[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"skill-nvidia-jetson-customize-mgbe":3,"mdc--bl8isz-key":31,"related-repo-nvidia-jetson-customize-mgbe":1043,"related-org-nvidia-jetson-customize-mgbe":1149},{"slug":4,"name":4,"fn":5,"description":6,"org":7,"tags":11,"stars":20,"repoUrl":21,"updatedAt":22,"license":23,"forks":24,"topics":25,"repo":26,"sourceUrl":29,"mdContent":30},"jetson-customize-mgbe","configure Jetson MGBE QSFP interfaces","Enable Jetson Thor 25G\u002F10G\u002F1G MGBE QSFP via kernel-DT overlay. Do NOT use for UPHY lane allocation or ODMDATA edits.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},"nvidia","NVIDIA","https:\u002F\u002Fpexgzepcugksgbtrxkhf.supabase.co\u002Fstorage\u002Fv1\u002Fobject\u002Fpublic\u002Forg-logos\u002Fnvidia.png",[12,16,19],{"name":13,"slug":14,"type":15},"Networking","networking","tag",{"name":17,"slug":18,"type":15},"Hardware","hardware",{"name":9,"slug":8,"type":15},2473,"https:\u002F\u002Fgithub.com\u002FNVIDIA\u002Fskills","2026-07-14T05:29:40.749356","Apache-2.0",281,[],{"repoUrl":21,"stars":20,"forks":24,"topics":27,"description":28},[],"AI agent skills published by NVIDIA","https:\u002F\u002Fgithub.com\u002FNVIDIA\u002Fskills\u002Ftree\u002FHEAD\u002Fskills\u002Fjetson-customize-mgbe","---\nname: jetson-customize-mgbe\ndescription: >-\n  Enable Jetson Thor 25G\u002F10G\u002F1G MGBE QSFP via kernel-DT overlay.\n  Do NOT use for UPHY lane allocation or ODMDATA edits.\nversion: 0.0.1\nlicense: \"Apache-2.0\"\nmetadata:\n  data-classification: public\n  author: \"Jetson Team\"\n  tags:\n    - bsp\n    - phase-2\n    - io\n    - mgbe\n    - ethernet\n  domain: meta\n  permissions:\n    file_read:\n      - \"{workspace}\u002Ftarget-platform\u002F\"\n      - \"{source.root_path}\u002F\"\n      - \"{bsp_image.root_path}\u002FLinux_for_Tegra\u002F\"\n      - \"{documents.root_path}\u002F\"\n    file_write:\n      - \"{workspace}\u002Ftarget-platform\u002F\"\n      - \"{source.root_path}\u002Fbsp_sources\u002Fhardware\u002Fnvidia\u002F\"\n    shell:\n      - \"dtc\"\n      - \"fdtoverlay\"\n      - \"cpp\"\n      - \"git\"\n---\n\n# Customize MGBE \u002F 25G QSFP\n\n## Overview\n\nThor T264 exposes mgbe0..mgbe3. On a custom carrier, the 25G QSFP cage\n(or 10G \u002F 1G fiber path) is wired to one of them through SerDes — with\nor without an external MDIO PHY in front of the cage. This skill\nrenders the kernel-DT overlay that pairs the BPMP allocation with\nkernel-side `status=\"okay\"` + PHY plumbing on `&mgbeN`.\n\n**Out of scope:**\n- UPHY lane allocation — owned by `\u002Fjetson-customize-uphy`. Refuse if\n  the chosen `uphy1-config-N` doesn't allocate the target MGBE.\n- All ODMDATA tokens (`mgbeN-speed-*`, sub-node `mgbeN_status=*`) —\n  owned by `\u002Fjetson-customize-uphy` in its single atomic ODMDATA\n  commit. This skill MUST NOT touch `ODMDATA=`.\n\nOutput is **one commit** to the composite custom overlay `.dts` in the\n`bsp_sources\u002F` hardware repo. `\u002Fjetson-build-source` compiles the\ncomposite to `.dtbo` and owns its Makefile + flash-conf registration.\n\n## When to invoke\n\n- The user says \"enable 25G\", \"configure QSFP\", \"set MGBE PHY mode\",\n  \"wire MGBE to QSFP\", or asks to bring up a 10G \u002F 1G fiber path.\n- Cold boot succeeds but `ip link show mgbe\u003CN>` reports `state DOWN`\n  or `NO-CARRIER` on the configured controller, OR the controller\n  never appears at all.