may be send this mail in the vm mailing-list Stef
On Dec 24, 2010, at 3:54 AM, Hernán Morales Durand wrote: > Laurent, not much progress here :( > I just reproduced the Unix VM crash. First I've linked the library so > we do not have to change every module name call > > u...@ubuntu:/usr/lib$ ln -T -s /usr/lib/libyaz.so.3.0.0 yaz > > and I've tried to execute the library tracer in the shell script > > ltrace -f -l /usr/lib/libyaz.so.3.0.0 -o out.txt "$BASE/squeakvm" \ > -plugins "$BASE" \ > -encoding latin1 \ > -vm-display-X11 \ > "$ROOT/Contents/Resources/pharo.image" > > but it crash the VM too with an unhandled exception even before the > GUI is displayed. > What I've observed is that every FFI call which receives an > ExternalStructure as parameter kills the VM. This is weird because > this doesn't happen in the Windows VM. I ran this little script I use > to debug the library > > | conn lib rs rsSize records | > lib := Z3950FFILibrary default. > conn := lib > createConnectionTo: #Alabama asZ3950Server hostName > port: 7090. > lib createOptions. > lib > setConnection: conn > optionName: 'preferredRecordSyntax' > optionValue: 'USMARC'. > rs := lib > searchPqf: conn > query: '@attr 1=1003 collins'. > rsSize := lib resultSetSize: rs. > rsSize > 0 > ifFalse: [ 'no results' ]. > records := Array new: rsSize. > 0 to: rsSize - 1 do: [: pos | > record := lib resultSetRecord: rs position: pos. > record isNil not > ifTrue: [ > records > at: pos + 1 > put: ( lib > getRecord: record > function: 'render; charset=marc8, > iso8859-1' > length: nil ). ] ]. > records > > and the the doIt just hangs the VM, the console output going through > the Debugger is the following: > > Segmentation fault > > -1370902312 ContextPart>doPrimitive:method:receiver:args: > -1370902404 ContextPart>tryPrimitiveFor:receiver:args: > -1370902788 ContextPart>send:to:with:super: > -1370902896 ContextPart>send:super:numArgs: > -1370902988 InstructionStream>interpretExtension:in:for: > -1370903080 InstructionStream>interpretNextInstructionFor: > -1370903172 ContextPart>step > -1370903280 Process>step > -1370903372 Process>step: > -1370920392 Debugger>send > -1370937720 PluggableButtonMorph>performAction > -1370937812 PluggableButtonMorph>mouseUp: > -1370937996 SequenceableCollection>do: > -1370957140 PluggableButtonMorph>mouseUp: > -1370957232 Morph>handleMouseUp: > -1370957324 MouseButtonEvent>sentTo: > -1370957416 Morph>handleEvent: > -1370957584 Morph>handleFocusEvent: > -1370957676 HandMorph>sendFocusEvent:to:clear: > -1370957768 PasteUpMorph>becomeActiveDuring: > -1370957860 BlockClosure>on:do: > -1370957992 PasteUpMorph>becomeActiveDuring: > -1370958084 HandMorph>sendFocusEvent:to:clear: > -1370958260 HandMorph>sendEvent:focus:clear: > -1370958352 HandMorph>sendMouseEvent: > -1370958444 HandMorph>handleEvent: > -1370966728 HandMorph>processEvents > -1370966836 WorldState>doOneCycleNowFor: > -1370966952 SequenceableCollection>do: > -1370967044 WorldState>handsDo: > -1370967136 WorldState>doOneCycleNowFor: > -1370969680 WorldState>doOneCycleFor: > -1370969772 PasteUpMorph>doOneCycle > -1383611064 >spawnNewProcess > -1383611192 BlockClosure>newProcess > Aborted > > it would be nice if someone could tell something about debugging FFI > calls, or just any idea to try. > Cheers, > > Hernán > > 2010/12/23 laurent laffont <laurent.laff...