Re: 5.1 kernel: khugepaged stuck at 100%

[Justin Piszcz]

On Thu, May 16, 2019 at 10:17 AM Justin Piszcz <jpiszcz@xxxxxxxxxxxxxxx> wrote:
>
> On Thu, May 16, 2019 at 10:14 AM Justin Piszcz <jpiszcz@xxxxxxxxxxxxxxx> wrote:
> >
> > On Tue, May 14, 2019 at 9:16 AM Kirill A. Shutemov <kirill@xxxxxxxxxxxxx> wrote:
> >
> > > Could you check what khugepaged doing?
> > >
> > > cat /proc/$(pidof khugepaged)/stack
> >
> > It is doing it again, 10:12am - 2019-05-16
> >
> >   PID USER      PR  NI    VIRT    RES    SHR S  %CPU  %MEM     TIME+ COMMAND
> >    77 root      39  19       0      0      0 R 100.0   0.0  92:06.94 khugepaged
> >
> > Kernel: 5.1.2
> >
> > $ sudo cat /proc/$(pidof khugepaged)/stack
> > [<0>] 0xffffffffffffffff
> >

As a workaround/in the meantime--I will add the following to lilo/grub:
transparent_hugepage=never

Justin