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-rw-r--r--open_issues/gdb.mdwn180
1 files changed, 166 insertions, 14 deletions
diff --git a/open_issues/gdb.mdwn b/open_issues/gdb.mdwn
index 62d9e435..2cebf04a 100644
--- a/open_issues/gdb.mdwn
+++ b/open_issues/gdb.mdwn
@@ -33,8 +33,8 @@ git diff --patience --stat=$COLUMNS,$COLUMNS --patch --src-prefix=./ --dst-prefi
-->
-Last reviewed up to the [[Git mirror's 3eb2a51c46804f0be530893e94af559abee8b4f8
-(2013-05-27) sources|source_repositories/gdb]].
+Last reviewed up to the [[Git mirror's 9799ab54486adf49a50e5aadd9f5e6bc03db6123
+(2013-06-13) sources|source_repositories/gdb]].
* Globally
@@ -71,7 +71,7 @@ Last reviewed up to the [[Git mirror's 3eb2a51c46804f0be530893e94af559abee8b4f8
Here's a log of a GDB build run; this is from our [[Git
repository|source_repositories/gdb]]'s `tschwinge/Ferry_Tagscherer` branch,
-commit 3eb2a51c46804f0be530893e94af559abee8b4f8 (2013-05-27), run on
+commit 9799ab54486adf49a50e5aadd9f5e6bc03db6123 (2013-06-13), run on
kepler.SCHWINGE and coulomb.SCHWINGE.
$ export LC_ALL=C
@@ -87,7 +87,7 @@ There are several occurences of *error: dereferencing type-punned pointer will
break strict-aliasing rules* in the MIG-generated stub files; thus no `-Werror`
until that is resolved ([[strict_aliasing]]).
-This takes up around 220 MiB and needs roughly 8 min on kepler.SCHWINGE and 25
+This takes up around 230 MiB and needs roughly 8 min on kepler.SCHWINGE and 25
min on coulomb.SCHWINGE.
<!--
@@ -289,6 +289,15 @@ GNU/Hurd, these generally are `gdb.multi/watchpoint-multi`, and an unknown
At this point, the system hangs; no new processes can be spawned, so
perhaps an issue with the exec server.
+ * `gdb.threads/manythreads.exp`
+
+ [[!taglink open_issue_libpthread]]. Perhaps fails due to pthread
+ attributes usage? Doesn't execute properly:
+
+ $ gdb/testsuite/gdb.threads/manythreads
+ manythreads: ../libpthread/sysdeps/mach/pt-thread-halt.c:51: __pthread_thread_halt: Unexpected error: (ipc/rcv) invalid name.
+ Killed
+
* Linux syscall usage, `<asm/unistd.h>`
* `UNSUPPORTED: gdb.threads/ia64-sigill.exp: Couldn't compile ../../../master/gdb/testsuite/gdb.threads/ia64-sigill.c: unrecognized error`
@@ -363,15 +372,158 @@ GNU/Hurd, these generally are `gdb.multi/watchpoint-multi`, and an unknown
*stopped,reason="signal-received",signal-name="SIGSEGV",signal-meaning="Segmentation fault",frame={addr="0x00014add",func="??",args=[],from="/lib/ld.so"},thread-id="4",stopped-threads="all"
- * `gdb.arch/i386-float.exp: info float`
-
- Running ../../../Ferry_Tagscherer/gdb/testsuite/gdb.arch/i386-float.exp ...
- PASS: gdb.arch/i386-float.exp: first stepi
- FAIL: gdb.arch/i386-float.exp: info float
- PASS: gdb.arch/i386-float.exp: second stepi
- PASS: gdb.arch/i386-float.exp: info float
-
- Only fails for GNU/Hurd: the floating point stack initially is not
- all-zeroes, which is expected, and which it is on GNU/Linux.
