Issue Description Running stalwart-migrate run on Ubuntu 24.04, arm64 results in segfault. Expected Behavior No segfault! Actual Behavior Segfault! Reproduction Steps Just follow the regular migration - prepare, then run. Relevant Log Output Offsets Frame Address in core vaddr (for symbols) …

Thanks for the core dumps, @rcfa and @mzhaase . With the crash addresses we could match the faulting instruction in the 1.0.1 binary, and from there it wasn’t hard to find. It’s a bug in RocksDB’s write queue that only our aarch64 builds expose. In early October we upgraded the toolchain the arm64 b…

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Same crash here: stalwart-migrate 1.0.1 (standard build), aarch64, Debian-based (glibc 2.43), Oracle Cloud Ampere A1 with 4 vCPUs and 23 GiB RAM. The source was Stalwart 0.16.27 on RocksDB, running during the run, with a file system blob store (blob_mode=Shared). The target was a new, empty RocksDB …

Tried with that workaround but still crashes for me.

for me changing those parameters does not help either.

Ok, finished it with migrate 1.0.3 and that worked fine. Thanks! I especially liked that although it crashed a couple times, the migrate tool was very robust in just picking it back up.

Stalwart-migrate 1.0.1 segfault on aarch64

Issues

enaut October 27, 2026, 12:10pm 3

Oh so we created the same issue at the same time…

Segmentation fault in stalwart-migrate

Topic		Replies	Views
Segmentation fault in stalwart-migrate Issues	5	67	October 27, 2026
Stalwart-migrate 1.0.0: Registry deserialization errors during v0.16.27 upgrade Issues	2	105	October 27, 2026
Stalwart-migrate: run --final fails verification on vCard N/ADR; 1.0.4 (the fix) was never published Issues	3	20	October 30, 2026
Stalwart-migrate 1.0.3: contactCard vCard mismatches prevent finalizing migration from 0.16.27 Issues	5	75	October 30, 2026
Stalwart-migrate 1.0.0 (0.16 → 1.0): span mismatches fail run --final verification and persist across reruns Issues	2	88	October 27, 2026

Stalwart-migrate 1.0.1 segfault on aarch64

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