Date: Sun, 11 Apr 2010 08:45:55 +0200 From: Hans Petter Selasky <hselasky@c2i.net> To: freebsd-usb@freebsd.org, Mikle Krutov <nekoexmachina@gmail.com> Subject: Re: usb/145513: New USB stack: no new devices after forced usb flash detach Message-ID: <201004110845.55740.hselasky@c2i.net> In-Reply-To: <201004102310.o3ANA2ZB096079@freefall.freebsd.org> References: <201004102310.o3ANA2ZB096079@freefall.freebsd.org>
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On Sunday 11 April 2010 01:10:03 Mikle Krutov wrote: > The following reply was made to PR usb/145513; it has been noted by GNATS. > > From: Mikle Krutov <nekoexmachina@gmail.com> > To: Hans Petter Selasky <hselasky@c2i.net> > Cc: freebsd-usb@freebsd.org, freebsd-gnats-submit@freebsd.org > Subject: Re: usb/145513: New USB stack: no new devices after forced usb > flash detach > Date: Sun, 11 Apr 2010 03:03:09 +0400 > > On Thu, Apr 08, 2010 at 07:29:43PM +0200, Hans Petter Selasky wrote: > > 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. > > > > --HPS > > Sorry for no-response for such a long time, that was because after the > kernel-update (i've fetched the latest sources before rebuilding with > debug support) i could not reproduce that bug. Before kernel-update it > has happened not every time, so i wanted to see what happends for a > couple of days. > Will you close this PR then if you cannot reproduce during the coming week? --HPS
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