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Date/Time: Sat, 29 Aug 2026 23:23:26 +0000



Post From: v2891: All chart updating silently stops mid-session (3 dumps, all threads idle)

[2026-07-16 03:30:29]
User703790 - Posts: 5
Answers:

1. Use OS Timer For Charts = Yes: yes, the freezes also occur with Yes. That was our setting through 2026-07-09; the 07-07 and 07-09 freezes happened with Yes. We changed it to No on 2026-07-10 as a single-variable test; the two 07-14 freezes and two further freezes since then all occurred with No. Same end state under both settings.

2. Two new occurrences since our first post: 2026-07-15 at 10:05:50 chart time, and overnight at ~17:41 chart time (Globex session, zero network events in the Message Log around it). Both occurred with "Minimum Delay Between Chart Updates" already raised from 1 ms to 10 ms before that session, so that mitigation did not prevent it. Both dumps were auto-captured. We also captured a dump of a related after-state: once frozen, if the monitor sleeps and wakes, the chart region repaints fully black; tab switching and minimize/restore do not recover it.

3. We are scheduling the update to the current version (our ACSIL studies must be recompiled for the 2895/2897/2911 type changes) and will report whether it reproduces there.

4. Reload and Recalculate at the moment of a freeze: not yet tested; we will run it on the next occurrence and report.

How should we submit the dump files?