Date: Thu, 19 Jul 2007 21:25:45 -0600 (MDT) From: "M. Warner Losh" <imp@bsdimp.com> To: koitsu@freebsd.org Cc: LoN_Kamikaze@gmx.de, freebsd-stable@freebsd.org, idiotbg@gmail.com, josh@tcbug.org Subject: Re: removing external usb hdd without unmounting causes reboot? Message-ID: <20070719.212545.-1384052884.imp@bsdimp.com> In-Reply-To: <20070719145847.GA36856@eos.sc1.parodius.com> References: <20070718170559.GA11915@eos.sc1.parodius.com> <20070719.084821.-202614780.imp@bsdimp.com> <20070719145847.GA36856@eos.sc1.parodius.com>
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In message: <20070719145847.GA36856@eos.sc1.parodius.com>
Jeremy Chadwick <koitsu@FreeBSD.org> writes:
: On Thu, Jul 19, 2007 at 08:48:21AM -0600, M. Warner Losh wrote:
: > In message: <20070718170559.GA11915@eos.sc1.parodius.com>
: > Jeremy Chadwick <koitsu@freebsd.org> writes:
: > : If someone wants to work on this and needs devices/toys (thumb drives,
: > : external enclosures + hard disks), let me know, I will be more than
: > : happy to buy them the hardware needed.
: >
: > Willing to fund the work on it too? This is a volunteer project, and
: > you have to motivate people to work on this.
:
: I'm one man with a single day job. I only make so much money a year,
: most of which goes to rent and co-location bills. Remaining amounts
: usually go to small hobby projects of mine, or donating money to folks
: like phk@ to work on features that I'll benefit from (serial console
: work comes to mind, ditto with BTX fixes).
:
: What I'm saying is that I can't afford (literally -- I don't have the
: cash) to pay someone US$40/hour for programming efforts (especially when
: I know it'd be a 8-12 week job), but I *can* afford to donate a few
: hundred bucks getting someone hardware who has the know-how to fix or
: test things much better than myself. Most of the time though I'm told
: "I have the hardware I need -- it's a matter of finding the time!"
A total fix would be a lot of effort. Some of it would be easy to
incrementally adopt, while other parts would have ripples far and
wide.
: Besides working on ports (which I've been slacking on as of late), this
: is how I try to help/contribute to the FreeBSD community.
Yea. I understand that.
: > The best one can do without massive buffer cache work is what firewire
: > does: it has one attachment to handle all umass devices. When the
: > device goes away, it pauses all operations to that device. If the
: > device comes back, it resumes the I/O . If the device never comes
: > back, then the I/O never finishes.
:
: This sounds good.
It likely is the easiest 'bang for buck' solution.
Warner
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