Date: Sat, 05 Feb 2011 08:51:38 -0800 From: Julian Elischer <julian@freebsd.org> To: Donald Allen <donaldcallen@gmail.com> Cc: freebsd-current@freebsd.org, freebsd-usb@freebsd.org, Hans Petter Selasky <hselasky@c2i.net> Subject: Re: Intermittent pauses copying from one usb drive to another Message-ID: <4D4D801A.8050900@freebsd.org> In-Reply-To: <AANLkTi=ppQSq1c4u8iYL7Tvh9QDG-1z3nWM=677E7=gW@mail.gmail.com> References: <AANLkTimJOZ_j40HDt89OXcimz3nc22uhzxrUfWDWsuuR@mail.gmail.com> <201102051534.54590.hselasky@c2i.net> <AANLkTiky7Ypea9d0dg_HdqNCUNvJO%2BGbOWH6H_0=HV5Y@mail.gmail.com> <201102051628.28754.hselasky@c2i.net> <AANLkTi=ppQSq1c4u8iYL7Tvh9QDG-1z3nWM=677E7=gW@mail.gmail.com>
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On 2/5/11 8:28 AM, Donald Allen wrote: > On Sat, Feb 5, 2011 at 10:28 AM, Hans Petter Selasky<hselasky@c2i.net>wrote: > >> On Saturday 05 February 2011 16:18:56 Donald Allen wrote: >>> Does whoever is responsible for CAM/SCSI >>> know about this and do you know if there are plans to fix it? What is the >>> point of "supporting" USB devices (and we aren't talking about an >> odd-ball >>> device here; these are USB disks), when the "support" is partially >> broken? >> >> As far as I know there are no ongoing plans to fix this issue. Yes, we need >> to >> support the oddballs too, of course. > > Actually, I'm arguing that you (FreeBSD, not necessarily the USB layer) need > to better support the *main-stream* devices better (I care much less about > the outliers, because by definition, the quality of their support affects > far fewer people). These Toshiba drives are vanilla stuff, used by many for > backups > > >> Currently a lot of quirks have been >> pushed into the umass driver, but I guess that we need to add more quirks, >> and >> probably switch around from black-listing into white-listing, so that the >> quirks are turned on by default. >> >> Thanks for your understanding! >> > I do understand, but in some ways I don't. FreeBSD is a great system, > superior to Linux in many ways that have been discussed ad nauseum, but USB > devices, particularly disks and flash-based devices, are ubiquitous these > days, and FreeBSD's support for these devices is weak, weaker than Linux and > even OpenBSD (in my experience). This seems like a very odd place for a > gaping hole in the system, particularly after all the work you did to > re-implement the USB layer. Hans Petter, Could the USB mass storage layer not refuse to pass down some commands and just return the proscribed error? > /Don > > >> --HPS >> > _______________________________________________ > freebsd-usb@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-usb > To unsubscribe, send any mail to "freebsd-usb-unsubscribe@freebsd.org" >
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