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issues: a test build waited forty minutes on its own process's sysroot lock - #1142

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sysroot-lock-wait-issue
Nov 1, 2026
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sysroot-lock-wait-issue

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@Japabu Japabu commented Nov 1, 2026

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Records a harness defect observed while verifying #1077, with its cause unknown ("No silent debt").

During one cargo test --test toyos-build run of eight guest tests at 929e73d6c, one guest build waited 2611 s on a sysroot lock held by its own test process. Six other builds waiting on the same lock went on once the sysroot was built. The run had to be killed. A neighbouring guest build failed to compile just before, but that is not established as the cause. The record has the timeline, the masked log at its evidence commit, an exit and an owner.

Markdown only: there is no build or test to run. The check is consistency with issues/README.md's frontmatter and format.

🤖 Generated with Claude Code

…t lock

Observed in one QEMU run of #1077's branch; the cause is not established.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Japabu marked this pull request as ready for review November 1, 2026 19:03
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Japabu added this pull request to the merge queue Nov 1, 2026
Merged via the queue into main with commit 265bbf0 Nov 1, 2026
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Japabu deleted the sysroot-lock-wait-issue branch November 1, 2026 19:07
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