\n- `jetson-customize-uphy` ran with `uphy1-config-8` (or another config\n  allocating MGBE) and you now need to bring up the per-controller\n  side.\n\n**Prerequisites:**\n\n- Active profile selected with `reference_devkit:` (Thor) +\n  `custom_carrier:` blocks.\n- `\u003Csource.root_path>\u002FLinux_for_Tegra\u002F.git` exists\n  (`\u002Fjetson-init-source`).\n- `\u002Fjetson-derive-carrier` has run — carrier flash-conf fork is in\n  the overlay tracker.\n- `\u002Fjetson-customize-uphy` chose a UPHY config that allocates the target\n  MGBE controller's lanes (`uphy1-config-8` on Thor for MGBE0..3 25G).\n- Source-of-truth docs registered or supplied at prompt:\n  Adaptation Guide, Module Design Guide, SoC TRM.\n- **When `custom_carrier:` is present, both\n  `documents.custom_carrier_schematic` AND\n  `documents.custom_carrier_pinmux_xls` are REQUIRED.** Refuse the run\n  if either is missing — MGBE routing on a custom carrier cannot be\n  guessed. Reference-devkit-only profiles skip this check.\n- `dtc` on PATH.\n\n## Procedure\n\nSee `references\u002Fprocedure.md` for the full step-by-step procedure (Steps 1–8). Summary:\n\n1. **Resolve active target + documents.** Validate active profile, custom_carrier, overlay tracker; locate the relevant Adaptation Guide chapter and pinmap.\n2. **Per-controller question loop.** AskUserQuestion driven by `questions.json` (controller, phy_mode, attach kind, I²C bus\u002Faddr, reset GPIO, compatible_list).\n3. **Derive max-speed from phy_mode.** Decompile the BPMP DTB to pick sub-node vs top-level token grammar; cite the inspection in notes.\n4. **Verify HSIO pins + auto-fix.** Run `pin_verifier.py` for MDC\u002FMDIO\u002FRESET\u002FINT; surface mismatches and route to `\u002Fjetson-customize-pinmux`.\n5. **(no ODMDATA edits.)** MGBE ODMDATA tokens are emitted by `\u002Fjetson-customize-uphy`. Step 5 only records the BPMP DTB token-form inspection (sub-node vs top-level) in `notes[]` for audit.\n6. **Append composite-overlay fragments.** Write one fragment per controller into the composite custom overlay `.dts`; obey the `\u002F* custom-bsp: mgbe:mgbe... *\u002F` marker contract; run the cpp\u002Fdtc\u002Ffdtoverlay pre-flight.\n7. **(Reserved.)** Sibling-skill ordering \u002F cross-cutting validation.\n8. **Run-state sidecar + summary + next-step chain.** Write `\u003Cprofile-stem>.jetson-customize-mgbe.json` and emit the one-line + table summary, then drive the downstream chain via sequential `AskUserQuestion` prompts per `references\u002Fprocedure.md` Step 8. Never substitute a printed \"Next step: …\" line for the prompts.\n\n## Gotchas\n\n- **Stock Thor BPMP DTB has no `\u002Fmgbe\u002Fmgbe@N` subtree** — only\n  `mgbe\u003CN>-speed` under `\u002Fuphy`. The `mgbe\u003CN>_status=disabled`\n  sub-node token is silently rejected on these releases; the whole\n  ODMDATA line is then dropped at flash time. Always decompile BPMP\n  DTB (Step 3) before emitting; use the top-level dashed form\n  (`mgbe\u003CN>-speed-del` to remove, `mgbe\u003CN>-speed-25G` to set) when\n  the sub-node isn't there. Same wrong-form failure surface as\n  `jetson-customize-uphy`.\n- **`mdio` child needs both `#address-cells = \u003C1>` AND\n  `#size-cells = \u003C0>`** when `phy_attach_kind==\"phy\"`. Missing either\n  → kernel rejects `phy@\u003Caddr>` reg property at probe; MGBE never\n  comes up.