Re: [PATCH] xfs: fix system crash caused by null bp->b_pages

From: Rustam Kovhaev
Date: Fri Sep 24 2021 - 22:16:56 EST


Hi Dave,

On Wed, Sep 22, 2021 at 11:48:04AM +1000, Dave Chinner wrote:
> On Tue, Sep 21, 2021 at 03:48:13PM -0700, Rustam Kovhaev wrote:
> > Hi Fengfei, Eric,
> >
> > On Thu, Dec 24, 2020 at 01:35:32PM -0600, Eric Sandeen wrote:
> > > On 12/24/20 3:51 AM, Fengfei Xi wrote:
> > > > We have encountered the following problems several times:
> > > > 1、A raid slot or hardware problem causes block device loss.
> > > > 2、Continue to issue IO requests to the problematic block device.
> > > > 3、The system possibly crash after a few hours.
> > >
> > > What kernel is this on?
> > >
> >
> > I have a customer that recently hit this issue on 4.12.14-122.74
> > SLE12-SP5 kernel.
>
> I think need to engage SuSE support and engineering, then, as this
> is not a kernel supported by upstream devs. I'd be saying the same
> thing if this was an RHEL frankenkernel, too.
>

roger that, should not be a problem, thank you!