EHCI + umass + ntfs = panic

Matteo Riondato rionda at
Wed Nov 10 03:11:13 PST 2004

Hi folks,
I've got a USB2 removable HD with a NTFS partition on it.
I kld'ed umass and ntfs, (ehci support built in kernel) and my disk got
recognized as:
umass0: Cypress Semiconductor USB2.0 Storage Device, rev 2.00/0.01, addr
ehci_idone: need toggle update status=80018d40 nstatus=80008c80
umass0: Get Max Lun not supported (STALLED)
da0 at umass-sim0 bus 0 target 0 lun 0
da0: <MAXTOR 6 L060J3 \0000\0000> Fixed Direct Access SCSI-0 device 
da0: 1.000MB/s transfers
da0: 57259MB (117266688 512 byte sectors: 255H 63S/T 7299C)

I tried to mount it with:
mount -t ntfs -o ro /dev/da0s1 /mnt/usb/

Suddendly, my machine panic'ed with:

filesystem goof: vop_panic[vop_strategy]

Is NTFS over umass storage supported? Or better, is umass over ehci

Best Regards
Rionda aka Matteo Riondato
GUFI Staff Member (
FreeSBIE Developer (
BSD-FAQ-it Main Developer (
Sent from: running FreeBSD-6.0-CURRENT
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