Date: Thu, 30 Mar 2017 16:44:45 +0300 From: Andrey Chernov <ache@freebsd.org> To: Bruce Evans <brde@optusnet.com.au> Cc: "Ngie Cooper (yaneurabeya)" <yaneurabeya@gmail.com>, avg@FreeBSD.org, bde@freebsd.org, current@freebsd.org Subject: Re: New syscons bugs: shutdown -r doesn't execute rc.d sequence and others Message-ID: <e4b3dd02-6dd2-0723-eed1-a3fd0be5b651@freebsd.org> In-Reply-To: <1772f54a-4268-577a-8e7f-abce929d39c8@freebsd.org> References: <7d5bbbf0-6908-185c-2ee0-29e0a4f60591@freebsd.org> <D9EAB41D-CE19-4225-8868-F4AFE461F903@gmail.com> <5587c798-d36c-9074-1060-30e206db5571@freebsd.org> <69af07a7-ec8f-9b7f-8b93-9ba148f30fec@freebsd.org> <8C24D1BA-1607-4C19-BA38-39256E82C7AF@gmail.com> <51045bee-a626-efb3-4b1e-0c3d36abb1ab@freebsd.org> <20170329132927.U882@besplex.bde.org> <f35b6ae1-c668-0649-e327-f57811b1d71a@freebsd.org> <20170330150449.R1061@besplex.bde.org> <3534bbeb-9f73-4e37-8f89-c05dd9f89f8c@freebsd.org> <20170330183716.W1655@besplex.bde.org> <4085b441-74ee-796f-adc0-713dfc198b03@freebsd.org> <1772f54a-4268-577a-8e7f-abce929d39c8@freebsd.org>
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On 30.03.2017 12:34, Andrey Chernov wrote: > On 30.03.2017 12:23, Andrey Chernov wrote: >> Yes, only for reboot/shutdown. The system does not do anythings wrong >> even under high load. On reboot or hang those lines are never printed: >> >> kernel: Waiting (max 60 seconds) for system process `vnlru' to stop...done >> kernel: Waiting (max 60 seconds) for system process `bufdaemon' to >> stop...done >> kernel: Waiting (max 60 seconds) for system process `syncer' to stop... >> kernel: Syncing disks, vnodes remaining...5 3 0 1 0 0 done >> kernel: All buffers synced. >> (it is from 10-stable sample, old -current samples are lost) >> >> Moreover, GELI swap deactivation lines are never printed too (I already >> mention that I change swap to normal, but nothing is changed). > > I start to have raw guess that _any_ kernel printf in shutdown mode > cause not printf but premature reboot. Finally I have good news and bad news with today's -current: 1) It seems your latest commit r316136 fix premature reboot issue. 2) I still can't enter KDB using Ctrl-Alt-ESC, while booting, after booting, after login and while shutdown - nothing happens. boot -d enters KDB normally, but the keyboard sequence handler is broken, not boot -d.
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