On Mon, Jul 06, 2020 at 04:09:36PM +0200, Nicolas Saenz Julienne wrote:
> On Sun, 2020-07-05 at 16:41 -0700, David Rientjes wrote:
> > On Fri, 3 Jul 2020, Robin Murphy wrote:
> > > Or perhaps just get rid of atomic_pool_dma32 (and allocate atomic_pool_dma
> > > from ZONE_DMA32 if !ZONE_DMA). That
On Sun, 2020-07-05 at 16:41 -0700, David Rientjes wrote:
> On Fri, 3 Jul 2020, Robin Murphy wrote:
>
> > > Just for the record the offending commit is: c84dc6e68a1d2 ("dma-pool: add
> > > additional coherent pools to map to gfp mask").
> > >
> > > On Thu, 2020-07-02 at 12:49 -0500, Jeremy Linton
On Fri, 3 Jul 2020, Robin Murphy wrote:
> > Just for the record the offending commit is: c84dc6e68a1d2 ("dma-pool: add
> > additional coherent pools to map to gfp mask").
> >
> > On Thu, 2020-07-02 at 12:49 -0500, Jeremy Linton wrote:
> > > Hi,
> > >
> > > Using 5.8rc3:
> > >
> > > The rpi4
On 2020-07-03 15:53, Nicolas Saenz Julienne wrote:
Hi Jeremy,
thanks for the bug report.
Just for the record the offending commit is: c84dc6e68a1d2 ("dma-pool: add
additional coherent pools to map to gfp mask").
On Thu, 2020-07-02 at 12:49 -0500, Jeremy Linton wrote:
Hi,
Using 5.8rc3:
The
Hi Jeremy,
thanks for the bug report.
Just for the record the offending commit is: c84dc6e68a1d2 ("dma-pool: add
additional coherent pools to map to gfp mask").
On Thu, 2020-07-02 at 12:49 -0500, Jeremy Linton wrote:
> Hi,
>
> Using 5.8rc3:
>
> The rpi4 has a 3G dev->bus_dma_limit on its XHCI
Hi,
Using 5.8rc3:
The rpi4 has a 3G dev->bus_dma_limit on its XHCI controller. With a usb3
hub, plus a few devices plugged in, randomly devices will fail
operations. This appears to because xhci_alloc_container_ctx() is
getting buffers > 3G via dma_pool_zalloc().
Tracking that down, it
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