Re: [Qemu-devel] [PATCH v4 0/7] Fix QEMU crash during memory hotplug with vhost=on

2015-07-16 Thread Igor Mammedov
On Thu, 16 Jul 2015 13:24:35 +0300 "Michael S. Tsirkin" wrote: > On Thu, Jul 16, 2015 at 11:42:36AM +0200, Igor Mammedov wrote: > > On Thu, 16 Jul 2015 10:35:33 +0300 > > "Michael S. Tsirkin" wrote: > > > > > On Thu, Jul 16, 2015 at 09:26:21AM +0200, Igor Mammedov wrote: > > > > On Wed, 15 Jul

Re: [Qemu-devel] [PATCH v4 0/7] Fix QEMU crash during memory hotplug with vhost=on

2015-07-16 Thread Michael S. Tsirkin
On Thu, Jul 16, 2015 at 11:42:36AM +0200, Igor Mammedov wrote: > On Thu, 16 Jul 2015 10:35:33 +0300 > "Michael S. Tsirkin" wrote: > > > On Thu, Jul 16, 2015 at 09:26:21AM +0200, Igor Mammedov wrote: > > > On Wed, 15 Jul 2015 19:32:31 +0300 > > > "Michael S. Tsirkin" wrote: > > > > > > > On Wed,

Re: [Qemu-devel] [PATCH v4 0/7] Fix QEMU crash during memory hotplug with vhost=on

2015-07-16 Thread Igor Mammedov
On Thu, 16 Jul 2015 10:35:33 +0300 "Michael S. Tsirkin" wrote: > On Thu, Jul 16, 2015 at 09:26:21AM +0200, Igor Mammedov wrote: > > On Wed, 15 Jul 2015 19:32:31 +0300 > > "Michael S. Tsirkin" wrote: > > > > > On Wed, Jul 15, 2015 at 05:12:01PM +0200, Igor Mammedov wrote: > > > > On Thu, 9 Jul

Re: [Qemu-devel] [PATCH v4 0/7] Fix QEMU crash during memory hotplug with vhost=on

2015-07-16 Thread Michael S. Tsirkin
On Thu, Jul 16, 2015 at 09:26:21AM +0200, Igor Mammedov wrote: > On Wed, 15 Jul 2015 19:32:31 +0300 > "Michael S. Tsirkin" wrote: > > > On Wed, Jul 15, 2015 at 05:12:01PM +0200, Igor Mammedov wrote: > > > On Thu, 9 Jul 2015 13:47:17 +0200 > > > Igor Mammedov wrote: > > > > > > there also is ye

Re: [Qemu-devel] [PATCH v4 0/7] Fix QEMU crash during memory hotplug with vhost=on

2015-07-16 Thread Igor Mammedov
On Wed, 15 Jul 2015 19:32:31 +0300 "Michael S. Tsirkin" wrote: > On Wed, Jul 15, 2015 at 05:12:01PM +0200, Igor Mammedov wrote: > > On Thu, 9 Jul 2015 13:47:17 +0200 > > Igor Mammedov wrote: > > > > there also is yet another issue with vhost-user. It also has > > very low limit on amount of me

Re: [Qemu-devel] [PATCH v4 0/7] Fix QEMU crash during memory hotplug with vhost=on

2015-07-15 Thread Michael S. Tsirkin
On Wed, Jul 15, 2015 at 05:12:01PM +0200, Igor Mammedov wrote: > On Thu, 9 Jul 2015 13:47:17 +0200 > Igor Mammedov wrote: > > there also is yet another issue with vhost-user. It also has > very low limit on amount of memory regions (if I recall correctly 8) > and it's possible to trigger even wi

Re: [Qemu-devel] [PATCH v4 0/7] Fix QEMU crash during memory hotplug with vhost=on

2015-07-15 Thread Igor Mammedov
On Thu, 9 Jul 2015 13:47:17 +0200 Igor Mammedov wrote: there also is yet another issue with vhost-user. It also has very low limit on amount of memory regions (if I recall correctly 8) and it's possible to trigger even without memory hotplug. one just need to start QEMU with a several -numa memd

[Qemu-devel] [PATCH v4 0/7] Fix QEMU crash during memory hotplug with vhost=on

2015-07-09 Thread Igor Mammedov
Changelog: v3->v4: * drop patch extending memory_region_subregion_add() with error argument * and add memory_region_add_subregion_to_hva() API instead * add madvise(DONTNEED) when returning range to HVA container v2->v3: * fixed(work-arouned) unmapping issues, now memory sub