Gigabyte SD memory card

Jon Dixon dixon.jon at gmail.com
Wed Dec 22 10:23:04 UTC 2004


I find that the automounting of external devices has always been a
little haphazard.

I have a LaCie external firewire drive which has issues.

- Jon

On Tue, 21 Dec 2004 20:08:43 +0000, Tony Arnold
<tony.arnold at manchester.ac.uk> wrote:
> Jon,
> 
> Jon Dixon wrote:
> > Can you still manually mount the 1GB disk when this happens?
> 
> Under Hoary, I was manually mounting the card anyway, as it is a server
> install with ni desktop stuff.
> 
> I think manula mouting under Warty would work. It seems to me it's the
> detection and creation of the dynamic device that's the problem, rather
> than the mounting of it.
> 
> Regards,
> Tony.
> 
> >
> > - Jon
> >
> > On Tue, 21 Dec 2004 13:21:44 +0000, Tony Arnold
> > <tony.arnold at manchester.ac.uk> wrote:
> >
> >>Jon et al.,
> >>
> >>On Tue, 2004-12-21 at 12:00 +0000, Jon Dixon wrote:
> >>
> >>>Glad it's working.
> >>
> >>I may have spoken to soon! Behaviour is a little odd. If I plug a 256Mb
> >>card in, then a device/dev/sda1 gets created and mounted. If I take this
> >>card out and plug the 1GB card in quickly enough that seems to use the
> >>existing /dev/sda1 and it gets mounted, however, if I wait for
> >>the /dev/sda1 device to be removed by the system, the 1GB card does not
> >>get mounted and the /dev/sda1 device does not get re-created.
> >>
> >>This seems to be the behaviour on both warty and hoary! A slight
> >>difference on hoary is that after the /dev/sda set of devices has been
> >>removed, the next time I plug a working card in, it creates /dev/sdb and
> >>not /dev/sda!
> >>
> >>Regards,
> >>Tony.
> >>
> >>>On Tue, 21 Dec 2004 11:58:21 +0000, Jon Dixon <dixon.jon at gmail.com> wrote:
> >>>
> >>>>Just to throw more fuel on the fire...
> >>>>
> >>>>Perhaps the reason it cannot read from the beginning (block 0) and
> >>>>giving the I/O error could also be down to the 'what the hell size are
> >>>>you?' problem.
> >>>>
> >>>>Just a thought ...
> >>>>
> >>>>Has anyone had experience with large 512MB/1GB CF cards, that may also
> >>>>be able to help Tony here?
> >>>>
> >>>>- Jon
> >>>>
> >>>>On Tue, 21 Dec 2004 11:32:49 +0000, Tony Arnold
> >>>><tony.arnold at manchester.ac.uk> wrote:
> >>>>
> >>>>>On Tue, 2004-12-21 at 11:43 +0100, Le grand pinguin wrote:
> >>>>>
> >>>>>>On Tue, Dec 21, 2004 at 05:23:36AM -0500, strips wrote:
> >>>>>>
> >>>>>>>>Dec 20 15:44:45 aca-vnt kernel: sda : READ CAPACITY failed.
> >>>>>>>
> >>>>>>>Well.. either the kernel or your reader doen't support 1GB SD cards.
> >>>>>>>Tried the reader on another linux kernel or maybe Windows?
> >>>>>>
> >>>>>>Hmm, is this really the relevant log entry? Somehow i think this
> >>>>>>
> >>>>>>1) > kernel:  /dev/scsi/host4/bus0/target0/lun0:<3>Buffer I/O error on device
> >>>>>>   > sda, logical block 0
> >>>>>>2) > Dec 20 15:44:45 aca-vnt kernel:  unable to read partition table
> >>>>>>
> >>>>>>is more important. Two questions to the OP:
> >>>>>>
> >>>>>> - is this disk allready formated? (does it have a filesystem)?
> >>>>>>   Without a filesystem automaounting can'T work :-)
> >>>>>
> >>>>>Yes, and the card mounts fine on a Windows box.
> >>>>>
> >>>>>
> >>>>>> - 'I/O error' sounds nasty - is it possible that the disk is damaged?
> >>>>>>   (the kernel tries to read block 0 on the device (to read the partition
> >>>>>>    table) but the device (disk) reports an error.
> >>>>>
> >>>>>It's brand new and works on Windows and my Palm, so I assume the card is
> >>>>>OK.
> >>>>>
> >>>>>I had assumed the above messages were because it could not deal with the
> >>>>>size of the disk, but ...
> >>>>>
> >>>>>
> >>>>>Regards,
> >>>>>Tony.
> >>>>>--
> >>>>>Tony Arnold, IT Security Coordinator, University of Manchester,
> >>>>>Manchester Computing, Kilburn Building, Oxford Road, Manchester M13 9PL.
> >>>>>T: +44 (0)161 275 6093, F: +44 (0)870 136 1004, M: +44 (0)773 330 0039
> >>>>>E: tony.arnold at manchester.ac.uk, H: http://www.man.ac.uk/Tony.Arnold
> >>>>>
> >>>>>--
> >>>>>ubuntu-users mailing list
> >>>>>ubuntu-users at lists.ubuntu.com
> >>>>>http://lists.ubuntu.com/mailman/listinfo/ubuntu-users
> >>>>>
> >>>>
> >>--
> >>Tony Arnold, IT Security Coordinator, University of Manchester,
> >>Manchester Computing, Kilburn Building, Oxford Road, Manchester M13 9PL.
> >>T: +44 (0)161 275 6093, F: +44 (0)870 136 1004, M: +44 (0)773 330 0039
> >>E: tony.arnold at manchester.ac.uk, H: http://www.man.ac.uk/Tony.Arnold
> >>
> >>
> >
> >
> >
> 
> --
> Tony Arnold, IT Security Coordinator, University of Manchester,
> Manchester Computing, Kilburn Building, Oxford Road, Manchester M13 9PL.
> T: +44 (0)161 275 6093, F: +44 (0)870 136 1004, M: +44 (0)773 330 0039
> E: tony.arnold at manchester.ac.uk, H: http://www.man.ac.uk/Tony.Arnold
> 
> --
> ubuntu-users mailing list
> ubuntu-users at lists.ubuntu.com
> http://lists.ubuntu.com/mailman/listinfo/ubuntu-users
> 


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