On Fri, Jun 18, 2021 at 04:46:24PM +0100, Matthew Auld wrote:
> On Thu, 17 Jun 2021 at 18:27, Daniel Vetter wrote:
> >
> > On Mon, Jun 14, 2021 at 09:45:37PM +0900, Sergey Senozhatsky wrote:
> > > Hi,
> > >
> > > We are observing some user-space crashes (sigabort, segfaults etc.)
> > > under moder
On Thu, 17 Jun 2021 at 18:27, Daniel Vetter wrote:
>
> On Mon, Jun 14, 2021 at 09:45:37PM +0900, Sergey Senozhatsky wrote:
> > Hi,
> >
> > We are observing some user-space crashes (sigabort, segfaults etc.)
> > under moderate memory pressure (pretty far from severe pressure) which
> > have one thi
On (21/06/17 19:27), Daniel Vetter wrote:
> >
> > So can all allocations in gen8_init_scratch() use
> > GFP_KERNEL | __GFP_RETRY_MAYFAIL | __GFP_NOWARN
>
> Yeah that looks all fairly broken tbh. The only thing I didn't know was
> that GFP_DMA32 wasn't a full gfp mask with reclaim bits set as
On Mon, Jun 14, 2021 at 09:45:37PM +0900, Sergey Senozhatsky wrote:
> Hi,
>
> We are observing some user-space crashes (sigabort, segfaults etc.)
> under moderate memory pressure (pretty far from severe pressure) which
> have one thing in common - restrictive GFP mask in setup_scratch_page().
>
>
Hi,
We are observing some user-space crashes (sigabort, segfaults etc.)
under moderate memory pressure (pretty far from severe pressure) which
have one thing in common - restrictive GFP mask in setup_scratch_page().
For instance, (stable 4.19) drivers/gpu/drm/i915/i915_gem_gtt.c
(trimmed down ve
