Date: Wed, 30 Apr 2008 11:49:11 -0700 From: Xin LI <delphij@delphij.net> To: Gavin Atkinson <gavin@FreeBSD.org> Cc: FreeBSD Stable <freebsd-stable@FreeBSD.org>, d@delphij.net, John Baldwin <jhb@FreeBSD.ORG> Subject: Re: What does system do after "Uptime: "? Message-ID: <4818BF27.2080209@delphij.net> In-Reply-To: <1209376409.59233.14.camel@buffy.york.ac.uk> References: <481560AC.90109@delphij.net> <1209376409.59233.14.camel@buffy.york.ac.uk>
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Gavin Atkinson wrote: | On Sun, 2008-04-27 at 22:29 -0700, Xin LI wrote: |> Hi, |> |> Just wonder what the system would do after Uptime: during reboot? Will |> there be any callbacks be called? I have received some report regarding |> hangs after this, and IIRC the only operation is to IPI BSP to do reboot? | | Several callbacks are called after that message. Anything that | registers with the shutdown_post_sync or shutdown_final event handler, | for example, and the dump routine if you are using "reboot -d". | | Before trying to diagnose this, however, make sure you are running with | sys/dev/usb/ehci_pci.c 1.30 (which has also been MFC'd to 6/7), as that | seems to have been the cause of most of the recently reported "hangs | after printing uptime" PRs. I see... It seems that this is the culprit. To John: Do you think it's worthy to make this an errata to the supported RELENG_6_X and RELENG_7_0 branches? Cheers, - -- Xin LI <delphij@delphij.net> http://www.delphij.net/ FreeBSD - The Power to Serve! -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.9 (FreeBSD) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iEYEARECAAYFAkgYvycACgkQi+vbBBjt66DamQCgsgnPOzbdjw6do3PKnlyvB0yS TS0An0zct2EJ38BV0V5sJTWN7AsHkFO/ =FG0j -----END PGP SIGNATURE-----
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