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[Bug 1001724] New: Thread stack overrun when high interrupt rate
- From: bugzilla-daemon at bugs dot ecos dot sourceware dot org
- To: unassigned at bugs dot ecos dot sourceware dot org
- Date: Mon, 7 Jan 2013 18:21:09 +0000
- Subject: [Bug 1001724] New: Thread stack overrun when high interrupt rate
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Summary: Thread stack overrun when high interrupt rate
Product: eCos
Version: 3.0
Platform: All
OS/Version: Cortex-M
Status: UNCONFIRMED
Severity: major
Priority: low
Component: HAL
AssignedTo: unassigned@bugs.ecos.sourceware.org
ReportedBy: ml@tctechnologies.tc
CC: ecos-bugs@ecos.sourceware.org
Class: Advice Request
Created an attachment (id=2024)
--> (http://bugs.ecos.sourceware.org/attachment.cgi?id=2024)
Description of bug and potential fix.
Interrupts can result in excessive (unbound) thread stack usage.
In certain cases an unbounded amount of stack is required for the threads to
handle DSR processing. That is not feasible and must be fixed.
The problem is described in the attached document.
We do have a patch fixing this which has been tested. It does solve the problem
with no side effects found so far.
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