Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.89) (envelope-from ) id 1f8k19-0000dX-Ar for pgsql-hackers@arkaria.postgresql.org; Wed, 18 Apr 2018 10:08:47 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.89) (envelope-from ) id 1f8k18-00072D-7p for pgsql-hackers@arkaria.postgresql.org; Wed, 18 Apr 2018 10:08:46 +0000 Received: from makus.postgresql.org ([2001:4800:1501:1::229]) by malur.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.89) (envelope-from ) id 1f8cVK-0001yw-Ms for pgsql-hackers@lists.postgresql.org; Wed, 18 Apr 2018 02:07:26 +0000 Received: from smtp-fw-2101.amazon.com ([72.21.196.25]) by makus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.89) (envelope-from ) id 1f8cVF-0002q6-Cn for pgsql-hackers@postgresql.org; Wed, 18 Apr 2018 02:07:24 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1524017241; x=1555553241; h=from:to:subject:date:message-id:content-id: content-transfer-encoding:mime-version; bh=pVr/i/N1JxL+uJQTjNglHdiLn+tyAMXmO+JOnAsndeQ=; b=QdCuw8/8wdYlv+H62CAWHxPwXf/OGtrrBl8S3ETPaji6qepNGfCho6Bj 05dmtWZlXXM2BLJ/mTNsw7mATmqbS7Q4MYZK9u23eCGcRBKWNDBLH8ix6 GtTwStmeq4DoNfUWIihIfDpPRI6Tvqtkua7Vk3qoxLJoCGI7OirPKhpGm 4=; X-IronPort-AV: E=Sophos;i="5.48,464,1517875200"; d="scan'208";a="675219777" Received: from iad6-co-svc-p1-lb1-vlan2.amazon.com (HELO email-inbound-relay-2a-6e2fc477.us-west-2.amazon.com) ([10.124.125.2]) by smtp-border-fw-out-2101.iad2.amazon.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 18 Apr 2018 02:07:19 +0000 Received: from EX13MTAUWC001.ant.amazon.com (pdx1-ws-svc-p6-lb9-vlan3.pdx.amazon.com [10.236.137.198]) by email-inbound-relay-2a-6e2fc477.us-west-2.amazon.com (8.14.7/8.14.7) with ESMTP id w3I27Ipi073001 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=FAIL) for ; Wed, 18 Apr 2018 02:07:18 GMT Received: from EX13D11UWC004.ant.amazon.com (10.43.162.101) by EX13MTAUWC001.ant.amazon.com (10.43.162.135) with Microsoft SMTP Server (TLS) id 15.0.1236.3; Wed, 18 Apr 2018 02:07:17 +0000 Received: from EX13D11UWC002.ant.amazon.com (10.43.162.174) by EX13D11UWC004.ant.amazon.com (10.43.162.101) with Microsoft SMTP Server (TLS) id 15.0.1236.3; Wed, 18 Apr 2018 02:07:17 +0000 Received: from EX13D11UWC002.ant.amazon.com ([10.43.162.174]) by EX13D11UWC002.ant.amazon.com ([10.43.162.174]) with mapi id 15.00.1236.000; Wed, 18 Apr 2018 02:07:17 +0000 From: "Wood, Dan" To: "pgsql-hackers@postgresql.org" Subject: VM map freeze corruption Thread-Topic: VM map freeze corruption Thread-Index: AQHT1rn5eFCYMB4JtkWYuFEUTIddVA== Date: Wed, 18 Apr 2018 02:07:17 +0000 Message-ID: <84EBAC55-F06D-4FBE-A3F3-8BDA093CE3E3@amazon.