On Sunday 28 August 2011 01:42:27 Brett Glass wrote: > I'm working with a FreeBSD 8.1-RELEASE/amd64 machine that's > attempting to write data to an ordinary Kingston 8 GB microSD card. > The card has been inserted into its USB adapter and plugged into a > USB port on the machine. The system is locking up repeatedly with > messages that say > > (da1:umass-sim1:1:0:0): SYNCHRONIZE CACHE(10). CDB: 35 0 0 0 0 0 0 0 0 0 > (da1:umass-sim1:1:0:0): SCSI sense: Error code 0x52 > > A Web search reveals that problems like this have cropped up for > many, many FreeBSD users as far back as 4.x. But I can't seem to > find any solution (which amazes me; if there's a bug, one would > think it would have gotten some attention). Do I have to abandon > the use of FreeBSD with USB thumb drives (or maybe with USB > altogether)? Hope not, but I may have to if I can't get this fixed. > > --Brett Glass
Hi, Can try first using: usbconfig -d X.Y add_quirk UQ_MSC_NO_SYNC_CACHE Then replug your device. --HPS _______________________________________________ freebsd-usb@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-usb To unsubscribe, send any mail to "freebsd-usb-unsubscr...@freebsd.org"