GNU gdb (GDB) 7.1-ubuntu
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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(gdb) handle sigSIG33 pass nostop noprint
Signal        Stop	Print	Pass to program	Description
SIG33         No	No	Yes		Real-time event 33
(gdb) set pagination 0
(gdb) attach 1997
Attaching to process 1997
Reading symbols from /usr/bin/sshfs...Reading symbols from /usr/lib/debug/usr/bin/sshfs...done.
done.
Reading symbols from /lib/libfuse.so.2...Reading symbols from /usr/lib/debug/lib/libfuse.so.2.8.1...done.
done.
Loaded symbols for /lib/libfuse.so.2
Reading symbols from /lib/libdl.so.2...Reading symbols from /usr/lib/debug/lib/libdl-2.11.1.so...done.
done.
Loaded symbols for /lib/libdl.so.2
Reading symbols from /usr/lib/libgthread-2.0.so.0...Reading symbols from /usr/lib/debug/usr/lib/libgthread-2.0.so.0.2400.0...done.
done.
Loaded symbols for /usr/lib/libgthread-2.0.so.0
Reading symbols from /lib/librt.so.1...Reading symbols from /usr/lib/debug/lib/librt-2.11.1.so...done.
done.
Loaded symbols for /lib/librt.so.1
Reading symbols from /lib/libglib-2.0.so.0...Reading symbols from /usr/lib/debug/lib/libglib-2.0.so.0.2400.0...done.
done.
Loaded symbols for /lib/libglib-2.0.so.0
Reading symbols from /lib/libpthread.so.0...(no debugging symbols found)...done.
[Thread debugging using libthread_db enabled]
[New Thread 0x7f55593f3710 (LWP 1999)]
Loaded symbols for /lib/libpthread.so.0
Reading symbols from /lib/libc.so.6...Reading symbols from /usr/lib/debug/lib/libc-2.11.1.so...done.
done.
Loaded symbols for /lib/libc.so.6
Reading symbols from /lib64/ld-linux-x86-64.so.2...Reading symbols from /usr/lib/debug/lib/ld-2.11.1.so...done.
done.
Loaded symbols for /lib64/ld-linux-x86-64.so.2
Reading symbols from /lib/libpcre.so.3...Reading symbols from /usr/lib/debug/lib/libpcre.so.3.12.1...done.
done.
Loaded symbols for /lib/libpcre.so.3
0x00007f55599b1b50 in sem_wait () from /lib/libpthread.so.0
(gdb) backtrace full
#0  0x00007f55599b1b50 in sem_wait () from /lib/libpthread.so.0
No symbol table info available.
#1  0x0000000000403840 in sftp_request_wait (req=0x7f55540cf440, type=5 '\005', expect_type=103 'g', outbuf=0x7fffeb961a20) at sshfs.c:1630
        err = <value optimized out>
#2  0x0000000000405b6e in sftp_request_iov (type=<value optimized out>, iov=<value optimized out>, count=<value optimized out>, expect_type=103 'g', outbuf=0x7fffeb961a20) at sshfs.c:1749
        req = 0x7f55540cf440
#3  0x0000000000405bbb in sftp_request (type=72 'H', buf=<value optimized out>, expect_type=255 '\377', outbuf=0x0) at sshfs.c:1758
        iov = {iov_base = 0x7f55540cf560, iov_len = 20}
#4  0x0000000000406717 in sshfs_sync_read (path=<value optimized out>, rbuf=0x7f55542b1030 "\261)\251\372\201*\323h\207^\027LW\340Z\271\330h>\275b\225]\324R\353\005\023>\250\361\025ŝ\212\362%5,7\273-S\020\334^\314Kـ+\031B\271\026\330wDrιk\v\330B\315p\313m\214\"M\240 \341Iǝ\251?\305\r\350\064\340\200\351\352ϡ3ޑ\f\354˹\025\216\024\210qZ\255\064\303\001\"}\aD-R\275\062\020\343\a\361\260笾\314\316Tې(\307\003\065a\t\355\023Nx\225\202\213\352[\026R3\251vS\341Y@\241\rO'-<IHt\210]a\024^\250\067\060\217\205㌖\260\024\246V\316\066\003R\207\316\034^2\314W\311\337\367\223\221e\265\367\254+M"..., size=<value optimized out>, offset=<value optimized out>, fi=<value optimized out>) at sshfs.c:2283
