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Bug ID: 6566474 PS: In the UseParallelGC collector the minimum gen0 size can exceed the maximum gen0 size.
6566474 : PS: In the UseParallelGC collector the minimum gen0 size can exceed the maximum gen0 size.

Details
Type:
Bug
Submit Date:
2007-06-06
Status:
Resolved
Updated Date:
2012-03-26
Project Name:
JDK
Resolved Date:
2007-06-20
Component:
hotspot
OS:
linux_ubuntu,generic,solaris_10,windows_xp
Sub-Component:
gc
CPU:
x86,sparc,generic
Priority:
P3
Resolution:
Fixed
Affected Versions:
7
Fixed Versions:
hs10

Related Reports
Backport:
JDK-2171980 - PS: In the UseParallelGC collector the minimum gen0 size can exceed the maximum gen0 size.
Backport:
JDK-2176966 - PS: In the UseParallelGC collector the minimum gen0 size can exceed the maximum gen0 size.
Relates:
JDK-6524727 - GC ergonomics does not honor the minimum young gen size implied by a -Xms and NewRatio
Relates:
JDK-6527727 - Sizing parameters: Sole starting/minimum spec should bound default choice of maximum from below

Sub Tasks

Description
Internal Error at adjoiningGenerations.cpp:48, pid=10612, tid=2
Error: assert(min_high_byte_size <= init_high_byte_size && init_high_byte_size <= max_high_byte_size,"Parameter check")

The bug was introduced in b13 with the fix for 6524727.

Comments
SUGGESTED FIX

http://prt-web.sfbay.sun.com/net/prt-archiver.sfbay/data/archived_workspaces/main/gc_baseline/2007/20070608185726.jmasa.gc_baseline_6566474/workspace/webrevs/webrev-2007.06.08/index.html
2007-06-15 
EVALUATION

When the minimum size for gen0 is calculated from NewRatio,
the resulting value needs to be checked against MaxNewSize.
2007-06-06


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