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Date:      Fri, 17 Jan 2003 16:11:30 -0800 (PST)
From:      YeowLing Tjioe <yltjioe@yahoo.com>
To:        freebsd-current@freebsd.org
Subject:   unable to install freebsd-5.0-rc3 on 2.5"hdd in usb2.0 external enclosure
Message-ID:  <20030118001130.75676.qmail@web41112.mail.yahoo.com>

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Hello,

I uses a 2.5"hdd in an external enclosure with usb2.0
interface on my system. So far, I was not able to
install freebsd-5.0-rc3 to this disk - system would
panic due to page fault. No such issue occurred under
4.7, but I need the cardbus support under 5.0 :(

boot detection messages under 5.0-rc3:
  ...
  ohci0: <NEC uPD 9210 USB controller> mem
0xec000000-0xec000fff irq11 at device 14.0 on pci0
  usb1: OHCI version 1.0, legacy support
  usb1: <NEC uPD 9210 USB controller> on ohci0
  usb1: USB revision 1.0
  uhub2: NEC OHCI root hub, class 9/0, rev 1.00/1.00,
addr 1
  uhub2: 3 ports with 3 removable, self powered
  umass0: In-System Design USB storage Adapter, rev
2.0/11.05, addr 2
  ...
  da0 at umass-sim0 bus0 target0 lun0
  da0: <FUJITSU MHN2200AT 7256> Fixed Direct Access
SCSI-0 device
  da0: 1.000MB/s transfers
  da0: 19077MB (39070080 512 byte sectors: 64H 32S/T
19077C)

The only difference I noticed in the above between
5.0-rc3 and 4.7 is:
  da0:650kB/s transfers
under 4.7.

When 5.0-rc3 panic, the folllowing is echoed:
  syncing disks, buffers remaining... panic: bdwrite:
buffer is not busy...

Anyone have similar experience? solutions I can try?
know what changed between 5.0 and 4.7?

Thanks in advance.

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