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.43.162.220] Content-Type: text/plain; charset="utf-8" Content-ID: <6A029BDB20931243A701F3D674349E1E@amazon.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk cGdfY2hlY2tfZnJvemVuKCkgcmVwb3J0cyBjb3JydXB0ZWQgVk0gZnJlZXplIHN0YXRlLg0KDQpG b3VuZCB3aXRoIG9uZSBvZiBteSBzdHJlc3MgdGVzdHMuICBTaW1wbGlmaWVkIHRvIHRoZSByZXBy byBiZWxvdy4NCg0KVGhlIHJlYXNvbiBmb3IgdGhlIDMzIHJvd3MvcGFnZXMgaXMgdGhhdCBJIHdh bnRlZCB0byB0ZXN0IGlmIGEgMm5kIHZhY3V1bSBmcmVlemUgcmVwYWlyZWQgdGhlIHNpdHVhdGlv bi4gIEkgd2FzIGNvbmZvdW5kZWQgdGlsbCBJIGRpc2NvdmVyZWQgU0tJUF9QQUdFU19USFJFU0hP TEQgd2FzIDMyLiANCg0KTXkgYW5hbHlzaXMgaXMgdGhhdCBoZWFwX3ByZXBhcmVfZnJlZXplX3R1 cGxlLT5GcmVlemVNdWx0aVhhY3RJZCgpIHJldHVybnMgRlJNX05PT1AgaWYgdGhlIE11bHRpWEFD VCBsb2NrZWQgcm93cyBoYXZlbid0IGNvbW1pdHRlZC4gIFRoaXMgcmVzdWx0cyBpbiBjaGFuZ2Vk PWZhbHNlIGFuZCB0b3RhbGx5X2Zyb3plbj10cnVlKGFzIGluaXRpYWxpemVkKS4gIFdoZW4gdGhp cyByZXR1cm5zIHRvIGxhenlfc2Nhbl9oZWFwKCksIG5vIHJvd3MgYXJlIGFkZGVkIHRvIHRoZSBm cm96ZW5bXSBhcnJheS4gIFlldCwgdHVwbGVfdG90YWxseV9mcm96ZW4gaXMgdHJ1ZS4gIFRoaXMg bWVhbnMgdGhlIHBhZ2UgaXMgbWFya2VkIGZyb3plbiBpbiB0aGUgVk0sIGV2ZW4gdGhvdWdoIHRo ZSBNdWx0aVhBQ1Qgcm93IHdhc24ndCBsZWZ0IHVudG91Y2guDQoNCkEgZml4IHRvIGhlYXBfcHJl cGFyZV9mcmVlemVfdHVwbGUoKSB0aGF0IHNlZW1zIHRvIGRvIHRoZSB0cmljayBpczoNCiAgICAg ICAgZWxzZQ0KICAgICAgICB7DQogICAgICAgICAgICBBc3NlcnQoZmxhZ3MgJiBGUk1fTk9PUCk7 DQorICAgICAgICAgIHRvdGFsbHlfZnJvemVuID0gZmFsc2U7DQogICAgICAgIH0NCg0KQkFTSCBz Y3JpcHQgcmVwcm8gYmVsb3c6DQoNCiMhL2Jpbi9iYXNoDQoNCnA9InBzcWwgLWggMTI3LjAuMC4x IC1wIDU0MzIgcG9zdGdyZXMiDQoNCmVjaG8gImNyZWF0ZSBleHRlbnNpb24gcGdfdmlzaWJpbGl0 eTsiIHwgJHANCg0KJHAgPDxYWFgNCmRyb3AgdGFibGUgdDsNCmNyZWF0ZSB0YWJsZSB0IChpIGlu dCBwcmltYXJ5IGtleSwgYyBjaGFyKDc3NzcpKTsNCmFsdGVyIHRhYmxlIHQgYWx0ZXIgY29sdW1u IGMgc2V0IHN0b3JhZ2UgcGxhaW47DQppbnNlcnQgaW50byB0IHNlbGVjdCBnZW5lcmF0ZV9zZXJp ZXMoMCwgMzIsIDEpLCAnWFhYJzsNClhYWA0KDQojIFN0YXJ0IHR3byBzaGFyZSBsb2NrZXJzIGlu IHRoZSBiYWNrZ3JvdW5kDQokcCA8PFhYWCA+L2Rldi9udWxsICYNCmJlZ2luOw0Kc2VsZWN0IGks IGxlbmd0aChjKSBmcm9tIHQgZm9yIHNoYXJlOw0Kc2VsZWN0IHBnX3NsZWVwKDIpOw0KY29tbWl0 Ow0KWFhYDQoNCiRwIDw8WFhYID4vZGV2L251bGwgJg0KYmVnaW47DQpzZWxlY3QgaSwgbGVuZ3Ro KGMpIGZyb20gdCBmb3Igc2hhcmU7DQpzZWxlY3QgcGdfc2xlZXAoMik7DQpjb21taXQ7DQpYWFgN Cg0KIyBGcmVlemUgd2hpbGUgbXVsdGl4YWN0IGxvY2tzIGFyZSBoZWxkDQplY2hvICJ2YWN1dW0g ZnJlZXplIHQ7IiB8ICRwDQplY2hvICJzZWxlY3QgcGdfY2hlY2tfZnJvemVuKCd0Jyk7IiB8ICRw DQoNCnNsZWVwIDQ7ICAjIFdhaXQgZm9yIHNoYXJlIGxvY2tzIHRvIGJlIHJlbGVhc2VkDQoNCiMg U2VlIGlmIGFub3RoZXIgZnJlZXplIGNvcnJlY3RzIHRoZSBwcm9ibGVtDQplY2hvICJ2YWN1dW0g ZnJlZXplIHQ7IiB8ICRwDQplY2hvICJzZWxlY3QgcGdfY2hlY2tfZnJvemVuKCd0Jyk7IiB8ICRw DQoNCg==