Index access may fail when bmi2 instructions are not supported
Details
| Detail name | Value |
|---|---|
| Changelog Number | 21631 |
| Type | Bug |
| Status | Resolved |
| Affected Versions | Exasol 8.0.0 |
| Fix Versions | Exasol 2025.1.5 |
| Resolution Date | 2025-12-05 |
Description
Sessions may fail with “Internal Server Error” while accessing indices on machines with legacy hardware (having CPUs which do not support bmi2 instructions).
Workaround
Recreate the affected index. To find out which index to recreate, please provide Exasol Support with the session log and coredumps for the respective day (see EXAsupport).
Fix
The index access works on machines without bmi2.
