From: Wen Congyang <wency@cn.fujitsu.com>
To: Vasilis Liaskovitis <vasilis.liaskovitis@profitbricks.com>
Cc: linux-s390@vger.kernel.org, linux-ia64@vger.kernel.org,
len.brown@intel.com, linux-acpi@vger.kernel.org,
linux-sh@vger.kernel.org, x86@kernel.org,
linux-kernel@vger.kernel.org, cmetcalf@tilera.com,
linux-mm@kvack.org, isimatu.yasuaki@jp.fujitsu.com,
paulus@samba.org, minchan.kim@gmail.com,
kosaki.motohiro@jp.fujitsu.com, rientjes@google.com,
sparclinux@vger.kernel.org, cl@linux.com,
linuxppc-dev@lists.ozlabs.org, akpm@linux-foundation.org,
liuj97@gmail.com
Subject: Re: [RFC v9 PATCH 00/21] memory-hotplug: hot-remove physical memory
Date: Fri, 28 Sep 2012 09:41:46 +0800 [thread overview]
Message-ID: <5065005A.4020907@cn.fujitsu.com> (raw)
In-Reply-To: <20120927103557.GA30772@dhcp-192-168-178-175.profitbricks.localdomain>
At 09/27/2012 06:35 PM, Vasilis Liaskovitis Wrote:
> On Thu, Sep 27, 2012 at 02:37:14PM +0800, Wen Congyang wrote:
>> Hi Vasilis Liaskovitis
>>
>> At 09/27/2012 12:46 AM, Vasilis Liaskovitis Wrote:
>>> Hi,
>>>
>>> I am testing 3.6.0-rc7 with this v9 patchset plus more recent fixes [1],[2],[3]
>>> Running in a guest (qemu+seabios from [4]).
>>> CONFIG_SLAB=y
>>> CONFIG_DEBUG_SLAB=y
>>>
>>> After succesfull hot-add and online, I am doing a hot-remove with "echo 1 > /sys/bus/acpi/devices/PNP/eject"
>>> When I do the OSPM-eject, I often get slab corruption in "acpi-state" cache, or in other caches
>>
>> I can't reproduce this problem. Can you provide the following information:
>> 1. config file
>> 2. qemu's command line
>>
>> You said you did OSPM-eject. Do you mean write 1 to /sys/bus/acpi/devices/PNP0C80:XX/eject?
> yes.
>
> example qemu command line with one dimm:
>
> "/opt/qemu-kvm-memhp/bin/qemu-system-x86_64 -bios
> /opt/extra/vliaskov/devel/seabios-upstream/out/bios.bin -enable-kvm -M pc -smp
> 4,maxcpus=8 -cpu host -m 2048 -drive file=/opt/extra/debian-template.raw,if=none,id=drive-virtio-disk0,format=raw
> -device virtio-blk-pci,bus=pci.0,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1
> -vga cirrus -netdev type=tap,id=guest0,vhost=on -device virtio-net-pci,netdev=guest0
> -monitor unix:/tmp/qemu.monitor11,server,nowait -chardev stdio,id=seabios -device
> isa-debugcon,iobase=0x402,chardev=seabios
> -dimm id=n0,size=512M,node=0"
>
> or last line with 2 numa nodes:
> "-dimm id=n0,size=512M,node=0 -dimm id=n1,size=512M,node=1 -numa node,nodeid=0 -numa node,nodeid=1"
I have reproduced this problem. It only can be reproduced when the dimm's memory is on node 0.
I investigate it now.
