claude-code - 💡(How to fix) Fix [Bug] Model hangs on simple tasks with excessive token consumption [3 comments, 4 participants]

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anthropics/claude-code#53313Fetched 2026-04-26 05:18:56
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Error Message

[{"error":"Error: NON-FATAL: Lock acquisition failed for /Users/spencerchang/.local/share/claude/versions/2.1.119 (expected in multi-process scenarios)\n at mH6 (/$bunfs/root/src/entrypoints/cli.js:2736:2177)\n at E$8 (/$bunfs/root/src/entrypoints/cli.js:2736:1257)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-04-24T21:05:56.089Z"},{"error":"Error: Failed to fetch manifest from https://downloads.claude.ai/claude-code-releases/2.1.120/manifest.json: Request failed with status code 404\n at H$5 (/$bunfs/root/src/entrypoints/cli.js:2734:7319)\n at async n37 (/$bunfs/root/src/entrypoints/cli.js:2734:8083)\n at async s37 (/$bunfs/root/src/entrypoints/cli.js:2734:15177)\n at async Y$5 (/$bunfs/root/src/entrypoints/cli.js:2734:18044)\n at async t37 (/$bunfs/root/src/entrypoints/cli.js:2736:322)\n at async <anonymous> (/$bunfs/root/src/entrypoints/cli.js:8885:6077)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-04-24T21:05:56.764Z"},{"error":"AxiosError: Request failed with status code 404\n at zl (/$bunfs/root/src/entrypoints/cli.js:114:1194)\n at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:119:12696)\n at emit (node:events:92:22)\n at endReadableNT (internal:streams/readable:865:50)\n at processTicksAndRejections (native:7:39)\n at request (/$bunfs/root/src/entrypoints/cli.js:121:2467)\n at async H$5 (/$bunfs/root/src/entrypoints/cli.js:2734:7004)\n at async n37 (/$bunfs/root/src/entrypoints/cli.js:2734:8083)\n at async s37 (/$bunfs/root/src/entrypoints/cli.js:2734:15177)\n at async Y$5 (/$bunfs/root/src/entrypoints/cli.js:2734:18044)\n at async t37 (/$bunfs/root/src/entrypoints/cli.js:2736:322)\n at async <anonymous> (/$bunfs/root/src/entrypoints/cli.js:8885:6077)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-04-24T21:05:56.764Z"},{"error":"Error: Failed to fetch manifest from https://downloads.claude.ai/claude-code-releases/2.1.120/manifest.json: Request failed with status code 404\n at H$5 (/$bunfs/root/src/entrypoints/cli.js:2734:7319)\n at async n37 (/$bunfs/root/src/entrypoints/cli.js:2734:8083)\n at async s37 (/$bunfs/root/src/entrypoints/cli.js:2734:15177)\n at async Y$5 (/$bunfs/root/src/entrypoints/cli.js:2734:18044)\n at async t37 (/$bunfs/root/src/entrypoints/cli.js:2736:322)\n at async <anonymous> (/$bunfs/root/src/entrypoints/cli.js:8885:6077)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-04-24T21:06:01.638Z"},{"error":"AxiosError: Request failed with status code 404\n at zl (/$bunfs/root/src/entrypoints/cli.js:114:1194)\n at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:119:12696)\n at emit (node:events:92:22)\n at endReadableNT (internal:streams/readable:865:50)\n at processTicksAndRejections (native:7:39)\n at request (/$bunfs/root/src/entrypoints/cli.js:121:2467)\n at async H$5 (/$bunfs/root/src/entrypoints/cli.js:2734:7004)\n at async n37 (/$bunfs/root/src/entrypoints/cli.js:2734:8083)\n at async s37 (/$bunfs/root/src/entrypoints/cli.js:2734:15177)\n at async Y$5 (/$bunfs/root/src/entrypoints/cli.js:2734:18044)\n at async t37 (/$bunfs/root/src/entrypoints/cli.js:2736:322)\n at async <anonymous> (/$bunfs/root/src/entrypoints/cli.js:8885:6077)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-04-24T21:06:01.638Z"},{"error":"Error: Failed to fetch manifest from https://downloads.claude.ai/claude-code-releases/2.1.120/manifest.json: Request failed with status code 404\n at H$5 (/$bunfs/root/src/entrypoints/cli.js:2734:7319)\n at async n37 (/$bunfs/root/src/entrypoints/cli.js:2734:8083)\n at async s37 (/$bunfs/root/src/entrypoints/cli.js:2734:15177)\n at async Y$5 (/$bunfs/root/src/entrypoints/cli.js:2734:18044)\n at async t37 (/$bunfs/root/src/entrypoints/cli.js:2736:322)\n at async <anonymous> (/$bunfs/root/src/entrypoints/cli.js:8885:6077)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-04-24T21:06:05.439Z"},{"error":"AxiosError: Request failed with status code 404\n at zl (/$bunfs/root/src/entrypoints/cli.js:114:1194)\n at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:119:12696)\n at emit (node:events:92:22)\n at endReadableNT (internal:streams/readable:865:50)\n at processTicksAndRejections (native:7:39)\n at request (/$bunfs/root/src/entrypoints/cli.js:121:2467)\n at async H$5 (/$b…

