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Tue, 23 Jan 2024 19:47:26 -0500 (EST) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.11.0-alpha0-119-ga8b98d1bd8-fm-20240108.001-ga8b98d1b List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@freebsd.org MIME-Version: 1.0 Message-Id: <8db9d82d-37a8-472a-adbf-4565748adac4@app.fastmail.com> Date: Wed, 24 Jan 2024 00:47:05 +0000 From: void To: freebsd-current@freebsd.org Subject: loading vmm.ko crashes main-n267684-e4b646ce1610 Content-Type: text/plain X-Spamd-Bar: ---- X-Spamd-Result: default: False [-4.09 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-1.00)[-1.000]; DMARC_POLICY_ALLOW(-0.50)[f-m.fm,none]; R_DKIM_ALLOW(-0.20)[f-m.fm:s=fm3,messagingengine.com:s=fm3]; R_SPF_ALLOW(-0.20)[+ip4:64.147.123.21]; MIME_GOOD(-0.10)[text/plain]; RCVD_IN_DNSWL_LOW(-0.10)[64.147.123.21:from]; XM_UA_NO_VERSION(0.01)[]; RCPT_COUNT_ONE(0.00)[1]; ASN(0.00)[asn:29838, ipnet:64.147.123.0/24, country:US]; MIME_TRACE(0.00)[0:+]; DWL_DNSWL_NONE(0.00)[messagingengine.com:dkim]; FREEMAIL_FROM(0.00)[f-m.fm]; FREEMAIL_ENVFROM(0.00)[f-m.fm]; ARC_NA(0.00)[]; MLMMJ_DEST(0.00)[freebsd-current@freebsd.org]; RCVD_COUNT_THREE(0.00)[3]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; RCVD_TLS_LAST(0.00)[]; TO_DN_NONE(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[freebsd-current@freebsd.org]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DKIM_TRACE(0.00)[f-m.fm:+,messagingengine.com:+] X-Rspamd-Queue-Id: 4TKQKD5181z45kP Hello, Loading vmm either via vmm_load=YES in /boot/loader.conf or manually via kldload vmm crashes the system to db> prompt as shown in the link below: http://void.f-m.fm.user.fm/Screenshot_20240122_135539.png Thing is, access is via a html5 console with no up/down scrolling or buffer. Nothing can be entered into the db> prompt. There's plenty more information when it crashes, but the output scrolls off the top. The main-n267684 is running a modified GENERIC-NODEBUG kernel and has debugging turned off in /etc/src.conf (it has WITHOUT_ASSERT_DEBUG= and WITHOUT_DEBUG_FILES= and WITH_MALLOC_PRODUCTION=) Apart from turning these on again and rebuilding GENERIC, what other things need to be set to get a usable coredump when this happens? /var/crash has nothing in it. thanks in advance for any assistance --