:"","interrupted":false,"isImage":false},"sourceToolAssistantUUID":"2c6f6fb7-f141-4ea3-aa93-3b4c0a52bec1"} {"parentUuid":"cd5bb036-6afb-4e04-a199-fab0d683dee3","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/health/josie-health-lut","sessionId":"0d21e534-e444-4a60-a4f3-168218592b66","version":"2.1.37","gitBranch":"HEAD","slug":"wiggly-watching-wreath","message":{"model":"claude-opus-4-6","id":"msg_01CxgqRAVvQh59BhSnjJtNBB","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01YRXea7BJL1rzkLA8V995vQ","name":"Bash","input":{"command":"crystal eval '\nrequire \"json\"\ndata = JSON.parse(File.read(\"data/drugs.json\")).as_h\n\nnew_entries = {\n \"vitamin-d3\" => {\n \"aliases\" => [\"d3\", \"cholecalciferol\", \"vitamin d3\"],\n \"categories\" => [\"supplement\"],\n \"name\" => \"vitamin-d3\",\n \"pretty_name\" => \"Vitamin D3\",\n \"properties\" => {\n \"categories\" => [\"supplement\"],\n \"summary\" => \"Vitamin D3 (cholecalciferol) is a fat-soluble vitamin essential for calcium absorption, bone health, and immune function.\"\n }\n },\n \"acetyl-l-carnitine\" => {\n \"aliases\" => [\"alcar\", \"acetyl l-carnitine\", \"acetylcarnitine\"],\n \"categories\" => [\"supplement\"],\n \"name\" => \"acetyl-l-carnitine\",\n \"pretty_name\" => \"Acetyl-L-Carnitine\",\n \"properties\" => {\n \"categories\" => [\"supplement\"],\n \"summary\" => \"Acetyl-L-carnitine (ALCAR) is an amino acid derivative involved in energy metabolism and mitochondrial function.\"\n }\n },\n \"pygeum\" => {\n \"aliases\" => [\"pygeum africanum\"],\n \"categories\" => [\"supplement\"],\n \"name\" => \"pygeum\",\n \"pretty_name\" => \"Pygeum\",\n \"properties\" => {\n \"categories\" => [\"supplement\"],\n \"summary\" => \"Pygeum is an herbal extract from the African cherry tree bark, used as a supplement for prostate health.\"\n }\n },\n \"acetylhexapeptide-38\" => {\n \"aliases\" => [\"acetylhexapeptide38\", \"2%acetylhexapeptide38\"],\n \"categories\" => [\"supplement\"],\n \"name\" => \"acetylhexapeptide-38\",\n \"pretty_name\" => \"Acetylhexapeptide-38\",\n \"properties\" => {\n \"categories\" => [\"supplement\"],\n \"summary\" => \"Acetylhexapeptide-38 is a cosmetic peptide used topically for its effects on skin and hair growth.\"\n }\n },\n \"maca\" => {\n \"aliases\" => [\"maca extract\", \"maca root\"],\n \"categories\" => [\"supplement\"],\n \"name\" => \"maca\",\n \"pretty_name\" => \"Maca\",\n \"properties\" => {\n \"categories\" => [\"supplement\"],\n \"summary\" => \"Maca is a Peruvian root vegetable used as a supplement for energy, libido, and hormonal balance.\"\n }\n },\n \"b12\" => {\n \"aliases\" => [\"vitamin b12\", \"vitaminb12\", \"cobalamin\", \"methylcobalamin\"],\n \"categories\" => [\"supplement\"],\n \"name\" => \"b12\",\n \"pretty_name\" => \"Vitamin B12\",\n \"properties\" => {\n \"categories\" => [\"supplement\"],\n \"summary\" => \"Vitamin B12 (cobalamin) is essential for nerve function, red blood cell formation, and DNA synthesis.