is not
oopsing it seems.  The last thing in the logs is always me plugging in the USRP:
May 30 13:30:53 cyprus usb 1-7: new high speed USB device using ehci_hcd and 
address 24
May 30 13:30:53 cyprus usb 1-7: configuration #1 chosen from 1 choice
May 30 13:40:05 cyprus cron[15097]: (root) CMD (test -x /usr/sbin/run-crons &&
/usr/sbin/run-crons )
May 30 08:44:12 cyprus syslog-ng[4702]: syslog-ng version 1.6.11 starting

> How much ram is in your machine?
1GB in all 3 machines with P4's and hyperthreading enabled

> What kernel are you running?
2.6.19 on two of the machines, 2.6.22-rc1 on the other

> You're running Gentoo, right?  What version?

Gentoo 2007.0 profile

libusb is 0.1.12-r1

- George

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