Date: Tue, 28 Oct 2014 23:09:12 +0100 From: Walter Hop <freebsd@spam.lifeforms.nl> To: freebsd-stable@FreeBSD.org Subject: Re: System hang on shutdown when running freebsd-update Message-ID: <2B4EEDA7-C3D9-465A-B0C9-B5728D438077@spam.lifeforms.nl>
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[Apologies for not replying directly to the thread; I found it at https://lists.freebsd.org/pipermail/freebsd-stable/2014-October/080595.html ] I noticed this same hang after upgrading from 10.0-RELEASE to 10.1-RC3 in a VM running under VMware Fusion, so the problem appears still present. I could only make it happen in the single uptime just after the system was freebsd-updated from FreeBSD 10.0 to 10.1-RC3. Here is a screenshot: http://lf.ms/wait-for-reboot.png It did not make any progress after 2 hours of waiting. When restarting the VM, the disk was dirty. Some interesting facts: - Note "swapoff: /dev/da0p2: Cannot allocate memory" in the screenshot which might pose a clue. I haven’t seen this normally. - FreeBSD does respond to ping while it is busy, so it is not a complete "freeze". - The VM is at 100% CPU while this is going on. I have created a snapshot of the VM in the failed state, so maybe some useful information could be retrieved from it, although I don’t have any experience with kernel debugging over VMware. Cheers, WH -- Walter Hop | PGP key: https://lifeforms.nl/pgp
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