\"\n }\n },\n \"alpha-lipoic-acid\" => {\n \"aliases\" => [\"alpha lipoic acid\", \"ala\", \"r-ala\", \"r-lipoic acid\"],\n \"categories\" => [\"supplement\"],\n \"name\" => \"alpha-lipoic-acid\",\n \"pretty_name\" => \"Alpha-Lipoic Acid\",\n \"properties\" => {\n \"categories\" => [\"supplement\"],\n \"summary\" => \"Alpha-lipoic acid is an antioxidant that plays a role in energy metabolism and blood sugar regulation.\"\n }\n },\n \"magnesium-l-threonate\" => {\n \"aliases\" => [\"magnesium l-threonate\", \"magtein\"],\n \"categories\" => [\"supplement\"],\n \"name\" => \"magnesium-l-threonate\",\n \"pretty_name\" => \"Magnesium L-Threonate\",\n \"properties\" => {\n \"categories\" => [\"supplement\"],\n \"summary\" => \"Magnesium L-threonate is a form of magnesium that crosses the blood-brain barrier, used for cognitive function.\"\n }\n }\n}\n\nnew_entries.each { |k, v| data[JSON::Any.new(k)] = JSON::Any.new(JSON.parse(v.to_json).raw) }\n\nFile.write(\"data/drugs.json\", data.to_pretty_json)\nputs \"Added #{new_entries.size} entries. Total: #{data.size}\"\n' 2>&1","description":"Add new supplement entries to drugs.json","timeout":60000}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":338,"cache_read_input_tokens":133417,"output_tokens":1249,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":338,"ephemeral_5m_input_tokens":0}}},"requestId":"req_011CXxgHcN47aR8LeQ7ZXhBx","type":"assistant","uuid":"5a2959b7-97b7-46d3-abe8-9edd05b54607","timestamp":"2026-02-09T14:47:51.327Z"} {"parentUuid":"5a2959b7-97b7-46d3-abe8-9edd05b54607","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/health/josie-health-lut","sessionId":"0d21e534-e444-4a60-a4f3-168218592b66","version":"2.1.37","gitBranch":"HEAD","slug":"wiggly-watching-wreath","type":"progress","data":{"type":"hook_progress","hookEvent":"PreToolUse","hookName":"PreToolUse:Bash","command":"python3 ${CLAUDE_PLUGIN_ROOT}/hooks/pretooluse.py"},"toolUseID":"toolu_01YRXea7BJL1rzkLA8V995vQ","parentToolUseID":"toolu_01YRXea7BJL1rzkLA8V995vQ","uuid":"334e1962-4327-407b-bd35-256a74061690","timestamp":"2026-02-09T14:47:51.333Z"} {"parentUuid":"5a2959b7-97b7-46d3-abe8-9edd05b54607","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/health/josie-health-lut","sessionId":"0d21e534-e444-4a60-a4f3-168218592b66","version":"2.1.37","gitBranch":"HEAD","slug":"wiggly-watching-wreath","type":"user","message":{"role":"user","content":[{"type":"tool_result","content":"Exit code 1\nShowing last frame. Use --error-trace for full trace.\n\nerror in line 88\nError: expected argument #1 to 'Hash(String, JSON::Any)#[]=' to be String, not JSON::Any\n\nOverloads are:\n - Hash(K, V)#[]=(key : K, value : V)","is_error":true,"tool_use_id":"toolu_01YRXea7BJL1rzkLA8V995vQ"}]},"uuid":"19d75337-7617-4326-8b5f-cd5121c7cea1","timestamp":"2026-02-09T14:47:58.411Z","toolUseResult":"Error: Exit code 1\nShowing last frame. Use --error-trace for full trace.