[Bug] Multiple Claude Code instances freeze when running concurrently
Resolved 💬 3 comments Opened Dec 7, 2025 by alexandreafc Closed Dec 11, 2025
Bug Description
Some times when I open two or more claude code I have the impression that the old one stop work and stay in freeze state. This never happens before.
Environment Info
- Platform: darwin
- Terminal: cursor
- Version: 2.0.61
- Feedback ID: c48f8af4-e6cd-4217-8d03-5a0c90e04710
Errors
[{"error":"Error: NON-FATAL: Lock acquisition failed for /Users/alexandre/.local/share/claude/versions/2.0.61 (expected in multi-process scenarios)\n at Eh0 (/$bunfs/root/claude:2714:1622)\n at mCA (/$bunfs/root/claude:2714:1300)\n at processTicksAndRejections (native:7:39)","timestamp":"2025-12-07T20:23:19.033Z"},{"error":"TypeError: A boolean was expected\n at unknown\n at <anonymous> (/$bunfs/root/claude:835:36859)\n at new Promise (native:1:11)\n at A78 (/$bunfs/root/claude:835:36839)\n at o4R (/$bunfs/root/claude:835:80025)\n at async dTT (/$bunfs/root/claude:835:85060)\n at processTicksAndRejections (native:7:39)","timestamp":"2025-12-07T20:23:22.982Z"},{"error":"Error: NON-FATAL: Lock acquisition failed for /Users/alexandre/.local/share/claude/versions/2.0.61 (expected in multi-process scenarios)\n at Eh0 (/$bunfs/root/claude:2714:1622)\n at jCA (/$bunfs/root/claude:2712:35598)\n at async w$7 (/$bunfs/root/claude:2712:37706)\n at async iv (/$bunfs/root/claude:2714:236)\n at async <anonymous> (/$bunfs/root/claude:2714:13006)\n at processTicksAndRejections (native:7:39)","timestamp":"2025-12-07T20:23:27.019Z"},{"error":"TypeError: A boolean was expected\n at unknown\n at <anonymous> (/$bunfs/root/claude:835:36859)\n at new Promise (native:1:11)\n at A78 (/$bunfs/root/claude:835:36839)\n at o4R (/$bunfs/root/claude:835:80025)\n at async dTT (/$bunfs/root/claude:835:85060)\n at processTicksAndRejections (native:7:39)","timestamp":"2025-12-07T20:23:36.708Z"},{"error":"Error: EISDIR: illegal operation on a directory, read\n at readFileSync (unknown)\n at readFileSync (/$bunfs/root/claude:12:370)\n at piB (/$bunfs/root/claude:4490:17669)\n at call (/$bunfs/root/claude:1404:912)\n at call (/$bunfs/root/claude:1400:5711)\n at <anonymous> (/$bunfs/root/claude:1616:1513)\n at processTicksAndRejections (native:7:39)","timestamp":"2025-12-07T21:16:49.045Z"},{"error":"Error: EISDIR: illegal operation on a directory, read\n at readFileSync (unknown)\n at readFileSync (/$bunfs/root/claude:12:370)\n at piB (/$bunfs/root/claude:4490:17669)\n at call (/$bunfs/root/claude:1404:912)\n at call (/$bunfs/root/claude:1400:5711)\n at <anonymous> (/$bunfs/root/claude:1616:1513)\n at processTicksAndRejections (native:7:39)","timestamp":"2025-12-07T21:17:00.232Z"},{"error":"Error: EISDIR: illegal operation on a directory, read\n at readFileSync (unknown)\n at readFileSync (/$bunfs/root/claude:12:370)\n at piB (/$bunfs/root/claude:4490:17669)\n at call (/$bunfs/root/claude:1404:912)\n at call (/$bunfs/root/claude:1400:5711)\n at <anonymous> (/$bunfs/root/claude:1616:1513)\n at processTicksAndRejections (native:7:39)","timestamp":"2025-12-07T21:39:39.698Z"},{"error":"Error: EISDIR: illegal operation on a directory, read\n at readFileSync (unknown)\n at readFileSync (/$bunfs/root/claude:12:370)\n at piB (/$bunfs/root/claude:4490:17669)\n at call (/$bunfs/root/claude:1404:912)\n at call (/$bunfs/root/claude:1400:5711)\n at <anonymous> (/$bunfs/root/claude:1616:1513)\n at processTicksAndRejections (native:7:39)","timestamp":"2025-12-07T21:39:55.586Z"},{"error":"TypeError: A boolean was expected\n at unknown\n at <anonymous> (/$bunfs/root/claude:835:36859)\n at new Promise (native:1:11)\n at A78 (/$bunfs/root/claude:835:36839)\n at o4R (/$bunfs/root/claude:835:80025)\n at async dTT (/$bunfs/root/claude:835:85060)\n at processTicksAndRejections (native:7:39)","timestamp":"2025-12-07T21:43:08.728Z"},{"error":"Error: EISDIR: illegal operation on a directory, read\n at readFileSync (unknown)\n at readFileSync (/$bunfs/root/claude:12:370)\n at piB (/$bunfs/root/claude:4490:17669)\n at call (/$bunfs/root/claude:1404:912)\n at call (/$bunfs/root/claude:1400:5711)\n at <anonymous> (/$bunfs/root/claude:1616:1513)\n at processTicksAndRejections (native:7:39)","timestamp":"2025-12-07T21:43:42.452Z"},{"error":"Error: EISDIR: illegal operation on a directory, read\n at readFileSync (unknown)\n at readFileSync (/$bunfs/root/claude:12:370)\n at piB (/$bunfs/root/claude:4490:17669)\n at call (/$bunfs/root/claude:1404:912)\n at call (/$bunfs/root/claude:1400:5711)\n at <anonymous> (/$b
Note: Error logs were truncated.
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