Re: [jira] [Closed] (STDCXX-1066) SPARCV8 requires pthread_mutex_t and pthread_cond_t to be aligned on an 8-byte boundary
2012/9/26 Liviu Nicoara nikko...@hates.ms: On 09/26/12 05:49, Pavel Heimlich, a.k.a. hajma wrote: 2012/9/26 Liviu Nicoara nikko...@hates.ms: On 9/25/12 7:56 PM, Stefan Teleman (JIRA) wrote: [ https://issues.apache.org/jira/browse/STDCXX-1066?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Anybody around here, except Stefan, who has access to a SPARC V8 machine updated to the specified kernel update or later, and who is willing to run a simple test program? It's a 5 minute job at most. Please point me to the test program. Hi Pavel, I attached it. IIRC Solaris had both Solaris threads API and a POSIX threads API on top of it. Could you please give it a run with MUTEX defined to both mutex_t and pthread_mutex_t? Might need to tweak the includes. Here it is, the define seems to make no difference. BTW I'm not sure about the bug description, was Solaris 10 ever supported on a sparcv8? I ran it on the crappiest machine I could find, but all that is sparcv9. Sun Blade 1000 - UltraSPARC-III+(sparcv9), running Solaris 10u9 bash-3.00# /opt/SUNWspro/bin/CC a.cpp bash-3.00# ./a.out 24 ffbffcd8 ffbffcf0 ffbffd08 ffbffd20 ffbffd38 ffbffd50 ffbffd68 ffbffd80 ffbffbe0 ffbffc00 ffbffc20 ffbffc40 ffbffc60 ffbffc80 ffbffca0 ffbffcc0 bash-3.00# /opt/SUNWspro/bin/CC -xarch=v8 ./a.cpp bash-3.00# ./a.out 24 ffbffcd8 ffbffcf0 ffbffd08 ffbffd20 ffbffd38 ffbffd50 ffbffd68 ffbffd80 ffbffbe0 ffbffc00 ffbffc20 ffbffc40 ffbffc60 ffbffc80 ffbffca0 ffbffcc0 bash-3.00# vi a.cpp (--- pthread_mutex_t) bash-3.00# /opt/SUNWspro/bin/CC a.cpp bash-3.00# ./a.out 24 ffbffcd8 ffbffcf0 ffbffd08 ffbffd20 ffbffd38 ffbffd50 ffbffd68 ffbffd80 ffbffbe0 ffbffc00 ffbffc20 ffbffc40 ffbffc60 ffbffc80 ffbffca0 ffbffcc0 bash-3.00# /opt/SUNWspro/bin/CC -xarch=v8 ./a.cpp bash-3.00# ./a.out 24 ffbffcd8 ffbffcf0 ffbffd08 ffbffd20 ffbffd38 ffbffd50 ffbffd68 ffbffd80 ffbffbe0 ffbffc00 ffbffc20 ffbffc40 ffbffc60 ffbffc80 ffbffca0 ffbffcc0 HTH P. Thanks a bunch! Liviu
Re: [jira] [Closed] (STDCXX-1066) SPARCV8 requires pthread_mutex_t and pthread_cond_t to be aligned on an 8-byte boundary
On 09/27/12 07:15, Pavel Heimlich, a.k.a. hajma wrote: 2012/9/26 Liviu Nicoara nikko...@hates.ms: On 09/26/12 05:49, Pavel Heimlich, a.k.a. hajma wrote: 2012/9/26 Liviu Nicoara nikko...@hates.ms: On 9/25/12 7:56 PM, Stefan Teleman (JIRA) wrote: [ https://issues.apache.org/jira/browse/STDCXX-1066?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Anybody around here, except Stefan, who has access to a SPARC V8 machine updated to the specified kernel update or later, and who is willing to run a simple test program? It's a 5 minute job at most. Please point me to the test program. Hi Pavel, I attached it. IIRC Solaris had both Solaris threads API and a POSIX threads API on top of it. Could you please give it a run with MUTEX defined to both mutex_t and pthread_mutex_t? Might need to tweak the includes. Here it is, the define seems to make no difference. BTW I'm not sure about the bug description, was Solaris 10 ever supported on a sparcv8? I ran it on the crappiest machine I could find, but all that is sparcv9. Sun Blade 1000 - UltraSPARC-III+(sparcv9), running Solaris 10u9 bash-3.00# /opt/SUNWspro/bin/CC a.cpp bash-3.00# ./a.out 24 ffbffcd8 ffbffcf0 ffbffd08 ffbffd20 ffbffd38 ffbffd50 ffbffd68 ffbffd80 ffbffbe0 ffbffc00 ffbffc20 ffbffc40 ffbffc60 ffbffc80 ffbffca0 ffbffcc0 bash-3.00# /opt/SUNWspro/bin/CC -xarch=v8 ./a.cpp bash-3.00# ./a.out 24 ffbffcd8 ffbffcf0 ffbffd08 ffbffd20 ffbffd38 ffbffd50 ffbffd68 ffbffd80 ffbffbe0 ffbffc00 ffbffc20 ffbffc40 ffbffc60 ffbffc80 ffbffca0 ffbffcc0 bash-3.00# vi a.cpp (--- pthread_mutex_t) bash-3.00# /opt/SUNWspro/bin/CC a.cpp bash-3.00# ./a.out 24 ffbffcd8 ffbffcf0 ffbffd08 ffbffd20 ffbffd38 ffbffd50 ffbffd68 ffbffd80 ffbffbe0 ffbffc00 ffbffc20 ffbffc40 ffbffc60 ffbffc80 ffbffca0 ffbffcc0 bash-3.00# /opt/SUNWspro/bin/CC -xarch=v8 ./a.cpp bash-3.00# ./a.out 24 ffbffcd8 ffbffcf0 ffbffd08 ffbffd20 ffbffd38 ffbffd50 ffbffd68 ffbffd80 ffbffbe0 ffbffc00 ffbffc20 ffbffc40 ffbffc60 ffbffc80 ffbffca0 ffbffcc0 HTH Very much appreciated. Liviu