@gmail.com>: >> Hi, >> I have unmangled all function names. Image also crashes when evaluating the >> Kant test. (but this time I get ILLEGAL INSTRUCTION on strace). I've tried >> with Cog and the VM in the Seaside OneClick. >> I've uploaded the modified packages on squeaksource >> here: http://www.squeaksource.com/LaurentLSandbox.html (you can use >> Z3950Slice to load all at once). >> Laurent >> >> >> >> On Thu, Dec 23, 2010 at 1:57 AM, Hernán Morales Durand >> <hernan.mora...@gmail.com> wrote: >>> >>> Hi Laurent, >>> >>> Thanks for the feedback, I've uploaded the repository with the missing >>> method but I cannot reproduce the crash in Windows. Have you unmangled >>> every function name tested? Are you running just the >>> Z3950FFILibraryTest? Notice the Z3950FFIServerLibraryTest tests are >>> performed against a Z39.50 server running in local host, otherwise >>> will fail (however that shouldn't crash the VM), so you may want to >>> run only the Z3950FFILibraryTest suite. If you or anyone want a local >>> Zebra server for Win32 - although most configuration files should work >>> with other platforms - for testing purposes please let me know. >>> >>> Does the Kant test crash the VM too? >>> >>> Z3950Client new >>> server: #Acadia; >>> query: ( Z3950Query new author: 'Kant' ). >>> >>> (see http://67.222.12.200:8889/WebOpus/52 for sample successful results) >>> >>> I will set up a Linux box tomorrow and try to reproduce there. >>> Cheers, >>> >>> 2010/12/22 laurent laffont <laurent.laff...@gmail.com>: >>>> Hi Hernan, >>>> finally I switch back to Linux to make it work, OSX gives me headaches. >>>> So on linux the yaz module is found. I get the "Unable to find function >>>> address" but I found that writing: >>>> <cdecl: ZOOMOptions 'ZOOM_options_create' (void) module: 'yaz'> >>>> instead of >>>> <cdecl: ZOOMOptions '_zoom_options_cre...@0' (void) module: 'yaz3'> >>>> works. If I understand, function names are not mangled when compiling >>>> with >>>> gcc on Linux. >>>> >>>> Trying to run tests I've also had a "could not coerce arguments" in >>>> Z3950FFILibrary>>createConnectionTo:port because >>>> Z3950TestCase>>portNumber >>>> answers a String and >>>> <cdecl: ZOOMConnection 'ZOOM_connection_new' (char* short) module: >>>> 'yaz'> >>>> so it's waiting for a short. I've replaced portNumber to answer a >>>> SmallInteger. >>>> And now the image crashes on connectionIsIdle call: >>>> write(1, "\ncreateConnectionTo:port:", 25) = 25 >>>> write(1, "\nconnectionIsIdle:", 18) = 18 >>>> rt_sigprocmask(SIG_UNBLOCK, [ABRT], NULL, 8) = 0 >>>> write(1, "\n", 1) = 1 >>>> tgkill(25830, 25830, SIGABRT) = 0 >>>> --- SIGABRT (Aborted) @ 0 (0) --- >>>> >>>> Any idea ? >>>> >>>> Laurent Laffont >>>> >>>> On Tue, Dec 21, 2010 at 7:58 AM, laurent laffont >>>> <laurent.laff...@gmail.com> >>>> wrote: >>>>> >>>>> The module is found ! How: >>>>> - Using VM Squeak 5.8b12 2 (instead of Cog or the VM provided in >>>>> Seaside >>>>> One-Click image) >>>>> - go in Squeak\ 5.8b12\ 2.app/Contents/Resources/, then ln -s >>>>> /usr/local/lib/libyaz.3.dylib . >>>>> Now I have the "Unable to find function address" you have talked >>>>> earlier >>>>> :) I will look at the mangled function names. >>>>> >>>>> Laurent --- on the road to the FFI mountain. >>>>> >>>>> On Tue, Dec 21, 2010 at 6:59 AM, Hernán Morales Durand >>>>> <hernan.mora...