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sunday project, gdb, 2003-07-13
- From: Michael Elizabeth Chastain <mec at shout dot net>
- To: gcc-testresults at gcc dot gnu dot org, gdb-testers at sources dot redhat dot com
- Date: Mon, 14 Jul 2003 17:59:30 -0400
- Subject: sunday project, gdb, 2003-07-13
Highlights of this report
. As of 2003-07-12, gcc-3_3-branch has no debug info regressions versus
gcc 3.3, on native i686-pc-linux-gnu with -gdwarf-2 and -stabs+.
. No regressions or improvements anywhere since last report.
Michael C
. Old Bugs Fixed
None.
. New Bugs Detected
None.
. PR Count
Query executed 2003-07-14T21:49:49Z
1283 matches found
17 analyzed
579 closed
21 feedback
652 open
3 paperwork
11 suspended
1283 TOTAL
. Libiberty Testing
. target=native, host=i686-pc-linux-gnu, osversion=red-hat-8.0, libc=2.2.93-5-rh
binutils binutils-2_14-branch 649 tests, 0 failures
binutils HEAD 714 tests, 31 failures
gcc 2.95.3, binutils binutils-2_14-branch All 616 tests passed
gcc 2.95.3, binutils HEAD All 616 tests passed
gcc 3.3, binutils binutils-2_14-branch 649 tests, 0 failures
gcc 3.3, binutils HEAD 649 tests, 0 failures
gcc gcc-3_3-branch, binutils 2.14 649 tests, 0 failures
gcc gcc-3_3-branch, binutils binutils-2_14-branch 649 tests, 0 failures
gcc gcc-3_3-branch, binutils HEAD 649 tests, 0 failures
gcc gcc-3_3-branch, binutils vendor 649 tests, 0 failures
gcc HEAD, binutils 2.14 714 tests, 31 failures
gcc HEAD, binutils binutils-2_14-branch 714 tests, 31 failures
gcc HEAD, binutils HEAD 714 tests, 31 failures
gcc HEAD, binutils vendor 714 tests, 31 failures
gdb carlton_dictionary-branch 714 tests, 31 failures
gdb gdb_6_0-branch 649 tests, 0 failures
gdb HEAD 714 tests, 31 failures
These are long-standing demangler bugs.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=7986
Problems with demangling (__cxa_demangle())
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11028
The standalone C++ demangler doesn't work on some symbols
A libiberty log is available at
http://gcc.gnu.org/ml/gcc/2003-07/msg00032.html
. Gdb Testing
My tables are at
http://www.shout.net/~mec/sunday/2003-07-13/index.html
The previous report is
http://www.shout.net/~mec/sunday/2003-07-03/Analysis.txt
. Non-PASS Results
gdb 5.3: 0 test aborts, 343 non-PASS results
gdb gdb_6_0-branch: 0 test aborts, 300 non-PASS results
gdb HEAD: 0 test aborts, 301 non-PASS results
. 5.3
. gdb.c++/annota2.exp: annotate-quit
http://sources.redhat.com/gdb/bugs/544
gdb.c++/annota2.exp: annotate-quit test sometimes fails
Fluctuation in test result probably due to a signal handling
race in the command loop.
. gdb.threads/killed.exp: GDB exits after multi-threaded program exits messily
http://sources.redhat.com/gdb/bugs/568
GDB confused by messily-exiting multi-threaded programs
Jim B thinks that this test may depend on a race condition:
http://sources.redhat.com/ml/gdb-testers/2002-q4/msg00010.html
. gdb.threads/schedlock.exp: *
This test script is useless in this release because of a
signed-versus-unsigned bug.
Daniel J has an obvious fix, which has been applied to gdb HEAD:
http://sources.redhat.com/ml/gdb-patches/2002-10/msg00454.html
. gdb.trace/actions.exp: *
In the last report, something freaky happened in one configuration:
gdb 5.3, gcc gcc-3_3-branch, binutils vendor, -gstabs+
This week was normal.
. gdb_6_0-branch
checkout date is '2003-07-13 22:45:07 UTC'
previous date is '2003-07-08 12:57:04 UTC'
. gdb.mi/mi-pthreads.exp: check mi_thread_command_set: -thread-select 3
gdb.mi/mi-pthreads.exp: check mi_thread_command_set: -thread-select 4
gdb.mi/mi-pthreads.exp: check mi_thread_command_set: -thread-select 5
gdb.mi/mi-pthreads.exp: check mi_thread_command_set: -thread-select 6
gdb.mi/mi1-pthreads.exp: check mi_thread_command_set: -thread-select 4
gdb.mi/mi1-pthreads.exp: check mi_thread_command_set: -thread-select 5
gdb.mi/mi1-pthreads.exp: check mi_thread_command_set: -thread-select 6
PASS -> null
null -> PASS
Fluctuation with unknown cause. Probably harmless.
. gdb.threads/linux-dp.exp: philosopher is distinct: 3
gdb.threads/linux-dp.exp: philosopher is distinct: 6
gdb.threads/linux-dp.exp: philosopher is distinct: 7
PASS -> FAIL
FAIL -> PASS
These tests are sensitive to a backtrace bug in gdb. If a
thread is waiting on 'select', then gdb prints a deficient
backtrace, and the test FAILs.
http://sources.redhat.com/gdb/bugs/1255
[regression] bad backtrace for libc function 'sleep'
. gdb.threads/print-threads.exp: Hit kill breakpoint, 11 (slow with kill breakpoint)
gdb.threads/print-threads.exp: Hit thread_function breakpoint, 5 (slow with kill breakpoint)
null -> PASS
PASS -> null
Fluctuation with unknown cause. Probably harmless.
