Saturday, May 28, 2016

[Discuss-gnuradio] FW: Alignment bug fix


This should have gone to the listserve.... can you send it since it failed from me?

----- Forwarded message -----
From: "Bill Clark" <saikou@vt.edu>
To: "Philip Balister" <philip@balister.org>, "Robert McGwier" <rwmcgwier@gmail.com>, "GnuRadio Discuss GnuRadio" <Discuss-gnuradio@gnu.org>
Subject: [Discuss-gnuradio] Alignment bug fix
Date: Fri, May 27, 2016 1:11 PM

The fir_filter kernel. It was a 64-bit issue (unsigned long) vs (size_t).    The commit that fixed the problem was done by gnieboer, SHA:  f2d5e94ba893f5ce215e4ea5c91648a41bb5d148    -Bill    On 05/27/2016 12:59 PM, Philip Balister wrote:  > On 05/27/2016 09:43 AM, Robert McGwier wrote:  >> Recently a kernel alignment bug was fixed (ugly) and this repaired the  >> polyphase synthesis engine in the main code.  > A fix in the Linux kernel? Or somewhere else. A reference to the commit  > would be handy for people running across this issue.  >  > Philip  >  >  >> My PhD student, Bill Clark (Amateur Radio call KK4EWQ) at Virginia Tech,  >> has suffered with and pointed out this problem with the synthesizer for  >> some time.  >>  >> He wrote an out of tree module to correct the difficulty he was  >> experiencing but we now believe this work is no longer needed.  >>  >> Thanks for fixing the bug and thanks to Bill for his hard work at VT.  >>  >> Bob McGwier  >> Professor Electrical and Computer Engineering, VT  >> N4HY  >>  >>  >>  >>  >>  >> _______________________________________________  >> Discuss-gnuradio mailing list  >> Discuss-gnuradio@gnu.org  >> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio  >>      

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