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Re: [REGRESSION next-20170426] Commit 09515ef5ddad ("of/acpi: Configure dma operations at probe time for platform/amba/pci bus devices") causes oops in mvneta

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Hi Ralph,

On 4/27/2017 7:05 PM, Sricharan R wrote:
> Hi,
> 
> On 4/26/2017 9:45 PM, Ralph Sennhauser wrote:
>> Hi Sricharan R,
>>
>> Commit 09515ef5ddad ("of/acpi: Configure dma operations at probe time
>> for platform/amba/pci bus devices") causes a kernel panic as in the log
>> below on an armada-385. Reverting the commit fixes the issue.
>>
>> Regards
>> Ralph
> 
> Somehow not getting a obvious clue on whats going wrong with the logs
> below. From the log and looking in to dts, the drivers seems to the one for
> "marvell,armada-370-neta". Issue looks the data from the dma has gone bad
> and subsequently referring the wrong data has resulted in the crash.
> Looks like the dma_masks is the one going wrong.
> Can i get some logs from mvneta_probe, about dev->dma_mask,
> dev->coherent_dma_mask and dev->dma_ops with and without the patch
> to see whats the difference ?
> 

Attached the patch with debug prints.

Regards,
 Sricharan

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[REGRESSION next-20170426] Commit 09515ef5ddad ("of/acpi: Configure  dma operations at probe time for platform/amba/pci bus devices") causes  oops in mvneta Ralph Sennhauser <ralph.sennhauser@gmail.com> - 2017-04-26 18:20 +0200
  Re: [REGRESSION next-20170426] Commit 09515ef5ddad ("of/acpi:  Configure dma operations at probe time for platform/amba/pci bus devices")  causes oops in mvneta Joerg Roedel <jroedel@suse.de> - 2017-04-27 10:50 +0200
    Re: [REGRESSION next-20170426] Commit 09515ef5ddad ("of/acpi:  Configure dma operations at probe time for platform/amba/pci bus devices")  causes oops in mvneta Sricharan R <sricharan@codeaurora.org> - 2017-04-27 11:00 +0200
  Re: [REGRESSION next-20170426] Commit 09515ef5ddad ("of/acpi:  Configure dma operations at probe time for platform/amba/pci bus devices")  causes oops in mvneta Sricharan R <sricharan@codeaurora.org> - 2017-04-27 15:40 +0200
    Re: [REGRESSION next-20170426] Commit 09515ef5ddad ("of/acpi:  Configure dma operations at probe time for platform/amba/pci bus devices")  causes oops in mvneta Ralph Sennhauser <ralph.sennhauser@gmail.com> - 2017-04-27 16:50 +0200
      Re: [REGRESSION next-20170426] Commit 09515ef5ddad ("of/acpi:  Configure dma operations at probe time for platform/amba/pci bus devices")  causes oops in mvneta Sricharan R <sricharan@codeaurora.org> - 2017-04-28 07:50 +0200
        Re: [REGRESSION next-20170426] Commit 09515ef5ddad ("of/acpi:  Configure dma operations at probe time for platform/amba/pci bus devices")  causes oops in mvneta Ralph Sennhauser <ralph.sennhauser@gmail.com> - 2017-04-28 08:20 +0200
          Re: [REGRESSION next-20170426] Commit 09515ef5ddad ("of/acpi:  Configure dma operations at probe time for platform/amba/pci bus devices")  causes oops in mvneta Sricharan R <sricharan@codeaurora.org> - 2017-04-28 14:00 +0200
            Re: [REGRESSION next-20170426] Commit 09515ef5ddad ("of/acpi:  Configure dma operations at probe time for platform/amba/pci bus devices")  causes oops in mvneta Ralph Sennhauser <ralph.sennhauser@gmail.com> - 2017-04-28 14:30 +0200
              Re: [REGRESSION next-20170426] Commit 09515ef5ddad ("of/acpi:  Configure dma operations at probe time for platform/amba/pci bus devices")  causes oops in mvneta Sricharan R <sricharan@codeaurora.org> - 2017-04-28 15:20 +0200
                Re: [REGRESSION next-20170426] Commit 09515ef5ddad ("of/acpi:  Configure dma operations at probe time for platform/amba/pci bus devices")  causes oops in mvneta Joerg Roedel <jroedel@suse.de> - 2017-04-28 17:10 +0200
    Re: [REGRESSION next-20170426] Commit 09515ef5ddad ("of/acpi:  Configure dma operations at probe time for platform/amba/pci bus devices")  causes oops in mvneta Sricharan R <sricharan@codeaurora.org> - 2017-04-28 06:40 +0200

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