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[runtime] Show the error code if calling coreclr_initialize fails. - #25544

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rolfbjarne merged 1 commit into
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dev/rolf/coreclr-initialize-failure
May 27, 2026
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[runtime] Show the error code if calling coreclr_initialize fails.#25544
rolfbjarne merged 1 commit into
mainfrom
dev/rolf/coreclr-initialize-failure

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Copilot AI review requested due to automatic review settings May 27, 2026 14:45
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rolfbjarne enabled auto-merge (squash) May 27, 2026 14:45

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Pull request overview

This PR attempts to improve diagnostics for CoreCLR startup failures by logging the coreclr_initialize return code before VM initialization reports failure.

Changes:

  • Adds a failure-path log message after coreclr_initialize returns a non-zero value.

Comment thread runtime/coreclr-bridge.m
LOG_CORECLR (stderr, "xamarin_vm_initialize (%i, %p, %p): rv: %i domainId: %i handle: %p\n", combinedPropertyCount, combinedPropertyKeys, combinedPropertyValues, rv, coreclr_domainId, coreclr_handle);

if (rv != 0) {
LOG (PRODUCT ": The call to 'coreclr_initialize' failed: %i (%p)\n", rv, rv);
Comment thread runtime/coreclr-bridge.m
LOG_CORECLR (stderr, "xamarin_vm_initialize (%i, %p, %p): rv: %i domainId: %i handle: %p\n", combinedPropertyCount, combinedPropertyKeys, combinedPropertyValues, rv, coreclr_domainId, coreclr_handle);

if (rv != 0) {
LOG (PRODUCT ": The call to 'coreclr_initialize' failed: %i (%p)\n", rv, rv);
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✅ [PR Build #64d4b14] Build passed (Detect API changes) ✅

Pipeline on Agent
Hash: 64d4b1414712830c0f156d0d4b59460d8977e6c2 [PR build]

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✅ [PR Build #64d4b14] Build passed (Build packages) ✅

Pipeline on Agent
Hash: 64d4b1414712830c0f156d0d4b59460d8977e6c2 [PR build]

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✅ API diff for current PR / commit

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✅ API diff vs stable

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ℹ️ Generator diff

Generator Diff: vsdrops (html) vsdrops (raw diff) gist (raw diff) - Please review changes)

Pipeline on Agent
Hash: 64d4b1414712830c0f156d0d4b59460d8977e6c2 [PR build]

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✅ [PR Build #64d4b14] Build passed (Build macOS tests) ✅

Pipeline on Agent
Hash: 64d4b1414712830c0f156d0d4b59460d8977e6c2 [PR build]

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🚀 [CI Build #64d4b14] Test results 🚀

Test results

✅ All tests passed on VSTS: test results.

🎉 All 193 tests passed 🎉

Tests counts

✅ cecil: All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (iOS): All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (MacCatalyst): All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (macOS): All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (Multiple platforms): All 1 tests passed. Html Report (VSDrops) Download
✅ dotnettests (tvOS): All 1 tests passed. Html Report (VSDrops) Download
✅ framework: All 2 tests passed. Html Report (VSDrops) Download
✅ fsharp: All 4 tests passed. [attempt 2] Html Report (VSDrops) Download
✅ generator: All 5 tests passed. Html Report (VSDrops) Download
✅ interdependent-binding-projects: All 4 tests passed. Html Report (VSDrops) Download
✅ introspection: All 6 tests passed. Html Report (VSDrops) Download
✅ linker (iOS): All 11 tests passed. Html Report (VSDrops) Download
✅ linker (MacCatalyst): All 11 tests passed. Html Report (VSDrops) Download
✅ linker (macOS): All 11 tests passed. Html Report (VSDrops) Download
✅ linker (tvOS): All 11 tests passed. Html Report (VSDrops) Download
✅ monotouch (iOS): All 20 tests passed. Html Report (VSDrops) Download
✅ monotouch (MacCatalyst): All 23 tests passed. Html Report (VSDrops) Download
✅ monotouch (macOS): All 23 tests passed. Html Report (VSDrops) Download
✅ monotouch (tvOS): All 20 tests passed. Html Report (VSDrops) Download
✅ msbuild: All 2 tests passed. Html Report (VSDrops) Download
✅ sharpie: All 1 tests passed. Html Report (VSDrops) Download
✅ windows: All 3 tests passed. Html Report (VSDrops) Download
✅ xcframework: All 4 tests passed. Html Report (VSDrops) Download
✅ xtro: All 1 tests passed. Html Report (VSDrops) Download

macOS tests

✅ Tests on macOS Monterey (12): All 5 tests passed. Html Report (VSDrops) Download
✅ Tests on macOS Ventura (13): All 5 tests passed. Html Report (VSDrops) Download
✅ Tests on macOS Sonoma (14): All 5 tests passed. Html Report (VSDrops) Download
✅ Tests on macOS Sequoia (15): All 5 tests passed. Html Report (VSDrops) Download
✅ Tests on macOS Tahoe (26): All 5 tests passed. Html Report (VSDrops) Download

Linux Build Verification

Linux build succeeded

Pipeline on Agent
Hash: 64d4b1414712830c0f156d0d4b59460d8977e6c2 [PR build]

@rolfbjarne
rolfbjarne merged commit 1605355 into main May 27, 2026
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4 participants