Date: Sat, 21 Aug 2010 17:56:26 +0200 From: Hans Petter Selasky <hselasky@c2i.net> To: indulekha <thebeelzebubtrigger@gmail.com> Cc: freebsd-usb@freebsd.org Subject: Re: USB HDD needs replugging? Message-ID: <201008211756.26486.hselasky@c2i.net> In-Reply-To: <1282405038.2000.2.camel@satcidananda> References: <20100821120316.GA3352@satcidananda.16x108.merseine.nu> <201008211718.21378.hselasky@c2i.net> <1282405038.2000.2.camel@satcidananda>
next in thread | previous in thread | raw e-mail | index | archive | help
On Saturday 21 August 2010 17:37:18 indulekha wrote: > On Sat, 2010-08-21 at 17:18 +0200, Hans Petter Selasky wrote: > > > Yes, there is a dmesg error: > > > > > > ugen4.5: <(null)> at usbus4 (disconnected) > > > uhub_reattach_port:435: could not allocate new device! > > > > > > But then just a few lines later, dmesg says: > > > > > > ugen4.5: <Seagate> at usbus4 > > > umass1: <Seagate Portable, class 0/0, rev 2.00/1.30, addr 5> on usbus4 > > > umass1: SCSI over Bulk-Only; quirks = 0x0000 > > > umass1:3:1:-1: Attached to scbus3 > > > da1 at umass-sim1 bus 1 target 0 lun 0 > > > da1: <Seagate Portable 0130> Fixed Direct Access SCSI-4 device > > > da1: 40.000MB/s transfers > > > da1: 305245MB (625142448 512 byte sectors: 255H 63S/T 38913C) > > > > > > I'm thinking there's some sort of power management scheme in the > > > Seagate that umass has trouble accommodating. > > > > Does your USB device have a separate power supply? > > > > --HPS > > No, it's one of those pocket-sized HDDs. > This one, actually: > http://www.amazon.com/gp/product/B001SJZV10/ref=oss_product Hi, Try to use an external self-powered USB HUB and see if the problem is the same. --PS
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201008211756.26486.hselasky>