From owner-freebsd-questions@FreeBSD.ORG Thu Oct 21 14:02:02 2010 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id C43D01065698 for ; Thu, 21 Oct 2010 14:02:02 +0000 (UTC) (envelope-from olivares14031@gmail.com) Received: from mail-qy0-f182.google.com (mail-qy0-f182.google.com [209.85.216.182]) by mx1.freebsd.org (Postfix) with ESMTP id 717518FC15 for ; Thu, 21 Oct 2010 14:02:01 +0000 (UTC) Received: by qyk30 with SMTP id 30so3476146qyk.13 for ; Thu, 21 Oct 2010 07:02:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=I13FmGPkUwH9XS1hZPtzTbT5tFXLbJ5IiFY72N6260E=; b=S+0F8Z5AjBoEhyaveAV51z/SkIFtbEu1X+hCcgDq3R2qHBLPkqIKyWcQtIz/X9IOkW VfbeZNKIRMKvYTEDGbIvDJgMNtisrlBiRyBTki1pM6bDN+kKWuf8lRXcaQ/CcDUvkJNZ 0ptDC/d0tdf1mO+5ZOZcWiiiRFiAk2CVhioYo= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=MnacMh7TqWnTne6IHdezj+24aaKXIqjA+HJ+2LMEuya21WY0gCUmv2BHTh1uDh9OhO Wj7YjpRlAI6WHgA++ibwNIrTAFwql5dMzj7tZOImsBzhcFuEv/UKoZLzSMkXRbMaks7I Em3kd8KvlzOYG+5ExVZeBJXsyslJDg9Wi/dEw= MIME-Version: 1.0 Received: by 10.224.215.67 with SMTP id hd3mr753217qab.61.1287669721527; Thu, 21 Oct 2010 07:02:01 -0700 (PDT) Received: by 10.229.231.76 with HTTP; Thu, 21 Oct 2010 07:01:56 -0700 (PDT) In-Reply-To: <20101021143346.43940e3b.freebsd@edvax.de> References: <20101004195012.GA2023@tiny> <20101017143901.GA71132@current.Sisis.de> <20101019074615.GA2183@current.Sisis.de> <20101020022946.GA23035@thought.org> <4CBE8B86.9060608@uffe.org> <20101020173259.GD25310@thought.org> <20101020211546.GA26611@thought.org> <44y69s8rse.fsf@be-well.ilk.org> <20101021143346.43940e3b.freebsd@edvax.de> Date: Thu, 21 Oct 2010 09:01:56 -0500 Message-ID: From: Antonio Olivares To: Polytropon Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: David Brodbeck , freebsd-questions@freebsd.org Subject: Re: Netbooks & BSD X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 21 Oct 2010 14:02:02 -0000 On Thu, Oct 21, 2010 at 7:33 AM, Polytropon wrote: > On Wed, 20 Oct 2010 14:54:21 -0700, David Brodbeck wrote: >> Fortunately, USB mass storage devices are highly standardized. =A0One of >> the things they got right. > > Highly, but not fully. In some cases, manufacturers "know better" > and produce memory sticks that don't work on FreeBSD as they do > require some "driver" (no idea what is meant) to be accessible. > They seem to vialote the standards for USB direct access, so the > system gets into trouble (because it has to work with an obviously > defective storage media). > > Here's an example of a stick I returned to the shop the same day, > said "It's broken, money back." with a dmesg + fdisk printout on > tractor paper (always looks impressive). :-) > > umass0: on uhub2 > da0 at umass-sim0 bus 0 target 0 lun 0 > da0: Removable Direct Access SCSI-0 device > da0: 40.000MB/s transfers > da0: Attempt to query device size failed: UNIT ATTENTION, Medium not pres= ent > umass0: at uhub2 port 2 (addr 2) disconnected > (da0:umass-sim0:0:0:0): lost device > (da0:umass-sim0:0:0:0): removing device entry > umass0: detached > > I couldn't not format it (it was some FAT format on it) as it > detached from the system by itself as soon as accessed. > > I had such a Usb stick, Went to get u3 removal tool and then removed it and the usb becomes good again :) Those Cruzer Mini's with the U3 software give lots of trouble. First remove the U3 crap from them and then they should work well :) > >> Now, the USB keyboard protocol...ugh, they really dropped the ball on >> that one. =A0It's standardized, which is good, but it's a polling >> interface and tends to occasionally lose events under high CPU load, >> which is bad. =A0Especially if it's a key-up event that gets lost. > > USB mice suffer from the same problem - the polling. In the past, > I never had problems with interrupt-driven (serial and PS/2) > equipment, even on lowest-end (!) hardware. Today, some load can > render the system nearly inresponsive for several seconds (no > keyboard input, mouse stopped). > > This is true. I had some problems making a usb mouse work, but I had to manually plug it in to different usb slots till it worked from the start. The keyboard(usb) sometimes takes a while longer to respond than the PS2 one, but as long as I can get some work done. Regards, Antonio > > -- > Polytropon > Magdeburg, Germany > Happy FreeBSD user since 4.0 > Andra moi ennepe, Mousa, ... > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.o= rg" >