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From: John Stultz <john.stultz@linaro.org>
To: Ayan Halder <Ayan.Halder@arm.com>
Cc: Brian Starkey <Brian.Starkey@arm.com>,
	"Andrew F. Davis" <afd@ti.com>, nd <nd@arm.com>,
	Sudipto Paul <Sudipto.Paul@arm.com>,
	Vincent Donnefort <Vincent.Donnefort@arm.com>,
	Chenbo Feng <fengc@google.com>,
	Alistair Strachan <astrachan@google.com>,
	Liam Mark <lmark@codeaurora.org>,
	lkml <linux-kernel@vger.kernel.org>,
	Christoph Hellwig <hch@infradead.org>,
	DRI mailing list <dri-devel@lists.freedesktop.org>,
	Hridya Valsaraju <hridya@google.com>,
	Pratik Patel <pratikp@codeaurora.org>
Subject: Re: [RESEND][PATCH v8 0/5] DMA-BUF Heaps (destaging ION)
Date: Fri, 18 Oct 2019 12:04:25 -0700	[thread overview]
Message-ID: <CALAqxLVeo6=CHabFZv7qMkNw+h_5xez+aF7CuBT=37Dz-=s5eg@mail.gmail.com> (raw)
In-Reply-To: <20191018185723.GA27993@arm.com>

On Fri, Oct 18, 2019 at 11:57 AM Ayan Halder <Ayan.Halder@arm.com> wrote:
> On Fri, Oct 18, 2019 at 11:49:22AM -0700, John Stultz wrote:
> > On Fri, Oct 18, 2019 at 11:41 AM Ayan Halder <Ayan.Halder@arm.com> wrote:
> > > With 'reusable', rmem_cma_setup() succeeds , but the kernel crashes as follows :-
> > >
> > > [    0.450562] WARNING: CPU: 2 PID: 1 at mm/cma.c:110 cma_init_reserved_areas+0xec/0x22c
> >
> > Is the value 0x60000000 you're using something you just guessed at? It
> > seems like the warning here is saying the pfn calculated from the base
> > address isn't valid.
> It is a valid memory region we use to allocate framebuffers.

Hrm. I guess I'd suggest digging to figure out why the kernel doesn't
see it as such.

Does this only happen with my patches applied? I'm sort of assuming
can you trip this even without them, but maybe I'm wrong?

thanks
-john

  reply	other threads:[~2019-10-18 19:04 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-06 18:47 [RESEND][PATCH v8 0/5] DMA-BUF Heaps (destaging ION) John Stultz
2019-09-06 18:47 ` [RESEND][PATCH v8 1/5] dma-buf: Add dma-buf heaps framework John Stultz
2019-09-23 22:08   ` Brian Starkey
2019-09-24 17:10     ` John Stultz
2019-09-06 18:47 ` [RESEND][PATCH v8 2/5] dma-buf: heaps: Add heap helpers John Stultz
2019-09-23 22:08   ` Brian Starkey
2019-09-06 18:47 ` [RESEND][PATCH v8 3/5] dma-buf: heaps: Add system heap to dmabuf heaps John Stultz
2019-09-23 22:09   ` Brian Starkey
2019-09-06 18:47 ` [RESEND][PATCH v8 4/5] dma-buf: heaps: Add CMA " John Stultz
2019-09-23 22:10   ` Brian Starkey
2019-09-06 18:47 ` [RESEND][PATCH v8 5/5] kselftests: Add dma-heap test John Stultz
2019-09-23 22:11   ` Brian Starkey
2019-09-26 21:36     ` John Stultz
2019-09-27  9:20       ` Brian Starkey
2019-09-19 16:51 ` [RESEND][PATCH v8 0/5] DMA-BUF Heaps (destaging ION) Sumit Semwal
2019-09-24 16:22   ` Ayan Halder
2019-09-24 16:28     ` John Stultz
2019-10-09 17:37     ` Ayan Halder
2019-10-09 18:27       ` Andrew F. Davis
2019-10-14  9:07         ` Brian Starkey
2019-10-16 17:40           ` Andrew F. Davis
2019-10-17 19:14             ` John Stultz
2019-10-17 19:29               ` Andrew F. Davis
2019-10-17 20:57                 ` John Stultz
2019-10-18  9:55                   ` Brian Starkey
2019-10-18 18:33                     ` John Stultz
2019-10-18 18:41                     ` Ayan Halder
2019-10-18 18:49                       ` John Stultz
2019-10-18 18:57                         ` Ayan Halder
2019-10-18 19:04                           ` John Stultz [this message]
2019-10-19 13:41                           ` Andrew F. Davis
2019-10-21  9:18                             ` Brian Starkey
2019-10-22 13:51                               ` Ayan Halder
2019-10-18 18:51                       ` Ayan Halder
2019-10-16 17:34       ` John Stultz
2019-09-30 13:40 ` Laura Abbott
     [not found] ` <20190930074335.6636-1-hdanton@sina.com>
2019-10-01 20:50   ` [RESEND][PATCH v8 3/5] dma-buf: heaps: Add system heap to dmabuf heaps John Stultz
     [not found] ` <20190930032651.8264-1-hdanton@sina.com>
2019-10-02 16:14   ` [RESEND][PATCH v8 1/5] dma-buf: Add dma-buf heaps framework John Stultz
     [not found] ` <20190930081434.248-1-hdanton@sina.com>
2019-10-02 16:15   ` [RESEND][PATCH v8 4/5] dma-buf: heaps: Add CMA heap to dmabuf heaps John Stultz

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