Re: usb key mount problems with AMD64 unstable
On Fri, Dec 02, 2005 at 09:47:12AM -0700, Larry Hunter wrote:
>
> Folks,
>
> I just spent half an hour trying to figure out how to get a USB key to
> mount on my amd64 system running the latest unstable.
>
> When I first put in the key, dmesg showed only:
>
> usb 3-5: new high speed USB device using ehci_hcd and address 2
>
> the key shows up under lsusb, but no mountable device is created.
> Perusing previous questions, I see a recommendation to modprobe
> usb_storage and sd_mod. Trying that gets me further: reinserting the
> key now produces dmesg like so:
>
> usb 3-4: new high speed USB device using ehci_hcd and address 6
> scsi7 : SCSI emulation for USB Mass Storage devices
> usb-storage: device found at 6
> usb-storage: waiting for device to settle before scanning
> Vendor: IBM Model: Memory Key Rev: 1.01
> Type: Direct-Access ANSI SCSI revision: 00
> SCSI device sdc: 256000 512-byte hdwr sectors (131 MB)
> sdc: Write Protect is off
> sdc: Mode Sense: 43 00 00 00
> sdc: assuming drive cache: write through
> SCSI device sdc: 256000 512-byte hdwr sectors (131 MB)
> sdc: Write Protect is off
> sdc: Mode Sense: 43 00 00 00
> sdc: assuming drive cache: write through
> /dev/scsi/host7/bus0/target0/lun0:<3>ldm_parse_privhead(): Cannot find PRIVHEAD structure. LDM database is corrupt. Aborting.
> ldm_validate_privheads(): Cannot find PRIVHEAD 1.
> unable to read partition table
> Attached scsi removable disk sdc at scsi7, channel 0, id 0, lun 0
> usb-storage: device scan complete
>
> Looks promising, but trying to mount /dev/sdc produces:
>
> fast:/dev# mount -tvfat /dev/sdc /mnt/key
> mount: special device /dev/sdc does not exist
>
> Sure enough,
>
> fast:/dev# ls sdc*
> ls: sdc*: No such file or directory
>
> So I try MAKEDEV sdc, which looks like it does the right thing:
>
> fast:/dev# ./MAKEDEV -v sdc
> create sdc b 8 32 root:disk 0660
> create sdc1 b 8 33 root:disk 0660
> create sdc2 b 8 34 root:disk 0660
> create sdc3 b 8 35 root:disk 0660
> create sdc4 b 8 36 root:disk 0660
> create sdc5 b 8 37 root:disk 0660
> create sdc6 b 8 38 root:disk 0660
> create sdc7 b 8 39 root:disk 0660
> create sdc8 b 8 40 root:disk 0660
> create sdc9 b 8 41 root:disk 0660
> create sdc10 b 8 42 root:disk 0660
> create sdc11 b 8 43 root:disk 0660
> create sdc12 b 8 44 root:disk 0660
> create sdc13 b 8 45 root:disk 0660
> create sdc14 b 8 46 root:disk 0660
> create sdc15 b 8 47 root:disk 0660
>
> but alas, still no joy.
>
> fast:/dev# ls sdc*
> ls: sdc*: No such file or directory
>
> Just for the heck of it, I try find to see if sdc is being created
> somewhere else, and it is: in /dev/.static/dev
>
> So I try that, and it does work:
>
> fast:/dev# mount -tvfat /dev/.static/dev/sdc /mnt/key
>
> Surely this can't be the intended method for mounting usb keys....
Are you using devfs or udev or something else silly like that? Which
kernel version are you running?
Len Sorensen
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