@gmail.com> wrote: >>>>>> >>>>>> Laurent, >>>>>> I forward this e-mail to the squeak mailing list, may be someone there >>>>>> have a better idea how the OSX VM works. BTW there are more >>>>>> commentaries here >>>>>> >>>>>> >>>>>> http://forum.world.st/squeak-dev-Alien-amp-Squeak-FFI-issues-on-Snow-Leopard-td85608.html >>>>>> Cheers, >>>>>> >>>>>> Hernán >>>>>> >>>>>> 2010/12/20 laurent laffont <laurent.laff...@gmail.com>: >>>>>>> Hi Hernan, >>>>>>> the strace equivalent on OSX seems to be dtruss (yes I'm learning >>>>>>> OSX >>>>>>> too :) >>>>>>> sudo dtruss -p [pid of process] >>>>>>> in the trace I have this: >>>>>>> >>>>>>> >>>>>>> stat("/Users/laurentlaffont/Downloads/Seaside.app/Contents/Resources/yaz3.bundle/Contents/MacOS/yaz3\0", >>>>>>> 0xBFF59440, 0xBFF5AB28) = -1 Err#2 >>>>>>> >>>>>>> >>>>>>> stat64("/Users/laurentlaffont/Downloads/Seaside.app/Contents/Resources/yaz3.bundle/Contents/MacOS/yaz3\0", >>>>>>> 0xBFF5892C, 0xBFF5AB28) = -1 Err#2 >>>>>>> >>>>>>> >>>>>>> stat("/Users/laurentlaffont/Downloads/Seaside.app/Contents/Resources/yaz3\0", >>>>>>> 0xBFF59440, 0xBFF5AB28) = 0 0 >>>>>>> >>>>>>> >>>>>>> stat64("/Users/laurentlaffont/Downloads/Seaside.app/Contents/Resources/yaz3\0", >>>>>>> 0xBFF5892C, 0xBFF5AB28) = 0 0 >>>>>>> >>>>>>> >>>>>>> open("/Users/laurentlaffont/Downloads/Seaside.app/Contents/Resources/yaz3\0", >>>>>>> 0x0, 0x0) = 12 0 >>>>>>> pread(0xC, "\317\372\355\376\a\0", 0x1000, 0x0) = 4096 0 >>>>>>> close(0xC) = 0 0 >>>>>>> >>>>>>> >>>>>>> stat("/Users/laurentlaffont/Downloads/Plugins/yaz3.bundle/Contents/MacOS/yaz3\0", >>>>>>> 0xBFF59440, 0x1000) = -1 Err#2 >>>>>>> >>>>>>> >>>>>>> stat64("/Users/laurentlaffont/Downloads/Plugins/yaz3.bundle/Contents/MacOS/yaz3\0", >>>>>>> 0xBFF5892C, 0x1000) = -1 Err#2 >>>>>>> stat("/Users/laurentlaffont/Downloads/Plugins/yaz3\0", 0xBFF59440, >>>>>>> 0x1000) = >>>>>>> -1 Err#2 >>>>>>> stat64("/Users/laurentlaffont/Downloads/Plugins/yaz3\0", 0xBFF5892C, >>>>>>> 0x1000) >>>>>>> = -1 Err#2 >>>>>>> >>>>>>> so it looks like the VM is trying to find yaz3 at non standard Unix >>>>>>> places >>>>>>> (I don't know if it's SqueakVM or OSX related). >>>>>>> I've created Contents/Resources/yaz3.bundle/Contents/MacOS/, put yaz >>>>>>> lib >>>>>>> there, ln -s libyaz.3.dylib yaz3 but no success. >>>>>>> >>>>>>> I've read good >>>>>>> post http://forum.world.st/FFI-Documentation-td2225150.html : >>>>>>> >>>>>>> Module Location - where the external library file lives >>>>>>> - depends on the platform >>>>>>> - Mac >>>>>>> - pre Snow Leopard >>>>>>> - checks VM path and common library >>>>>>> paths >>>>>>> - Snow Leopard >>>>>>> - only looks in VM bundle's Resources >>>>>>> file, you must either [5]: >>>>>>> - store all external libraries >>>>>>> there >>>>>>> - ln -s path/to/library >>>>>>> path/to/VM/Resources/library_name >>>>>>> - Change the VM's Info.plist >>>>>>> "SqueakPluginsBuiltInOrLocalOnly" key from >>>>>>> "true" to "false." >>>>>>> >>>>>>> For this SqueakPluginsBuiltInOrLocalOnly I suppose I need to compile >>>>>>> a >>>>>>> VM ? >>>>>>> Cheers, >>>>>>> Laurent Laffont >>>>>>> >>>>>>> >>>>>>> On Mon, Dec 20, 2010 at 4:12 PM, Hernán Morales Durand >>>>>>> <hernan.mora...@gmail.com> wrote: >>>>>>>> >>>>>>>> Hi Laurent >>>>>>>> >>>>>>>> I've read there is a couple of system calll monitors in MacOS, >>>>>>>> ktrace >>>>>>>> and dtrace (http://en.wikipedia.org/wiki/Ktrace , >>>>>>>> http://en.wikipedia.org/wiki/DTrace) so you may attach to the VM >>>>>>>> and >>>>>>>> see what's missing? >>>>>>>> Cheers, >>>>>>>> >>>>>>>> Hernán >>>>>>>> >>>>>>>> 2010/12/20 laurent laffont <laurent.laff...