From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:46480) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z5zbt-0007Ru-Sw for qemu-devel@nongnu.org; Fri, 19 Jun 2015 12:57:46 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Z5zbs-0005Za-Pa for qemu-devel@nongnu.org; Fri, 19 Jun 2015 12:57:45 -0400 Received: from mail-lb0-x229.google.com ([2a00:1450:4010:c04::229]:36663) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z5zbs-0005ZP-7I for qemu-devel@nongnu.org; Fri, 19 Jun 2015 12:57:44 -0400 Received: by lbbqq2 with SMTP id qq2so75715991lbb.3 for ; Fri, 19 Jun 2015 09:57:43 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: References: <20150617165226.166e7750@nial.brq.redhat.com> From: Andrey Korolyov Date: Fri, 19 Jun 2015 19:57:22 +0300 Message-ID: Content-Type: multipart/mixed; boundary=089e01227ec09714420518e1d256 Subject: Re: [Qemu-devel] Runtime-modified DIMMs and live migration issue List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Igor Mammedov Cc: "qemu-devel@nongnu.org" , ehabkost@redhat.com --089e01227ec09714420518e1d256 Content-Type: text/plain; charset=UTF-8 > I don`t think that it could be ACPI-related in any way, instead, it > looks like race in vhost or simular mm-touching mechanism. The > repeated hits you mentioned should be fixed as well indeed, but they > can be barely the reason for this problem. Please find a trace from a single dimm plugging in attached. The configuration is -m 512 + three 512-Mb dimms on start, then a 512-Mb dimm is plugged in, the NUMA topology is created with a single node0. --089e01227ec09714420518e1d256 Content-Type: text/plain; charset=US-ASCII; name="acpi-hp.txt" Content-Disposition: attachment; filename="acpi-hp.txt" Content-Transfer-Encoding: base64 X-Attachment-Id: f_ib3uxfum2 WyAgIDk0Ljc1MTY0Nl0gCioqKiogQ29udGV4dCBTd2l0Y2ggZnJvbSBUSUQgNDI5NDk2NzI5NSB0 byBUSUQgNDk2ODM2Njg4ICoqKioKClsgICA5NC43NTUxODBdICAgICB1dGlscy0wMjkxIGV2YWx1 YXRlX2ludGVnZXIgICAgICA6IFJldHVybiB2YWx1ZSBbMTVdClsgICA5NC43NTcxNDZdICAgICAg IGJ1cy0wMTMwIGJ1c19nZXRfc3RhdHVzICAgICAgICA6IERldmljZSBbTVAwMF0gc3RhdHVzIFsw MDAwMDAwZl0KWyAgIDk0Ljc2MDc1NV0gYWNwaSBQTlAwQzgwOjAwOiBBbHJlYWR5IGVudW1lcmF0 ZWQKWyAgIDk0Ljc2MjQ3OF0gICAgIHV0aWxzLTAyOTEgZXZhbHVhdGVfaW50ZWdlciAgICAgIDog UmV0dXJuIHZhbHVlIFsxNV0KWyAgIDk0Ljc2NzkyNF0gICAgICAgYnVzLTAxMzAgYnVzX2dldF9z dGF0dXMgICAgICAgIDogRGV2aWNlIFtNUDAxXSBzdGF0dXMgWzAwMDAwMDBmXQpbICAgOTQuNzcw