Date: Sun, 03 Jul 2005 01:03:37 -0000 From: John Baldwin <jhb@FreeBSD.org> To: "David E. O'Brien" <obrien@FreeBSD.org> Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/conf kern.pre.mk Message-ID: <200501172236.37117.jhb@FreeBSD.org> In-Reply-To: <200501180332.j0I3Wrw3004466@repoman.freebsd.org> References: <200501180332.j0I3Wrw3004466@repoman.freebsd.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Monday 17 January 2005 10:32 pm, David E. O'Brien wrote: > obrien 2005-01-18 03:32:53 UTC > > FreeBSD src repository > > Modified files: > sys/conf kern.pre.mk > Log: > While we're building kernels -g (ie, makeoptions DEBUG=-g), use -O as it > provides truer debugger stack traces. For those that want to stick with > -O2 kernel builds, one should probably add -fno-optimize-sibling-calls > so that each stack frame as a frame pointer. > It is semi-promissed by the Release Engineers that when RELENG_6 is > created we go back to -O2. > > Desired by: scottl, jhb Thank you. To world: this change fixes the problem of "missing": frames in ddb backtraces that have been happening recently. -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200501172236.37117.jhb>