Bug fix release : otp_src_R7B-2
From snapshot : 20010305
There is no patch from otp_src_R7B-1 to otp_src_R7B-2, you have
to download the full release.
There is still a configure bug that has the unfortunate effect that
configure fails but it looks like a success. The "make" command will
fail instead. The reason of the configure failure was that the SSL
library was not found.
If you have this problem you will find the line
configure: error: No OpenSSL or SSLeay found
in the configure output. SSL is not required to build Erlang/OTP, do
% ./configure --without-ssl
or find out where your SSL files are and do
% ./configure --with-ssl=PATH-TO-SSL-TOP-DIR
---------------------------------------------------------------------------
The patch handling was changed so now there are new releases and one
patch to get you from the previous release to the current release. In
more detail:
1. We release fully tested source base releases. This is R7B-0,
R8A-0, i.e. those ending in "-0".
2. We release selected source snapshots. This is snapshots that
contains important changes and that passed the testing. These
snapshots will be named R7B-1, R7B-2, ......
3. We will release combined patches, i.e. one large patch that
patch from R7B-0 to R7B-1, a second one from R7B-1 to R7B-2
etc. Note that the result after patching will not be exactly
the same as the snapshot. Some precompiled BEAM files in the
bootstrap part may differ.
4. When a move from one source release to the next require changes
in the bootstrap compiler, then there will be no patch to
upgrade. This forces a complete source release download with
the correct binary BEAM files.
5. Binary releases for Linux, FreeBSD and Windows will be built
from the complete source snapshots, i.e. not from a base source
release with applied patches.
---------------------------------------------------------------------------
The changes from the previous patch level are
runtime_tools/kernel/erts
OTP-3401 Heart could time out due to system time adjustments. Heart
is now modified to use timestamps unrelated to system dates.
OTP-3815 zlib in the emulator (used during compress/decompress of
files) did not use the right memory allocation routines
on vxworks.
OTP-3819 Instability problems in the erlang emulator introduced in R7
are now corrected:
- The R7B01 emulator may now be restarted after halting
without rebooting the VxWorks node.
- Parallel portprogrm execution no longer may cause memory
access errors in tExecTask.
- Use of list_to_binary may no longer cause stack overruns
for the emulator.
OTP-3824 Name clashes between Erlang emulator and erl_interface
on VxWorks removed.
OTP-3832 A bug in efile_drv that randomly caused memory access
violation when using file:get_cwd() has been fixed.
OTP-3845 In some cases, the debugger would in a call to undefined
function erts_debug:apply/4.
OTP-3888 Running erlang in an console on Windows (erl) no longer
causes output from erlang to be blocked. Using Ctrl-C to
interrupt emulator now works as expected.
OTP-3747 A number of bug fixes and improvements have been done
OTP-3592 to applications runtime_tools,
OTP-3744 kernel and erts:
- A read timeout no longer resets the sequential
trace token. This is an incompatibility towards
the previous behaviour. Use seq_trace:set_token([])
to reset the sequential trace token.
- seq_trace:get_token/0 and seq_trace:set_token/1 now
have compatible token formats.
- dbg:trace_port/2 and dbg:trace_client/2,3 now supports
trace to and read from a size limited "wrap file set".
- dbg:trace_port_control/1 now supports operation
get_listen_port for the ip trace driver.
- New match spec functions {is_seq_trace} and
{get_seq_trace} has been added to test and
read the sequential trace token in match specs.
- New match spec functions {get_tcw} and {set_tcw Value}
that reads and sets a "trace control word" in the node
has been added. The "trace control word" is a word in
each Erlang node of at least 24 bits. There are also
enhancements of BIFs erlang:system_info(trace_control_word)
and erlang:system_flag(trace_control_word, Value)
for the same purpose.
- A new match spec function {silent, TrueOrFalse} for
setting a silent call trace flag per process that inhibits
call trace messages, both local and global, has
been added. The BIF erlang:trace/3 has been extended to
recognize the flag 'silent' to start a call
trace in silent mode.
- Some bugs in the dbg module has been fixed, e.g the
'old_trace_call' flag has been removed from the 'all'
flags list, and the dbg server no longer hangs if the
supplied tracer fails to start.
- A bug in the emulator that made 'EXIT' messages
from a process involved in a sequential call trace
get overwritten by the sequential trace token
itself has been fixed.
- The documentation regarding the above has
been updated. Especially, the fact that the match spec
function {return_trace} destroys the
tail recursiveness of the traced function has been
pointed out.
asn1
OTP-3830 PER: Trailing zeroes in a BIT STRING declared without named
bits should not be removed in the encodings.
