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Hermes SMTP Server) with ESMTPA ID 7dd15b21c03d520ccf93ee068cf6f2f1; Sun, 15 Dec 2024 05:42:14 +0000 (UTC) From: Mark Millard Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable List-Id: Production branch of FreeBSD source code List-Archive: https://lists.freebsd.org/archives/freebsd-stable List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: freebsd-stable@freebsd.org Sender: owner-freebsd-stable@FreeBSD.org Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3826.300.87.4.3\)) Subject: 13.4-RELEASE : freebsd-update fetch-then-install updated kernel but not /usr/lib/debug/boot/kernel/kernel.debug Message-Id: <54A00F42-AF4D-440D-99E9-AFF3642C97CE@yahoo.com> Date: Sat, 14 Dec 2024 21:42:00 -0800 To: FreeBSD-STABLE Mailing List X-Mailer: Apple Mail (2.3826.300.87.4.3) References: <54A00F42-AF4D-440D-99E9-AFF3642C97CE.ref@yahoo.com> X-Spamd-Result: default: False [-3.50 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-1.00)[-1.000]; MV_CASE(0.50)[]; DMARC_POLICY_ALLOW(-0.50)[yahoo.com,reject]; R_SPF_ALLOW(-0.20)[+ptr:yahoo.com]; R_DKIM_ALLOW(-0.20)[yahoo.com:s=s2048]; MIME_GOOD(-0.10)[text/plain]; TO_DN_ALL(0.00)[]; RCVD_TLS_LAST(0.00)[]; FREEMAIL_FROM(0.00)[yahoo.com]; DWL_DNSWL_NONE(0.00)[yahoo.com:dkim]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; FROM_HAS_DN(0.00)[]; FREEMAIL_ENVFROM(0.00)[yahoo.com]; MLMMJ_DEST(0.00)[freebsd-stable@freebsd.org]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; DKIM_TRACE(0.00)[yahoo.com:+]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; RWL_MAILSPIKE_POSSIBLE(0.00)[98.137.66.148:from]; ASN(0.00)[asn:36647, ipnet:98.137.64.0/20, country:US]; RCVD_IN_DNSWL_NONE(0.00)[98.137.66.148:from] X-Rspamd-Queue-Id: 4Y9sR1738fz46Gm X-Spamd-Bar: --- I was looking have a context to be able to use kgdb for looking at a 13.4-RELEASE-p2 (so: a 13.4-RELEASE-p1 kernel). To get a set of files for 13.4-RELEASE-p2 I had to start from a 13.4-RELEASE and use freebsd-update : there is no direct download of a kernel*.txz set or other such for the patched kernel, so far as I can tell. But the freebsd-update update-then-install sequence: ) Updated boot/kernel/kernel (and more) yet: ) Did not update usr/lib/debug/boot/kernel/kernel.debug After the update, kgdb reports for the updated context: warning: the debug information found in = "/usr/lib/debug//boot/kernel/kernel.debug" does not match = "/boot/kernel/kernel" (CRC mismatch). And I diff'd before-vs-after copies of usr/lib/debug/boot/kernel/kernel.debug and it did not have a change of content, nor did its modification date change. How is one supposed to investigate via, say, panic backtrace addresses and such of a patched vintage of the likes of 13.4-RELEASE and its patched kernel? Does it require setting up an environment for rebuilding from source that will happen to accurately reproduce what the official build produced? I'd rather avoid the question of if a configuration for (re-)building is the cause of a difference vs. other potential causes of differences: I wish there were known-good download files to use for reference. I'll note that technically, for what I was attempting to do, I should only need expanded kernel.txz , kernel-dbg.txz , and src.txz files if they were for the right patch level. It is the need to use freebsd-update that leads to involving far more. Somewhat related Side note . . . As noted in: = https://lists.freebsd.org/archives/freebsd-pkgbase/2024-December/000483.ht= ml the likes of a PkgBase 14.2-RELEASE vs. a set of the *.txz for the "same" 14.2-RELEASE are not a full match, apparently with: ) pad byte differences ) Differences in memory layout for .rodata through .eh_frame . (File paths are recorded that have differing lengths, for example.) =3D=3D=3D Mark Millard marklmi at yahoo.com