FYI: installation crashes if softupdates enabled for / fs
From: Dan Foster (dsf_at_globalcrossing.net)
Date: 11/30/03
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Date: Sun, 30 Nov 2003 05:02:57 +0000 (UTC)
Just an heads up with the 5.2 code... seems to tickle a VM bug relating to
a mutex when it tries to mark some pages as being dirty in the buffer cache
(while files are being extracted -- typically doesn't get very far in the
base sets before this bug is tickled).
It only happens if *specifically* the / filesystem has softupdates enabled.
So the current workaround is to disable softupdates on / filesystem if
you're doing an installation for 5.2. I think you can enable softupdates on
/ if you like, post-installation... just not for the actual installation.
It also doesn't seem to be an issue if you do a 5.2 install via buildworld
and installworld, so it's more likely an issue for users doing a CD
install, typically a new system 'from scratch'.
Considering the bug is deep in the guts of the VM, I don't know if it can
be fixed for 5.2-RELEASE. I'm not much of a kernel or VM person, but I can
follow the code path ok... however, it loses me with mutexes. :)
http://www.freebsd.org/cgi/query-pr.cgi?pr=59792
-Dan
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