        err = <value optimized out>
        buf = {p = 0x7f55540cf560 "", len = 20, size = 64}
        data = {p = 0x1 <Address 0x1 out of bounds>, len = 27644, size = 36713488}
#5  sshfs_read (path=<value optimized out>, rbuf=0x7f55542b1030 "\261)\251\372\201*\323h\207^\027LW\340Z\271\330h>\275b\225]\324R\353\005\023>\250\361\025ŝ\212\362%5,7\273-S\020\334^\314Kـ+\031B\271\026\330wDrιk\v\330B\315p\313m\214\"M\240 \341Iǝ\251?\305\r\350\064\340\200\351\352ϡ3ޑ\f\354˹\025\216\024\210qZ\255\064\303\001\"}\aD-R\275\062\020\343\a\361\260笾\314\316Tې(\307\003\065a\t\355\023Nx\225\202\213\352[\026R3\251vS\341Y@\241\rO'-<IHt\210]a\024^\250\067\060\217\205㌖\260\024\246V\316\066\003R\207\316\034^2\314W\311\337\367\223\221e\265\367\254+M"..., size=<value optimized out>, offset=<value optimized out>, fi=<value optimized out>) at sshfs.c:2465
        sf = 0x7f5554191310
#6  0x00007f555a4b7bc7 in fuse_fs_read (fs=0x23035d0, path=<value optimized out>, buf=0x7f55542b1030 "\261)\251\372\201*\323h\207^\027LW\340Z\271\330h>\275b\225]\324R\353\005\023>\250\361\025ŝ\212\362%5,7\273-S\020\334^\314Kـ+\031B\271\026\330wDrιk\v\330B\315p\313m\214\"M\240 \341Iǝ\251?\305\r\350\064\340\200\351\352ϡ3ޑ\f\354˹\025\216\024\210qZ\255\064\303\001\"}\aD-R\275\062\020\343\a\361\260笾\314\316Tې(\307\003\065a\t\355\023Nx\225\202\213\352[\026R3\251vS\341Y@\241\rO'-<IHt\210]a\024^\250\067\060\217\205㌖\260\024\246V\316\066\003R\207\316\034^2\314W\311\337\367\223\221e\265\367\254+M"..., size=65536, off=5521408, fi=0x7fffeb961bd0) at fuse.c:1255
        res = -38
#7  0x00007f555a4bfc91 in fuse_lib_read (req=0x7f555402b350, ino=1398, size=65536, off=<value optimized out>, fi=<value optimized out>) at fuse.c:2544
        d = {id = 140004568168192, cond = {__data = {__lock = 0, __futex = 0, __total_seq = 0, __wakeup_seq = 0, __woken_seq = 0, __mutex = 0x0, __nwaiters = 0, __broadcast_seq = 0}, __size = '\000' <repeats 47 times>, __align = 0}, finished = 0}
        f = 0x2303410
        path = 0x7f5554155200 "/bogdanb/torrent/Borknagar - Universal [2010] [flac]/split-track03.flac"
        res = -342484160
#8  0x00007f555a4c3870 in do_read (req=0x7f55540cf448, nodeid=128, inarg=<value optimized out>) at fuse_lowlevel.c:738
        fi = {flags = 32768, fh_old = 140004459877136, writepage = 0, direct_io = 0, keep_cache = 0, flush = 0, nonseekable = 0, padding = 0, fh = 140004459877136, lock_owner = 0}
#9  0x00007f555a4c05aa in fuse_session_loop (se=0x23033b0) at fuse_loop.c:33
        tmpch = 0x2302d30
        res = 0
        ch = <value optimized out>
        bufsize = <value optimized out>
#10 0x00007f555a4c6164 in fuse_main_common (argc=<value optimized out>, argv=<value optimized out>, op=<value optimized out>, op_size=<value optimized out>, user_data=<value optimized out>, compat=<value optimized out>) at helper.c:330
        fuse = 0x2303410
        mountpoint = <value optimized out>
        multithreaded = 0
        res = <value optimized out>