\n\nerror in line 88\nError: expected argument #1 to 'Hash(String, JSON::Any)#[]=' to be String, not JSON::Any\n\nOverloads are:\n - Hash(K, V)#[]=(key : K, value : V)","sourceToolAssistantUUID":"5a2959b7-97b7-46d3-abe8-9edd05b54607"} {"parentUuid":"19d75337-7617-4326-8b5f-cd5121c7cea1","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/health/josie-health-lut","sessionId":"0d21e534-e444-4a60-a4f3-168218592b66","version":"2.1.37","gitBranch":"HEAD","slug":"wiggly-watching-wreath","message":{"model":"claude-opus-4-6","id":"msg_01BebtZixxJT5PNpvJB6PPaA","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01X6kFWLZ83mSp8WPiwqvK4i","name":"Bash","input":{"command":"crystal eval '\nrequire \"json\"\ndata = JSON.parse(File.read(\"data/drugs.json\")).as_h\n\nnew_entries = {\n \"vitamin-d3\" => JSON.parse(%|{\"aliases\":[\"d3\",\"cholecalciferol\",\"vitamin d3\"],\"categories\":[\"supplement\"],\"name\":\"vitamin-d3\",\"pretty_name\":\"Vitamin D3\",\"properties\":{\"categories\":[\"supplement\"],\"summary\":\"Vitamin D3 (cholecalciferol) is a fat-soluble vitamin essential for calcium absorption, bone health, and immune function.\"}}|),\n \"acetyl-l-carnitine\" => JSON.parse(%|{\"aliases\":[\"alcar\",\"acetyl l-carnitine\",\"acetylcarnitine\"],\"categories\":[\"supplement\"],\"name\":\"acetyl-l-carnitine\",\"pretty_name\":\"Acetyl-L-Carnitine\",\"properties\":{\"categories\":[\"supplement\"],\"summary\":\"Acetyl-L-carnitine (ALCAR) is an amino acid derivative involved in energy metabolism and mitochondrial function.\"}}|),\n \"pygeum\" => JSON.parse(%|{\"aliases\":[\"pygeum africanum\"],\"categories\":[\"supplement\"],\"name\":\"pygeum\",\"pretty_name\":\"Pygeum\",\"properties\":{\"categories\":[\"supplement\"],\"summary\":\"Pygeum is an herbal extract from the African cherry tree bark, used as a supplement for prostate health.\"}}|),\n \"acetylhexapeptide-38\" => JSON.parse(%|{\"aliases\":[\"acetylhexapeptide38\",\"2%acetylhexapeptide38\"],\"categories\":[\"supplement\"],\"name\":\"acetylhexapeptide-38\",\"pretty_name\":\"Acetylhexapeptide-38\",\"properties\":{\"categories\":[\"supplement\"],\"summary\":\"Acetylhexapeptide-38 is a cosmetic peptide used topically for its effects on skin and hair growth.\"}}|),\n \"maca\" => JSON.parse(%|{\"aliases\":[\"maca extract\",\"maca root\"],\"categories\":[\"supplement\"],\"name\":\"maca\",\"pretty_name\":\"Maca\",\"properties\":{\"categories\":[\"supplement\"],\"summary\":\"Maca is a Peruvian root vegetable used as a supplement for energy, libido, and hormonal balance.\"}}|),\n \"b12\" => JSON.parse(%|{\"aliases\":[\"vitamin b12\",\"vitaminb12\",\"cobalamin\",\"methylcobalamin\"],\"categories\":[\"supplement\"],\"name\":\"b12\",\"pretty_name\":\"Vitamin B12\",\"properties\":{\"categories\":[\"supplement\"],\"summary\":\"Vitamin B12 (cobalamin) is essential for nerve function, red blood cell formation, and DNA synthesis.\"}}|),\n \"alpha-lipoic-acid\" => JSON.parse(%|{\"aliases\":[\"alpha lipoic acid\",\"r-ala\",\"r-lipoic acid\"],\"categories\":[\"supplement\"],\"name\":\"alpha-lipoic-acid\",\"pretty_name\":\"Alpha-Lipoic Acid\",\"properties\":{\"categories\":[\"supplement\"],\"summary\":\"Alpha-lipoic acid is an antioxidant that plays a role in energy metabolism and blood sugar regulation.