Date: Sat, 01 Apr 1995 05:22:52 -0800 From: David Greenman <davidg@Root.COM> To: Kai.Vorma@hut.fi Cc: current@FreeBSD.org Subject: Re: panic: update: rofs mod Message-ID: <199504011322.FAA01508@corbin.Root.COM> In-Reply-To: Your message of "Sat, 01 Apr 95 16:05:16 %2B0300." <199504011305.QAA05147@vinkku.hut.fi>
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># reboot >syncing disks... done >fs = / >panic: update: rofs mod There is a check in FFS for attempts to write out dirty buffers on a read-only filesystem. I was able to get the machine to panic with the above on reboot by using tunefs on / (I must have incorrectly used the block special device). I suppose there is a bug somewhere not returning EROFS when writing to RO-mounted block devices. I seem to recall that prior to 4.4-lite the system wouldn't let you do anything with a mounted block device. -DG
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