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From: Andi Kleen <andi@firstfloor.org>
To: Dan Williams <dan.j.williams@gmail.com>
Cc: Alan Stern <stern@rowland.harvard.edu>,
	axboe@kernel.dk,
	James Bottomley <James.Bottomley@hansenpartnership.com>,
	Andi Kleen <andi@firstfloor.org>, Dave Jones <davej@redhat.com>,
	SCSI development list <linux-scsi@vger.kernel.org>,
	Kernel development list <linux-kernel@vger.kernel.org>,
	"Rafael J. Wysocki" <rjw@sisk.pl>,
	USB list <linux-usb@vger.kernel.org>
Subject: Re: Linux 3.0 oopses when pulling a USB CDROM
Date: Sun, 3 Jul 2011 20:16:15 +0200	[thread overview]
Message-ID: <20110703181615.GC15637@one.firstfloor.org> (raw)
In-Reply-To: <CAA9_cmd7KV_CkvbB+nsc7LHui8gECB-0d4oWt+6cA0x21=crDg@mail.gmail.com>

> Not sure it's related, but it sounds like the hotplug failures being
> seen with libsas hotplug.  Have not had a chance yet to track it down
> further with isci, but mvsas developer Xiangliang Yu is reporting:

It looks somewhat different: he has a bad pointer, not a NULL pointer,
and it's in elv_completed_request() (but that may be related to 
the different request types)

> 
> http://marc.info/?l=linux-scsi&m=130707166512002&w=2
> 
> He tracked it down to a suspected regression between .39-rc4 and
> .39-rc5 but did not finalize the bisect.

I can check if it disappears with .39-rc4.

> The isci driver sees this and other signatures all seemingly related
> to early device tear down and only when pulling a drive with in-flight
> i/o.

In my case it's not really in flight IO, but umount after pull with an
idle drive.

-Andi

  reply	other threads:[~2011-07-03 18:16 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
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 [this message]
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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