OTP-3713 PER: Constraints are not propagated when types are
referring to each other. Example:
TBCD-STRING ::= OCTET STRING
LAI ::= TBCD-STRING (SIZE(3))
The size constraint is not passed on during encode,decode
resulting in wrong encoding for PER , it is
coded with a length determinant which should not be there
when the length is fixed. For BER this does not matter
because the constraints does
not affect the encodings.
OTP-3796 The generated code gets wrong if there are several ENUMERATED
fields in a SEQUENCE or SET.
OTP-3811 BER:Decode of a type T ::= SEQUENCE OF C fails if C is
encoded with indefinite length.
compiler
OTP-3831 Modules containing long literals string concatenated with
variables would take long time to compile and the beam module
would be unecesserialy large.
OTP-3885 By default, debug information is no longer included in
beam modules. Use the compiler option debug_info
to include debug information.
debugger
OTP-3829 The debugger could not be run in embedded mode, because the
dbg_ets module was not listed in the app file.
OTP-3845 In some cases, the debugger would in a call to undefined
function erts_debug:apply/4.
erl_interface
OTP-3809 A race-condition bug in the term allocation routines was
corrected.
OTP-3810 erl_interface could not be linked with pthreads.
OTP-3820 The TCB of VxWorks processes no longer grows when erl_errno
is accessed. On Pthreads plattforms the use of erl_errno no
longer crashes programs using multithreading.
OTP-3824 Name clashes between Erlang emulator and erl_interface
on VxWorks removed.
gs
OTP-3789 A timing problem sometimes caused a crash when a window
was destroyed.
inets
-------- Better handling of invalid server response (e.g. as a result
of an erroneous server config).
OTP-3892 Invalid guard in function ftp:open/2. This problem exist
only in inets-2.5.4. Use ftp:open/3 instead.
OTP-3751 Support for choosing port number when opening FTP connection.
It is now possible to open a connection using a user specified
port number. Default is still 21.
OTP-3755 Wrong return value from FTP function recv_bin. The function
actually returned: {ok,{ok,binary()}} instead of {ok,binary()}
OTP-3793 The HTTP server hangs due to unhandled info:
{'EXIT',<0.12542.6>,badsig} Crash of the listener process
for this reason not handled.
kernel
OTP-3773 A hanging bug in the protocol between dist_ac and
application_controller has been fixed. It occurred
when dist_ac had stopped an application with
{ac_change_application_req,AppName,stop_it} and then
tried to start it with {ac_change_application_req,
AppName,{takeover,FromNode,RestartType}}.
OTP-3780 If a new application was added using code:replace_path/2,
the code:lib_dir/1 function would fail on the new application
name.
OTP-3798 The internal inet_db counter next_id did not keep within
the bounds [0, 65535] imposed by DNS query field width.
The reply was then not recognized since the reply
id was truncated to 16 bits. This bug is now fixed.
OTP-3807 The default receive buffer size for UDP has been
restored to 8192 bytes, which it was before R7.
OTP-3823 gen_upd:recv/2,3 now works better. The option
combination [binary, {active, false}] was broken.
OTP-3836 gen_tcp:connect/3,4, and gen_udp:send/4 now exits with
badarg if an IP address tuple with a field
integer value that is is not in the range 0 through
255 is passed as argument. Previously this caused a
function clause.
OTP-3883 The function inet:gethostbyname/2,3 sometimes returned
{error, timeout} when failing to lookup a name. This
has been changed to the more appropriate response
{error, nxdomain}.
OTP-3886 The function inet:gethostbyname/2,3 now accepts an
IP-string as the Name argument for all resolver
types. This previously did not work for the built in
DNS resolver, nor for the /etc/hosts file resolver.
OTP-3887 The native version of the resolver for erlang no longer may
crash the system due to external causes like catatonic DNS
servers.
OTP-3894 When a host machine was misconfigured so that
inet:gethostbyname/1 returned an empty hostname
for the host on which an erlang node was started,
inet_config crashed with a function clause during node
start on some platforms. This has now been fixed.
stdlib
OTP-3909 Dets file repair failed with {error, eaccess} on the Windows
platforms in stdlib-1.9.3 (patched R7B). This is now corrected
and dets files can be repaired.
OTP-3877 Ets:info/2 and dets:info/2 no longer returns values other than
'undefined' for non existing ets/dets tables. The behaviour is
now as described in the documentation.
OTP-3882 The (betatest) ets:select/2 call in R7B may no longer
crash the emulator. This only affects customers beta testing
this functionality.
OTP-3746 The ets module now contains iterator functions
foldl/3 and foldr/3 analogous to the ones
in the lists module.
OTP-3782 Somewhat faster repair of dets files.
tools
OTP-3879 The functions xref:m/1 and xref:d/1 return
a list of undefined functions in case the BEAM files do not
contain debug information.