\n- **Overlay root `compatible` must intersect live DT compatible.**\n  UEFI plugin-manager filters by compatible match. A mismatched\n  overlay is silently skipped — flash succeeds, MGBE stays disabled,\n  no error in dmesg. Always sanity-check against\n  `\u002Fproc\u002Fdevice-tree\u002Fcompatible` on a booted reference DUT.\n- **`OVERLAY_DTB_FILE` ordering is `jetson-build-source`'s problem,\n  not this skill's.** This skill never touches the carrier flash\n  conf. The composite custom overlay is registered (by\n  `\u002Fjetson-build-source` Step 5.0a) AFTER the platform\n  `*-dynamic.dtbo`, which is the correct ordering. If you find\n  yourself appending `OVERLAY_DTB_FILE+=` in this skill, you're\n  duplicating ownership — stop, and let the build skill do it.\n- **UPHY lane allocation is `jetson-customize-uphy`'s job.** If the chosen\n  `uphy1-config-N` doesn't allocate lanes for the target MGBE\n  controller, BL31 SError (`fmon_update_config: detected fault\n  0x80`) on cold boot. Always run `\u002Fjetson-customize-uphy` first; cite the\n  chosen `uphy1-config-N` in this skill's run-summary `notes[]`.\n- **Don't disable a stock-okay controller via ODMDATA alone.** Same\n  rule as `jetson-customize-uphy`: `mgbe\u003CN>_status=disabled` for a\n  controller that's already disabled in BPMP DTB is a no-op the\n  parser may treat as ambiguous → drops the rest of the ODMDATA\n  line. Disable via the kernel-DT overlay (`status=\"disabled\"`) only.\n- **Don't touch the upstream BSP at `\u003Cbsp_image.root_path>`.** All\n  edits land in the overlay tracker \u002F `bsp_sources` mono-repo under\n  the pristine + customization commit pattern.\n- **JSON sidecar is structured state, not authoritative.** Same\n  caveat as `jetson-customize-uphy`: ODMDATA + overlay `.dts` + two git\n  commits are the device-facing outputs; the sidecar is for tooling\n  and idempotency only.\n\n## References\n\n- [`questions.json`](references\u002Fquestions.json) — Q-1..Q-8 prompt schema\n  consumed by Step 2.\n- [`..\u002F..\u002Fscripts\u002Fpin_verifier.py`](..\u002F..\u002Fscripts\u002Fpin_verifier.py)\n  — shared HSIO pin verifier (Step 4).\n- [`..\u002F..\u002Freferences\u002Fplatform_template.yaml`](..\u002F..\u002Freferences\u002Fplatform_template.yaml)\n  — `documents:` block consumed by Step 1.\n- [`..\u002F..\u002Fcontext\u002Fbsp-customization-workflow.md`](..\u002F..\u002Fcontext\u002Fbsp-customization-workflow.md#commit-batching-in-the-overlay-tracker)\n  — overlay edit protocol (batched pristine + customization commit).\n- [`..\u002Fjetson-customize-uphy\u002FSKILL.md`](..\u002Fjetson-customize-uphy\u002FSKILL.md) — sibling\n  skill that owns UPHY lane allocation. Must run before this skill to\n  set `uphy1-config-N` for MGBE-allocated configurations.\n- [`..\u002Fjetson-customize-pinmux\u002FSKILL.md`](..\u002Fjetson-customize-pinmux\u002FSKILL.md) —\n  sibling skill invoked by Step 4 (with operator confirmation) to\n  fix pin SFIO mismatches.\n- [`..\u002Fjetson-derive-carrier\u002FSKILL.md`](..\u002Fjetson-derive-carrier\u002FSKILL.md)\n  — must run first; produces the carrier flash-conf fork edited in\n  Step 5 and the carrier base overlay this skill orders after.\n- [`..\u002Fjetson-init-source\u002FSKILL.md`](..\u002Fjetson-init-source\u002FSKILL.md) —\n  produces the overlay tracker + bsp_sources repo this skill commits\n  into.