Re: [stable] apparent regression (crash) - 184.108.40.206
From: Greg KH
Date: Wed May 18 2011 - 20:29:34 EST
On Wed, May 11, 2011 at 12:34:51PM -0700, Greg KH wrote:
> On Wed, May 11, 2011 at 02:19:17PM -0500, James Bottomley wrote:
> > On Wed, 2011-05-11 at 08:30 +0200, Jiri Slaby wrote:
> > > On 05/10/2011 09:55 PM, Michael Tokarev wrote:
> > > > Hello.
> > > >
> > > > I just tried 220.127.116.11 (which has been released today), and
> > > > discovered that it crashes during bootup on my machine.
> > > > 18.104.22.168 with exactly the same config works.
> > >
> > > Is it reproducible?
> > >
> > > > Unfortunately I don't have time _right now_ to debug the
> > > > issue, but will try tomorrow.
> > > >
> > > > For now, here's a part of dmesg with an oops, captured
> > > > using netconsole. If someone have a clue, please speak
> > > > up ;)
> > > >
> > > > What I also noticed is that for some reason, udev now loads
> > > > option driver (option: v0.7.2:USB Driver for GSM modems),
> > > > even if I don't have any modems connected to the system.
> > > > This is obviously not related to the issue at hand.
> > > ...
> > > > [ 106.761932] input: Logitech USB-PS/2 Optical Mouse as /devices/pci0000:00/0000:00:12.1/usb2/2-2/2-2:1.0/input/input6
> > > > [ 106.762170] generic-usb 0003:046D:C044.0004: input,hidraw0: USB HID v1.10 Mouse [Logitech USB-PS/2 Optical Mouse] on usb-0000:00:12.1-2/input0
> > > > [ 106.994177] scsi 10:0:0:0: Direct-Access Kingston DT HyperX HMAP PQ: 0 ANSI: 0 CCS
> > > > [ 106.994458] sd 10:0:0:0: Attached scsi generic sg3 type 0
> > > > [ 106.994628] BUG: unable to handle kernel NULL pointer dereference at 0000000000000048
> > > > [ 106.994755] IP: [<ffffffff811bec1b>] elv_queue_empty+0x1b/0x30
> > Hmm, it's another missing elevator guard, like this patch:
> > http://marc.info/?l=linux-scsi&m=130348673628282
> > I think the bug here is that q->elevator is null, so dereferencing
> > elevator->ops gives the bug.
> Is this patch going to Linus anytime soon?
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