Re: Crashes/hung tasks with z3pool under memory pressure

From: Guenter Roeck
Date: Fri Apr 13 2018 - 13:56:24 EST


On Fri, Apr 13, 2018 at 05:40:18PM +0000, Vitaly Wool wrote:
> On Fri, Apr 13, 2018, 7:35 PM Guenter Roeck <linux@xxxxxxxxxxxx> wrote:
>
> > On Fri, Apr 13, 2018 at 05:21:02AM +0000, Vitaly Wool wrote:
> > > Hi Guenter,
> > >
> > >
> > > Den fre 13 apr. 2018 kl 00:01 skrev Guenter Roeck <linux@xxxxxxxxxxxx>:
> > >
> > > > Hi all,
> > >
> > > > we are observing crashes with z3pool under memory pressure. The kernel
> > > version
> > > > used to reproduce the problem is v4.16-11827-g5d1365940a68, but the
> > > problem was
> > > > also seen with v4.14 based kernels.
> > >
> > >
> > > just before I dig into this, could you please try reproducing the errors
> > > you see with https://patchwork.kernel.org/patch/10210459/ applied?
> > >
> >
> > As mentioned above, I tested with v4.16-11827-g5d1365940a68, which already
> > includes this patch.
> >
>
> Bah. Sorry. Expect an update after the weekend.
>
NP; easy to miss. Thanks a lot for looking into it.

Guenter