\n",{"data":32,"body":57},{"name":4,"description":6,"version":33,"license":23,"metadata":34},"0.0.1",{"data-classification":35,"author":36,"tags":37,"domain":43,"permissions":44},"public","Jetson Team",[38,39,40,41,42],"bsp","phase-2","io","mgbe","ethernet","meta",{"file_read":45,"file_write":50,"shell":52},[46,47,48,49],"{workspace}\u002Ftarget-platform\u002F","{source.root_path}\u002F","{bsp_image.root_path}\u002FLinux_for_Tegra\u002F","{documents.root_path}\u002F",[46,51],"{source.root_path}\u002Fbsp_sources\u002Fhardware\u002Fnvidia\u002F",[53,54,55,56],"dtc","fdtoverlay","cpp","git",{"type":58,"children":59},"root",[60,69,76,99,108,169,213,219,275,283,402,408,421,581,587,905,911],{"type":61,"tag":62,"props":63,"children":65},"element","h1",{"id":64},"customize-mgbe-25g-qsfp",[66],{"type":67,"value":68},"text","Customize MGBE \u002F 25G QSFP",{"type":61,"tag":70,"props":71,"children":73},"h2",{"id":72},"overview",[74],{"type":67,"value":75},"Overview",{"type":61,"tag":77,"props":78,"children":79},"p",{},[80,82,89,91,97],{"type":67,"value":81},"Thor T264 exposes mgbe0..mgbe3. On a custom carrier, the 25G QSFP cage\n(or 10G \u002F 1G fiber path) is wired to one of them through SerDes — with\nor without an external MDIO PHY in front of the cage. This skill\nrenders the kernel-DT overlay that pairs the BPMP allocation with\nkernel-side ",{"type":61,"tag":83,"props":84,"children":86},"code",{"className":85},[],[87],{"type":67,"value":88},"status=\"okay\"",{"type":67,"value":90}," + PHY plumbing on ",{"type":61,"tag":83,"props":92,"children":94},{"className":93},[],[95],{"type":67,"value":96},"&mgbeN",{"type":67,"value":98},".",{"type":61,"tag":77,"props":100,"children":101},{},[102],{"type":61,"tag":103,"props":104,"children":105},"strong",{},[106],{"type":67,"value":107},"Out of scope:",{"type":61,"tag":109,"props":110,"children":111},"ul",{},[112,134],{"type":61,"tag":113,"props":114,"children":115},"li",{},[116,118,124,126,132],{"type":67,"value":117},"UPHY lane allocation — owned by ",{"type":61,"tag":83,"props":119,"children":121},{"className":120},[],[122],{"type":67,"value":123},"\u002Fjetson-customize-uphy",{"type":67,"value":125},". Refuse if\nthe chosen ",{"type":61,"tag":83,"props":127,"children":129},{"className":128},[],[130],{"type":67,"value":131},"uphy1-config-N",{"type":67,"value":133}," doesn't allocate the target MGBE.",{"type":61,"tag":113,"props":135,"children":136},{},[137,139,145,147,153,155,160,162,168],{"type":67,"value":138},"All ODMDATA tokens (",{"type":61,"tag":83,"props":140,"children":142},{"className":141},[],[143],{"type":67,"value":144},"mgbeN-speed-*",{"type":67,"value":146},", sub-node ",{"type":61,"tag":83,"props":148,"children":150},{"className":149},[],[151],{"type":67,"value":152},"mgbeN_status=*",{"type":67,"value":154},") —\nowned by ",{"type":61,"tag":83,"props":156,"children":158},{"className":157},[],[159],{"type":67,"value":123},{"type":67,"value":161}," in its single atomic ODMDATA\ncommit. This skill MUST NOT touch ",{"type":61,"tag":83,"props":163,"children":165},{"className":164},[],[166],{"type":67,"value":167},"ODMDATA=",{"type":67,"value":98},{"type":61,"tag":77,"props":170,"children":171},{},[172,174,179,181,187,189,195,197,203,205,211],{"type":67,"value":173},"Output is ",{"type":61,"tag":103,"props":175,"children":176},{},[177],{"type":67,"value":178},"one commit",{"type":67,"value":180}," to the composite custom overlay ",{"type":61,"tag":83,"props":182,"children":184},{"className":183},[],[185],{"type":67,"value":186},".dts",{"type":67,"value":188}," in the\n",{"type":61,"tag":83,"props":190,"children":192},{"className":191},[],[193],{"type":67,"value":194},"bsp_sources\u002F",{"type":67,"value":196}," hardware repo. ",{"type":61,"tag":83,"props":198,"children":200},{"className":199},[],[201],{"type":67,"value":202},"\u002Fjetson-build-source",{"type":67,"value":204}," compiles the\ncomposite to ",{"type":61,"tag":83,"props":206,"children":208},{"className":207},[],[209],{"type":67,"value":210},".dtbo",{"type":67,"value":212}," and owns its Makefile + flash-conf registration.",{"type":61,"tag":70,"props":214,"children":216},{"id":215},"when-to-invoke",[217],{"type":67,"value":218},"When to invoke",{"type":61,"tag":109,"props":220,"children":221},{},[222,227,256],{"type":61,"tag":113,"props":223,"children":224},{},[225],{"type":67,"value":226},"The user says \"enable 25G\", \"configure QSFP\", \"set MGBE PHY mode\",\n\"wire MGBE to QSFP\", or asks to bring up a 10G \u002F 1G fiber path.",{"type":61,"tag":113,"props":228,"children":229},{},[230,232,238,240,246,248,254],{"type":67,"value":231},"Cold boot succeeds but ",{"type":61,"tag":83,"props":233,"children":235},{"className":234},[],[236],{"type":67,"value":237},"ip link show mgbe\u003CN>",{"type":67,"value":239}," reports ",{"type":61,"tag":83,"props":241,"children":243},{"className":242},[],[244],{"type":67,"value":245},"state DOWN",{"type":67,"value":247},"\nor ",{"type":61,"tag":83,"props":249,"children":251},{"className":250},[],[252],{"type":67,"value":253},"NO-CARRIER",{"type":67,"value":255}," on the configured controller, OR the controller\nnever appears at all.",{"type":61,"tag":113,"props":257,"children":258},{},[259,265,267,273],{"type":61,"tag":83,"props":260,"children":262},{"className":261},[],[263],{"type":67,"value":264},"jetson-customize-uphy",{"type":67,"value":266}," ran with ",{"type":61,"tag":83,"props":268,"children":270},{"className":269},[],[271],{"type":67,"value":272},"uphy1-config-8",{"type":67,"value":274}," (or another config\nallocating MGBE) and you now need to bring up the per-controller\nside.",{"type":61,"tag":77,"props":276,"children":277},{},[278],{"type":61,"tag":103,"props":279,"children":280},{},[281],{"type":67,"value":282},"Prerequisites:",{"type":61,"tag":109,"props":284,"children":285},{},[286,307,326,337,354,359,392],{"type":61,"tag":113,"props":287,"children":288},{},[289,291,297,299,305],{"type":67,"value":290},"Active profile selected with ",{"type":61,"tag":83,"props":292,"children":294},{"className":293},[],[295],{"type":67,"value":296},"reference_devkit:",{"type":67,"value":298}," (Thor) +\n",{"type":61,"tag":83,"props":300,"children":302},{"className":301},[],[303],{"type":67,"value":304},"custom_carrier:",{"type":67,"value":306}," blocks.",{"type":61,"tag":113,"props":308,"children":309},{},[310,316,318,324],{"type":61,"tag":83,"props":311,"children":313},{"className":312},[],[314],{"type":67,"value":315},"\u003Csource.root_path>\u002FLinux_for_Tegra\u002F.git",{"type":67,"value":317}," exists\n(",{"type":61,"tag":83,"props":319,"children":321},{"className":320},[],[322],{"type":67,"value":323},"\u002Fjetson-init-source",{"type":67,"value":325},").",{"type":61,"tag":113,"props":327,"children":328},{},[329,335],{"type":61,"tag":83,"props":330,"children":332},{"className":331},[],[333],{"type":67,"value":334},"\u002Fjetson-derive-carrier",{"type":67,"value":336}," has