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From: James Bottomley <James.Bottomley-d9PhHud1JfjCXq6kfMZ53/egYHeGw8Jk@public.gmane.org>
To: Andi Kleen <andi-Vw/NltI1exuRpAAqCnN02g@public.gmane.org>
Cc: Alan Stern
	<stern-nwvwT67g6+6dFdvTe/nMLpVzexx5G7lz@public.gmane.org>,
	Dave Jones <davej-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	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
Subject: Re: Linux 3.0 oopses when pulling a USB CDROM
Date: Sat, 02 Jul 2011 12:09:26 -0500	[thread overview]
Message-ID: <1309626567.2554.11.camel@mulgrave> (raw)
In-Reply-To: <20110702170554.GJ23059-qrUzlfsMFqo/4alezvVtWx2eb7JE58TQ@public.gmane.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


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  parent reply	other threads:[~2011-07-02 17:09 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-01 17:05 Linux 3.0 oopses when pulling a USB CDROM Andi Kleen
2011-07-01 18:14 ` Dave Jones
2011-07-01 18:32   ` Andi Kleen
2011-07-01 18:40     ` Dave Jones
2011-07-02 15:13     ` Christoph Fritz
2011-07-01 20:29   ` James Bottomley
2011-07-01 20:43     ` [PATCH] USB: fix regression occurring during device removal Alan Stern
2011-07-01 21:04       ` Andi Kleen
2011-07-01 21:04     ` Linux 3.0 oopses when pulling a USB CDROM Alan Stern
2011-07-01 21:13       ` James Bottomley
2011-07-02  2:03         ` Alan Stern
2011-07-02  6:08           ` Andi Kleen
2011-07-02 12:24             ` James Bottomley
2011-07-02 17:05               ` Andi Kleen
     [not found]                 ` <20110702170554.GJ23059-qrUzlfsMFqo/4alezvVtWx2eb7JE58TQ@public.gmane.org>
2011-07-02 17:09                   ` James Bottomley [this message]
2011-07-02 18:15                     ` Andi Kleen
2011-07-02 20:05                       ` Alan Stern
     [not found]                         ` <Pine.LNX.4.44L0.1107021559250.16190-100000-pYrvlCTfrz9XsRXLowluHWD2FQJk+8+b@public.gmane.org>
2011-07-03  1:16                           ` Andi Kleen
     [not found]                             ` <20110703011630.GA15637-qrUzlfsMFqo/4alezvVtWx2eb7JE58TQ@public.gmane.org>
2011-07-03 15:29                               ` Alan Stern
2011-07-03 16:06                                 ` Alan Stern
2011-07-02 17:37               ` Alan Stern
2011-07-02 18:11                 ` Andi Kleen
2011-07-02 19:59                   ` Alan Stern
2011-07-03  1:17                     ` Andi Kleen
2011-07-07 20:47                     ` solved was " Andi Kleen
2011-07-18 16:59                     ` Dan Williams
2011-07-18 18:00                       ` Andi Kleen
2011-07-20  9:58                       ` Jack Wang
2011-10-18 21:16                         ` Ankit Jain
2011-10-18 21:30                           ` James Bottomley
2011-10-21 13:26                             ` Hannes Reinecke
2011-07-03  9:14                 ` Dan Williams
2011-07-03 18:16                   ` Andi Kleen
2011-07-03 20:37                 ` Stefan Richter
2011-07-08 13:37                   ` Stefan Richter
2011-07-08 13:41                     ` Stefan Richter
     [not found]                 ` <Pine.LNX.4.44L0.1107021320180.14703-100000-pYrvlCTfrz9XsRXLowluHWD2FQJk+8+b@public.gmane.org>
2011-07-04 11:27                   ` Heiko Carstens
2011-07-04 16:04                     ` Alan Stern
2011-07-06  6:50                       ` Heiko Carstens
2011-07-12 18:49                       ` Jonathan McDowell
2011-07-02 12:38             ` Alan Stern
     [not found]               ` <Pine.LNX.4.44L0.1107020837220.11097-100000-pYrvlCTfrz9XsRXLowluHWD2FQJk+8+b@public.gmane.org>
2011-07-02 18:10                 ` Andi Kleen
     [not found]             ` <20110702060846.GH23059-qrUzlfsMFqo/4alezvVtWx2eb7JE58TQ@public.gmane.org>
2011-07-02 12:48               ` Rafael J. Wysocki
2011-07-02 17:06                 ` Andi Kleen
2011-07-01 19:20 ` James Bottomley
2011-07-01 19:33   ` James Bottomley
2011-07-01 19:45     ` James Bottomley

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