\"}}|),\n}\n\nnew_entries.each { |k, v| data[k] = v }\n\nFile.write(\"data/drugs.json\", data.to_pretty_json)\nputs \"Added #{new_entries.size} entries. Total: #{data.size}\"\n' 2>&1","description":"Add new supplement entries to drugs.json","timeout":60000}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":1350,"cache_read_input_tokens":133755,"output_tokens":894,"server_tool_use":{"web_search_requests":0,"web_fetch_requests":0},"service_tier":"standard","cache_creation":{"ephemeral_1h_input_tokens":1350,"ephemeral_5m_input_tokens":0}}},"requestId":"req_011CXxgKHSKzWarb4icLpu8G","type":"assistant","uuid":"2dd5c2f3-93a0-406f-b93b-a9170ee329d7","timestamp":"2026-02-09T14:48:08.534Z"} {"parentUuid":"2dd5c2f3-93a0-406f-b93b-a9170ee329d7","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/health/josie-health-lut","sessionId":"0d21e534-e444-4a60-a4f3-168218592b66","version":"2.1.37","gitBranch":"HEAD","slug":"wiggly-watching-wreath","type":"progress","data":{"type":"hook_progress","hookEvent":"PreToolUse","hookName":"PreToolUse:Bash","command":"python3 ${CLAUDE_PLUGIN_ROOT}/hooks/pretooluse.py"},"toolUseID":"toolu_01X6kFWLZ83mSp8WPiwqvK4i","parentToolUseID":"toolu_01X6kFWLZ83mSp8WPiwqvK4i","uuid":"ef239dd1-3284-4fc6-95b5-fb19d5d1b27e","timestamp":"2026-02-09T14:48:08.536Z"} {"parentUuid":"ef239dd1-3284-4fc6-95b5-fb19d5d1b27e","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/health/josie-health-lut","sessionId":"0d21e534-e444-4a60-a4f3-168218592b66","version":"2.1.37","gitBranch":"HEAD","slug":"wiggly-watching-wreath","type":"progress","data":{"type":"hook_progress","hookEvent":"PostToolUse","hookName":"PostToolUse:Bash","command":"python3 ${CLAUDE_PLUGIN_ROOT}/hooks/posttooluse.py"},"parentToolUseID":"toolu_01X6kFWLZ83mSp8WPiwqvK4i","toolUseID":"toolu_01X6kFWLZ83mSp8WPiwqvK4i","timestamp":"2026-02-09T14:48:14.122Z","uuid":"77969c25-dfb9-44f2-8ddb-bc948bb6f1d4"} {"parentUuid":"2dd5c2f3-93a0-406f-b93b-a9170ee329d7","isSidechain":false,"userType":"external","cwd":"/home/josie/development/personal/josiedot/health/josie-health-lut","sessionId":"0d21e534-e444-4a60-a4f3-168218592b66","version":"2.1.37","gitBranch":"HEAD","slug":"wiggly-watching-wreath","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01X6kFWLZ83mSp8WPiwqvK4i","type":"tool_result","content":"Added 7 entries. 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Sun, 30 Nov 2025 15:11:12 +0000 From: Koichiro Den To: ntb@lists.linux.dev, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Frank.Li@nxp.com Cc: jdmason@kudzu.us, dave.jiang@intel.com, allenbh@gmail.com, mani@kernel.org, kwilczynski@kernel.org, kishon@kernel.org, bhelgaas@google.com, jbrunet@baylibre.com, lpieralisi@kernel.org, yebin10@huawei.com, geert+renesas@glider.be, arnd@arndb.de, stable@vger.kernel.org Subject: [PATCH v3 7/7] PCI: endpoint: pci-epf-vntb: Manage ntb_dev lifetime and fix vpci bus teardown Date: Mon, 1 Dec 2025 00:11:00 +0900 Message-ID: <20251130151100.2591822-8-den@valinux.co.jp> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20251130151100.2591822-1-den@valinux.co.jp> References: <20251130151100.2591822-1-den@valinux.co.jp> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: TY4P301CA0054.JPNP301.PROD.OUTLOOK.COM (2603:1096:405:36b::14) To TYWP286MB2697.JPNP286.PROD.OUTLOOK.COM (2603:1096:400:24c::11) Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: TYWP286MB2697:EE_|OS9P286MB3865:EE_ X-MS-Office365-Filtering-Correlation-Id: c310ed52-bbe0-4679-7e79-08de3022b2fa X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|7416014|376014|1800799024|10070799003; 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[142.0.200.124 listed in list.dnswl.org] 1.5 HEADER_FROM_DIFFERENT_DOMAINS From and EnvelopeFrom 2nd level mail domains are different 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -1.0 MAILING_LIST_MULTI Multiple indicators imply a widely-seen list manager SpamTally: Final spam score: 4 Currently ntb_dev is embedded in epf_ntb, while configfs allows starting or stopping controller and linking or unlinking functions as you want. In fact, re-linking and re-starting is not possible with the embedded design and leads to oopses. Allocate ntb_dev with devm and add a .remove callback to the pci driver that calls ntb_unregister_device(). This allows a fresh device to be created on the next .bind call. With these changes, the controller can now be stopped, a function unlinked, configfs settings updated, and the controller re-linked and restarted without rebooting the endpoint, as long as the underlying pci_epc_ops .stop() operation is non-destructive, and .start() can restore normal operations. Signed-off-by: Koichiro Den --- drivers/pci/endpoint/functions/pci-epf-vntb.c | 52 ++++++++++++++----- 1 file changed, 39 insertions(+), 13 deletions(-) diff --git a/drivers/pci/endpoint/functions/pci-epf-vntb.c b/drivers/pci/endpoint/functions/pci-epf-vntb.c index af0651c03b20..3059ed85a955 100644 --- a/drivers/pci/endpoint/functions/pci-epf-vntb.c +++ b/drivers/pci/endpoint/functions/pci-epf-vntb.c @@ -118,7 +118,7 @@ struct epf_ntb_ctrl { } __packed; struct epf_ntb { - struct ntb_dev ntb; + struct ntb_dev *ntb; struct pci_epf *epf; struct config_group group; @@ -144,10 +144,16 @@ struct epf_ntb { void __iomem *vpci_mw_addr[MAX_MW]; struct delayed_work cmd_handler; + + struct pci_bus *vpci_bus; }; #define to_epf_ntb(epf_group) container_of((epf_group), struct epf_ntb, group) -#define ntb_ndev(__ntb) container_of(__ntb, struct epf_ntb, ntb) + +static inline struct epf_ntb *ntb_ndev(struct ntb_dev *ntb) +{ + return (struct epf_ntb *)ntb->pdev->sysdata; +} static struct pci_epf_header epf_ntb_header = { .vendorid = PCI_ANY_ID, @@ -173,7 +179,7 @@ static int epf_ntb_link_up(struct epf_ntb *ntb, bool link_up) else ntb->reg->link_status &= ~LINK_STATUS_UP; - ntb_link_event(&ntb->ntb); + ntb_link_event(ntb->ntb); return 0; } @@ -261,7 +267,7 @@ static void epf_ntb_cmd_handler(struct work_struct *work) for (i = 1; i < ntb->db_count; i++) { if (ntb->epf_db[i]) { ntb->db |= 1 << (i - 1); - ntb_db_event(&ntb->ntb, i); + ntb_db_event(ntb->ntb, i); ntb->epf_db[i] = 0; } } @@ -1097,7 +1103,6 @@ static int vpci_scan_bus(void *sysdata) { struct pci_bus *vpci_bus; struct epf_ntb *ndev = sysdata; - LIST_HEAD(resources); static struct resource busn_res = { .start = 0, @@ -1115,6 +1120,7 @@ static int vpci_scan_bus(void *sysdata) pr_err("create pci bus failed\n"); return -EINVAL; } + ndev->vpci_bus = vpci_bus; pci_bus_add_devices(vpci_bus); @@ -1159,7 +1165,7 @@ static int vntb_epf_mw_set_trans(struct ntb_dev *ndev, int pidx, int idx, int ret; struct device *dev; - dev = &ntb->ntb.dev; + dev = &ntb->ntb->dev; barno = ntb->epf_ntb_bar[BAR_MW1 + idx]; epf_bar = &ntb->epf->bar[barno]; epf_bar->phys_addr = addr; @@ -1259,7 +1265,7 @@ static int vntb_epf_peer_db_set(struct ntb_dev *ndev, u64 db_bits) ret = pci_epc_raise_irq(ntb->epf->epc, func_no, vfunc_no, PCI_IRQ_MSI, interrupt_num + 1); if (ret) - dev_err(&ntb->ntb.dev, "Failed to raise IRQ\n"); + dev_err(&ntb->ntb->dev, "Failed to raise IRQ\n"); return ret; } @@ -1346,9 +1352,12 @@ static int pci_vntb_probe(struct pci_dev *pdev, const struct pci_device_id *id) struct epf_ntb *ndev = (struct epf_ntb *)pdev->sysdata; struct device *dev = &pdev->dev; - ndev->ntb.pdev = pdev; - ndev->ntb.topo = NTB_TOPO_NONE; - ndev->ntb.ops = &vntb_epf_ops; + ndev->ntb = devm_kzalloc(dev, sizeof(*ndev->ntb), GFP_KERNEL); + if (!ndev->ntb) + return -ENOMEM; + ndev->ntb->pdev = pdev; + ndev->ntb->topo = NTB_TOPO_NONE; + ndev->ntb->ops = &vntb_epf_ops; ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32)); if (ret) { @@ -1356,7 +1365,7 @@ static int pci_vntb_probe(struct pci_dev *pdev, const struct pci_device_id *id) return ret; } - ret = ntb_register_device(&ndev->ntb); + ret = ntb_register_device(ndev->ntb); if (ret) { dev_err(dev, "Failed to register NTB device\n"); return ret; @@ -1366,6 +1375,17 @@ static int pci_vntb_probe(struct pci_dev *pdev, const struct pci_device_id *id) return 0; } +static void pci_vntb_remove(struct pci_dev *pdev) +{ + struct epf_ntb *ndev = (struct epf_ntb *)pdev->sysdata; + + if (!ndev || !ndev->ntb) + return; + + ntb_unregister_device(ndev->ntb); + ndev->ntb = NULL; +} + static struct pci_device_id pci_vntb_table[] = { { PCI_DEVICE(0xffff, 0xffff), @@ -1377,6 +1397,7 @@ static struct pci_driver vntb_pci_driver = { .name = "pci-vntb", .id_table = pci_vntb_table, .probe = pci_vntb_probe, + .remove = pci_vntb_remove, }; /* ============ PCIe EPF Driver Bind ====================*/ @@ -1459,10 +1480,15 @@ static void epf_ntb_unbind(struct pci_epf *epf) { struct epf_ntb *ntb = epf_get_drvdata(epf); + pci_unregister_driver(&vntb_pci_driver); + + pci_lock_rescan_remove(); + pci_stop_root_bus(ntb->vpci_bus); + pci_remove_root_bus(ntb->vpci_bus); + pci_unlock_rescan_remove(); + epf_ntb_epc_cleanup(ntb); epf_ntb_config_spad_bar_free(ntb); - - pci_unregister_driver(&vntb_pci_driver); } // EPF driver probe -- 2.48.1 From - Sun Nov 30 15:15:10 2025 X-Mozilla-Status: 0001 X-Mozilla-Status2: 00000000 Return-Path: Delivered-To: hi@josie.lol Received: from witcher.mxrouting.net by witcher.mxrouting.net with LMTP id sCQ8NXpfLGkQ3TMAYBR5ng (envelope-from ) for ; 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