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Re: USB cardreader



On Wed, 2004-12-29 at 19:11 -0500, jeff elkins wrote:
> On Saturday 25 December 2004 4:04 pm, jeff elkins wrote:
> > On Saturday 25 December 2004 3:19 pm, H. S. wrote:
> > > Apparently, _jeff elkins_, on 25/12/04 09:06,typed:
> > > > Merry Christmas, List!
> > > >
> > > > I've built a new sid-based system (kernel 2.6.9) and I'm having a bit
> > > > of trouble with the attached usb cardreader.
> > > >
> > > > It's recognized at boot:
> > > >
> > > > usb 2-2: new full speed USB device using address 2
> > > > scsi0 : SCSI emulation for USB Mass Storage devices
> > > > Vendor: DMI       Model: MultiFlash        Rev: 3.00
> > > > Type:   Direct-Access   ANSI SCSI revision: 02
> > > >
> > > > But unless I boot with cards inserted, the devices I need (sda1,sdc1)
> > > > are not created. Additionally, once mounted they refuse to unmount with
> > > > a 'device busy.'
> > > >
> > > > I probably missed something in my setup, thanks for any help.
> > > >
> > > > Jeff Elkins
> > >
> > > I have a USB card reader that is detected alright but I have to have a
> > > card in a slot to get that detected too. The problem is that the card
> > > reader hardware makes itself detectable to a USB port but doesn't give
> > > any information when a card is inserted. So that card insertion totoally
> > > hidden from hotplug. It works onlyif you have a card inside the reader
> > > already before plugging it in the USB port.
> > >
> > > My solution was to make a mount point that I use after I insert the card
> > > in one of the slots. YMMV.
> > >
> > > However, if you card does notify the system when a new card is inserted
> > > and your system still doen't know about a new card, then something is
> > > wrong somewhere.
> > >
> > > ->HS
> >
> > I used that strategy with my previous system. Point /dev/sda1 and /dev/sdc1
> > to /cfcard and /sdcard in fstab and mount away.  No longer.
> >
> > I found out I can run cfdisk /dev/sda and cfdisk /dev/sdc, then /dev/sda1
> > and dev/sdc1 are created. Then I can mount and unmount. So, somehow,
> > something is screwed. I built this system from scratch with sarge
> > netinstall and apt, so I've probably left something out...
> >
> > Jeff
> 
> Perhaps now that it's not Christmas and the Umbutu thread has burnt out I can 
> get some assistance? :)
> 
> FYI, mounting these cards worked _flawlessly_,  with no intervention, with my 
> previous sid install built on top of a basic Woody system. Hotplug is 
> installed and works fine for my Zaurus and a few other USB devices, so I 
> don't think that's the issue.
> 
> Does the fact that I can manually issue an cfdisk/fdisk /dev/sda or 
> cfdisk/fdisk /dev/sdc and have the required /dev/sda1 and /dev/sdc1 devices 
> appear jog any thoughts?
> 
> Are there any dpkg-reconfigure tricks (other than hotplug, which I've done) 
> which I could try?
> 
> Can I manually create /dev/sda1 and /dev/sdc1 which are static from boot to 
> boot?
> 
> Thanks again to those who've replied and for any new help.

Have you tried udev?

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Ron Johnson, Jr.
Jefferson, LA USA
PGP Key ID 8834C06B I prefer encrypted mail.

If 1/2 of all US marriages end in divorce, and there are a good
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marriages will be permanent.

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