[Spice-devel] [Qemu-devel] Seem thread Competition

[ZhouPeng]

On Mon, Dec 26, 2011 at 5:31 PM, Alon Levy <alevy at redhat.com> wrote:
> On Mon, Dec 26, 2011 at 02:36:55PM +0800, ZhouPeng wrote:
>> On Thu, Dec 22, 2011 at 8:49 PM, ZhouPeng <zpengxen at gmail.com> wrote:
>> > On Thu, Dec 22, 2011 at 6:53 PM, Alon Levy <alevy at redhat.com> wrote:
>> >> On Thu, Dec 22, 2011 at 10:00:18AM +0000, Alon Levy wrote:
>> >>> On Thu, Dec 22, 2011 at 05:42:29PM +0800, ZhouPeng wrote:
>> >>> > On Thu, Dec 22, 2011 at 4:42 PM, Alon Levy <alevy at redhat.com> wrote:
>> >>> > > On Thu, Dec 22, 2011 at 10:13:50AM +0800, ZhouPeng wrote:
>> >>> > >> Hi,
>> >>> > >>
>> >>> > >> I meet the err:
>> >>> > >>
>> >>> > >> # virsh dumpxml 63
>> >>> > >> error: internal error cannot parse json {"timestamp": {"seconds":
>> >>> > >> 1323332828, "microseco{"timest35p":39}, "econds":PICE_D 1CO3233TE828,
>> >>> > >> Dmicrosec "ds"data"52}, : {"ser: "SPrCE_DIS"ONNEC{ED", "port": {"serve
>> >>> > >> ": {6299": "62, "famiamily": "ipv:", "hist": pv4"1 "hos6":
>> >>> > >> "182.168.12.231"}, "2lient.: {"p2rt": 3350196, "fa"ily": "}, "cl,
>> >>> > >> "ho{sport":t"35020", ": "19y": "i2.4", "168.1.": "19}: lexical error:
>> >>> > >> invalid string in json text.
>> >>> > >>           ds": 1323332828, "microseco{"timest35p":39}, "econds":PICE_D
>> >>> > >>
>> >>> > >> This similar bug seems has been reported by:
>> >>> > >> https://bugzilla.redhat.com/show_bug.cgi?id=744105
>> >>> > >>
>> >>> > >> The patch(http://cgit.freedesktop.org/spice/qemu/commit/?h=spice.v42)
>> >>> > >> seems be related with the competition.
>> >>> > >> But I searched the upstream qemu, it has not been merged in.
>> >>> > >>
>> >>> > >> My qemu is qemu-kvm-0.15.1 on 3.1.2-1.fc16.x86_64
>> >>> > >>
>> >>> > >> Is there any plan about this bug, it seems be some serious.
>> >>> > >>
>> >>> > >
>> >>> > > The patch Daniel Berrange mentioned wotrked around it in qemu and is in
>> >>> > > qemu 1.0-rc0 and onward, still checking qemu-kvm. There is another patch
>> >>> >
>> >>> > Yea, I searched  in spice-core.c again and the patch is in qemu unstable
>> >>> > Sorry, I carelessly search by " me " but not " me;" before.
>> >>>
>> >>> It is in qemu-kvm-1.0 as well. But like you said fedora carries 0.15.1
>> >>> that doesn't have it.
>> >>>
>> >>> > > in spice-0.10 and in 0.8, still need to check if it's in fedora. Which
>> >>> > > version of spice are you using?
>> >>> >
>> >>> > spice-server.x86_64  version 0.9.1
>> >>>
>> >>> which doesn't have the spice side fix. but 0.10.0 has it, and it is
>> >>> closest to 0.9.1. I assume this is from the fedora package as well since
>> >>> you mentioned qemu-kvm is from a fedora package? seems the latest is
>> >>> indeed 0.9.1-1, can you test
>> >>> http://koji.fedoraproject.org/koji/buildinfo?buildID=273917
>> >>> (spice-server-0.10.0-1)?
>> >>>
>> >>
>> >> If you find it fixes your problem and doesn't introduce any new ones
>> >> please +1 spice-0.10.0-1.fc16 at
>> >> https://admin.fedoraproject.org/updates/spice-0.10.0-1.fc16
>> Have +1, Thanks.
>> >
>> > After the steps below, I am sure it is spice-server-0.10.0-1.fc16.x86_64 works.
>> > [root at localhost pkgconfig]# ldd /usr/bin/qemu-kvm
>> >      libspice-server.so.1 => /usr/lib64/libspice-server.so.1
>> > (0x00007f5f02799000)
>> >
>> > [root at localhost ~]# rpm --erase spice-server-0.9.1-1.fc16.x86_64 --nodeps
>> > [root at localhost ~]# rpm --erase spice-server-0.10.0-1.fc16.x86_64 --nodeps
>> > [root at localhost ~]# ls /usr/lib64/libspice-server* -l
>> > lrwxrwxrwx. 1 root root 24 Dec 20 06:43 /usr/lib64/libspice-server.so
>> > -> libspice-server.so.1.0.2
>> > [root at localhost ~]# virsh restore 43.ckp
>> > error: Failed to restore domain from 43.ckp
>> > error: internal error Child process (LC_ALL=C
>> > PATH=/sbin:/usr/sbin:/bin:/usr/bin /usr/bin/qemu-kvm -help) status
>> > unexpected: exit status 127
>> >  //Note: libspice-server.so.1.0.2 doesn't exists
>> >
>> > [root at localhost ~]# rpm -i spice-server-0.10.0-1.fc16.x86_64.rpm
>> > [root at localhost ~]# ls /usr/lib64/libspice-server* -l
>> > lrwxrwxrwx. 1 root root     24 Dec 20 06:43
>> > /usr/lib64/libspice-server.so -> libspice-server.so.1.0.2
>> > lrwxrwxrwx  1 root root     24 Dec 22 07:21
>> > /usr/lib64/libspice-server.so.1 -> libspice-server.so.1.0.2
>> > -rwxr-xr-x  1 root root 983600 Nov 14 08:08 /usr/lib64/libspice-server.so.1.0.2
>> > [root at localhost ~]# virsh restore 43.ckp
>> > Domain restored from 43.ckp
>> > ----
>> > The software suits related:
>> >
>> >  spice-server   x86_64   0.10.0-1.fc16    installed
>> >  qemu-kvm      x86_64   2:0.15.1-3.fc16  @updates
>> >
>> > This random bug appears at least 2 time one day before fixing.
>> > So in the coming 2 days, if this bug does't appear again, I will
>> > assume spice-server-0.10.0-1.fc16.x86_64.rpm fix it :)
>>
>> The bug does appear again, So I think
>
> You meant doesn't?
Yea
sorry a typo
>> spice-server-0.10.0-1.fc16.x86_64.rpm can fix.
>>
>> The bug appear in my  software before, in steps  below:
>>
>> 1) virsh restore vm.ckp vm.xml
>> 2) spice client connect
>> some time later go step 3)
>> 3) virsh dump vm  vm.xml
>> 4) virsh save vm vm.ckp
>> some time later go step 1) again
>>
>> The err always appears in step 3) at random.
>>
>> Anyway it is fixed.
>> Thanks,

-- 
Zhou Peng