Bug 6761 - Users cannot be in more than 32 groups
Summary: Users cannot be in more than 32 groups
Status: CLOSED WONTFIX
Alias: None
Product: Red Hat Linux
Classification: Retired
Component: kernel   
(Show other bugs)
Version: 6.1
Hardware: i386
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Bill Nottingham
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TreeView+ depends on / blocked
 
Reported: 1999-11-05 15:25 UTC by akonstam
Modified: 2014-03-17 02:11 UTC (History)
1 user (show)

Fixed In Version:
Doc Type: Bug Fix
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Last Closed: 1999-11-05 19:56:12 UTC
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Description akonstam 1999-11-05 15:25:35 UTC 
I am not sure if this is a bug or a feature but it looks
like in RH 6.x no user can be in more than 32 groups. If
they are put into more than 32 groups they will no longer be
able to logon to the machine. The groups capmmand will
report only 32 groups for the user.
Comment 1 Bill Nottingham 1999-11-05 16:27:59 UTC 
It's a kernel limit. See /usr/include/asm/param.h.

You could in theory change this in the kernel, but
a large portion of userland may need to be recompiled because
of this.

The big effect of changing this is that you're changing the
size of the kernel's internal task strucutre, so each task will
take a little more kernel memory.
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