From mboxrd@z Thu Jan 1 00:00:00 1970 From: James Bottomley Subject: Re: Linux 3.0 oopses when pulling a USB CDROM Date: Sat, 02 Jul 2011 12:09:26 -0500 Message-ID: <1309626567.2554.11.camel@mulgrave> References: <1309554818.2722.48.camel@mulgrave> <20110702060846.GH23059@one.firstfloor.org> <1309609482.2554.8.camel@mulgrave> <20110702170554.GJ23059@one.firstfloor.org> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20110702170554.GJ23059-qrUzlfsMFqo/4alezvVtWx2eb7JE58TQ@public.gmane.org> Sender: linux-usb-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Andi Kleen Cc: Alan Stern , Dave Jones , linux-scsi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, axboe-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org, rjw-KKrjLPT3xs0@public.gmane.org, linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-scsi@vger.kernel.org On Sat, 2011-07-02 at 19:05 +0200, Andi Kleen wrote: > > Which goes from the device unplug to the oops. However, there are puts > > missing from this; particularly the one where the reference goes to > > zero. > > The count was always one off because it dumps it before the actual > put. I know this. What I mean is the last seen put count before the oops is 3 (not 1). And the transition after unplug goes 13->12->10->8->7->6->5->3 implying we're missing put events. James -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html