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Re: [Qemu-devel] [PATCH] ohci: Stop OHCI bus when PCI bus master is disa
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From: |
Alexey Kardashevskiy |
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Subject: |
Re: [Qemu-devel] [PATCH] ohci: Stop OHCI bus when PCI bus master is disabled |
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Date: |
Thu, 11 Sep 2014 21:02:15 +1000 |
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User-agent: |
Mozilla/5.0 (X11; Linux i686 on x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.1.0 |
On 09/11/2014 08:38 PM, Gerd Hoffmann wrote:
> Hi,
>
>> Another question - I noticed that XHCI migration is broken in quite recent
>> upstream QEMU, smells like memory corruption. Is it just me or just PPC or
>> is it known issue?
>
> 2.0 -> 2.1 migration being broken is a known issue (patch for that one
> was on the list earlier this week, unfortunately missed 2.1.1).
>
> Other that that I'm not aware of any issues.
My bad, it was me.
I enabled 64bit DMA on pseries (the guest ram is mapped at
8000.0000.0000.0000 on the pci bus) and somehow this causes migration
errors. I thought there is no 64bit DMA-capable device in QEMU, and I was
wrong :)
/me is debugging
--
Alexey