run — carrier flash-conf fork is in\nthe overlay tracker.",{"type":61,"tag":113,"props":338,"children":339},{},[340,345,347,352],{"type":61,"tag":83,"props":341,"children":343},{"className":342},[],[344],{"type":67,"value":123},{"type":67,"value":346}," chose a UPHY config that allocates the target\nMGBE controller's lanes (",{"type":61,"tag":83,"props":348,"children":350},{"className":349},[],[351],{"type":67,"value":272},{"type":67,"value":353}," on Thor for MGBE0..3 25G).",{"type":61,"tag":113,"props":355,"children":356},{},[357],{"type":67,"value":358},"Source-of-truth docs registered or supplied at prompt:\nAdaptation Guide, Module Design Guide, SoC TRM.",{"type":61,"tag":113,"props":360,"children":361},{},[362,390],{"type":61,"tag":103,"props":363,"children":364},{},[365,367,372,374,380,382,388],{"type":67,"value":366},"When ",{"type":61,"tag":83,"props":368,"children":370},{"className":369},[],[371],{"type":67,"value":304},{"type":67,"value":373}," is present, both\n",{"type":61,"tag":83,"props":375,"children":377},{"className":376},[],[378],{"type":67,"value":379},"documents.custom_carrier_schematic",{"type":67,"value":381}," AND\n",{"type":61,"tag":83,"props":383,"children":385},{"className":384},[],[386],{"type":67,"value":387},"documents.custom_carrier_pinmux_xls",{"type":67,"value":389}," are REQUIRED.",{"type":67,"value":391}," Refuse the run\nif either is missing — MGBE routing on a custom carrier cannot be\nguessed. 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Requires NGC API key.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[1125,1126,1129,1130],{"name":1069,"slug":1070,"type":15},{"name":1127,"slug":1128,"type":15},"Docker","docker",{"name":9,"slug":8,"type":15},{"name":1131,"slug":1132,"type":15},"Operations","operations","2026-07-17T05:28:56.913999",{"slug":1135,"name":1135,"fn":1136,"description":1137,"org":1138,"tags":1139,"stars":20,"repoUrl":21,"updatedAt":1147},"cudaq-guide","develop quantum applications with CUDA-Q","CUDA-Q onboarding guide for installation, test programs, GPU simulation, QPU hardware, and quantum applications.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[1140,1141,1144],{"name":9,"slug":8,"type":15},{"name":1142,"slug":1143,"type":15},"Quantum Computing","quantum-computing",{"name":1145,"slug":1146,"type":15},"Simulation","simulation","2026-07-14T05:26:58.898253",305,{"items":1150,"total":1301},[1151,1169,1185,1196,1208,1222,1235,1249,1260,1269,1283,1292],{"slug":1152,"name":1152,"fn":1153,"description":1154,"org":1155,"tags":1156,"stars":1166,"repoUrl":1167,"updatedAt":1168},"nemoclaw-user-guide","retrieve NemoClaw documentation and configuration","Guides human users' AI agents to the NemoClaw docs MCP server and canonical Fern documentation in Markdown form. Use when users ask how to install, configure, operate, troubleshoot, secure, or learn NemoClaw with an AI coding assistant. Trigger keywords - nemoclaw docs, use nemoclaw with ai agent, nemoclaw mcp docs, nemoclaw install help, nemoclaw quickstart, nemoclaw markdown docs, llms.txt, agent skills.