@gmail.com>: >>>>>>>>> Thanks Hernan. >>>>>>>>> It still doesn't work. I've also tried to play with LD_LOAD_PATH >>>>>>>>> / >>>>>>>>> LD_LIBRARY_PATH no success.... I want to make it work so I need >>>>>>>>> to >>>>>>>>> learn >>>>>>>>> :) >>>>>>>>> >>>>>>>>> For the mangled function names, on Linux and OSX there's nm. >>>>>>>>> Here's what I get: >>>>>>>>> $ nm -g libyaz.3.dylib | grep ZOOM_connection_create >>>>>>>>> 0000000000046a30 T _ZOOM_connection_create >>>>>>>>> Cheers, >>>>>>>>> Laurent >>>>>>>>> >>>>>>>>> On Sun, Dec 19, 2010 at 6:23 PM, Hernán Morales Durand >>>>>>>>> <hernan.mora...@gmail.com> wrote: >>>>>>>>>> >>>>>>>>>> Hi Laurent, >>>>>>>>>> >>>>>>>>>> Thanks for reporting. The correct #moduleName for MacOS was >>>>>>>>>> missing, >>>>>>>>>> I've uploaded a new version answering 'libyaz.3.dylib' which I >>>>>>>>>> guess >>>>>>>>>> is the corresponding for 'yaz3.dll' (according to >>>>>>>>>> http://en.wikipedia.org/wiki/Dynamic_library#Naming ). >>>>>>>>>> >>>>>>>>>> I haven't access to a MacOS, but in Windows I've had to find the >>>>>>>>>> mangled function names (i.e. _zoom_connection_cre...@4) so FFI >>>>>>>>>> can >>>>>>>>>> find the function addresses and you don't get the classic >>>>>>>>>> "Error: >>>>>>>>>> Unable to find function address". I don't know if it's related >>>>>>>>>> since >>>>>>>>>> talks about C++, but you may want to check >>>>>>>>>> http://wiki.squeak.org/squeak/3735 >>>>>>>>>> >>>>>>>>>> The tool I've used to find the mangled function names in Windows >>>>>>>>>> is >>>>>>>>>> the Steve Miller's Dependency Walker >>>>>>>>>> http://www.dependencywalker.com/ >>>>>>>>>> >>>>>>>>>> 2010/12/19 laurent laffont <laurent.laff...@gmail.com>: >>>>>>>>>>> Hi, >>>>>>>>>>> >>>>>>>>>>> I want to use http://www.squeaksource.com/Z3950 >>>>>>>>>>> Following install instructions, I've dowloaded yaz sources >>>>>>>>>>> (I've >>>>>>>>>>> tried >>>>>>>>>>> 4.1.2 >>>>>>>>>>> and 3.0.52) as it seems there's no binary for OSX, ./configure >>>>>>>>>>> && make >>>>>>>>>>> && >>>>>>>>>>> make install. >>>>>>>>>>> Then using latest Seaside One Click image I've copied >>>>>>>>>>> /usr/local/lib/*yaz* >>>>>>>>>>> in Seaside.app/Contents/MacOS >>>>>>>>>>> $ ls ~/Downloads/Seaside.app/Contents/MacOS/ >>>>>>>>>>> Squeak VM Opt libyaz.a libyaz.la >>>>>>>>>>> libyaz_icu.a libyaz_icu.la libyaz_server.a >>>>>>>>>>> libyaz_server.la libyaz.3.dylib libyaz.dylib >>>>>>>>>>> libyaz_icu.3.dylib libyaz_icu.dylib >>>>>>>>>>> libyaz_server.3.dylib >>>>>>>>>>> libyaz_server.dylib >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> But then I have a External Module Not Found on >>>>>>>>>>> YAZPQFFFILibrary>>createParser >>>>>>>>>>> " YAZPQDFFILibrary default createParser " >>>>>>>>>>> <cdecl: YAZPQFParser 'yaz_pqf_create' (void) module: 'yaz3'> >>>>>>>>>>> ^ self externalCallFailed >>>>>>>>>>> >>>>>>>>>>> Any hint ? >>>>>>>>>>> Cheers, >>>>>>>>>>> Laurent Laffont -- FFI newbie >>>>>>>>>>> >>>>>>>>>>> Pharo Smalltalk Screencasts: http://www.pharocasts.com/ >>>>>>>>>>> Blog: http://magaloma.blogspot.com/ >>>>>>>>>>> >>>>>>>>>> >>>>>>>>>> -- >>>>>>>>>> Hernán Morales >>>>>>>>>> Information Technology Manager, >>>>>>>>>> Institute of Veterinary Genetics. >>>>>>>>>> National Scientific and Technical Research Council (CONICET). >>>>>>>>>> La Plata (1900), Buenos Aires, Argentina. >>>>>>>>>> Telephone: +54 (0221) 421-1799. >>>>>>>>>> Internal: 422 >>>>>>>>>> Fax: 425-7980 or 421-1799. >>>>>>>>> >
