Re: [Bug #12606] fb_mmap: circular locking dependency on hibernation

Rafael J. Wysocki
2009-02-08T22:06:09Z

On Sunday 08 February 2009, Andrea Righi wrote:
> On 2009-02-08 20:21, Rafael J. Wysocki wrote:
> > This message has been generated automatically as a part of a report
> > of recent regressions.
> >
> > The following bug entry is on the current list of known regressions
> > from 2.6.28. Please verify if it still should be listed and let me know
> > (either way).
> >
> >
> > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12606
> > Subject : fb_mmap: circular locking dependency on hibernation
> > Submitter : Andrey Borzenkov <arvidjaar-JGs/UdohzUI@public.gmane.org>
> > Date : 2009-01-27 18:37 (13 days old)
> > References : http://marc.info/?l=linux-kernel&m=123308162731408&w=4
> > Handled-By : Andrea Righi <righi.andrea-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> > Patch : http://marc.info/?l=linux-kernel&m=123365581406194&w=2
>
> This is fixed by:
>
> commit 1f5e31d7e55ac7fbd4ec5e5b20c8868b0e4564c9
> Author: Andrea Righi <righi.andrea-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> Date: Wed Feb 4 15:12:03 2009 -0800
>
> fbmem: don't call copy_from/to_user() with mutex held

Thanks, closed.

Rafael