I have some 10.04 for some time now. And I have never had a USB stick
mounted as a CDROM ever since.

2010/8/12 Tim Casey <email address hidden>

> Thank you for taking the time to report this bug and helping to make
> Ubuntu better. We are sorry that we do not always have the capacity to
> look at all reported bugs in a timely manner.
>
> There have been many changes in Ubuntu since that time you reported the
> bug and your problem may have been fixed with some of the updates. It
> would help us a lot if you could test the current Ubuntu development
> version (10.10).
>
> If you can test it, and it is still an issue, we would appreciate if you
> could upload updated logs by running apport-collect 200287 and any other
> logs that are relevant for this particular issue.
>
> ** Changed in: hal (Ubuntu)
>       Status: New => Invalid
>
> --
> usb stick doesn't mount
> https://bugs.launchpad.net/bugs/200287
> You received this bug notification because you are a direct subscriber
> of the bug.
>
> Status in “hal” package in Ubuntu: Invalid
>
> Bug description:
> dag@tp:~$ cat /etc/lsb-release
> DISTRIB_ID=Ubuntu
> DISTRIB_RELEASE=8.04
> DISTRIB_CODENAME=hardy
> DISTRIB_DESCRIPTION="Ubuntu hardy (development branch)"
>
> I insert a usb stick that worked fine in Gutsy, and get a message window:
> "Cannot mount volume. Invalid mount option when attempting to mount the
> volume 'UDISK 2.0'."
>
> I have a Thinkpad T61 6460-8NG.
>
> The /var/log/messages around the error is (for two previously working usb
> sticks):
> Mar  9 17:00:08 tp kernel: [15232.713220] usb 7-2: new high speed USB
> device using ehci_hcd and address 3
> Mar  9 17:00:08 tp kernel: [15232.866279] usb 7-2: configuration #1 chosen
> from 1 choice
> Mar  9 17:00:08 tp kernel: [15232.866699] scsi6 : SCSI emulation for USB
> Mass Storage devices
> Mar  9 17:00:13 tp kernel: [15237.859710] scsi 6:0:0:0: Direct-Access
>        USB DISK 2.0     PMAP PQ: 0 ANSI: 0 CCS
> Mar  9 17:00:14 tp kernel: [15238.671692] sd 6:0:0:0: [sdb] 1003520
> 512-byte hardware sectors (514 MB)
> Mar  9 17:00:14 tp kernel: [15238.672715] sd 6:0:0:0: [sdb] Write Protect
> is off
> Mar  9 17:00:14 tp kernel: [15238.675109] sd 6:0:0:0: [sdb] 1003520
> 512-byte hardware sectors (514 MB)
> Mar  9 17:00:14 tp kernel: [15238.676119] sd 6:0:0:0: [sdb] Write Protect
> is off
> Mar  9 17:00:14 tp kernel: [15238.676126]  sdb: sdb1
> Mar  9 17:00:14 tp kernel: [15238.677924] sd 6:0:0:0: [sdb] Attached SCSI
> removable disk
> Mar  9 17:00:14 tp kernel: [15238.677960] sd 6:0:0:0: Attached scsi generic
> sg2 type 0
> Mar  9 17:00:14 tp kernel: [15239.033956] UDF-fs: No partition found (1)
> Mar  9 17:00:14 tp kernel: [15239.079776] ISOFS: Unable to identify CD-ROM
> format.
> Mar  9 17:00:27 tp kernel: [15251.224958] UDF-fs: No partition found (1)
> Mar  9 17:00:27 tp kernel: [15251.267525] ISOFS: Unable to identify CD-ROM
> format.
> Mar  9 17:00:34 tp kernel: [15258.255099] UDF-fs: No partition found (1)
> Mar  9 17:00:34 tp kernel: [15258.297917] ISOFS: Unable to identify CD-ROM
> format.
> Mar  9 17:01:46 tp kernel: [15330.242852] usb 7-2: USB disconnect, address
> 3
>
> Mar  9 17:01:48 tp kernel: [15332.378854] usb 7-2: new high speed USB
> device using ehci_hcd and address 4
> Mar  9 17:01:48 tp kernel: [15332.544444] usb 7-2: configuration #1 chosen
> from 1 choice
> Mar  9 17:01:48 tp kernel: [15332.545038] scsi7 : SCSI emulation for USB
> Mass Storage devices
> Mar  9 17:01:53 tp kernel: [15337.536592] scsi 7:0:0:0: Direct-Access
> Kingston DataTraveler 2.0 1.00 PQ: 0 ANSI: 2
> Mar  9 17:01:53 tp kernel: [15337.546392] sd 7:0:0:0: [sdb] 8089600
> 512-byte hardware sectors (4142 MB)
> Mar  9 17:01:53 tp kernel: [15337.546920] sd 7:0:0:0: [sdb] Write Protect
> is off
> Mar  9 17:01:53 tp kernel: [15337.549027] sd 7:0:0:0: [sdb] 8089600
> 512-byte hardware sectors (4142 MB)
> Mar  9 17:01:53 tp kernel: [15337.549655] sd 7:0:0:0: [sdb] Write Protect
> is off
> Mar  9 17:01:53 tp kernel: [15337.549661]  sdb: sdb1
> Mar  9 17:01:53 tp kernel: [15337.662987] sd 7:0:0:0: [sdb] Attached SCSI
> removable disk
> Mar  9 17:01:53 tp kernel: [15337.663027] sd 7:0:0:0: Attached scsi generic
> sg2 type 0
> Mar  9 17:01:53 tp kernel: [15337.916769] UDF-fs: No partition found (1)
> Mar  9 17:01:53 tp kernel: [15337.979142] ISOFS: Unable to identify CD-ROM
> format.
> Mar  9 17:02:18 tp kernel: [15363.030781] usb 7-2: USB disconnect, address
> 4
>
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