On 18 November 2012 14:36, allen williams <[email protected]> wrote: > Re: ubuntu-uk Digest, Vol 91, Issue 19: >> >> 2. Problem on upgrade to 12.10 with one usb disc (allen williams) >> 3. Re: Problem on upgrade to 12.10 with one usb disc (Colin Law) >> 5. Re: Problem on upgrade to 12.10 with one usb disc >> (=?utf-8?B?YW50b25rMjAxMTdAZ21haWwuY29t?=) >> >> >> Message: 2 >> >> >> Help please! >> >> After upgrade from 12.04, switching on or attempting to mount one of my >> usb hard drives gives this error message -. >> >> Error mounting system-managed device /dev/sdg1: Command-line `mount >> "/mnt/usb-ST350041_8AS_60CAFFFFFFFF-0:0-part1"' exited with non-zero exit >> status 32: mount: wrong fs type, bad option, bad superblock on /dev/sdg1, >> missing codepage or helper program, or other error >> In some cases useful info is found in syslog - try >> dmesg | tail or so >> >> dmesg | tail gives (inter alia): >> >> [ 1080.727830] sdg: sdg1 >> [ 1080.732003] sd 8:0:0:0: [sdg] Attached SCSI disk >> [ 1081.383633] FAT-fs (sdg1): Unrecognized mount option "x-gvfs-show" or >> missing value >> [ 1871.160973] sdg: sdg1 >> >> The disc is seen by the new system as a "place" but clearly >> does not like it, even though 12.04 used it perfectly >> happily, as does 12.10 my other usb disc. I'm technically incompetent and >> can't find anything to help with this difficulty, so any pointers are most >> welcome. >> >> Allen Williams >> >> > In response to the kind suggestion, I have copied fstab (and fstab.bak, for > good measure) and reproduced them below: > > # /etc/fstab: static file system information. > # > # <file system> <mount point> <type> <options> <dump> <pass> > proc /proc proc > defaults 0 0 > # /dev/sda8 > UUID=6a062fdd-e7a2-4f37-9d23-0994e6ec6ee9 / ext3 > relatime,errors=remount-ro,user_xattr 0 1 > # /dev/sda9 > UUID=2ea8ad99-daa5-4b44-9673-35d5c2c984e1 none swap sw > 0 0 > /dev/scd0 /media/cdrom0 udf,iso9660 > user,noauto,exec,utf8 0 0 > /dev/disk/by-id/usb-ST350041_8AS_60CAFFFFFFFF-0:0-part1 > /mnt/usb-ST350041_8AS_60CAFFFFFFFF-0:0-part1 auto > nosuid,nodev,nofail,x-gvfs-show 0 0
Edit the file by typing, in a terminal gksu gedit /etc/fstab and comment out the /dev/scd0 line and the /dev/disk/by-id... lines by adding a # character at the front of the line, and save the file. Make sure you do not change anything else. Reboot and see if that helps. Colin > > fstab.bak is, by contrast: > > # /etc/fstab: static file system information. > # > # <file system> <mount point> <type> <options> <dump> <pass> > proc /proc proc > defaults 0 0 > # /dev/sda8 > UUID=6a062fdd-e7a2-4f37-9d23-0994e6ec6ee9 / ext3 > relatime,errors=remount-ro 0 1 > # /dev/sda9 > UUID=2ea8ad99-daa5-4b44-9673-35d5c2c984e1 none swap sw > 0 0 > /dev/scd0 /media/cdrom0 udf,iso9660 > user,noauto,exec,utf8 0 0 > > I am a technical ignoramus, but the contrast between the two is startling, > even to me! > The .bak file was originally generated on Thu 02 Jun 2011, so why the > upgrade should have generated the new file (particularly the last line) is > beyond me. The inclusion in the new file of this line > /dev/scd0 /media/cdrom0 udf,iso9660 > user,noauto,exec,utf8 0 0 > also seemed suspicious, so I tried replacing the dvd in the drive and, > indeed, there are hitherto unnoticed problems there, too, in that the disc > name does not alter in Nautilus, and the contents of the substituted disc > are not accessible to Nautilus (cited by "Properties" as "nothing"). > > At Colin's suggestion, I created and tried running the system from a "live" > DVD (upgrade from 12.04 was via updated manager). No problems in that the > "rogue" usb drive is correctly identified, mounted and is accessible to the > live disc user. > > I have checked the bug whose link was provided and although I cannot pretend > to understand fully the report and responses, there does indeed seem to be > substantial commonality. However, that report seemed to be concerned with > duplication of links to drives (logos), rather than my problem. > Interestingly, the two usb hard discs did appear twice each in Nautilus in > my system BEFORE upgrading to 12.10. They were distinguished by the addition > of a "_" after the disc name in each case. For example, the one named "My > Book" appeared as that, and also as "My Book_". Although odd, this was > perfectly liveable, since the latter reliably worked while the former did > not work at all. > > Further information: I have also had help from a self-confessed geek in > Australia. The system at present creates a folder on starting, > /mnt/usb-ST350041_8AS_60CAFFFFFFFF-0:0-part1 , which is empty. My advice was > to run: sudo mount /dev/sdd1 /mnt -t vfat -o ro . This replaces the folder > with the contents of the usb drive at /mnt. He thinks the usb file system is > corrupt, but all the above suggests to me it is not. On a fresh boot, the > system now pauses, giving a message saying it is waiting for the drive with > /mnt/usb-ST350041_8AS_60CAFFFFFFFF-0:0-part1. This has to be skipped to > continue, producing the situation as described. > > I hope this enables a genius out there to give me simple instructions how to > put this right! > > > Allen Williams > > > > > -- > Using Opera's revolutionary e-mail client: http://www.opera.com/mail/ > > -- > [email protected] > https://lists.ubuntu.com/mailman/listinfo/ubuntu-uk > https://wiki.ubuntu.com/UKTeam/ -- [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-uk https://wiki.ubuntu.com/UKTeam/
