Unable to handle kernel paging request at virtual address 0000001bf8068693

[paulmck@linux.vnet.ibm.com (Paul E. McKenney)]

On Wed, Sep 05, 2018 at 09:10:14PM -0700, Atish Patra wrote:
> On 9/5/18 2:07 PM, Paul E. McKenney wrote:
> >On Wed, Sep 05, 2018 at 12:06:48PM -0700, Christoph Hellwig wrote:
> >>On Wed, Sep 05, 2018 at 10:17:08AM -0700, Atish Patra wrote:
> >>>This issue is fixed in 4.19-rc1.
> >>>
> >>>If you don't want to pull the latest, here is the change you need to
> >>>cherry-pick to your branch.
> >>>
> >>>https://lore.kernel.org/lkml/20180626192746.GJ3593 at linux.vnet.ibm.com/
> >>
> >>Paul, I think we need this in 4.18-stable.
> >>
> >>Also Palmer, I think we should pick it up in riscv-linux-4.18.
> >>
> >>The mainline commit is:
> >>
> >>commit fcc63543650150629c8a873cbef3578770acecd9
> >>Author: Boqun Feng <boqun.feng@gmail.com>
> >>Date:   Fri Jun 15 12:06:31 2018 -0700
> >>
> >>     rcu: Make expedited GPs handle CPU 0 being offline
> >
> >OK, it backports cleanly and passes a short rcutorture test.  You guys
> >have tested it, correct?  If so, I am happy to pass it on to -stable.
> >
> >							Thanx, Paul
> >
> >
> Hi Paul,
> I had it tested on top of 4.18-rc8 with RISC-V board (HighFive Unleashed).
> 
> I can try again on 4.18-stable if required.

Hello, Atish,

Please do test it on 4.18-stable.  The -stable maintainers get
understandably annoyed when given non-working backports.  ;-)

							Thanx, Paul