Date: Thu, 8 Apr 2010 13:52:50 +0200 From: Hans Petter Selasky <hselasky@c2i.net> To: freebsd-usb@freebsd.org Cc: freebsd-gnats-submit@freebsd.org Subject: Re: usb/145513: New USB stack: no new devices after forced usb flash detach Message-ID: <201004081352.50108.hselasky@c2i.net> In-Reply-To: <201004081055.o38Atibu074389@www.freebsd.org> References: <201004081055.o38Atibu074389@www.freebsd.org>
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On Thursday 08 April 2010 12:55:44 Krutov Mikle wrote: > >Number: 145513 > >Category: usb > >Synopsis: New USB stack: no new devices after forced usb flash > > detach Confidential: no > >Severity: serious > >Priority: low > >Responsible: freebsd-usb > >State: open > >Quarter: > >Keywords: > >Date-Required: > >Class: sw-bug > >Submitter-Id: current-users > >Arrival-Date: Thu Apr 08 11:00:15 UTC 2010 > >Closed-Date: > >Last-Modified: > >Originator: Krutov Mikle > >Release: 8.0-STABLE > >Organization: > >Environment: > > FreeBSD takino.homeftp.org 8.0-STABLE FreeBSD 8.0-STABLE #0: Mon Mar 8 > 06:25:34 MSK 2010 root@takino.homeftp.org:/usr/obj/usr/src/sys/TAKINO > amd64 > > >Description: > > After detaching the mounted usb-flash device, no new usb-devices are > detected. USB controller is "device = 'SB700 USB OHCI1 Controller" > > >How-To-Repeat: > > 1) attach (vfat-formated, did not test with other fs) flash device, mount > it 2) detach without umounting > 3) try to attach another usb-device > 4) see no new devices, no dmesg messages, nothing > Hi, That's because the UMASS detach is hanging, most likely. Try to break into the kernel and get a backtrace. --HPS
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