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dkim=pass header.d=citrix.com header.s=securemail header.b=Gdg6Z2Lp; dkim=pass header.d=citrix.onmicrosoft.com header.s=selector2-citrix-onmicrosoft-com header.b="xQtv0f/R"; arc=pass ("microsoft.com:s=arcselector9901:i=1"); dmarc=pass (policy=reject) header.from=citrix.com; spf=pass (mx1.freebsd.org: domain of "prvs=1504b46c8=roger.pau@citrix.com" designates 216.71.155.168 as permitted sender) smtp.mailfrom="prvs=1504b46c8=roger.pau@citrix.com" X-Spamd-Result: default: False [-6.20 / 15.00]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+exists:216.71.155.168.spf.hc3370-68.iphmx.com]; RCVD_DKIM_ARC_DNSWL_MED(-0.50)[]; RCVD_COUNT_THREE(0.00)[4]; DKIM_TRACE(0.00)[citrix.com:+,citrix.onmicrosoft.com:+]; RCPT_COUNT_TWO(0.00)[2]; DMARC_POLICY_ALLOW(-0.50)[citrix.com,reject]; RCVD_IN_DNSWL_MED(-0.20)[216.71.155.168:from]; MIME_TRACE(0.00)[0:+]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:16417, ipnet:216.71.154.0/23, country:US]; FROM_NEQ_ENVFROM(0.00)[roger.pau@citrix.com,prvs=1504b46c8=roger.pau@citrix.com]; ARC_ALLOW(-1.00)[microsoft.com:s=arcselector9901:i=1]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[citrix.com:s=securemail,citrix.onmicrosoft.com:s=selector2-citrix-onmicrosoft-com]; FROM_HAS_DN(0.00)[]; NEURAL_HAM_SHORT(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[text/plain]; FORGED_SENDER_VERP_SRS(0.00)[]; DWL_DNSWL_LOW(-1.00)[citrix.com:dkim]; TO_MATCH_ENVRCPT_SOME(0.00)[]; MLMMJ_DEST(0.00)[freebsd-xen]; MID_RHS_NOT_FQDN(0.50)[] X-ThisMailContainsUnwantedMimeParts: N On Tue, Jun 07, 2022 at 12:57:39AM -0700, Brian Buhrow wrote: > hello. I shut the system down with: > shutdown -r. > I notice that, compared to NetBSD, FreeBSD shuts down very quickly. I'm also aware that the > NetBSD domu's don't seem to know anything about the xenbus shutdown notifications they receive > from xen. I wonder if I need to generate some kind of ACPI notification instead? > On the other hand, I'm not sure the FreeBSD domu I have running shuts down cleanly either. > > But, couldn't the xen daemons pause the system shutdown process long enough to do a destroy on > any domu's that don't respond and then close things cleanly so at least the dom0 doesn't panic > on the way down? Yes, I think we are missing a xendomains init script, see as examples: http://xenbits.xen.org/gitweb/?p=xen.git;a=blob;f=tools/hotplug/Linux/init.d/xendomains.in;h=dcd330cb8d5df137b493848bcde0b86f62c4acb1;hb=HEAD http://xenbits.xen.org/gitweb/?p=xen.git;a=blob;f=tools/hotplug/NetBSD/rc.d/xendomains;h=edc4495317e7c97f77d295f3068647b07a871f5a;hb=HEAD That shuts down (or destroys) all guests when dom0 shutdowns. Regardless of this dom0 should not panic when shutting down with active guests. I will try to reproduce the issue on my end so that dom0 kernel doesn't panic. Would you like to try adding a xendoomain init script to FreeBSD? Thanks, Roger.