Date: Mon, 26 May 2014 08:27:04 +0200 From: Hans Petter Selasky <hps@selasky.org> To: Julian Elischer <julian@freebsd.org>, "Ronald F. Guilmette" <rfg@tristatelogic.com>, freebsd-usb@freebsd.org Subject: Re: Test Results Message-ID: <5382DEB8.5020600@selasky.org> In-Reply-To: <5382DD90.3000903@freebsd.org> References: <1986.1401074203@server1.tristatelogic.com> <5382DC2B.4040504@selasky.org> <5382DD90.3000903@freebsd.org>
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On 05/26/14 08:22, Julian Elischer wrote:
> I've seen this pattern a bit too much.
>
> user: I see error X
> dev: turn on quirk Y, disabling {lock device, queuing, syncing,
> block erase, etc.}
>
>
> Would it be possible for part of the attach code for drives, to silently
> run through a bunch of these commands and just turn off those that
> return errors? In the Old (old) SCSI code we did this in some devices,
> and in some cases there were capability descriptions in some of the
> sense pages.
>
> (though I think that was on some proprietary subdrivers).
Yes we already do that. Please send me patches/improvements for:
sys/dev/usb/usb_msctest.c
and
usb_error_t
usb_msc_auto_quirk(struct usb_device *udev, uint8_t iface_index)
--HPS
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