$ strace -p 12328
Process 12328 attached - interrupt to quit
read(9,  <unfinished ...>

(gdb) bt
#0  0xb7f0267e in __read_nocancel () from /lib/tls/libpthread.so.0
#1  0xb792398e in BIO_sock_non_fatal_error () from /usr/lib/i686/cmov/libcrypto.so.0.9.7
#2  0x00000009 in ?? ()
#3  0x089a9837 in ?? ()
#4  0x00002d36 in ?? ()
#5  0xb79a5d04 in ?? () from /usr/lib/i686/cmov/libcrypto.so.0.9.7
#6  0x089a2f90 in ?? ()
#7  0x00000000 in ?? ()
#8  0x00002d36 in ?? ()
#9  0xb79214ef in BIO_read () from /usr/lib/i686/cmov/libcrypto.so.0.9.7
#10 0x089a2f90 in ?? ()
#11 0x089a9837 in ?? ()
#12 0x00002d36 in ?? ()
#13 0xb7b1b5d8 in ?? () from /usr/lib/libapr-0.so.0
#14 0x08268ad8 in ?? ()
#15 0xb67d3020 in ?? ()
#16 0xbfe4fc28 in ?? ()
#17 0xb79da010 in ?? () from /usr/lib/i686/cmov/libssl.so.0.9.7
#18 0x00004020 in ?? ()
#19 0x089a2b70 in ?? ()
#20 0x00004020 in ?? ()
#21 0xb79c1c0d in ssl3_dispatch_alert () from /usr/lib/i686/cmov/libssl.so.0.9.7
#22 0x089a9837 in ?? ()
#23 0x00002d36 in ?? ()
#24 0xb7c8abd8 in svn_base64_encode_string () from /usr/lib/libsvn_subr-1.so.0