Date: Tue, 2 Jun 2009 17:16:01 +0200 (CEST) From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> To: freebsd-hackers@freebsd.org Subject: Synchronize cache failed. Message-ID: <alpine.BSF.2.00.0906021713170.1314@wojtek.tensor.gdynia.pl>
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i bought new digital camera+"8GB" flash card, and when i plug it into USB
port, it's detected properly
umass0: <OLYMPUS FE20,X15,C25, class 0/0, rev 2.00/1.00, addr 2> on uhub1
da0 at umass-sim0 bus 0 target 0 lun 0
da0: <OLYMPUS FE20,X15,C25 1.00> Removable Direct Access SCSI-0 device
da0: 1.000MB/s transfers
da0: 7646MB (15659008 512 byte sectors: 255H 63S/T 974C)
i can do everything fine, but i'm getting
umass0: Phase Error, residue = 0
(da0:umass-sim0:0:0:0): Synchronize cache failed, status == 0x4, scsi
status == 0x0
every some time.
so i added a device line to usbdevs, then i edited umass.c
to add
{ USB_VENDOR_OLYMPUS, USB_PRODUCT_OLYMPUS_FE20, RID_WILDCARD,
UMASS_PROTO_SCSI,
NO_SYNCHRONIZE_CACHE
},
to static struct umaumass_devdescrs[]
it compiled, all fine, but when i attached camera again system rebooted.
i was in X session and had tail -f /var/log/messages running, and i was
able to see a message that my camera is unknown device, for maybe 1 second
before getting reboot.
No memory dump was performed.
Any idea?
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