qemu -m 256 -hda xxx -monitor stdio -enable-kvm -postcopy -incoming
tcp:xxx:4444 -vnc :1
I think it doesn't go wrong
于 2012/1/5 20:18, Isaku Yamahata 写道:
> Hmm, this sounds like you haven't specified -postcopy option at the
> incoming qemu.
> How did you start incoming qemu?
>
>
> On Thu, Jan 05, 2012 at 07:10:42PM +0800, Tommy wrote:
>> After I use this series of patches, but the migration failed.
>> 2, I start migrate -d -p -n tcp:xxx:4444 on the outgoing node
>> 2, on the incoming part, the qemu get stuck and migration failed
>> the destnation can not typing any more
>>
>> today I found it's just at qemu_loadvm_state, just after the while loop
>> ,maybe
>> in cpu_synchronize_all_post_init
>> I think there is some problems with qemu side for it doesn't get to the umem
>> part
>> I'm not sure about the problem
>> do you have some suggestion?
>> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
>> Tommy
>>
>> From: Isaku Yamahata
>> Date: 2012-01-05 18:48
>> To: thfbjyddx
>> CC: t.hirofuchi; qemu-devel; kvm; satoshi.itoh
>> Subject: Re: [Qemu-devel] ??: [PATCH 2/2] umem: chardevice for kvm postcopy
>> On Thu, Jan 05, 2012 at 12:08:50PM +0800, thfbjyddx wrote:
>>> hi,
>>> I've tried to use this patch,
>>
>> Oh great! Can we share your results?
>>
>>
>>> but it doesn't work for compiling error on
>>>
>>> page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma, vmf->address);//vmf->
>>> virtual_address?
>>>
>>> I guess it's for the wrong kernel version?
>>> can you give me some detail about this or any clue?
>>> 3x
>>
>> Thank you for report. The following should fix.
>> It depends on kernel configuration. My config didn't catch it.
>>
>> diff --git a/drivers/char/umem.c b/drivers/char/umem.c
>> index 4d031b5..853f1ce 100644
>> --- a/drivers/char/umem.c
>> +++ b/drivers/char/umem.c
>> @@ -129,7 +129,7 @@ static int umem_minor_fault(struct umem *umem,
>> * vmf->page = fake_vmf->page;
>> */
>>
>> - page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma, vmf->address);
>> + page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma, vmf->virtual_address);
>> if (!page)
>> return VM_FAULT_OOM;
>> if (mem_cgroup_cache_charge(page, vma->vm_mm, GFP_KERNEL)) {
>>
>>
>>
>> --
>> yamahata
>>
>>
