Date: Thu, 8 Apr 2010 19:29:43 +0200 From: Hans Petter Selasky <hselasky@c2i.net> To: Mikle Krutov <nekoexmachina@gmail.com> Cc: freebsd-gnats-submit@freebsd.org, freebsd-usb@freebsd.org Subject: Re: usb/145513: New USB stack: no new devices after forced usb flash detach Message-ID: <201004081929.43956.hselasky@c2i.net> In-Reply-To: <20100408171403.GA58040@takino.homeftp.org> References: <201004081055.o38Atibu074389@www.freebsd.org> <201004081352.50108.hselasky@c2i.net> <20100408171403.GA58040@takino.homeftp.org>
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On Thursday 08 April 2010 19:14:03 Mikle Krutov wrote: > On Thu, Apr 08, 2010 at 01:52:50PM +0200, Hans Petter Selasky wrote: > > Hi, > > > > That's because the UMASS detach is hanging, most likely. > > > > Try to break into the kernel and get a backtrace. > > > > --HPS > > Hi, > I unfortunately could not find any info about how do i do this. Could > you provide me some link? > Add: options KDB # Enable kernel debugger support. options DDB # Support DDB. options GDB # Support remote GDB. When it hangs, enter this from the console: sysctl debug.kdb.panic=1 Type alltrace bt bt all or something similar. Type "continue" when you are finished. You can also use CTRL+ALT+ESC key combination. --HPShelp
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