Code Example

[{"error":"Error: NON-FATAL: Lock acquisition failed for /Users/spencerchang/.local/share/claude/versions/2.1.119 (expected in multi-process scenarios)\n    at mH6 (/$bunfs/root/src/entrypoints/cli.js:2736:2177)\n    at E$8 (/$bunfs/root/src/entrypoints/cli.js:2736:1257)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-24T21:05:56.089Z"},{"error":"Error: Failed to fetch manifest from https://downloads.claude.ai/claude-code-releases/2.1.120/manifest.json: Request failed with status code 404\n    at H$5 (/$bunfs/root/src/entrypoints/cli.js:2734:7319)\n    at async n37 (/$bunfs/root/src/entrypoints/cli.js:2734:8083)\n    at async s37 (/$bunfs/root/src/entrypoints/cli.js:2734:15177)\n    at async Y$5 (/$bunfs/root/src/entrypoints/cli.js:2734:18044)\n    at async t37 (/$bunfs/root/src/entrypoints/cli.js:2736:322)\n    at async <anonymous> (/$bunfs/root/src/entrypoints/cli.js:8885:6077)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-24T21:05:56.764Z"},{"error":"AxiosError: Request failed with status code 404\n    at zl (/$bunfs/root/src/entrypoints/cli.js:114:1194)\n    at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:119:12696)\n    at emit (node:events:92:22)\n    at endReadableNT (internal:streams/readable:865:50)\n    at processTicksAndRejections (native:7:39)\n    at request (/$bunfs/root/src/entrypoints/cli.js:121:2467)\n    at async H$5 (/$bunfs/root/src/entrypoints/cli.js:2734:7004)\n    at async n37 (/$bunfs/root/src/entrypoints/cli.js:2734:8083)\n    at async s37 (/$bunfs/root/src/entrypoints/cli.js:2734:15177)\n    at async Y$5 (/$bunfs/root/src/entrypoints/cli.js:2734:18044)\n    at async t37 (/$bunfs/root/src/entrypoints/cli.js:2736:322)\n    at async <anonymous> (/$bunfs/root/src/entrypoints/cli.js:8885:6077)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-24T21:05:56.764Z"},{"error":"Error: Failed to fetch manifest from https://downloads.claude.ai/claude-code-releases/2.1.120/manifest.json: Request failed with status code 404\n    at H$5 (/$bunfs/root/src/entrypoints/cli.js:2734:7319)\n    at async n37 (/$bunfs/root/src/entrypoints/cli.js:2734:8083)\n    at async s37 (/$bunfs/root/src/entrypoints/cli.js:2734:15177)\n    at async Y$5 (/$bunfs/root/src/entrypoints/cli.js:2734:18044)\n    at async t37 (/$bunfs/root/src/entrypoints/cli.js:2736:322)\n    at async <anonymous> (/$bunfs/root/src/entrypoints/cli.js:8885:6077)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-24T21:06:01.638Z"},{"error":"AxiosError: Request failed with status code 404\n    at zl (/$bunfs/root/src/entrypoints/cli.js:114:1194)\n    at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:119:12696)\n    at emit (node:events:92:22)\n    at endReadableNT (internal:streams/readable:865:50)\n    at processTicksAndRejections (native:7:39)\n    at request (/$bunfs/root/src/entrypoints/cli.js:121:2467)\n    at async H$5 (/$bunfs/root/src/entrypoints/cli.js:2734:7004)\n    at async n37 (/$bunfs/root/src/entrypoints/cli.js:2734:8083)\n    at async s37 (/$bunfs/root/src/entrypoints/cli.js:2734:15177)\n    at async Y$5 (/$bunfs/root/src/entrypoints/cli.js:2734:18044)\n    at async t37 (/$bunfs/root/src/entrypoints/cli.js:2736:322)\n    at async <anonymous> (/$bunfs/root/src/entrypoints/cli.js:8885:6077)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-24T21:06:01.638Z"},{"error":"Error: Failed to fetch manifest from https://downloads.claude.ai/claude-code-releases/2.1.120/manifest.json: Request failed with status code 404\n    at H$5 (/$bunfs/root/src/entrypoints/cli.js:2734:7319)\n    at async n37 (/$bunfs/root/src/entrypoints/cli.js:2734:8083)\n    at async s37 (/$bunfs/root/src/entrypoints/cli.js:2734:15177)\n    at async Y$5 (/$bunfs/root/src/entrypoints/cli.js:2734:18044)\n    at async t37 (/$bunfs/root/src/entrypoints/cli.js:2736:322)\n    at async <anonymous> (/$bunfs/root/src/entrypoints/cli.js:8885:6077)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-24T21:06:05.439Z"},{"error":"AxiosError: Request failed with status code 404\n    at zl (/$bunfs/root/src/entrypoints/cli.js:114:1194)\n    at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:119:12696)\n    at emit (node:events:92:22)\n    at endReadableNT (internal:streams/readable:865:50)\n    at processTicksAndRejections (native:7:39)\n    at request (/$bunfs/root/src/entrypoints/cli.js:121:2467)\n    at async H$5 (/$b…
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Bug Description model gets stuck thinking for several mins on simple tasks like "commit everything" and then it dramatically uses up usage like 10-20% of a 5x max plan and in Claude desktop app i see the model select showing <synthetic>

