On 09/11/2014 09:02 PM, Alexey Kardashevskiy wrote:
> 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
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 fo
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, unfortunat
On 09/11/2014 08:15 PM, Gerd Hoffmann wrote:
> Hi,
>
>> To be precise, it is kdump.
>
> Ok, kdump is a different story, radically turn off all DMA is reasonable
> in that case, normal driver shutdown might be unreliable after panic and
> it also changes system state too much for a useful dump.
Hi,
> To be precise, it is kdump.
Ok, kdump is a different story, radically turn off all DMA is reasonable
in that case, normal driver shutdown might be unreliable after panic and
it also changes system state too much for a useful dump.
ohci (and probably others too, but without spamming the l
On 09/11/2014 05:22 PM, Gerd Hoffmann wrote:
> On Do, 2014-09-11 at 17:11 +1000, Alexey Kardashevskiy wrote:
>> When the guest performs kexec() (for example, as a part of kdump),
>> new kernel does PCI probing. As a part of it, PCI_COMMAND_MASTER
>> gets disabled which disables bus master memory re
On Do, 2014-09-11 at 17:11 +1000, Alexey Kardashevskiy wrote:
> When the guest performs kexec() (for example, as a part of kdump),
> new kernel does PCI probing. As a part of it, PCI_COMMAND_MASTER
> gets disabled which disables bus master memory region.
> Since ohci_frame_boundary() timer is not s
When the guest performs kexec() (for example, as a part of kdump),
new kernel does PCI probing. As a part of it, PCI_COMMAND_MASTER
gets disabled which disables bus master memory region.
Since ohci_frame_boundary() timer is not stopped at this point
as OHCI device was not reset, the device tries ac
