Messages in this thread | | | Date | Tue, 20 May 2008 17:50:15 +0200 | From | Patrizio Bassi <> | Subject | Re: 2.6.25: usb-storage unknown partition table issue |
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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@gmail.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
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