+ * `gdb.base/call-signal-resume.exp`
+
+ $ gdb -q gdb/testsuite/gdb.base/call-signals
+ (gdb) break stop_one
+ (gdb) r
+ (gdb) call gen_signal()
+ (gdb) bt
+ (gdb) frame [<function called from gdb>]
+ (gdb) return
+ (gdb) break handle_signal
+ (gdb) c
+ (gdb) c
+
+ kepler.SCHWINGE:
+
+ Breakpoint 2, handle_signal (sig=6) at ../../../Ferry_Tagscherer/gdb/testsuite/gdb.base/call-signals.c:28
+ 28 }
+ (gdb) bt
+ #0 handle_signal (sig=6) at ../../../Ferry_Tagscherer/gdb/testsuite/gdb.base/call-signals.c:28
+ #1 <signal handler called>
+ #2 0xb7fde416 in __kernel_vsyscall ()
+ #3 0xb7dffd96 in kill () at ../sysdeps/unix/syscall-template.S:81
+ #4 0x0804859c in gen_signal () at ../../../Ferry_Tagscherer/gdb/testsuite/gdb.base/call-signals.c:35
+ #5 0x08048610 in main () at ../../../Ferry_Tagscherer/gdb/testsuite/gdb.base/call-signals.c:81
+
+ coulomb.SCHWINGE:
+
+ Breakpoint 2, handle_signal (sig=6) at ../../../Ferry_Tagscherer/gdb/testsuite/gdb.base/call-signals.c:28
+ 28 }
+ (gdb) bt
+ #0 handle_signal (sig=6) at ../../../Ferry_Tagscherer/gdb/testsuite/gdb.base/call-signals.c:28
+ #1 0x010baac2 in trampoline () from /lib/i386-gnu/libc.so.0.3
+ #2 0x00000006 in ?? ()
+ #3 0x00000000 in ?? ()
+
+ kepler.SCHWINGE:
+
+ (gdb) c
+ Continuing.
+ no signal
+ [Inferior 1 (process 10401) exited normally]
+
+ coulomb.SCHWINGE:
+
+ (gdb) c
+ Continuing.
+ no signal
+
+ Program received signal SIGSEGV, Segmentation fault.
+ 0x00000000 in ?? ()
+ (gdb) bt
+ #0 0x00000000 in ?? ()
+ #1 0x01116c28 in _IO_acquire_lock_fct (p=<synthetic pointer>) at libioP.h:905
+ #2 _IO_puts (str=0x80487e0 "no signal") at ioputs.c:45
+ #3 0x080486d8 in gen_signal () at ../../../Ferry_Tagscherer/gdb/testsuite/gdb.base/call-signals.c:38
+ #4 0x0804873d in main () at ../../../Ferry_Tagscherer/gdb/testsuite/gdb.base/call-signals.c:81
+
+ This is apparently new with the glibc 2.17 upgrade. If not doing the
+ manual `gen_signal` call, it works fine. TODO.
+
+ * `gdb.base/relativedebug.exp`
+
+ (gdb) PASS: gdb.base/relativedebug.exp: continue
+ bt
+ #0 0x010a1afc in ?? () from /lib/i386-gnu/libc.so.0.3
+ #1 0x010a23be in mach_msg () from /lib/i386-gnu/libc.so.0.3
+ #2 0x0126cd98 in msg_sig_post () from /lib/i386-gnu/libhurduser.so.0.3
+ #3 0x010e2141 in ?? () from /lib/i386-gnu/libc.so.0.3
+ #4 0x010e23ed in kill () from /lib/i386-gnu/libc.so.0.3
+ #5 0x010e17f4 in raise () from /lib/i386-gnu/libc.so.0.3
+ #6 0x010e5b7c in abort () from /lib/i386-gnu/libc.so.0.3
+ #7 0x08048607 in handler (signo=14) at ../../../Ferry_Tagscherer/gdb/testsuite/gdb.base/relativedebug.c:25
+ #8 0x010bdac2 in ?? () from /lib/i386-gnu/libc.so.0.3
+ Backtrace stopped: previous frame inner to this frame (corrupt stack?)
+ (gdb) FAIL: gdb.base/relativedebug.exp: pause found in backtrace
+
+ This is apparently new with the glibc 2.17 upgrade. Previously it said:
+
+ (gdb) PASS: gdb.base/relativedebug.exp: continue
+ bt
+ #0 0x0107c85c in ?? () from /lib/i386-gnu/libc.so.0.3
+ #1 0x0107d069 in mach_msg () from /lib/i386-gnu/libc.so.0.3
+ #2 0x01220d4f in msg_sig_post () from /lib/i386-gnu/libhurduser.so.0.3
+ #3 0x010bb683 in ?? () from /lib/i386-gnu/libc.so.0.3
+ #4 0x010bb8f6 in kill () from /lib/i386-gnu/libc.so.0.3
+ #5 0x010bad76 in raise () from /lib/i386-gnu/libc.so.0.3
+ #6 0x010bf029 in abort () from /lib/i386-gnu/libc.so.0.3
+ #7 0x08048597 in handler (signo=14) at ../../../Ferry_Tagscherer/gdb/testsuite/gdb.base/relativedebug.c:25
+ #8 0x01098282 in ?? () from /lib/i386-gnu/libc.so.0.3
+ #9 0x010bbe5a in sigsuspend () from /lib/i386-gnu/libc.so.0.3
+ #10 0x0112fee1 in pause () from /lib/i386-gnu/libc.so.0.3
+ #11 0x080485c5 in main () at ../../../Ferry_Tagscherer/gdb/testsuite/gdb.base/relativedebug.c:32
+ (gdb) PASS: gdb.base/relativedebug.exp: pause found in backtrace
+
+ TODO.
+
+ * `gdb.gdb/selftest.exp`
+
+ (gdb) PASS: gdb.gdb/selftest.exp: send SIGINT signal to child process
+ backtrace
+ #0 0x0146fafc in ?? () from /lib/i386-gnu/libc.so.0.3
+ #1 0x014703be in mach_msg () from /lib/i386-gnu/libc.so.0.3
+ #2 0x0163bd98 in msg_sig_post () from /lib/i386-gnu/libhurduser.so.0.3
+ #3 0x014b0141 in ?? () from /lib/i386-gnu/libc.so.0.3
+ #4 0x014b03ed in kill () from /lib/i386-gnu/libc.so.0.3
+ #5 0x082cf471 in _rl_handle_signal (sig=2) at ../../Ferry_Tagscherer/readline/signals.c:221
+ #6 0x0148bac2 in ?? () from /lib/i386-gnu/libc.so.0.3
+ Backtrace stopped: previous frame inner to this frame (corrupt stack?)
+ (gdb) FAIL: gdb.gdb/selftest.exp: backtrace through signal handler
+
+ This is apparently new with the glibc 2.17 upgrade. Previously it said:
+
+ (gdb) PASS: gdb.gdb/selftest.exp: send SIGINT signal to child process
+ backtrace
+ #0 0x0144885c in ?? () from /lib/i386-gnu/libc.so.0.3
+ #1 0x01449069 in mach_msg () from /lib/i386-gnu/libc.so.0.3
+ #2 0x015ecd4f in msg_sig_post () from /lib/i386-gnu/libhurduser.so.0.3
+ #3 0x01487683 in ?? () from /lib/i386-gnu/libc.so.0.3
+ #4 0x014878f6 in kill () from /lib/i386-gnu/libc.so.0.3
+ #5 0x082cf401 in _rl_handle_signal (sig=2) at ../../Ferry_Tagscherer/readline/signals.c:221
+ #6 0x01464282 in ?? () from /lib/i386-gnu/libc.so.0.3
+ #7 0x0144fce3 in ?? () from /lib/i386-gnu/libc.so.0.3
+ #8 0x0153975b in poll () from /lib/i386-gnu/libc.so.0.3
+ #9 0x081c91c2 in gdb_wait_for_event (block=1) at ../../Ferry_Tagscherer/gdb/event-loop.c:804
+ #10 0x081c998f in gdb_do_one_event () at ../../Ferry_Tagscherer/gdb/event-loop.c:402
+ #11 0x081c9b07 in start_event_loop () at ../../Ferry_Tagscherer/gdb/event-loop.c:431
+ #12 0x081c2f42 in captured_command_loop (data=data@entry=0x0) at ../../Ferry_Tagscherer/gdb/main.c:260
+ #13 0x081c0e57 in catch_errors (func=func@entry=0x81c2f30 <captured_command_loop>, func_args=func_args@entry=0x0, errstring=errstring@entry=0x83
+ 5b81b "", mask=mask@entry=6) at ../../Ferry_Tagscherer/gdb/exceptions.c:546
+ #14 0x081c388c in captured_main (data=data@entry=0x19ff150) at ../../Ferry_Tagscherer/gdb/main.c:1055
+ #15 0x081c0e57 in catch_errors (func=func@entry=0x81c3130 <captured_main>, func_args=func_args@entry=0x19ff150, errstring=errstring@entry=0x835b
+ 81b "", mask=mask@entry=6) at ../../Ferry_Tagscherer/gdb/exceptions.c:546
+ #16 0x081c43c0 in gdb_main (args=0x19ff150) at ../../Ferry_Tagscherer/gdb/main.c:1064
+ #17 0x08099533 in main (argc=5, argv=0x19ff1e8) at ../../Ferry_Tagscherer/gdb/gdb.c:34
+ (gdb) PASS: gdb.gdb/selftest.exp: backtrace through signal handler
+
+ TODO.
+
+ * `gdb.python/python.exp`
+
+ >PASS: gdb.python/python.exp: post event insertion - gdb.post_event(Foo())
+ end
+ ERROR: Process no longer exists
+ UNRESOLVED: gdb.python/python.exp: post event insertion - end
+
+ This is apparently new with the glibc 2.17 upgrade. Previously it said:
+
+ >PASS: gdb.python/python.exp: post event insertion - gdb.post_event(Foo())
+ end
+ (gdb) PASS: gdb.python/python.exp: post event insertion - end
+ [More PASSes.]
+
+ TODO.
TODO.
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-16 03:18:47 +0000