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Re: [Discuss-gnuradio] Problem with PCI-DAS4020/12
From: |
Eric Blossom |
Subject: |
Re: [Discuss-gnuradio] Problem with PCI-DAS4020/12 |
Date: |
Fri, 13 Jun 2003 20:03:10 -0700 |
User-agent: |
Mutt/1.4i |
On Thu, Jun 12, 2003 at 02:29:07PM -0400, Ricky Hussmann wrote:
> Hello all,
>
> Sorry to bother the list with this problem, but I cannot subscribe to
> the bug
> list for gnu radio. Has anyone else had the following problem?
>
> I can run example programs using the PCI-DAS4020/12 with no
> problem. However, the problem arises when I try to use the device
> again by running another exmaple program. For example, the first
> time I run adc3_fft it works fine. However, as soon as I run
> adc3_fft again or any other program that uses the PCI-DAS4020/12, my
> PC locks up.
The 0.6 tarball's got a nasty memory leak.
Here's the fix:
in kernel/mc4020.c, function mc4020_vma_nopage
Comment out this line and rebuild
// get_page (page); // increment use count
> I'm assuming this is a problem concerning the use of resources. Is
> there a function to release the resources the board is using? Any
> clues at all? I appreciate your feedback and thank you in advance
> for any help.
Eric