Re: 2.6.25: usb-storage unknown partition table issue

[Abel Bernabeu]

Can you supply me your .config file? I am sure it is just a matter of
enabling the correct option there.

Yours, Abel.

2008/5/20 Patrizio Bassi <patrizio.bassi@xxxxxxxxx>:
> 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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