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Re: kern/53590: DTrace fbt_getargdesc() fails with "Unknown function"

The following reply was made to PR kern/53590; it has been noted by GNATS.

From: Martin Husemann <>
To: Andreas Gustafsson <>
Subject: Re: kern/53590: DTrace fbt_getargdesc() fails with "Unknown function"
Date: Wed, 31 Jul 2019 12:43:17 +0200

 On Wed, Jul 31, 2019 at 01:32:48PM +0300, Andreas Gustafsson wrote:
 > Last year, I wrote:
 > >  Looks like something in the release build is overriding the 
 > >  makeoptions DEBUG="-g" in GENERIC.
 > I found that "something".  /etc/Makefile contains "-U DEBUG", which
 > was added in the following commit by martin:
 >   revision 1.413
 >   date: 2014-05-05 22:10:00 +0300;  author: martin;  state: Exp;  lines: +2 -2;  commitid: TIGgqdYim0L6Nnzx;
 >   Use the new -U option for config to avoid generating kernel debug info
 >   during release builds. This should save quite some space in the evbarm
 >   build, where makeoptions DEBUG is heavily used.
 > Martin, could you please revert this?  I see three reasons to do so:
 We can test it (or mabye better conditionalize it on MKDTRACE).
 It was necessary back then to get enough space on the  autobuild slaves
 to allow to parallel evb*arm* builds, which caused random failure
 otherwise due to running out of space.
 In the mean time the build cluster has been upgraded, and we reduced the
 number of kernels for evbarm, so it may just work.

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