Date: Wed, 24 Nov 2004 12:49:08 +0100 From: Matthias Andree <ma@dt.e-technik.uni-dortmund.de> To: freebsd-stable@freebsd.org, freebsd-current@freebsd.org Subject: 5-STABLE softupdates issue? Message-ID: <m3zn17a2mj.fsf@merlin.emma.line.org>
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Greetings, out of fun and to investigate claims about alleged bgfsck resource hogging (which I could not reproduce) posted to news:de.comp.os.unix.bsd, I pressed the reset button on a live FreeBSD 5-STABLE system. Upon reboot, fsck -p complained about an unexpected softupdates inconsistency on the / file system and put me into single user mode, the manual fsck / then asked me to agree to increasing a link count from 21 to 22 (and later to fix the summary, which I consider a non-issue). A subsequent fsck -p / ended with no abnormality detected. Unfortunately, I haven't copied the details, assuming they would be copied into the log, but they haven't. Is this a situation the current 5-STABLE softupdates code (on a UFS1 FS that I kept from FreeBSD 4) is allowed to cause? Is that a bug in the file system, say, write ordering goofed up? Or is that a bug in the firmware of my disk drive (Western Digital Caviar AC420400D, a rebranded IBM DJNA drive)? I gather that ATA drives are supposed to flush their caches on software (command) and hardware resets (reset line active). I did not power cycle. -- Matthias Andree
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