Date: Fri, 18 Apr 2014 22:13:10 +0000 (UTC) From: Walter Hurry <walterhurry@gmail.com> To: freebsd-questions@freebsd.org Subject: Re: Bad file descriptor Message-ID: <lis81l$gro$1@ger.gmane.org> References: <lirg9p$khs$1@ger.gmane.org> <20140418195604.d01480f9.freebsd@ edvax.de>
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On Fri, 18 Apr 2014 19:56:04 +0200, Polytropon wrote: > On Fri, 18 Apr 2014 15:27:53 +0000 (UTC), Walter Hurry wrote: >> FreeBSD 9.2-RELEASE >> >> I have a handful of files in a subdirectory of /usr/ports/multimedia/ >> gstreamer/work, which show up as 'Bad file descriptor'. It appears that >> I am unable to delete them. > > This sounds familiar - like file system corruption. > > > >> /usr/ports is on my root partition/slice, which is ufs with >> journalling. >> >> On rebooting, it says the partition/slice is clean, so checking is >> skipped. > > A check should be forced anyway. Use "fsck -f" to do so. > > > >> I gather that the way to fix this is to run fsck with the -f option. Is >> this correct? If so, how do I get / unmounted? Or is there a way to >> force a check on reboot before mounting? > > The easiest way is to boot from optical media (CD or DVD #1) or USB > stick. It _may_ be possible to boot into single user mode (use "boot -s" > after reboot) where / is mounted r/o. There is no way to unmount / while > the system is running, even in single user mode this is problematic, so > a second (live) system seems to be the safest way. Thanks once again, Polytropon. Booted from a USB stick. I was disconcerted for a minute or two when fsck said it couldn't recognise the filesystem, but after I inserted '-t ufs' into the fsck command*, all was well. (Reminder to self: Keep a bootable USB stick handy.) * fsck -fy -t ufs /dev/ada0s2 (or whatever / is)
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