Date: Fri, 22 Aug 2003 13:08:13 -0400 (EDT) From: John Baldwin <jhb@FreeBSD.org> To: Nate Lawson <nate@root.org> Cc: current@freebsd.org Subject: Re: HEADSUP: USB da(4) quirks disabled for 4.9 and 5.2 Message-ID: <XFMail.20030822130813.jhb@FreeBSD.org> In-Reply-To: <20030822005127.C2916@root.org>
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On 22-Aug-2003 Nate Lawson wrote: > On Fri, 22 Aug 2003, Bruce M Simpson wrote: >> On Fri, Aug 22, 2003 at 12:20:55AM -0700, Nate Lawson wrote: >> > If you have any of the devices listed below, please test with a recent >> > -stable or -current. They will stop working in 4.9 and 5.2 although old >> > behavior can _temporarily_ be enabled by adding "options DA_OLD_QUIRKS" to >> > your kernel config. If I don't hear from anyone, they'll be going away >> > permanently after the releases. >> >> The Y-E 'Flashbuster' floppy is a fairly common device. >> It is often sold with Sony Vaio notebooks. There is legacy BIOS boot >> support, but how will people use a fixit floppy once the kernel has booted? > > Sure it's common. But no one has mentioned that it really needs the > NO_SYNC_CACHE quirk. So unless I hear otherwise, I will assume it doesn't > need the quirk and it will continue to work fine. > > The problem is that a lot of these quirks were added with no documentation > and a cut/paste of both NO_6_BYTE and NO_SYNCHRONIZE_CACHE quirks even > though only one of them was needed. Now that no USB devices should > receive a 6 byte command, that only leaves the NO_SYNCHRONIZE_CACHE > quirks. I am temporarily disabling them to flush out which ones are > REALLY needed. They have been disabled since 2003/07/29 and 2003/08/07 > for -current and -stable, respectively. I have had 0 messages saying that > anything was broken by this. Check the umass(4) standard. The UFI USB transports does not support SYNC_CACHE. You should be able to pass that quirk back up to da(4) from umass(4) for all UFI devices just like you do with the NO_6 right now. -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/
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