Ah, apologies. Gmail did something dumb and collapsed it as if it were quoted. Looking now.
On Tue, Sep 18, 2012 at 10:41 AM, Derrick Brashear <[email protected]> wrote: > On Tue, Sep 18, 2012 at 10:40 AM, Troy Benjegerdes <[email protected]> wrote: >> On my server, amd64 debian stable, it works. >> On my laptop, amd64-debian stable + backports + some testing, segaults. >> >> gdb/backtraces are not particularly informative, either (see end of message) > > I prefer not to take your word for it. Share the backtrace instead? > >> Is there a clean cross-platform way to install a segfault handler so we can >> dump this kind of backtraces out automatically, particularly when doing >> something >> like a 'make check' smoke test? >> >> ... some references ... >> >> https://wiki.ubuntu.com/Apport >> http://www.cygwin.com/ml/gdb/2007-06/msg00345.html >> >> >> >> On Mon, Sep 17, 2012 at 11:39:55PM -0400, Derrick Brashear wrote: >>> So. Were you perchance using it on a Mac? Probably a 64 bit Intel mac? >>> >>> http://gerrit.openafs.org/#change,8132 >>> >>> As nearly as I can tell, this is a very specific problem. The code is fine. >>> The >>> circumstances of building afsd.fuse meant it was collateral damage when we >>> started using roken, but only on MacOS, and probably only for non-32 >>> bit pointers, >>> because MacOS does something odd with dirent.h >>> >>> On Mon, Sep 17, 2012 at 1:20 PM, Derrick Brashear <[email protected]> wrote: >>> > On Mon, Sep 17, 2012 at 1:15 PM, Troy Benjegerdes <[email protected]> wrote: >>> >> I'm looking to get all the low-hanging fruit with unskilled testing. >>> >> Particularly with regressions like this: >>> >> >>> >> hozer@six:~/src/openafs-fuse-git/tests/fuse$ >>> >> /home/hozer/src/openafs-fuse-git/tests/fuse/../../src/afsd/afsd.fuse >>> >> -dynroot -fakestat -d -confdir >>> >> /home/hozer/src/openafs-fuse-git/tests/fuse/conf -cachedir >>> >> /home/hozer/src/openafs-fuse-git/tests/fuse/vcache -mountdir >>> >> /home/hozer/src/openafs-fuse-git/tests/fuse/mntdir >>> >> FUSE library version: 2.8.6 >>> >> nullpath_ok: 0 >>> >> unique: 1, opcode: INIT (26), nodeid: 0, insize: 56 >>> >> INIT: 7.17 >>> >> flags=0x0000047b >>> >> max_readahead=0x00020000 >>> >> Starting AFS cache scan...found 0 non-empty cache files (0%). >>> >> afsd: All AFS daemons started. >>> >> Segmentation fault >> >> >> hozer@six:~/src/openafs-fuse-git/tests/fuse$ file ../../src/afsd/afsd.fuse >> ../../src/afsd/afsd.fuse: ELF 64-bit LSB executable, x86-64, version 1 >> (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.26, >> BuildID[sha1]=0xd04485c4228faf5d05f75b9f31b37939d54074d7, not stripped >> hozer@six:~/src/openafs-fuse-git/tests/fuse$ gdb ../../src/afsd/afsd.fuse >> GNU gdb (GDB) 7.4.1-debian >> Copyright (C) 2012 Free Software Foundation, Inc. >> License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> >> This is free software: you are free to change and redistribute it. >> There is NO WARRANTY, to the extent permitted by law. Type "show copying" >> and "show warranty" for details. >> This GDB was configured as "x86_64-linux-gnu". >> For bug reporting instructions, please see: >> <http://www.gnu.org/software/gdb/bugs/>... >> Reading symbols from >> /home/hozer/src/openafs-fuse-git/src/afsd/afsd.fuse...done. >> (gdb) run -dynroot -fakestat -d -confdir >> /home/hozer/src/openafs-fuse-git/tests/fuse/conf -cachedir >> /home/hozer/src/openafs-fuse-git/tests/fuse/vcache -mountdir >> /home/hozer/src/openafs-fuse-git/tests/fuse/mntdir >> Starting program: /home/hozer/src/openafs-fuse-git/src/afsd/afsd.fuse >> -dynroot -fakestat -d -confdir >> /home/hozer/src/openafs-fuse-git/tests/fuse/conf -cachedir >> /home/hozer/src/openafs-fuse-git/tests/fuse/vcache -mountdir >> /home/hozer/src/openafs-fuse-git/tests/fuse/mntdir >> [Thread debugging using libthread_db enabled] >> Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". >> FUSE library version: 2.8.6 >> nullpath_ok: 0 >> [New Thread 0x7ffff697a700 (LWP 21033)] >> [New Thread 0x7ffff6179700 (LWP 21034)] >> unique: 1, opcode: INIT (26), nodeid: 0, insize: 56 >> INIT: 7.17 >> flags=0x0000047b >> max_readahead=0x00020000 >> [New Thread 0x7ffff7f0c700 (LWP 21035)] >> [New Thread 0x7ffff7eee700 (LWP 21036)] >> [New Thread 0x7ffff7e4f700 (LWP 21037)] >> [New Thread 0x7ffff570d700 (LWP 21038)] >> [New Thread 0x7ffff56ef700 (LWP 21039)] >> [New Thread 0x7ffff5690700 (LWP 21040)] >> [New Thread 0x7ffff5631700 (LWP 21041)] >> [New Thread 0x7ffff55d2700 (LWP 21042)] >> [New Thread 0x7ffff5573700 (LWP 21043)] >> Starting AFS cache scan...found 0 non-empty cache files (0%). >> afsd: All AFS daemons started. >> [New Thread 0x7ffff54d3700 (LWP 21044)] >> >> Program received signal SIGSEGV, Segmentation fault. >> [Switching to Thread 0x7ffff697a700 (LWP 21033)] >> 0x0000000000000000 in ?? () >> (gdb) bt >> #0 0x0000000000000000 in ?? () >> #1 0x0000000000000000 in ?? () >> (gdb) thread >> [Current thread is 2 (Thread 0x7ffff697a700 (LWP 21033))] >> (gdb) help thread >> Use this command to switch between threads. >> The new thread ID must be currently known. >> >> List of thread subcommands: >> >> thread apply -- Apply a command to a list of threads >> thread find -- Find threads that match a regular expression >> thread name -- Set the current thread's name >> >> Type "help thread" followed by thread subcommand name for full documentation. >> Type "apropos word" to search for commands related to "word". >> Command name abbreviations are allowed if unambiguous. >> (gdb) thread apply gdb >> (gdb) thread apply bt >> (gdb) thread apply bt all >> (gdb) help thread apply >> Apply a command to a list of threads. >> >> List of thread apply subcommands: >> >> thread apply all -- Apply a command to all threads >> >> Type "help thread apply" followed by thread apply subcommand name for full >> documentation. >> Type "apropos word" to search for commands related to "word". >> Command name abbreviations are allowed if unambiguous. >> (gdb) thread apply all bt >> >> Thread 13 (Thread 0x7ffff54d3700 (LWP 21044)): >> #0 __memcpy_ssse3 () at ../sysdeps/x86_64/multiarch/memcpy-ssse3.S:385 >> #1 0x000000000040402f in uafs_InitThread () >> #2 0x0000000000404075 in get_user_struct () >> #3 0x0000000000405c4d in call_syscall () >> #4 0x000000000040e79d in afsd_call_syscall () >> #5 0x000000000040ba6c in call_syscall_thread () >> #6 0x00007ffff7797b50 in start_thread (arg=<optimized out>) at >> pthread_create.c:304 >> #7 0x00007ffff6a5390d in clone () at >> ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 >> #8 0x0000000000000000 in ?? () >> >> Thread 12 (Thread 0x7ffff5573700 (LWP 21043)): >> #0 pthread_cond_wait@@GLIBC_2.3.2 () at >> ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162 >> #1 0x0000000000404e81 in afs_osi_Sleep () >> #2 0x0000000000432766 in afs_BackgroundDaemon () >> #3 0x000000000046659f in afs_syscall_call () >> #4 0x0000000000449ef6 in Afs_syscall () >> #5 0x0000000000405c65 in call_syscall () >> #6 0x000000000040e79d in afsd_call_syscall () >> #7 0x000000000040ba07 in afsd_syscall () >> #8 0x000000000040ba27 in daemon_thread () >> #9 0x00007ffff7797b50 in start_thread (arg=<optimized out>) at >> pthread_create.c:304 >> #10 0x00007ffff6a5390d in clone () at >> ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 >> #11 0x0000000000000000 in ?? () >> >> Thread 11 (Thread 0x7ffff55d2700 (LWP 21042)): >> #0 pthread_cond_wait@@GLIBC_2.3.2 () at >> ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162 >> #1 0x0000000000404e81 in afs_osi_Sleep () >> #2 0x0000000000432766 in afs_BackgroundDaemon () >> #3 0x000000000046659f in afs_syscall_call () >> #4 0x0000000000449ef6 in Afs_syscall () >> #5 0x0000000000405c65 in call_syscall () >> #6 0x000000000040e79d in afsd_call_syscall () >> #7 0x000000000040ba07 in afsd_syscall () >> #8 0x000000000040ba27 in daemon_thread () >> #9 0x00007ffff7797b50 in start_thread (arg=<optimized out>) at >> pthread_create.c:304 >> #10 0x00007ffff6a5390d in clone () at >> ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 >> #11 0x0000000000000000 in ?? () >> >> Thread 10 (Thread 0x7ffff5631700 (LWP 21041)): >> #0 pthread_cond_wait@@GLIBC_2.3.2 () at >> ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162 >> #1 0x0000000000404e81 in afs_osi_Sleep () >> #2 0x0000000000432766 in afs_BackgroundDaemon () >> ---Type <return> to continue, or q <return> to quit--- >> #3 0x000000000046659f in afs_syscall_call () >> #4 0x0000000000449ef6 in Afs_syscall () >> #5 0x0000000000405c65 in call_syscall () >> #6 0x000000000040e79d in afsd_call_syscall () >> #7 0x000000000040ba07 in afsd_syscall () >> #8 0x000000000040ba27 in daemon_thread () >> #9 0x00007ffff7797b50 in start_thread (arg=<optimized out>) at >> pthread_create.c:304 >> #10 0x00007ffff6a5390d in clone () at >> ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 >> #11 0x0000000000000000 in ?? () >> >> Thread 9 (Thread 0x7ffff5690700 (LWP 21040)): >> #0 pthread_cond_wait@@GLIBC_2.3.2 () at >> ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162 >> #1 0x0000000000404e81 in afs_osi_Sleep () >> #2 0x0000000000432766 in afs_BackgroundDaemon () >> #3 0x000000000046659f in afs_syscall_call () >> #4 0x0000000000449ef6 in Afs_syscall () >> #5 0x0000000000405c65 in call_syscall () >> #6 0x000000000040e79d in afsd_call_syscall () >> #7 0x000000000040ba07 in afsd_syscall () >> #8 0x000000000040ba27 in daemon_thread () >> #9 0x00007ffff7797b50 in start_thread (arg=<optimized out>) at >> pthread_create.c:304 >> #10 0x00007ffff6a5390d in clone () at >> ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 >> #11 0x0000000000000000 in ?? () >> >> Thread 8 (Thread 0x7ffff56ef700 (LWP 21039)): >> #0 pthread_cond_wait@@GLIBC_2.3.2 () at >> ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162 >> #1 0x0000000000404bd6 in afs_osi_Wait () >> #2 0x0000000000431548 in afs_CheckServerDaemon () >> #3 0x0000000000466547 in afs_syscall_call () >> #4 0x0000000000449ef6 in Afs_syscall () >> #5 0x0000000000405c65 in call_syscall () >> #6 0x000000000040e79d in afsd_call_syscall () >> #7 0x000000000040ba6c in call_syscall_thread () >> #8 0x00007ffff7797b50 in start_thread (arg=<optimized out>) at >> pthread_create.c:304 >> #9 0x00007ffff6a5390d in clone () at >> ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 >> #10 0x0000000000000000 in ?? () >> >> Thread 7 (Thread 0x7ffff570d700 (LWP 21038)): >> #0 pthread_cond_wait@@GLIBC_2.3.2 () at >> ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162 >> #1 0x0000000000404bd6 in afs_osi_Wait () >> #2 0x0000000000431da2 in afs_Daemon () >> #3 0x0000000000466528 in afs_syscall_call () >> #4 0x0000000000449ef6 in Afs_syscall () >> #5 0x0000000000405c65 in call_syscall () >> ---Type <return> to continue, or q <return> to quit--- >> #6 0x000000000040e79d in afsd_call_syscall () >> #7 0x000000000040ba6c in call_syscall_thread () >> #8 0x00007ffff7797b50 