Re: [2.6.24 REGRESSION] BUG: Soft lockup - with VFS

From: James Morris
Date: Tue Feb 05 2008 - 05:03:48 EST


On Mon, 4 Feb 2008, Andrew Morton wrote:

> On Mon, 28 Jan 2008 09:31:43 +0100 "Oliver Pinter (Pintér Olivér)" <oliver.pntr@xxxxxxxxx> wrote:
>
> > hi all!
> >
> > in the 2.6.24 become i some soft lockups with usb-phone, when i pluged
> > in the mobile, then the vfs-layer crashed. am afternoon can i the
> > .config send, and i bisected the kernel, when i have time.
> >
> > pictures from crash:
> > http://students.zipernowsky.hu/~oliverp/kernel/regression_2624/
>
> It looks like selinux's file_has_perm() is doing spin_lock() on an
> uninitialised (or already locked) spinlock.

Perplexing.

Do you have all of the lock debugging enabled?


- James
--
James Morris
<jmorris@xxxxxxxxx>