Re: 2.6.25: usb-storage unknown partition table issue

[Patrizio Bassi]

Abel Bernabeu ha scritto:
> Looks like you did not enable the partition type "PC BIOS".
>
> Type "make menuconfig" and make sure you enabled it on:
>
> Partition types / Advanced partition / pc bios (ms dos partition tables)
>
> Discard any SCSI issue, indeed I am almost sure you can do a "cp
> /dev/sda /dev/null" with no problem (showing that your SCSI driver is
> working properly).
>
> Yours, Abel.
>
>
>
> 2008/5/19 Patrizio Bassi <patrizio.bassi@xxxxxxxxx>:
>   
> > Hi,
> >
> > i have a 8GB usb pen with several problem due to partition table.
> >
> > if i create a primary one with fdisk, then format it works ok.
> > then i umount it, unplug, replug, no more partition detected.
> >
> > I formatted it on Windows (same machine) and this some stress test, but it's
> > brand new and it works.
> > The partition and the free space is correctly seen by qtparted and parted,
> > but in the dmesg i see:
> >
> > Initializing USB Mass Storage driver...
> > scsi10 : SCSI emulation for USB Mass Storage devices
> > usb-storage: device found at 2
> > usb-storage: waiting for device to settle before scanning
> > usbcore: registered new interface driver usb-storage
> > USB Mass Storage support registered.
> > usb-storage: device scan complete
> > scsi 10:0:0:0: Direct-Access     Ut165    USB2FlashStorage 0.00 PQ: 0 ANSI:
> > 2
> > sd 10:0:0:0: [sdc] 15794176 512-byte hardware sectors (8087 MB)
> > sd 10:0:0:0: [sdc] Write Protect is off
> > sd 10:0:0:0: [sdc] Mode Sense: 00 00 00 00
> > sd 10:0:0:0: [sdc] Assuming drive cache: write through
> > sd 10:0:0:0: [sdc] 15794176 512-byte hardware sectors (8087 MB)
> > sd 10:0:0:0: [sdc] Write Protect is off
> > sd 10:0:0:0: [sdc] Mode Sense: 00 00 00 00
> > sd 10:0:0:0: [sdc] Assuming drive cache: write through
> > sdc: unknown partition table
> > sd 10:0:0:0: [sdc] Attached SCSI removable disk
> >
> > This makes the partition unasable in my linux 2.6.25 (vanilla) system.
> > Another 1gb usbpen works perfectly.
> >
> > Bus 004 Device 001: ID 1d6b:0001
> > Bus 005 Device 001: ID 1d6b:0001
> > Bus 002 Device 001: ID 1d6b:0001
> > Bus 003 Device 001: ID 1d6b:0001
> > Bus 001 Device 002: ID 1307:0165 Transcend Information, Inc.
> > Bus 001 Device 001: ID 1d6b:0002
> >
> > Anything i can try?
> > It looks a scsi issue. And it's the first time i see the Mode Sense set to 0
> > for any usb storage device.
> >
> > Please CC me i'm not subscribed
> >
> >     
Hi Abel/All,

it doesn't work at all. Actually even other pen i have were formatted in 
windows and they work ok.

And, as said, parted reconize it. now i destroyed and created again with 
parted, but on windows it works, on linux not.

What else to try?

Patrizio
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