in start_thread (arg=<optimized out>) at >> pthread_create.c:304 >> #9 0x00007ffff6a5390d in clone () at >> ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 >> #10 0x0000000000000000 in ?? () >> >> Thread 6 (Thread 0x7ffff7e4f700 (LWP 21037)): >> #0 pthread_cond_timedwait@@GLIBC_2.3.2 () >> at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:216 >> #1 0x000000000041d5ab in afs_rxevent_daemon () >> #2 0x000000000046661b in afs_syscall_call () >> #3 0x0000000000449ef6 in Afs_syscall () >> #4 0x0000000000405c65 in call_syscall () >> #5 0x000000000040e79d in afsd_call_syscall () >> #6 0x000000000040ba6c in call_syscall_thread () >> #7 0x00007ffff7797b50 in start_thread (arg=<optimized out>) at >> pthread_create.c:304 >> #8 0x00007ffff6a5390d in clone () at >> ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 >> #9 0x0000000000000000 in ?? () >> >> Thread 5 (Thread 0x7ffff7eee700 (LWP 21036)): >> #0 pthread_cond_wait@@GLIBC_2.3.2 () at >> ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162 >> #1 0x0000000000415cfd in rx_GetCall () >> #2 0x0000000000415f81 in rxi_ServerProc () >> #3 0x000000000041d7ad in rx_ServerProc () >> #4 0x000000000042c033 in afs_RXCallBackServer () >> #5 0x00000000004663a3 in afs_syscall_call () >> #6 0x0000000000449ef6 in Afs_syscall () >> #7 0x0000000000405c65 in call_syscall () >> #8 0x000000000040e79d in afsd_call_syscall () >> #9 0x000000000040ba6c in call_syscall_thread () >> #10 0x00007ffff7797b50 in start_thread (arg=<optimized out>) at >> pthread_create.c:304 >> #11 0x00007ffff6a5390d in clone () at >> ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 >> #12 0x0000000000000000 in ?? () >> >> Thread 4 (Thread 0x7ffff7f0c700 (LWP 21035)): >> #0 0x00007ffff779f5ad in recvmsg () at ../sysdeps/unix/syscall-template.S:82 >> #1 0x000000000041dcb3 in rxi_Recvmsg () >> #2 0x00000000004211be in rxi_ReadPacket () >> #3 0x000000000041d690 in rxi_ListenerProc () >> #4 0x000000000041db13 in rxk_Listener () >> #5 0x00000000004664bf in afs_syscall_call () >> #6 0x0000000000449ef6 in Afs_syscall () >> #7 0x0000000000405c65 in call_syscall () >> #8 0x000000000040e79d in afsd_call_syscall () >> ---Type <return> to continue, or q <return> to quit--- >> #9 0x000000000040ba6c in call_syscall_thread () >> #10 0x00007ffff7797b50 in start_thread (arg=<optimized out>) at >> pthread_create.c:304 >> #11 0x00007ffff6a5390d in clone () at >> ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 >> #12 0x0000000000000000 in ?? () >> >> Thread 3 (Thread 0x7ffff6179700 (LWP 21034)): >> #0 0x00007ffff779f18d in read () at ../sysdeps/unix/syscall-template.S:82 >> #1 0x00007ffff711fc5d in ?? () from /usr/lib/libfuse.so.2 >> #2 0x00007ffff71201c6 in ?? () from /usr/lib/libfuse.so.2 >> #3 0x00007ffff7797b50 in start_thread (arg=<optimized out>) at >> pthread_create.c:304 >> #4 0x00007ffff6a5390d in clone () at >> ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 >> #5 0x0000000000000000 in ?? () >> >> Thread 2 (Thread 0x7ffff697a700 (LWP 21033)): >> #0 0x0000000000000000 in ?? () >> #1 0x0000000000000000 in ?? () >> >> Thread 1 (Thread 0x7ffff7fd4700 (LWP 21028)): >> #0 sem_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S:86 >> #1 0x00007ffff71203f8 in fuse_session_loop_mt () from /usr/lib/libfuse.so.2 >> #2 0x00007ffff712577d in ?? () from /usr/lib/libfuse.so.2 >> #3 0x0000000000403cb3 in main (argc=<optimized out>, argv=0x7fffffffe0e8) >> at ./afsd_fuse.c:578 >> > > > > -- > Derrick -- Derrick _______________________________________________ OpenAFS-devel mailing list [email protected] https://lists.openafs.org/mailman/listinfo/openafs-devel
