Date: Fri, 17 Jan 2003 10:20:24 -0800 From: Darren Pilgrim <dmp@pantherdragon.org> To: Josef Karthauser <joe@FreeBSD.org> Cc: Anish Mistry <mistry.7@osu.edu>, freebsd-hackers@freebsd.org Subject: Re: USB hub detach causing panic in 4.7p3 Message-ID: <3E284968.3080901@pantherdragon.org> References: <3E23F9A4.9030101@pantherdragon.org> <200301141003.16160.mistry.7@osu.edu> <3E246D91.50701@pantherdragon.org> <20030117133442.GH91944@genius.tao.org.uk>
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Josef Karthauser wrote: > On Tue, Jan 14, 2003 at 12:05:37PM -0800, Darren Pilgrim wrote: > >>>>I have a USB hub that's built into my Viewsonic PT775 monitor. The hub >>>>probes during boot and post-boot attach as follows: >>>> >>>>When the hub is disconnected, whether by unplugging it or turning >>>>off the monitor, I get a panic in 4.7p3 if there are no devices >>>>connected to the hub's downstream ports. >>> >><mass snip> >> >>>Would this PR be related? >>>http://www.freebsd.org/cgi/query-pr.cgi?pr=ports/45579 >> >>I'm not sure? I didn't have anything running, that I could tell, that >>would have had the uhub device open. The machine was sitting idle at the >>login prompt. If someone would like to point me at a list of what I need >>to do to produce useful debugging information, I'll gladly do so. > > There are a number of brokenisms in the USB stack in -stable. As to > whether they will get fixed or not is a matter of whether anyone has the > time to MFC the USB stack from -current or not. It's much better over > there, and I've already merged the framework to make it easier to MFC, > but it is very unlikely that I will be attempting the work myself as I > don't use USB on -stable myself. So the problem I'm having is a known issue when detaching a uhub device, then? To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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