Автомонтирование

Не могу понять в чем проблема:
некоторе флешки автоматически монтируются, а некоторые нет.
ядро 2.6.22.1-27.fc7
пример лога (в данном случае на 512 монтируется, на 2048 нет), причем
если монтировать руками - все ок.


Aug 29 17:13:51 testlinux kernel: usb 4-1: new high speed USB device using ehci_hcd and address 19
Aug 29 17:13:51 testlinux kernel: usb 4-1: configuration #1 chosen from 1 choice
Aug 29 17:13:51 testlinux kernel: scsi10 : SCSI emulation for USB Mass Storage devices
Aug 29 17:13:56 testlinux kernel: scsi 10:0:0:0: Direct-Access USB 2.0 Mobile Disk N4M 1.00 PQ: 0 ANSI: 2
Aug 29 17:13:56 testlinux kernel: sd 10:0:0:0: [sdb] 999424 512-byte hardware sectors (512 MB)
Aug 29 17:13:56 testlinux kernel: sd 10:0:0:0: [sdb] Write Protect is off
Aug 29 17:13:56 testlinux kernel: sd 10:0:0:0: [sdb] Assuming drive cache: write through
Aug 29 17:13:56 testlinux kernel: sd 10:0:0:0: [sdb] 999424 512-byte hardware sectors (512 MB)
Aug 29 17:13:56 testlinux kernel: sd 10:0:0:0: [sdb] Write Protect is off
Aug 29 17:13:56 testlinux kernel: sd 10:0:0:0: [sdb] Assuming drive cache: write through
Aug 29 17:13:56 testlinux kernel: sdb: sdb1
Aug 29 17:13:56 testlinux kernel: sd 10:0:0:0: [sdb] Attached SCSI removable disk
Aug 29 17:13:56 testlinux kernel: sd 10:0:0:0: Attached scsi generic sg1 type 0
Aug 29 17:14:23 testlinux kernel: usb 4-1: USB disconnect, address 19
Aug 29 17:14:42 testlinux kernel: usb 4-1: new high speed USB device using ehci_hcd and address 20
Aug 29 17:14:42 testlinux kernel: usb 4-1: configuration #1 chosen from 1 choice
Aug 29 17:14:42 testlinux kernel: scsi11 : SCSI emulation for USB Mass Storage devices
Aug 29 17:14:47 testlinux kernel: scsi 11:0:0:0: Direct-Access JetFlash TS2GJFV20 0.00 PQ: 0 ANSI: 2
Aug 29 17:14:47 testlinux kernel: sd 11:0:0:0: [sdb] 4030464 512-byte hardware sectors (2064 MB)
Aug 29 17:14:47 testlinux kernel: sd 11:0:0:0: [sdb] Write Protect is off
Aug 29 17:14:47 testlinux kernel: sd 11:0:0:0: [sdb] Assuming drive cache: write through
Aug 29 17:14:47 testlinux kernel: sd 11:0:0:0: [sdb] 4030464 512-byte hardware sectors (2064 MB)
Aug 29 17:14:47 testlinux kernel: sd 11:0:0:0: [sdb] Write Protect is off
Aug 29 17:14:47 testlinux kernel: sd 11:0:0:0: [sdb] Assuming drive cache: write through
Aug 29 17:14:47 testlinux kernel: sdb: sdb1
Aug 29 17:14:47 testlinux kernel: sd 11:0:0:0: [sdb] Attached SCSI removable disk
Aug 29 17:14:47 testlinux kernel: sd 11:0:0:0: Attached scsi generic sg1 type 0