Nefunkcni flashdisk / GEOM_PART: integrity check failed

Miroslav Lachman 000.fbsd at quip.cz
Fri Oct 17 19:53:49 CEST 2014


Mam tu problem s 32GB USB 3.0 Flashdiskem Lexar.
Na Windows s nim problem neni, da se na nej cist i zapisovat, ale na 
FreeBSD 10 mi to ted hlasi nasledujici chybu:

kernel: ugen1.6: <Lexar> at usbus1
kernel: umass0: <Lexar USB Flash Drive, class 0/0, rev 2.10/11.00, addr 
6> on usbus1
kernel: umass0:  SCSI over Bulk-Only; quirks = 0x0100
kernel: umass0:2:0:-1: Attached to scbus2
kernel: da0 at umass-sim0 bus 0 scbus2 target 0 lun 0
kernel: da0: <Lexar USB Flash Drive 1100> Removable Direct Access SCSI-6 
device
kernel: da0: Serial Number AA33JJ7ZJFJG8N3C9RM7
kernel: da0: 40.000MB/s transfers
kernel: da0: 0MB (1 512 byte sectors: 64H 32S/T 0C)
kernel: da0: quirks=0x2<NO_6_BYTE>
kernel: GEOM_PART: integrity check failed (da0, MBR)
kernel: GEOM_PART: integrity check failed 
(diskid/DISK-AA33JJ7ZJFJG8N3C9RM7, MBR)
volmand: CREATE da0


Nekdy v minulosti se mi ho myslim podarilo pouzivat i ve FreeBSD.
Na Windows jsem si vsimnul, ze je rozdeleny na 2 partitions (prvni je 
nejaka mala cca 20MB, zbytek je pak FAT32

Co je zajimave, ze na FreeBSD ma nulovou velikost. Respektive jeden sektor:

# dd if=/dev/da0 of=/dev/null
1+0 records in
1+0 records out
512 bytes transferred in 0.000615 secs (832358 bytes/sec)

gpart si s nim nerozumi vubec

# gpart show /dev/da0
gpart: No such geom: /dev/da0.

Netusite nekdo, jestli tohle jde nejak vyresit?

Mirek


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