Date: Fri, 9 Mar 2018 02:06:39 +0000 (UTC) From: Benjamin Kaduk <bjk@FreeBSD.org> To: doc-committers@freebsd.org, svn-doc-all@freebsd.org, svn-doc-head@freebsd.org Subject: svn commit: r51474 - head/en_US.ISO8859-1/books/developers-handbook/kerneldebug Message-ID: <201803090206.w2926dFn037115@repo.freebsd.org>
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Author: bjk Date: Fri Mar 9 02:06:39 2018 New Revision: 51474 URL: https://svnweb.freebsd.org/changeset/doc/51474 Log: Update kgdb instructions The port/package should be used now, and build system changes have moved the kernel images in the object tree to a new location (on newer systems) PR: 226015 Submitted by: Phil Eaton <philneaton95@gmail.com> Modified: head/en_US.ISO8859-1/books/developers-handbook/kerneldebug/chapter.xml Modified: head/en_US.ISO8859-1/books/developers-handbook/kerneldebug/chapter.xml ============================================================================== --- head/en_US.ISO8859-1/books/developers-handbook/kerneldebug/chapter.xml Thu Mar 8 12:51:09 2018 (r51473) +++ head/en_US.ISO8859-1/books/developers-handbook/kerneldebug/chapter.xml Fri Mar 9 02:06:39 2018 (r51474) @@ -169,7 +169,9 @@ <note> <para>This section covers &man.kgdb.1; as found in &os; 5.3 and later. In previous versions, one must use - <command>gdb -k</command> to read a core dump file.</para> + <command>gdb -k</command> to read a core dump file. + Since &os; 12 kgdb is acquired by installing + <package>devel/gdb</package>.</para> </note> <para>Once a dump has been obtained, getting useful information @@ -178,8 +180,12 @@ the crash dump, locate the debug version of your kernel (normally called <filename>kernel.debug</filename>) and the path to the source files used to build your kernel (normally - <filename>/usr/obj/usr/src/sys/<replaceable>KERNCONF</replaceable></filename>, - where <filename><replaceable>KERNCONF</replaceable></filename> + <filename>/usr/obj/usr/src/sys/<replaceable>KERNCONF</replaceable></filename> + or + <filename>/usr/obj/usr/src/<replaceable>amd64.amd64</replaceable>/sys/<replaceable>KERNCONF</replaceable></filename>, + where <filename><replaceable>amd64.amd64</replaceable></filename> + is the architecture and + <filename><replaceable>KERNCONF</replaceable></filename> is the <varname>ident</varname> specified in a kernel &man.config.5;). With those two pieces of info, let the debugging commence!</para>
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