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From "Eric Lemings (JIRA)" <j...@apache.org>
Subject [jira] Commented: (STDCXX-811) [Solaris Threads] SIGSEGV in 22.locale.statics.mt.cpp
Date Wed, 02 Apr 2008 22:38:32 GMT

    [ https://issues.apache.org/jira/browse/STDCXX-811?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12584863#action_12584863
] 

Eric Lemings commented on STDCXX-811:
-------------------------------------

Here's a stack trace where the test is failing, just for the record.

{noformat}
[user@host tests]$ dbx ./22.locale.statics.mt core
For information about new features see `help changes'
To remove this message, put `dbxenv suppress_startup_message 7.6' in your .dbxrc
Reading 22.locale.statics.mt
dbx: warning: core object name "22.locale.stati" matches
object name "22.locale.statics.mt" within the limit of 14. assuming they match
core file header read successfully
Reading ld.so.1
...
Reading zh_TW.UTF-8@zhuyin.so.3
t@5 (l@5) terminated by signal SEGV (no mapping at the fault address)
0xffffffff7f60dbb8: defrag+0x0078:      ld       [%g5 + 16], %o5
Current function is std::locale::global
   56           setlocale (_RWSTD_LC_ALL, rhs.name ().c_str ());
(dbx) where
current thread: t@5
  [1] defrag(0xffffffff59200000, 0x59200160, 0xffffffff7f72cb18, 0xffffffff59200010, 0xffffffff592000e0,
0x4f383835392d3520), at 0xffffffff7f60dbb8
  [2] get_lcinterface(0xffffffff7f72c1b8, 0xffffffff7f72c370, 0xffffffff7e3fb708, 0x0, 0x2000,
0xffffffff7f627728), at 0xffffffff7f60e1b8
  [3] informrtld(0x21e0, 0x2000, 0xffffffff7e95e988, 0xffffffff7eae6000, 0x158954, 0x101010101010101),
at 0xffffffff7e98d6fc
  [4] _setlocale(0xffffffff7c9052f0, 0xffffffff7e9dbc7e, 0x6, 0xffffffff7c905230, 0x2000,
0xffffffff7eaf00b0), at 0xffffffff7e98d458
=>[5] std::locale::global(rhs = STRUCT), line 56 in "locale_global.cpp"
  [6] test_global(_ARG1 = 0xffffffff7fffe9b8), line 95 in "22.locale.statics.mt.cpp"
(dbx)
{noformat}


> [Solaris Threads] SIGSEGV in 22.locale.statics.mt.cpp
> -----------------------------------------------------
>
>                 Key: STDCXX-811
>                 URL: https://issues.apache.org/jira/browse/STDCXX-811
>             Project: C++ Standard Library
>          Issue Type: Bug
>          Components: 22. Localization
>    Affects Versions: 4.2.0
>            Reporter: Martin Sebor
>            Assignee: Eric Lemings
>            Priority: Critical
>             Fix For: 4.2.1
>
>   Original Estimate: 4h
>          Time Spent: 1h
>  Remaining Estimate: 3h
>
> Regardless of the compiler (gcc or Sun C++), when compiled with Solaris Threads instead
of POSIX threads, the [22.locale.statics.mt|http://svn.apache.org/repos/asf/stdcxx/trunk/tests/localization/22.locale.statics.mt.cpp]
fails at runtime with SIGSEGV or SIGHUP, suggesting a problem with the uses of Solaris threads
mutexes in the library.
> I'm assuming this is not a regression but we need to check the results of the test in
4.2.0 to make sure. If it is one, it would make the priority of this issue a Blocker. Otherwise,
if it's not a new problem, we might be able to defer it post 4.2.1 if it's too hard to fix.

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