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[1157,1160,1163],{"name":1158,"slug":1159,"type":15},"Documentation","documentation",{"name":1161,"slug":1162,"type":15},"MCP","mcp",{"name":1164,"slug":1165,"type":15},"Search","search",21777,"https:\u002F\u002Fgithub.com\u002FNVIDIA\u002FNemoClaw","2026-07-20T06:00:01.461044",{"slug":1170,"name":1170,"fn":1171,"description":1172,"org":1173,"tags":1174,"stars":1182,"repoUrl":1183,"updatedAt":1184},"mcore-build-and-dependency","manage Megatron-LM development environments","Container-based dev environment setup and dependency management for Megatron-LM. Covers acquiring and launching the CI container, uv package management, and updating uv.lock.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[1175,1178,1179],{"name":1176,"slug":1177,"type":15},"Containers","containers",{"name":1069,"slug":1070,"type":15},{"name":1180,"slug":1181,"type":15},"Python","python",17049,"https:\u002F\u002Fgithub.com\u002FNVIDIA\u002FMegatron-LM","2026-07-27T06:06:11.249662",{"slug":1186,"name":1186,"fn":1187,"description":1188,"org":1189,"tags":1190,"stars":1182,"repoUrl":1183,"updatedAt":1195},"mcore-bump-base-image","update NVIDIA PyTorch base images","Bump the NVIDIA PyTorch base image (`nvcr.io\u002Fnvidia\u002Fpytorch:YY.MM-py3`) used by Megatron-LM CI. Covers the two pin sites (GitHub CI in `docker\u002F.ngc_version.dev` and GitLab CI in `.gitlab\u002Fstages\u002F01.build.yml`), the post-bump CI loop (re-run functional tests, refresh golden values, mark broken tests), and the gotchas that bit PRs",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[1191,1194],{"name":1192,"slug":1193,"type":15},"CI\u002FCD","ci-cd",{"name":1069,"slug":1070,"type":15},"2026-07-14T05:25:59.97109",{"slug":1197,"name":1197,"fn":1198,"description":1199,"org":1200,"tags":1201,"stars":1182,"repoUrl":1183,"updatedAt":1207},"mcore-cicd","manage CI\u002FCD pipelines for Megatron-LM","CI\u002FCD reference for Megatron-LM. Covers CI pipeline structure, PR scope labels, triggering internal GitLab CI (which force-pushes the current branch to a pull-request\u002FBRANCH ref — always dry-run and verify the destination first; never run against shared or protected branches), and CI failure investigation.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[1202,1203,1204],{"name":1192,"slug":1193,"type":15},{"name":1069,"slug":1070,"type":15},{"name":1205,"slug":1206,"type":15},"GitHub","github","2026-07-27T06:06:12.278222",{"slug":1209,"name":1209,"fn":1210,"description":1211,"org":1212,"tags":1213,"stars":1182,"repoUrl":1183,"updatedAt":1221},"mcore-create-issue","investigate CI failures and create issues","Investigate a failing GitHub Actions run or job and create a GitHub issue for the failure.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[1214,1217,1218],{"name":1215,"slug":1216,"type":15},"Debugging","debugging",{"name":1205,"slug":1206,"type":15},{"name":1219,"slug":1220,"type":15},"Triage","triage","2026-07-14T05:25:57.442089",{"slug":1223,"name":1223,"fn":1224,"description":1225,"org":1226,"tags":1227,"stars":1182,"repoUrl":1183,"updatedAt":1234},"mcore-linting-and-formatting","lint and format Megatron-LM code","Linting and formatting for Megatron-LM. Covers running autoformat.sh, tools (ruff, black, isort, pylint, mypy), and code style rules.