Date: Fri, 28 Mar 2014 17:02:31 +0000 From: Karl Pielorz <kpielorz_lst@tdx.co.uk> To: freebsd-fs@freebsd.org Subject: File system corruption with 9.2-R on PC Engines Alix boards Message-ID: <C7112211D77A121BD752C9B7@Mail-PC.tdx.co.uk>
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We have a number of PC Engines Alix boards, running FreeBSD 8.2. They boot off of an onboard CF cards. I recently installed a new one of these with 9.2-Release (i386) - only to discover that it silently (i.e. with no errors) destroys the file system when in use. Typically we install these systems then flip the file system over to 'read-only' when sending them out. The corruption happens while we're installing various packages etc. We don't run journal soft-updates on these boxes - just regular soft-updates . No console errors are logged, no syslog messages are logged. Just after a while you might go to edit '/etc/rc.conf' - to find when you vi it - it's now become a copy of '/etc/ntp.conf' - or other oddities. A reboot runs fsck - which will usually fail then. Running a foreground check reals off thousands of duplicate errors. If you foreground check the file system, you're usually left with "not a lot" when it's finished (i.e. if you run 'fsck -y /'). 8.2 runs fine (we have systems that have been running embedded for years) - 9.2 doesn't. I found a similar thread: <http://lists.freebsd.org/pipermail/freebsd-stable/2012-March/066697.html>; This eludes to CF card quality etc. - the cards we've been using have worked fine for years - and a 9.2 'flaky' system reformatted to 8.2 then runs fine. Anyone else running later than 8.2 on PC Engine Alix kit? -Karl
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