From: Alexey Kardashevskiy <aik@ozlabs.ru>
To: Gerd Hoffmann <kraxel@redhat.com>
Cc: qemu-ppc@nongnu.org, qemu-devel@nongnu.org,
Alexander Graf <agraf@suse.de>
Subject: Re: [Qemu-devel] [PATCH] ohci: Stop OHCI bus when PCI bus master is disabled
Date: Thu, 11 Sep 2014 21:02:15 +1000 [thread overview]
Message-ID: <54118137.9050305@ozlabs.ru> (raw)
In-Reply-To: <1410431916.6138.13.camel@nilsson.home.kraxel.org>
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
next prev parent reply other threads:[~2014-09-11 11:02 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-11 7:11 [Qemu-devel] [PATCH] ohci: Stop OHCI bus when PCI bus master is disabled Alexey Kardashevskiy
2014-09-11 7:22 ` Gerd Hoffmann
2014-09-11 8:18 ` Alexey Kardashevskiy
2014-09-11 10:15 ` Gerd Hoffmann
2014-09-11 10:30 ` Alexey Kardashevskiy
2014-09-11 10:38 ` Gerd Hoffmann
2014-09-11 11:02 ` Alexey Kardashevskiy [this message]
2014-09-12 4:09 ` Alexey Kardashevskiy
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