Re: [jira] [Closed] (STDCXX-1066) SPARCV8 requires pthread_mutex_t and pthread_cond_t to be aligned on an 8-byte boundary
2012/9/26 Liviu Nicoara nikko...@hates.ms: On 9/25/12 7:56 PM, Stefan Teleman (JIRA) wrote: [ https://issues.apache.org/jira/browse/STDCXX-1066?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Anybody around here, except Stefan, who has access to a SPARC V8 machine updated to the specified kernel update or later, and who is willing to run a simple test program? It's a 5 minute job at most. Please point me to the test program. P. Thanks! Stefan Teleman closed STDCXX-1066. -- Resolution: Won't Fix Bug will not be fixed upstream. It is fixed in the Solaris releases. SPARCV8 requires pthread_mutex_t and pthread_cond_t to be aligned on an 8-byte boundary --- Key: STDCXX-1066 URL: https://issues.apache.org/jira/browse/STDCXX-1066 Project: C++ Standard Library Issue Type: Bug Components: Thread Safety Affects Versions: 4.2.1, 4.2.2, 4.2.x, 4.3.x Environment: Solaris 10 Update 6 or later on SPARCV8 [32-bit] Defect is compiler-independent - in reality it only affects Sun Studio and GCC. Reporter: Stefan Teleman Labels: features, runtime, threads Fix For: 4.2.2, 4.2.x, 4.3.x Attachments: _config-gcc.h.stdcxx-1066.patch, _config-sunpro.h.stdcxx-1066.patch, ctype.cpp.stdcxx-1066.patch, exception.cpp.stdcxx-1066.patch, ios.cpp.stdcxx-1066.patch, iostream.cpp.stdcxx-1066.patch, iostream.stdcxx-1066.patch, locale_body.cpp.stdcxx-1066.patch, locale_classic.cpp.stdcxx-1066.patch, messages.cpp.stdcxx-1066.patch, _mutex.h.stdcxx-1066.patch, time_put.cpp.stdcxx-1066.patch, use_facet.h.stdcxx-1066.patch Starting with Solaris 10 Update 6, on SPARCV8, pthread_mutex_t and pthread_cond_t MUST be aligned on an 8-byte boundary. Misaligned access will result in either SEGV or SIGBUS. There are numerous places in the multi-threaded version of stdcxx where pthread_mutex_t and/or pthread_cond_t types are contained within an union, but with an enforced alignment different than 8. All these instances must be corrected, and #ifdef-guarded for SPARCV8. Patches to follow shortly, this is just opening the issue. Warning: the patchset resolving this issue is very large, and it affects a large number of files. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
Re: [jira] [Closed] (STDCXX-1066) SPARCV8 requires pthread_mutex_t and pthread_cond_t to be aligned on an 8-byte boundary
On 9/25/12 7:56 PM, Stefan Teleman (JIRA) wrote: [ https://issues.apache.org/jira/browse/STDCXX-1066?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Anybody around here, except Stefan, who has access to a SPARC V8 machine updated to the specified kernel update or later, and who is willing to run a simple test program? It's a 5 minute job at most. Thanks! Stefan Teleman closed STDCXX-1066. -- Resolution: Won't Fix Bug will not be fixed upstream. It is fixed in the Solaris releases. SPARCV8 requires pthread_mutex_t and pthread_cond_t to be aligned on an 8-byte boundary --- Key: STDCXX-1066 URL: https://issues.apache.org/jira/browse/STDCXX-1066 Project: C++ Standard Library Issue Type: Bug Components: Thread