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[bug #21376] Random Segmentation fault when run with -j n
From: |
Shahzad Muzaffar |
Subject: |
[bug #21376] Random Segmentation fault when run with -j n |
Date: |
Sat, 20 Oct 2007 08:20:52 +0000 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.2) Gecko/20040805 Netscape/7.2 |
URL:
<http://savannah.gnu.org/bugs/?21376>
Summary: Random Segmentation fault when run with -j n
Project: make
Submitted by: muzaffar
Submitted on: Saturday 10/20/2007 at 08:20
Severity: 3 - Normal
Item Group: Bug
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Discussion Lock: Any
Component Version: 3.80
Operating System: POSIX-Based
Fixed Release: None
_______________________________________________________
Details:
Hello,
I have this Makefile (attached) and when I run it with -j 8 then I get
random segmentation faults(not always on same point). Running it without -j
option works fine and I do not get segmentation faults all the time (it just
random). My guess is that as I calculate values for some variable only on fly
so may be when run with -j option, two threads try to calculate/access the
same variable and that causes a crash. If I force the calculation of those
variables before any rule to run then it works fine. So may be there is some
variable locking problem.
Cheers,
--Shahzad
_______________________________________________________
File Attachments:
-------------------------------------------------------
Date: Saturday 10/20/2007 at 08:20 Name: Makefile Size: 5kB By: muzaffar
<http://savannah.gnu.org/bugs/download.php?file_id=14171>
_______________________________________________________
Reply to this item at:
<http://savannah.gnu.org/bugs/?21376>
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- [bug #21376] Random Segmentation fault when run with -j n,
Shahzad Muzaffar <=