Environment Info

  • Platform: darwin
  • Terminal: iTerm.app
  • Version: 2.1.119
  • Feedback ID: c10bea45-9d98-4e2f-9e92-6383317bcf36

Errors

[{"error":"Error: NON-FATAL: Lock acquisition failed for /Users/spencerchang/.local/share/claude/versions/2.1.119 (expected in multi-process scenarios)\n    at mH6 (/$bunfs/root/src/entrypoints/cli.js:2736:2177)\n    at E$8 (/$bunfs/root/src/entrypoints/cli.js:2736:1257)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-24T21:05:56.089Z"},{"error":"Error: Failed to fetch manifest from https://downloads.claude.ai/claude-code-releases/2.1.120/manifest.json: Request failed with status code 404\n    at H$5 (/$bunfs/root/src/entrypoints/cli.js:2734:7319)\n    at async n37 (/$bunfs/root/src/entrypoints/cli.js:2734:8083)\n    at async s37 (/$bunfs/root/src/entrypoints/cli.js:2734:15177)\n    at async Y$5 (/$bunfs/root/src/entrypoints/cli.js:2734:18044)\n    at async t37 (/$bunfs/root/src/entrypoints/cli.js:2736:322)\n    at async <anonymous> (/$bunfs/root/src/entrypoints/cli.js:8885:6077)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-24T21:05:56.764Z"},{"error":"AxiosError: Request failed with status code 404\n    at zl (/$bunfs/root/src/entrypoints/cli.js:114:1194)\n    at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:119:12696)\n    at emit (node:events:92:22)\n    at endReadableNT (internal:streams/readable:865:50)\n    at processTicksAndRejections (native:7:39)\n    at request (/$bunfs/root/src/entrypoints/cli.js:121:2467)\n    at async H$5 (/$bunfs/root/src/entrypoints/cli.js:2734:7004)\n    at async n37 (/$bunfs/root/src/entrypoints/cli.js:2734:8083)\n    at async s37 (/$bunfs/root/src/entrypoints/cli.js:2734:15177)\n    at async Y$5 (/$bunfs/root/src/entrypoints/cli.js:2734:18044)\n    at async t37 (/$bunfs/root/src/entrypoints/cli.js:2736:322)\n    at async <anonymous> (/$bunfs/root/src/entrypoints/cli.js:8885:6077)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-24T21:05:56.764Z"},{"error":"Error: Failed to fetch manifest from https://downloads.claude.ai/claude-code-releases/2.1.120/manifest.json: Request failed with status code 404\n    at H$5 (/$bunfs/root/src/entrypoints/cli.js:2734:7319)\n    at async n37 (/$bunfs/root/src/entrypoints/cli.js:2734:8083)\n    at async s37 (/$bunfs/root/src/entrypoints/cli.js:2734:15177)\n    at async Y$5 (/$bunfs/root/src/entrypoints/cli.js:2734:18044)\n    at async t37 (/$bunfs/root/src/entrypoints/cli.js:2736:322)\n    at async <anonymous> (/$bunfs/root/src/entrypoints/cli.js:8885:6077)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-24T21:06:01.638Z"},{"error":"AxiosError: Request failed with status code 404\n    at zl (/$bunfs/root/src/entrypoints/cli.js:114:1194)\n    at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:119:12696)\n    at emit (node:events:92:22)\n    at endReadableNT (internal:streams/readable:865:50)\n    at processTicksAndRejections (native:7:39)\n    at request (/$bunfs/root/src/entrypoints/cli.js:121:2467)\n    at async H$5 (/$bunfs/root/src/entrypoints/cli.js:2734:7004)\n    