MjMyXSBhY3BpIFBOUDBDODA6MDE6IEFscmVhZHkgZW51bWVyYXRlZApbICAgOTQuNzcxNzY2XSAg ICAgdXRpbHMtMDI5MSBldmFsdWF0ZV9pbnRlZ2VyICAgICAgOiBSZXR1cm4gdmFsdWUgWzE1XQpb ICAgOTQuNzczODY3XSAgICAgICBidXMtMDEzMCBidXNfZ2V0X3N0YXR1cyAgICAgICAgOiBEZXZp Y2UgW01QMDJdIHN0YXR1cyBbMDAwMDAwMGZdClsgICA5NC43NzYxNDldIGFjcGkgUE5QMEM4MDow MjogQWxyZWFkeSBlbnVtZXJhdGVkClsgICA5NC43Nzc2NzhdICAgICB1dGlscy0wMjkxIGV2YWx1 YXRlX2ludGVnZXIgICAgICA6IFJldHVybiB2YWx1ZSBbMTVdClsgICA5NC43Nzk2NjldICAgICAg IGJ1cy0wMTMwIGJ1c19nZXRfc3RhdHVzICAgICAgICA6IERldmljZSBbTVAwM10gc3RhdHVzIFsw MDAwMDAwZl0KWyAgIDk0Ljc4MjY4Nl0gICAgICBzY2FuLTExNDQgZ2V0X2RldmljZV9kYXRhICAg ICAgIDogTm8gY29udGV4dCBmb3Igb2JqZWN0IFtmZmZmODgwMDFkODNmZTUwXQpbICAgOTQuNzg1 OTA4XSAgICAgIHNjYW4tMTE0NCBnZXRfZGV2aWNlX2RhdGEgICAgICAgOiBObyBjb250ZXh0IGZv ciBvYmplY3QgW2ZmZmY4ODAwMWQ4M2ZlMjhdClsgICA5NC43ODkxOTRdICAgICAgc2Nhbi0xMTQ0 IGdldF9kZXZpY2VfZGF0YSAgICAgICA6IE5vIGNvbnRleHQgZm9yIG9iamVjdCBbZmZmZjg4MDAx ZDgzZmUwMF0KWyAgIDk0Ljc5MjQzMV0gICAgICBzY2FuLTExNDQgZ2V0X2RldmljZV9kYXRhICAg ICAgIDogTm8gY29udGV4dCBmb3Igb2JqZWN0IFtmZmZmODgwMDFkODNmZGQ4XQpbICAgOTQuNzk1 NjA1XSAgICAgIHNjYW4tMTE0NCBnZXRfZGV2aWNlX2RhdGEgICAgICAgOiBObyBjb250ZXh0IGZv ciBvYmplY3QgW2ZmZmY4ODAwMWQ4M2ZkYjBdClsgICA5NC43OTg5NTZdICAgICAgc2Nhbi0xMTQ0 IGdldF9kZXZpY2VfZGF0YSAgICAgICA6IE5vIGNvbnRleHQgZm9yIG9iamVjdCBbZmZmZjg4MDAx ZDgzZmQ4OF0KWyAgIDk0LjgwMjMzN10gICAgIHV0aWxzLTAyOTEgZXZhbHVhdGVfaW50ZWdlciAg ICAgIDogUmV0dXJuIHZhbHVlIFsxNV0KWyAgIDk0LjgwNDk2MV0gICAgICAgYnVzLTAxMzAgYnVz X2dldF9zdGF0dXMgICAgICAgIDogRGV2aWNlIFtNUDAzXSBzdGF0dXMgWzAwMDAwMDBmXQpbICAg OTQuODA3OTUzXSBkZXZpY2VfcG0tMDEyOCBkZXZpY2VfZ2V0X3Bvd2VyICAgICAgOiBEZXZpY2Ug W01QMDNdIHBvd2VyIHN0YXRlIGlzIEQwClsgICA5NC44MTEzMThdICAgICB1dGlscy0wMjkxIGV2 YWx1YXRlX2ludGVnZXIgICAgICA6IFJldHVybiB2YWx1ZSBbMTVdClsgICA5NC44MTQwNTZdICAg ICB1dGlscy0wMjkxIGV2YWx1YXRlX2ludGVnZXIgICAgICA6IFJldHVybiB2YWx1ZSBbMF0KWyAg IDk0LjgxNjYyOV0gaW5pdF9tZW1vcnlfbWFwcGluZzogW21lbSAweDE2MDAwMDAwMC0weDE3ZmZm ZmZmZl0KWyAgIDk0LjgxODcxNF0gIFttZW0gMHgxNjAwMDAwMDAtMHgxN2ZmZmZmZmZdIHBhZ2Ug Mk0KWyAgIDk0LjgxOTUzOV0gIFtmZmZmZWEwMDA0YzAwMDAwLWZmZmZlYTAwMDRkZmZmZmZdIFBN RCAtPiBbZmZmZjg4MDAxYjgwMDAwMC1mZmZmODgwMDFiOWZmZmZmXSBvbiBub2RlIDAKWyAgIDk0 LjgyMzQwNl0gIFtmZmZmZWEwMDA0ZTAwMDAwLWZmZmZlYTAwMDRmZmZmZmZdIFBNRCAtPiBbZmZm Zjg4MDAxYWEwMDAwMC1mZmZmODgwMDFhYmZmZmZmXSBvbiBub2RlIDAKWyAgIDk0LjgyNzA2Ml0g IFtmZmZmZWEwMDA1MDAwMDAwLWZmZmZlYTAwMDUxZmZmZmZdIFBNRCAtPiBbZmZmZjg4MDAwMDQw MDAwMC1mZmZmODgwMDAwNWZmZmZmXSBvbiBub2RlIDAK --089e01227ec09714420518e1d256--