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Bug#850425: mpt3sas "swiotlb buffer is full" problem only under Xen

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On 11/03/2019 20:50, Hans van Kranenburg wrote:
> On 3/11/19 7:34 AM, Juergen Gross wrote:
>>
>> I'm not sure. Patch 3 of this series is basically already there (see
>> commit c6d4381220a0087ce19dbf6984d92c451bd6b364). So maybe all we need
>> is patch 4, which should really be easy to do?
>>
>> Hans, could you give it a try? You'd need to use a 4.20 kernel at least.
>> I can do the official patch posting in case you confirm it working.
> 
> Ehm ok, well... This is interesting.
> 
> I just built a 4.20.13 (without the patch), and I did it from the Debian
> kernel team repo, because then I just get all latest config options like
> I would get them in Debian.
> 
> I rebooted the HP Z820 with it (with Xen 4.11) and I don't see any
> errors similar to the ones I pasted earlier.
> 
> I haven't been running any domU on it yet (just installed it), but this
> is not what I expected.

Well, commit c6d4381220a0087ce19dbf6984d92c451bd6b364 is part of a
rather large series making the dma interface cleaner and using it more
correctly where appropriate. Maybe your use case is covered by this
series already.


Juergen

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Bug#850425: mpt3sas "swiotlb buffer is full" problem only under Xen Juergen Gross <jgross@suse.com> - 2019-03-11 08:00 +0100
  Bug#850425: mpt3sas "swiotlb buffer is full" problem only under Xen Juergen Gross <jgross@suse.com> - 2019-03-12 17:10 +0100
    Bug#850425: mpt3sas "swiotlb buffer is full" problem only under Xen Juergen Gross <jgross@suse.com> - 2019-03-12 20:30 +0100

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