#11 0x000000000040534d in main (argc=<value optimized out>, argv=<value optimized out>) at sshfs.c:3292
        res = <value optimized out>
        args = {argc = 9, argv = 0x23029f0, allocated = 1}
        fsname = 0x2302eb0 "/media/corum"
        base_path = <value optimized out>
        sftp_server = <value optimized out>
        libver = <value optimized out>
        __PRETTY_FUNCTION__ = "main"
(gdb) info registers
rax            0xfffffffffffffe00	-512
rbx            0x7f55540cf440	140004459082816
rcx            0xffffffffffffffff	-1
rdx            0x0	0
rsi            0x80	128
rdi            0x7f55540cf448	140004459082824
rbp            0x7f55540cf448	0x7f55540cf448
rsp            0x7fffeb961950	0x7fffeb961950
r8             0x0	0
r9             0x7cd	1997
r10            0x0	0
r11            0x246	582
r12            0x7fffeb961a20	140737145870880
r13            0x67	103
r14            0x5	5
r15            0x7f55542b1030	140004461056048
rip            0x7f55599b1b50	0x7f55599b1b50 <sem_wait+48>
eflags         0x246	[ PF ZF IF ]
cs             0x33	51
ss             0x2b	43
ds             0x0	0
es             0x0	0
fs             0x0	0
gs             0x0	0
(gdb) x/19i6i $pc
=> 0x7f55599b1b50 <sem_wait+48>:	mov    %rax,%rcx
   0x7f55599b1b53 <sem_wait+51>:	xchg   %r8,%rdi
   0x7f55599b1b56 <sem_wait+54>:	callq  0x7f55599b23b0 <__pthread_disable_asynccancel>
   0x7f55599b1b5b <sem_wait+59>:	mov    %r8,%rdi
   0x7f55599b1b5e <sem_wait+62>:	test   %rcx,%rcx
   0x7f55599b1b61 <sem_wait+65>:	je     0x7f55599b1b69 <sem_wait+73>
   0x7f55599b1b63 <sem_wait+67>:	cmp    $0xfffffffffffffff5,%rcx
   0x7f55599b1b67 <sem_wait+71>:	jne    0x7f55599b1b86 <sem_wait+102>
   0x7f55599b1b69 <sem_wait+73>:	mov    (%rdi),%eax
   0x7f55599b1b6b <sem_wait+75>:	test   %eax,%eax
   0x7f55599b1b6d <sem_wait+77>:	je     0x7f55599b1b39 <sem_wait+25>
   0x7f55599b1b6f <sem_wait+79>:	lea    -0x1(%rax),%edx
   0x7f55599b1b72 <sem_wait+82>:	lock cmpxchg %edx,(%rdi)
   0x7f55599b1b76 <sem_wait+86>:	jne    0x7f55599b1b6b <sem_wait+75>
   0x7f55599b1b78 <sem_wait+88>:	xor    %eax,%eax
   0x7f55599b1b7a <sem_wait+90>:	lock subq $0x1,0x8(%rdi)
(gdb) thread apply all backtrace

Thread 2 (Thread 0x7f55593f3710 (LWP 1999)):
#0  0x00007f55599b293d in read () from /lib/libpthread.so.0
#1  0x0000000000402ed8 in read (buf=<value optimized out>) at /usr/include/bits/unistd.h:45
#2  do_read (buf=<value optimized out>) at sshfs.c:1123
#3  0x0000000000403453 in sftp_read (type=0x7f55593f2e7f "g\310=?YU\177", buf=0x7f55593f2e40) at sshfs.c:1143
#4  0x0000000000403551 in process_one_request (data_=<value optimized out>) at sshfs.c:1214
#5  process_requests (data_=<value optimized out>) at sshfs.c:1295
#6  0x00007f55599aa9ca in start_thread () from /lib/libpthread.so.0
#7  0x00007f55597086dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f555a8d7700 (LWP 1997)):
#0  0x00007f55599b1b50 in sem_wait () from /lib/libpthread.so.0
#1  0x0000000000403840 in sftp_request_wait (req=0x7f55540cf440, type=5 '\005', expect_type=103 'g', outbuf=0x7fffeb961a20) at sshfs.c:1630
