linux-kernel - Re: [regression 3.1.0 -> 3.20rc] USB Oops

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Message-ID: <Pine.LNX.4.44L0.1111231126470.2111-100000@iolanthe.rowland.org>
Date:	Wed, 23 Nov 2011 11:27:32 -0500 (EST)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Norbert Preining <preining@...ic.at>
cc:	linux-usb@...r.kernel.org, <linux-kernel@...r.kernel.org>
Subject: Re: [regression 3.1.0 -> 3.20rc] USB Oops

On Wed, 23 Nov 2011, Norbert Preining wrote:

> On Di, 22 Nov 2011, Alan Stern wrote:
> > > [   67.852328] BUG: unable to handle kernel NULL pointer dereference at 00000000000002d9
> > > [   67.853898] IP: [<ffffffffa0249e6b>] last_sector_hacks.part.2+0x72/0xe0 [usb_storage]
> > 
> > This is odd.  I've never seen a problem in that routine before.
> > 
> > What is "last_sector_hacks.part.2"?  In my kernel source tree there is
> > a last_sector_hacks() function in drivers/usb/storage/transport.c, but
> > what does the ".part.2" refer to?
> 
> No idea, here I am compiling with default Debian sid gcc, that is
> gcc (Debian 4.6.2-4) 4.6.2
> 
> Anything else I can do? Should I hack something into the code?

See the other questions in my previous email message (you cut them out
of this reply).

Alan Stern

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