at async n37 (/$bunfs/root/src/entrypoints/cli.js:2734:8083)\n    at async s37 (/$bunfs/root/src/entrypoints/cli.js:2734:15177)\n    at async Y$5 (/$bunfs/root/src/entrypoints/cli.js:2734:18044)\n    at async t37 (/$bunfs/root/src/entrypoints/cli.js:2736:322)\n    at async <anonymous> (/$bunfs/root/src/entrypoints/cli.js:8885:6077)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-24T21:06:01.638Z"},{"error":"Error: Failed to fetch manifest from https://downloads.claude.ai/claude-code-releases/2.1.120/manifest.json: Request failed with status code 404\n    at H$5 (/$bunfs/root/src/entrypoints/cli.js:2734:7319)\n    at async n37 (/$bunfs/root/src/entrypoints/cli.js:2734:8083)\n    at async s37 (/$bunfs/root/src/entrypoints/cli.js:2734:15177)\n    at async Y$5 (/$bunfs/root/src/entrypoints/cli.js:2734:18044)\n    at async t37 (/$bunfs/root/src/entrypoints/cli.js:2736:322)\n    at async <anonymous> (/$bunfs/root/src/entrypoints/cli.js:8885:6077)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-24T21:06:05.439Z"},{"error":"AxiosError: Request failed with status code 404\n    at zl (/$bunfs/root/src/entrypoints/cli.js:114:1194)\n    at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:119:12696)\n    at emit (node:events:92:22)\n    at endReadableNT (internal:streams/readable:865:50)\n    at processTicksAndRejections (native:7:39)\n    at request (/$bunfs/root/src/entrypoints/cli.js:121:2467)\n    at async H$5 (/$b…

Note: Content was truncated.

extent analysis

TL;DR

The issue might be related to a failed update or manifest fetch, causing the model to get stuck and consume excessive resources, and applying a workaround such as checking the version and update process could help mitigate the issue.

Guidance

  • Check the version of the Claude model and ensure it is up-to-date, as the errors suggest a failed update to version 2.1.120.
  • Verify the manifest fetch URL https://downloads.claude.ai/claude-code-releases/2.1.120/manifest.json is correct and accessible.
  • Consider clearing any cache or temporary files that might be causing the update or manifest fetch to fail.
  • If the issue persists, try restarting the application or checking for any conflicts with other processes.

Example

No specific code snippet can be provided without more context, but checking the version and update process can be done through the application's settings or command line interface.

Notes

The provided error logs are truncated, which might limit the ability to identify the root cause. Additionally, the issue might be related to a temporary server-side problem or a specific configuration on the user's machine.

Recommendation

Apply a workaround by checking the version and update process, as the error logs suggest a failed update or manifest fetch. This might help mitigate the issue until a more permanent fix is available.

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claude-code - 💡(How to fix) Fix [Bug] Model hangs on simple tasks with excessive token consumption [3 comments, 4 participants]