Re: [Qemu-devel] [BUG] Balloon malfunctions with memory hotplug

2015-03-02 Thread zhanghailiang
On 2015/3/2 14:22, Amit Shah wrote: On (Fri) 27 Feb 2015 [12:09:20], zhanghailiang wrote: On 2015/2/27 3:26, Luiz Capitulino wrote: Hello, Reproducer: 1. Start QEMU with balloon and memory hotplug support: # qemu [...] -m 1G,slots=2,maxmem=2G -balloon virtio 2. Check balloon size: (qemu) i

Re: [Qemu-devel] [BUG] Balloon malfunctions with memory hotplug

2015-03-02 Thread Luiz Capitulino
On Mon, 2 Mar 2015 11:52:34 +0530 Amit Shah wrote: > > >Another important detail is that, I *suspect* that a very similar > > >bug already exists with 32-bit guests even without memory > > >hotplug: what happens if you assign 6GB to a 32-bit without PAE > > >support? I think the same problem we'r

Re: [Qemu-devel] [BUG] Balloon malfunctions with memory hotplug

2015-03-01 Thread Amit Shah
On (Fri) 27 Feb 2015 [12:09:20], zhanghailiang wrote: > On 2015/2/27 3:26, Luiz Capitulino wrote: > >Hello, > > > >Reproducer: > > > >1. Start QEMU with balloon and memory hotplug support: > > > ># qemu [...] -m 1G,slots=2,maxmem=2G -balloon virtio > > > >2. Check balloon size: > > > >(qemu) info b

Re: [Qemu-devel] [BUG] Balloon malfunctions with memory hotplug

2015-02-28 Thread Alexandre DERUMIER
Hi, I think they was already reported some month ago, and a patch was submitted to the mailing list (but waiting that memory unplug was merged before apply it) http://lists.gnu.org/archive/html/qemu-devel/2014-11/msg02362.html - Mail original - De: "Luiz Capitulino" À: "qemu-devel

Re: [Qemu-devel] [BUG] Balloon malfunctions with memory hotplug

2015-02-27 Thread Luiz Capitulino
On Fri, 27 Feb 2015 08:27:00 +0100 Markus Armbruster wrote: > Luiz Capitulino writes: > > > Hello, > > > > Reproducer: > > > > 1. Start QEMU with balloon and memory hotplug support: > > > > # qemu [...] -m 1G,slots=2,maxmem=2G -balloon virtio > > > > 2. Check balloon size: > > > > (qemu) info b

Re: [Qemu-devel] [BUG] Balloon malfunctions with memory hotplug

2015-02-27 Thread Luiz Capitulino
On Fri, 27 Feb 2015 12:09:20 +0800 zhanghailiang wrote: > On 2015/2/27 3:26, Luiz Capitulino wrote: > > Hello, > > > > Reproducer: > > > > 1. Start QEMU with balloon and memory hotplug support: > > > > # qemu [...] -m 1G,slots=2,maxmem=2G -balloon virtio > > > > 2. Check balloon size: > > > > (qe

Re: [Qemu-devel] [BUG] Balloon malfunctions with memory hotplug

2015-02-26 Thread Markus Armbruster
Luiz Capitulino writes: > Hello, > > Reproducer: > > 1. Start QEMU with balloon and memory hotplug support: > > # qemu [...] -m 1G,slots=2,maxmem=2G -balloon virtio > > 2. Check balloon size: > > (qemu) info balloon > balloon: actual=1024 > (qemu) > > 3. Hotplug some memory: > > (qemu) object_ad

Re: [Qemu-devel] [BUG] Balloon malfunctions with memory hotplug

2015-02-26 Thread zhanghailiang
On 2015/2/27 3:26, Luiz Capitulino wrote: Hello, Reproducer: 1. Start QEMU with balloon and memory hotplug support: # qemu [...] -m 1G,slots=2,maxmem=2G -balloon virtio 2. Check balloon size: (qemu) info balloon balloon: actual=1024 (qemu) 3. Hotplug some memory: (qemu) object_add memory-b

[Qemu-devel] [BUG] Balloon malfunctions with memory hotplug

2015-02-26 Thread Luiz Capitulino
Hello, Reproducer: 1. Start QEMU with balloon and memory hotplug support: # qemu [...] -m 1G,slots=2,maxmem=2G -balloon virtio 2. Check balloon size: (qemu) info balloon balloon: actual=1024 (qemu) 3. Hotplug some memory: (qemu) object_add memory-backend-ram,id=mem1,size=1G (qemu) device_ad