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rsc opened this issue Sep 23, 2011 · 8 comments
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runtime: regexdna fails on 8g on large input #2292

rsc opened this issue Sep 23, 2011 · 8 comments
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@rsc
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rsc commented Sep 23, 2011 

regexdna is failing on 8g on a big test case.
I haven't looked into it.

---------- Forwarded message ----------
From: Alex Brainman <alex.brainman@eventree.com>
Date: Wed, Sep 21, 2011 at 19:50
Subject: regexdna failed
To: Russ Cox <rsc@golang.org>


Russ,

Perhaps, you care to know that this test

http://goo.gl/cfQ8j

is failing

>>>
runtime: memory allocated by OS not in usable range
runtime: out of memory: cannot allocate 105054208-byte block (435617792 in use)
throw: out of memory
<<<
@rsc
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rsc commented Sep 23, 2011

Comment 1:

The 386 memory reservation is used up, and the code
hopes that the next allocation will be near the first one
for the address manipulation tables, but it is near the 
top of memory instead.
Linux is just screwing with us.

@rsc
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rsc commented Dec 9, 2011

Comment 2:

Labels changed: added priority-later, removed priority-medium.

@rsc
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rsc commented Sep 12, 2012

Comment 5:

Labels changed: added go1.1maybe.

@rsc
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rsc commented Mar 12, 2013

Comment 6:

[The time for maybe has passed.]

Labels changed: removed go1.1maybe.

@rsc
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rsc commented Jul 30, 2013

Comment 7:

Labels changed: added priority-someday, removed priority-later.

@rsc
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rsc commented Dec 4, 2013

Comment 8:

Labels changed: added repo-main.

@rsc
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rsc commented Mar 3, 2014

Comment 9:

Adding Release=None to all Priority=Someday bugs.

Labels changed: added release-none.

@ianlancetaylor
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Comment 10:

As far as I can tell, this is working today.

Status changed to Fixed.

@rsc rsc added fixed labels Mar 26, 2014
@rsc rsc self-assigned this Mar 26, 2014
@golang golang locked and limited conversation to collaborators Jun 24, 2016
@rsc rsc removed their assignment Jun 22, 2022
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