From owner-freebsd-questions@FreeBSD.ORG  Sun Dec 26 11:35:59 2004
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Date: Sun, 26 Dec 2004 22:35:53 +1100 (EST)
From: Dave Horsfall <dave@horsfall.org>
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Subject: USB floppy: "Synchronize cache failed"
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FreeBSD 5.3, Imation USB floppy drive (a rebadged Mitsumi).

Works OK, but the probe messages are annoying (and fill my log):

Dec 26 22:23:05 stinky kernel: umass0: MITSUMI MITSUMI USB FDD, rev 1.10/1.00, addr 3
Dec 26 22:23:07 stinky kernel: da0 at umass-sim0 bus 0 target 0 lun 0
Dec 26 22:23:07 stinky kernel: da0: <MITSUMI USB FDD 1050> Removable Direct Access SCSI-0 device 
Dec 26 22:23:07 stinky kernel: da0: 1.000MB/s transfers
Dec 26 22:23:07 stinky kernel: da0: 1MB (2880 512 byte sectors: 64H 32S/T 1C)
Dec 26 22:23:07 stinky kernel: umass0: Unsupported UFI command 0x35
Dec 26 22:23:07 stinky kernel: (da0:umass-sim0:0:0:0): Synchronize cache failed, status == 0x6, scsi status == 0x0
Dec 26 22:23:07 stinky kernel: umass0: Unsupported UFI command 0x35
Dec 26 22:23:07 stinky kernel: (da0:umass-sim0:0:0:0): Synchronize cache failed, status == 0x6, scsi status == 0x0
Dec 26 22:23:08 stinky kernel: umass0: Unsupported UFI command 0x35
Dec 26 22:23:08 stinky kernel: (da0:umass-sim0:0:0:0): Synchronize cache failed, status == 0x6, scsi status == 0x0
Dec 26 22:23:08 stinky kernel: umass0: Unsupported UFI command 0x35
Dec 26 22:23:08 stinky kernel: (da0:umass-sim0:0:0:0): Synchronize cache failed, status == 0x6, scsi status == 0x0
Dec 26 22:23:08 stinky kernel: umass0: Unsupported UFI command 0x35
Dec 26 22:23:08 stinky kernel: (da0:umass-sim0:0:0:0): Synchronize cache failed, status == 0x6, scsi status == 0x0
Dec 26 22:23:08 stinky kernel: umass0: Unsupported UFI command 0x35
Dec 26 22:23:08 stinky kernel: (da0:umass-sim0:0:0:0): Synchronize cache failed, status == 0x6, scsi status == 0x0
Dec 26 22:23:08 stinky kernel: umass0: Unsupported UFI command 0x35
Dec 26 22:23:08 stinky kernel: (da0:umass-sim0:0:0:0): Synchronize cache failed, status == 0x6, scsi status == 0x0

And that was just *one* insertion.  On 4.10 it's quiet (and works).

Any way that I can shut it up?  I see this has been raised in the past, 
but I didn't see any resolutions.

-- Dave