Thanks
Wen Congyang
>
> attached config. Tree is at:
> https://github.com/vliaskov/linux/commits/memhp-fujitsu
>
> thanks,
> - Vasilis
next prev parent reply other threads:[~2012-09-28 2:00 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-05 9:25 [RFC v9 PATCH 00/21] memory-hotplug: hot-remove physical memory wency
2012-09-05 9:25 ` [RFC v9 PATCH 01/21] memory-hotplug: rename remove_memory() to offline_memory()/offline_pages() wency
2012-09-28 2:22 ` Ni zhan Chen
2012-09-28 3:50 ` Yasuaki Ishimatsu
2012-09-28 22:15 ` KOSAKI Motohiro
2012-10-02 1:18 ` Yasuaki Ishimatsu
2012-10-02 17:29 ` KOSAKI Motohiro
2012-09-05 9:25 ` [RFC v9 PATCH 02/21] memory-hotplug: implement offline_memory() wency
2012-09-05 9:25 ` [RFC v9 PATCH 03/21] memory-hotplug: store the node id in acpi_memory_device wency
2012-09-28 3:21 ` Ni zhan Chen
2012-10-01 7:38 ` Yasuaki Ishimatsu
2012-09-05 9:25 ` [RFC v9 PATCH 04/21] memory-hotplug: offline and remove memory when removing the memory device wency
2012-09-28 4:48 ` Ni zhan Chen
2012-09-05 9:25 ` [RFC v9 PATCH 05/21] memory-hotplug: check whether memory is present or not wency
2012-09-11 2:15 ` Wen Congyang
2012-09-11 2:24 ` Yasuaki Ishimatsu
2012-09-11 2:46 ` Wen Congyang
2012-09-28 3:37 ` Ni zhan Chen
2012-09-05 9:25 ` [RFC v9 PATCH 06/21] memory-hotplug: export the function acpi_bus_remove() wency
2012-10-02 0:34 ` Ni zhan Chen
2012-10-02 17:28 ` KOSAKI Motohiro
2012-09-05 9:25 ` [RFC v9 PATCH 07/21] memory-hotplug: call acpi_bus_remove() to remove memory device wency
2012-09-05 9:25 ` [RFC v9 PATCH 08/21] memory-hotplug: remove /sys/firmware/memmap/X sysfs wency
2012-09-05 9:25 ` [RFC v9 PATCH 09/21] memory-hotplug: does not release memory region in PAGES_PER_SECTION chunks wency
2012-09-05 9:25 ` [RFC v9 PATCH 10/21] memory-hotplug: add memory_block_release wency
2012-09-05 9:25 ` [RFC v9 PATCH 11/21] memory-hotplug: remove_memory calls __remove_pages wency
2012-09-05 9:25 ` [RFC v9 PATCH 12/21] memory-hotplug: introduce new function arch_remove_memory() wency
2012-09-05 9:25 ` [RFC v9 PATCH 13/21] memory-hotplug: check page type in get_page_bootmem wency
2012-09-29 2:15 ` Ni zhan Chen
2012-10-01 3:03 ` Yasuaki Ishimatsu
2012-10-02 12:24 ` Ni zhan Chen
2012-09-05 9:25 ` [RFC v9 PATCH 14/21] memory-hotplug: move register_page_bootmem_info_node and put_page_bootmem for sparse-vmemmap wency
2012-09-05 9:25 ` [RFC v9 PATCH 15/21] memory-hotplug: implement register_page_bootmem_info_section of sparse-vmemmap wency
2012-09-05 9:25 ` [RFC v9 PATCH 16/21] memory-hotplug: free memmap " wency
2012-10-02 4:21 ` Ni zhan Chen
2012-10-04 6:26 ` Yasuaki Ishimatsu
2012-10-06 14:18 ` Ni zhan Chen
2012-09-05 9:25 ` [RFC v9 PATCH 17/21] memory_hotplug: clear zone when the memory is removed wency
2012-09-05 9:25 ` [RFC v9 PATCH 18/21] memory-hotplug: add node_device_release wency
2012-09-05 9:25 ` [RFC v9 PATCH 19/21] memory-hotplug: remove sysfs file of node wency
2012-09-05 9:25 ` [RFC v9 PATCH 20/21] memory-hotplug: clear hwpoisoned flag when onlining pages wency
2012-09-06 7:27 ` andywu106建国
2012-09-06 8:41 ` Wen Congyang
2012-09-05 9:25 ` [RFC v9 PATCH 21/21] memory-hotplug: auto offline page_cgroup when onlining memory block failed wency
2012-09-26 16:46 ` [RFC v9 PATCH 00/21] memory-hotplug: hot-remove physical memory Vasilis Liaskovitis
2012-09-27 0:59 ` Wen Congyang
2012-09-27 6:37 ` Wen Congyang
2012-09-27 10:35 ` Vasilis Liaskovitis
2012-09-28 1:41 ` Wen Congyang [this message]
2012-10-09 6:16 ` Wen Congyang
2012-10-09 8:11 ` Wen Congyang
2012-09-26 16:58 ` Vasilis Liaskovitis
2012-09-27 1:03 ` Wen Congyang
2012-09-27 8:53 ` Wen Congyang
2012-09-27 10:06 ` Wen Congyang
2012-09-27 11:02 ` Vasilis Liaskovitis
2012-09-29 3:45 ` Ni zhan Chen
2012-09-29 8:19 ` Ni zhan Chen
2012-10-01 4:44 ` Yasuaki Ishimatsu
2012-10-01 23:45 ` Ni zhan Chen
2012-10-02 0:02 ` Yasuaki Ishimatsu
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