Safety Affects Versions: 4.2.1, 4.2.2, 4.2.x, 4.3.x Environment: Solaris 10 Update 6 or later on SPARCV8 [32-bit] Defect is compiler-independent - in reality it only affects Sun Studio and GCC. Reporter: Stefan Teleman Labels: features, runtime, threads Fix For: 4.2.2, 4.2.x, 4.3.x Attachments: _config-gcc.h.stdcxx-1066.patch, _config-sunpro.h.stdcxx-1066.patch, ctype.cpp.stdcxx-1066.patch, exception.cpp.stdcxx-1066.patch, ios.cpp.stdcxx-1066.patch, iostream.cpp.stdcxx-1066.patch, iostream.stdcxx-1066.patch, locale_body.cpp.stdcxx-1066.patch, locale_classic.cpp.stdcxx-1066.patch, messages.cpp.stdcxx-1066.patch, _mutex.h.stdcxx-1066.patch, time_put.cpp.stdcxx-1066.patch, use_facet.h.stdcxx-1066.patch Starting with Solaris 10 Update 6, on SPARCV8, pthread_mutex_t and pthread_cond_t MUST be aligned on an 8-byte boundary. Misaligned access will result in either SEGV or SIGBUS. There are numerous places in the multi-threaded version of stdcxx where pthread_mutex_t and/or pthread_cond_t types are contained within an union, but with an enforced alignment different than 8. All these instances must be corrected, and #ifdef-guarded for SPARCV8. Patches to follow shortly, this is just opening the issue. Warning: the patchset resolving this issue is very large, and it affects a large number of files. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
Re: [jira] [Closed] (STDCXX-1066) SPARCV8 requires pthread_mutex_t and pthread_cond_t to be aligned on an 8-byte boundary
I asked around and we don't have one available at this time. Travis Liviu Nicoara wrote: On 9/25/12 7:56 PM, Stefan Teleman (JIRA) wrote: [ https://issues.apache.org/jira/browse/STDCXX-1066?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Anybody around here, except Stefan, who has access to a SPARC V8 machine updated to the specified kernel update or later, and who is willing to run a simple test program? It's a 5 minute job at most. Thanks! Stefan Teleman closed STDCXX-1066. -- Resolution: Won't Fix Bug will not be fixed upstream. It is fixed in the Solaris releases. SPARCV8 requires pthread_mutex_t and pthread_cond_t to be aligned on an 8-byte boundary --- Key: STDCXX-1066 URL: https://issues.apache.org/jira/browse/STDCXX-1066 Project: C++ Standard Library Issue Type: Bug Components: Thread Safety Affects Versions: 4.2.1, 4.2.2, 4.2.x, 4.3.x Environment: Solaris 10 Update 6 or later on SPARCV8 [32-bit] Defect is compiler-independent - in reality it only affects Sun Studio and GCC. Reporter: Stefan Teleman Labels: features, runtime, threads Fix For: 4.2.2, 4.2.x, 4.3.x Attachments: _config-gcc.h.stdcxx-1066.patch, _config-sunpro.h.stdcxx-1066.patch, ctype.cpp.stdcxx-1066.patch, exception.cpp.stdcxx-1066.patch, ios.cpp.stdcxx-1066.patch, iostream.cpp.stdcxx-1066.patch, iostream.stdcxx-1066.patch, locale_body.cpp.stdcxx-1066.patch, locale_classic.cpp.stdcxx-1066.patch, messages.cpp.stdcxx-1066.patch, _mutex.h.stdcxx-1066.patch, time_put.cpp.stdcxx-1066.patch, use_facet.h.stdcxx-1066.patch Starting with Solaris 10 Update 6, on SPARCV8, pthread_mutex_t and pthread_cond_t MUST be aligned on an 8-byte boundary. Misaligned access will result in either SEGV or SIGBUS. There are numerous places in the multi-threaded version of stdcxx where pthread_mutex_t and/or pthread_cond_t types are contained within an union, but with an enforced alignment different than 8. All these instances must be corrected, and #ifdef-guarded for SPARCV8. Patches to follow shortly, this is just opening the issue. Warning: the patchset resolving this issue is very large, and it affects a large number of files. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira