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[1228,1231],{"name":1229,"slug":1230,"type":15},"Best Practices","best-practices",{"name":1232,"slug":1233,"type":15},"Code Analysis","code-analysis","2026-07-14T05:25:56.18433",{"slug":1236,"name":1236,"fn":1237,"description":1238,"org":1239,"tags":1240,"stars":1182,"repoUrl":1183,"updatedAt":1248},"mcore-migrate-gpt-to-hybrid","migrate Megatron-LM models to HybridModel","Migration guide for moving Megatron Core GPTModel checkpoints, model providers, training commands, and layer mappings to HybridModel.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[1241,1244,1247],{"name":1242,"slug":1243,"type":15},"Machine Learning","machine-learning",{"name":1245,"slug":1246,"type":15},"Migration","migration",{"name":9,"slug":8,"type":15},"2026-07-17T06:07:11.777011",{"slug":1250,"name":1250,"fn":1251,"description":1252,"org":1253,"tags":1254,"stars":1182,"repoUrl":1183,"updatedAt":1259},"mcore-onboard-gb200-1node-tests","onboard functional tests for GB200","Onboard 1-node GitHub MR functional tests for GB200 from existing mr-scoped 2-node tests.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[1255,1258],{"name":1256,"slug":1257,"type":15},"QA","qa",{"name":1099,"slug":1100,"type":15},"2026-07-14T05:25:53.673039",{"slug":1261,"name":1261,"fn":1262,"description":1263,"org":1264,"tags":1265,"stars":1182,"repoUrl":1183,"updatedAt":1268},"mcore-run-on-slurm","launch distributed training jobs on SLURM","How to launch distributed Megatron-LM training jobs on a SLURM cluster. Covers a minimal sbatch skeleton, environment-variable setup for torch.distributed.run, CUDA_DEVICE_MAX_CONNECTIONS rules across hardware and parallelism modes, container conventions, monitoring, and per-rank failure diagnosis.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[1266,1267],{"name":1069,"slug":1070,"type":15},{"name":1072,"slug":1073,"type":15},"2026-07-14T05:25:49.362534",{"slug":1270,"name":1270,"fn":1271,"description":1272,"org":1273,"tags":1274,"stars":1182,"repoUrl":1183,"updatedAt":1282},"mcore-split-pr","split pull requests to reduce review load","Split a PR into multiple PRs to reduce the number of required CODEOWNERS reviewer groups.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[1275,1278,1279],{"name":1276,"slug":1277,"type":15},"Code Review","code-review",{"name":1205,"slug":1206,"type":15},{"name":1280,"slug":1281,"type":15},"Pull Requests","pull-requests","2026-07-14T05:26:01.226578",{"slug":1284,"name":1284,"fn":1285,"description":1286,"org":1287,"tags":1288,"stars":1182,"repoUrl":1183,"updatedAt":1291},"mcore-testing","run and manage Megatron-LM tests","Test system for Megatron-LM. Covers test layout, recipe YAML structure, adding and running unit and functional tests, golden values, marker filters, and CI parity.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[1289,1290],{"name":1256,"slug":1257,"type":15},{"name":1099,"slug":1100,"type":15},"2026-07-14T05:25:54.928983",{"slug":1293,"name":1293,"fn":1294,"description":1295,"org":1296,"tags":1297,"stars":1182,"repoUrl":1183,"updatedAt":1300},"nightly-sync","manage nightly main-to-dev sync workflows","Domain knowledge for the nightly main-to-dev sync workflow. Covers merge strategy, CI architecture, failure investigation, and known issues.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":9},[1298,1299],{"name":1109,"slug":1110,"type":15},{"name":1192,"slug":1193,"type":15},"2026-07-30T05:29:03.275638",496]