Re: [Qemu-devel] [PATCH] pc: memhp: enforce minimal 128Mb alignment for pc-dimm

2015-10-27 Thread Michael S. Tsirkin
On Tue, Oct 27, 2015 at 02:24:17PM -0200, Eduardo Habkost wrote: > On Tue, Oct 27, 2015 at 11:08:26AM +0200, Michael S. Tsirkin wrote: > > On Mon, Oct 26, 2015 at 04:33:18PM -0200, Eduardo Habkost wrote: > > > On Mon, Oct 26, 2015 at 09:42:05AM +0100, Igor Mammedov wrote: > > > > commit aa8580cd "p

Re: [Qemu-devel] [PATCH] pc: memhp: enforce minimal 128Mb alignment for pc-dimm

2015-10-27 Thread Eduardo Habkost
On Tue, Oct 27, 2015 at 11:08:26AM +0200, Michael S. Tsirkin wrote: > On Mon, Oct 26, 2015 at 04:33:18PM -0200, Eduardo Habkost wrote: > > On Mon, Oct 26, 2015 at 09:42:05AM +0100, Igor Mammedov wrote: > > > commit aa8580cd "pc: memhp: force gaps between DIMM's GPA" > > > regressed memory hot-unplu

Re: [Qemu-devel] [PATCH] pc: memhp: enforce minimal 128Mb alignment for pc-dimm

2015-10-27 Thread Michael S. Tsirkin
On Mon, Oct 26, 2015 at 04:33:18PM -0200, Eduardo Habkost wrote: > On Mon, Oct 26, 2015 at 09:42:05AM +0100, Igor Mammedov wrote: > > commit aa8580cd "pc: memhp: force gaps between DIMM's GPA" > > regressed memory hot-unplug for linux guests triggering > > following BUGON > > = > > kernel BUG

Re: [Qemu-devel] [PATCH] pc: memhp: enforce minimal 128Mb alignment for pc-dimm

2015-10-26 Thread Eduardo Habkost
On Mon, Oct 26, 2015 at 09:42:05AM +0100, Igor Mammedov wrote: > commit aa8580cd "pc: memhp: force gaps between DIMM's GPA" > regressed memory hot-unplug for linux guests triggering > following BUGON > = > kernel BUG at mm/memory_hotplug.c:703! > ... > [] acpi_memory_device_remove+0x79/0xa5

Re: [Qemu-devel] [PATCH] pc: memhp: enforce minimal 128Mb alignment for pc-dimm

2015-10-26 Thread Igor Mammedov
On Mon, 26 Oct 2015 11:02:10 +0200 "Michael S. Tsirkin" wrote: > On Mon, Oct 26, 2015 at 09:42:05AM +0100, Igor Mammedov wrote: > > commit aa8580cd "pc: memhp: force gaps between DIMM's GPA" > > regressed memory hot-unplug for linux guests triggering > > following BUGON > > = > > kernel BUG

Re: [Qemu-devel] [PATCH] pc: memhp: enforce minimal 128Mb alignment for pc-dimm

2015-10-26 Thread Michael S. Tsirkin
On Mon, Oct 26, 2015 at 09:42:05AM +0100, Igor Mammedov wrote: > commit aa8580cd "pc: memhp: force gaps between DIMM's GPA" > regressed memory hot-unplug for linux guests triggering > following BUGON > = > kernel BUG at mm/memory_hotplug.c:703! This is in portable code. Does this imply anyon

[Qemu-devel] [PATCH] pc: memhp: enforce minimal 128Mb alignment for pc-dimm

2015-10-26 Thread Igor Mammedov
commit aa8580cd "pc: memhp: force gaps between DIMM's GPA" regressed memory hot-unplug for linux guests triggering following BUGON = kernel BUG at mm/memory_hotplug.c:703! ... [] acpi_memory_device_remove+0x79/0xa5 [] acpi_bus_trim+0x5a/0x8d [] acpi_device_hotplug+0x1b7/0x418 === BUG