linux-kernel - Re: 2.6.25: usb-storage unknown partition table issue

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Message-ID: <742b1fb30805201547s69b35d2bn6e5a8c1bdc5d3f52@mail.gmail.com>
Date:	Wed, 21 May 2008 00:47:39 +0200
From:	"Patrizio Bassi" <patrizio.bassi@...il.com>
To:	"Abel Bernabeu" <abel.bernabeu@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: 2.6.25: usb-storage unknown partition table issue

2008/5/21 Abel Bernabeu <abel.bernabeu@...il.com>:
>
> 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@...il.com>:
> > 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@...il.com>:
> >>
> >>>
> >>> 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
> >


Attached.

Patrizio

Download attachment ".config" of type "application/octet-stream" (41673 bytes)