. gdb.threads/schedlock.exp: *
PASS
gdb.threads/schedlock.exp: thread 0 ran (didn't run)
gdb.threads/schedlock.exp: thread 1 ran (didn't run)
gdb.threads/schedlock.exp: thread 2 ran (didn't run)
gdb.threads/schedlock.exp: thread 3 ran (didn't run)
gdb.threads/schedlock.exp: thread 4 ran (didn't run)
gdb.threads/schedlock.exp: thread 5 ran (didn't run)
PASS
FAIL
All tests PASSed in all configurations except for the "thread N
ran" tests. Here are the counts per thread.
PASS FAIL
thread 0 9 25
thread 1 25 9
thread 2 27 7
thread 3 28 6
thread 4 33 1
thread 5 34 0
. gdb HEAD
checkout date is '2003-07-13 22:26:35 UTC'
previous date is '2003-07-08 12:54:38 UTC'
. gdb.mi/mi-pthreads.exp: check mi_thread_command_set: -thread-select 3
gdb.mi/mi-pthreads.exp: check mi_thread_command_set: -thread-select 4
gdb.mi/mi-pthreads.exp: check mi_thread_command_set: -thread-select 5
gdb.mi/mi-pthreads.exp: check mi_thread_command_set: -thread-select 6
gdb.mi/mi1-pthreads.exp: check mi_thread_command_set: -thread-select 4
gdb.mi/mi1-pthreads.exp: check mi_thread_command_set: -thread-select 5
gdb.mi/mi1-pthreads.exp: check mi_thread_command_set: -thread-select 6
PASS -> null
null -> PASS
Same analysis as gdb_6_0-branch.
. gdb.threads/pthreads.exp: check backtrace from thread 2
FAIL -> PASS
A multi-threaded inferior program tickles a known bug in
backtracing. The bug is deterministic, but the times when it
happens is not.
pr gdb/1255: [regression] bad backtrace for libc function 'sleep'
http://sources.redhat.com/gdb/bugs/1255
. gdb.threads/linux-dp.exp: philosopher is distinct: 6
gdb.threads/linux-dp.exp: philosopher is distinct: 7
PASS -> FAIL
Same analysis as gdb_6_0-branch.
. gdb.threads/print-threads.exp: Hit thread_function breakpoint, 5 (slow with kill breakpoint)
null -> PASS
Same analysis as gdb_6_0-branch.
. gdb.threads/schedlock.exp: *
PASS
gdb.threads/schedlock.exp: thread 0 ran (didn't run)
gdb.threads/schedlock.exp: thread 1 ran (didn't run)
gdb.threads/schedlock.exp: thread 2 ran (didn't run)
gdb.threads/schedlock.exp: thread 3 ran (didn't run)
gdb.threads/schedlock.exp: thread 4 ran (didn't run)
gdb.threads/schedlock.exp: thread 5 ran (didn't run)
PASS
FAIL
All tests PASSed in all configurations except for the "thread N
ran" tests. Here are the counts per thread.
PASS FAIL
thread 0 6 28
thread 1 29 5
thread 2 31 3
thread 3 31 3
thread 4 34 0
thread 5 34 0
. Test Matrix
target => native
host => i686-pc-linux-gnu
osversion => red-hat-8.0
gdb => 5.3, gdb_6_0-branch%20030713, HEAD%20030713
gcc => 2.95.3, 3.2-7-rh, 3.3, gcc-3_3-branch%20030712, HEAD%20030712
binutils => 2.13.90.0.2-rh, 2.14, binutils-2_14-branch%20030712, HEAD%20030712
glibc => 2.2.93-5-rh
gformat => dwarf-2, stabs+
glevel => 2
count 102 = 1 * 1 * 1 * 3 * (4*4+1*1) * 1 * 2 * 1
'target' and 'host' are gnu configuration triples.
'osversion' is the host operating system name, which is additional
information beyond 'host'.
'gdb', 'gcc', 'binutils', and 'glibc' are version names.
versions starting with a digit are official releases or snapshots.
versions starting with a digit and ending with '-rh' are
vendor-supplied official releases on my red hat linux host.
versions named 'HEAD' are the cvs HEAD, also known as 'mainline' or 'trunk'.
versions with any other name are cvs branches.
cvs versions (head and branch) show the checkout date after a '%' delimiter.
'gformat' is the debugging information format.
'glevel' is the debugging level.
'count' is the total number of configurations tested.
The vendor gcc is available only with vendor binutils,
thus the '(4*4+1*1)' term for gcc/binutils combinations.
. Host Software
. host=i686-pc-linux-gnu, osversion=red-hat-8.0
make 3.79.1
binutils 2.14
gcc 3.3
flex 2.5.4
bison 1.875
tcl 8.4.3
expect 5.38.0
dejagnu 1.4.3
The sources.redhat.com cvs repository has its own versions of tcl,
expect, and dejagnu. I don't have the resources to test with both
tcl/expect/dejagnu stacks, so I choose the stock stack for my test
bed.
The sources.redhat.com version of tcl is nearly identical to tcl
8.4.1. The sources.redhat.com version of expect dates from
1998-06-15. The sources.redhat.com version of dejagnu is nearly
identical to dejagnu 1.4.3.
I have packaged and published my scripts to manage the baseline
software. They are called Migchain (Michael's Gnu Toolchain) and
Migbat (Michael's Build and Test), and they are licensed under the
GPL.
ftp://ftp.shout.net/pub/users/mec/migchain/migchain-0.6.tar.gz
ftp://ftp.shout.net/pub/users/mec/migbat/migbat-0.6.tar.gz
. Test Bed Changes Since Last Report
None.