#2  0x0000000000405b6e in sftp_request_iov (type=<value optimized out>, iov=<value optimized out>, count=<value optimized out>, expect_type=103 'g', outbuf=0x7fffeb961a20) at sshfs.c:1749
#3  0x0000000000405bbb in sftp_request (type=72 'H', buf=<value optimized out>, expect_type=255 '\377', outbuf=0x0) at sshfs.c:1758
#4  0x0000000000406717 in sshfs_sync_read (path=<value optimized out>, rbuf=0x7f55542b1030 "\261)\251\372\201*\323h\207^\027LW\340Z\271\330h>\275b\225]\324R\353\005\023>\250\361\025ŝ\212\362%5,7\273-S\020\334^\314Kـ+\031B\271\026\330wDrιk\v\330B\315p\313m\214\"M\240 \341Iǝ\251?\305\r\350\064\340\200\351\352ϡ3ޑ\f\354˹\025\216\024\210qZ\255\064\303\001\"}\aD-R\275\062\020\343\a\361\260笾\314\316Tې(\307\003\065a\t\355\023Nx\225\202\213\352[\026R3\251vS\341Y@\241\rO'-<IHt\210]a\024^\250\067\060\217\205㌖\260\024\246V\316\066\003R\207\316\034^2\314W\311\337\367\223\221e\265\367\254+M"..., size=<value optimized out>, offset=<value optimized out>, fi=<value optimized out>) at sshfs.c:2283
#5  sshfs_read (path=<value optimized out>, rbuf=0x7f55542b1030 "\261)\251\372\201*\323h\207^\027LW\340Z\271\330h>\275b\225]\324R\353\005\023>\250\361\025ŝ\212\362%5,7\273-S\020\334^\314Kـ+\031B\271\026\330wDrιk\v\330B\315p\313m\214\"M\240 \341Iǝ\251?\305\r\350\064\340\200\351\352ϡ3ޑ\f\354˹\025\216\024\210qZ\255\064\303\001\"}\aD-R\275\062\020\343\a\361\260笾\314\316Tې(\307\003\065a\t\355\023Nx\225\202\213\352[\026R3\251vS\341Y@\241\rO'-<IHt\210]a\024^\250\067\060\217\205㌖\260\024\246V\316\066\003R\207\316\034^2\314W\311\337\367\223\221e\265\367\254+M"..., size=<value optimized out>, offset=<value optimized out>, fi=<value optimized out>) at sshfs.c:2465
#6  0x00007f555a4b7bc7 in fuse_fs_read (fs=0x23035d0, path=<value optimized out>, buf=0x7f55542b1030 "\261)\251\372\201*\323h\207^\027LW\340Z\271\330h>\275b\225]\324R\353\005\023>\250\361\025ŝ\212\362%5,7\273-S\020\334^\314Kـ+\031B\271\026\330wDrιk\v\330B\315p\313m\214\"M\240 \341Iǝ\251?\305\r\350\064\340\200\351\352ϡ3ޑ\f\354˹\025\216\024\210qZ\255\064\303\001\"}\aD-R\275\062\020\343\a\361\260笾\314\316Tې(\307\003\065a\t\355\023Nx\225\202\213\352[\026R3\251vS\341Y@\241\rO'-<IHt\210]a\024^\250\067\060\217\205㌖\260\024\246V\316\066\003R\207\316\034^2\314W\311\337\367\223\221e\265\367\254+M"..., size=65536, off=5521408, fi=0x7fffeb961bd0) at fuse.c:1255
#7  0x00007f555a4bfc91 in fuse_lib_read (req=0x7f555402b350, ino=1398, size=65536, off=<value optimized out>, fi=<value optimized out>) at fuse.c:2544
#8  0x00007f555a4c3870 in do_read (req=0x7f55540cf448, nodeid=128, inarg=<value optimized out>) at fuse_lowlevel.c:738
#9  0x00007f555a4c05aa in fuse_session_loop (se=0x23033b0) at fuse_loop.c:33
#10 0x00007f555a4c6164 in fuse_main_common (argc=<value optimized out>, argv=<value optimized out>, op=<value optimized out>, op_size=<value optimized out>, user_data=<value optimized out>, compat=<value optimized out>) at helper.c:330
#11 0x000000000040534d in main (argc=<value optimized out>, argv=<value optimized out>) at sshfs.c:3292
(gdb) quit
A debugging session is active.

	Inferior 1 [process 1997] will be detached.

Quit anyway? (y or n) Detaching from program: /usr/bin/sshfs, process 1997