Just to try into another direction: if you comment out the line: parse_iso_codes (base_lang_list, NULL); (line 173 in app/widgets/gimplanguagestore-parser.c) Do you still have the crash? And if yes, the same trace? Jehan On Sun, Jul 28, 2013 at 4:22 PM, Jehan Pagès <jehan.marmottard@xxxxxxxxx> wrote: > Hmmm... NULL nowhere, no strange values, nothing. Did the trace still > say it happened at strchr() inside gimp_language_store_parser_init ()? > > Jehan > > On Sun, Jul 28, 2013 at 4:16 PM, Partha Bagchi <partha1b@xxxxxxxxx> wrote: >> Hi Jehan, >> >> Here is the output from the crash. >> >> Hope it's helpful. I don't see anything myself. :( >> >> Thanks! >> Partha >> >> >> >> >> On Sat, Jul 27, 2013 at 11:47 PM, Jehan Pagès <jehan.marmottard@xxxxxxxxx> >> wrote: >>> >>> Hey Partha, su_v, >>> >>> could you test the following patch: >>> - copy it in your GIMP directory; >>> - apply it with this command from the GIMP directory: >>> patch -p0 < osx_crash.diff >>> - compile and try again. >>> >>> I believe it would not fix your crash, because I did not change the >>> calls where your traces say it happens. Problem is that it apparently >>> crashes at strchr() but there are 5 of them in this function. Looking >>> at what seems to be the code in MacOSX of strchr(), looks like it may >>> be when the string is NULL, but in my code, I don't see anywhere where >>> this is supposed to be possible. >>> So unless you can run a debugger to know which exact strchr() line it >>> happens at, I added some debug output in the code. Just copy paste >>> anything which may be outputted before crash. >>> You will most likely have a whole bunch of lines on screen because I >>> want to cover as much ground as possible, so you can run like this: >>> $ ./gimp-2.9 --verbose >output.txt >>> >>> Then send me the output.txt after the crash occurs. >>> Thanks. >>> >>> Jehan >>> >>> >>> On Sun, Jul 28, 2013 at 1:47 PM, Jehan Pagès <jehan.marmottard@xxxxxxxxx> >>> wrote: >>> > Argh! I should nearly have a Mac just to test code there! uhuh >>> > Let me have a look. :-) >>> > >>> > Jehan >>> > >>> > On Sun, Jul 28, 2013 at 10:39 AM, Partha Bagchi <partha1b@xxxxxxxxx> >>> > wrote: >>> >> Should have mentioned the segfault is related to >>> >> gimp_language_store_parser_init () >>> >> >>> >> __________________________________________________________________________ >>> >> ./gimp-2.9 --verbose >>> >> Cannot spawn a message bus without a machine-id: Unable to load >>> >> /var/lib/dbus/machine-id or /etc/machine-id: Failed to open file >>> >> '/var/lib/dbus/machine-id': No such file or directory >>> >> This is a development version of GIMP. Debug messages may appear here. >>> >> >>> >> INIT: gimp_load_config >>> >> Parsing '/Users/partha/Library/Application Support/GIMP/2.9/unitrc' >>> >> Parsing >>> >> >>> >> '/Users/partha/projects/src/gimp/Gimp-2.9.app/Contents/Resources/etc/gimp/2.0/gimprc' >>> >> Parsing '/Users/partha/Library/Application Support/GIMP/2.9/gimprc' >>> >> ./gimp-2.9: fatal error: Segmentation fault: 11 >>> >> ./gimp-2.9 (pid:63964): [E]xit, [H]alt, show [S]tack trace or >>> >> [P]roceed: S >>> >> #0 0x00007fff8b970698 in __wait4 () >>> >> #1 0x0000000101868353 in g_on_error_stack_trace () >>> >> #2 0x00000001018687f2 in g_on_error_query () >>> >> #3 0x000000010000dee4 in gimp_eek () >>> >> #4 0x000000010000df58 in gimp_fatal_error () >>> >> #5 0x000000010000e7b6 in gimp_sigfatal_handler () >>> >> #6 <signal handler called> >>> >> #7 0x00007fff8cb0a60b in strchr () >>> >> #8 0x0000000100167614 in gimp_language_store_parser_init () >>> >> #9 0x0000000100012c75 in gui_init () >>> >> #10 0x000000010000d890 in app_run () >>> >> #11 0x000000010000fe24 in main () >>> >> >>> >> __________________________________________________________________________ >>> >> >>> >> Thanks, >>> >> Partha >>> >> >>> >> >>> >> On Sat, Jul 27, 2013 at 3:01 PM, Partha Bagchi <partha1b@xxxxxxxxx> >>> >> wrote: >>> >>> >>> >>> Jehan, >>> >>> >>> >>> Looks like the segfault is back? >>> >>> >>> >>> Thanks, >>> >>> Partha >>> >>> >>> >>> >>> >>> >>> >>> On Fri, Jul 19, 2013 at 7:12 AM, Partha Bagchi <partha1b@xxxxxxxxx> >>> >>> wrote: >>> >>>> >>> >>>> Jehan, >>> >>>> >>> >>>> Thumbs up! All good now. It didn't crash and I was able to open >>> >>>> images >>> >>>> etc. >>> >>>> >>> >>>> Thanks again, >>> >>>> Partha >>> >>>> >>> >>>> >>> >>>> >>> >>>> On Thu, Jul 18, 2013 at 10:56 PM, Jehan Pagès >>> >>>> <jehan.marmottard@xxxxxxxxx> wrote: >>> >>>>> >>> >>>>> Hey Partha, >>> >>>>> >>> >>>>> you can pull and test now. I made a simple commit where I only take >>> >>>>> care of the unset env variable issue. Hopefully this will fix the >>> >>>>> OSX >>> >>>>> crash. I'll handle the other issue I discovered about not being >>> >>>>> thread-safe later. >>> >>>>> Tell me how it goes. :-) >>> >>>>> >>> >>>>> Jehan >>> >>>>> >>> >>>>> On Fri, Jul 19, 2013 at 11:26 AM, Jehan Pagès >>> >>>>> <jehan.marmottard@xxxxxxxxx> wrote: >>> >>>>> > Partha, >>> >>>>> > >>> >>>>> > nothing pushed yet. I'll do this and send a message. :-) >>> >>>>> > >>> >>>>> > Jehan >>> >>>>> > >>> >>>>> > On Fri, Jul 19, 2013 at 11:21 AM, Partha Bagchi >>> >>>>> > <partha1b@xxxxxxxxx> >>> >>>>> > wrote: >>> >>>>> >> Jehan, >>> >>>>> >> >>> >>>>> >> Do you want me to go ahead test the current code or wait for you >>> >>>>> >> to >>> >>>>> >> add >>> >>>>> >> additional logic? >>> >>>>> >> >>> >>>>> >> Thanks! >>> >>>>> >> Partha >>> >>>>> >> >>> >>>>> >> >>> >>>>> >> >>> >>>>> >> On Thu, Jul 18, 2013 at 10:04 PM, Jehan Pagès >>> >>>>> >> <jehan.marmottard@xxxxxxxxx> >>> >>>>> >> wrote: >>> >>>>> >>> >>> >>>>> >>> Hi, >>> >>>>> >>> >>> >>>>> >>> I searched a little more though, and it seems on BSDs, hence on >>> >>>>> >>> OSX, >>> >>>>> >>> indeed setenv with a NULL value could crash the program. The >>> >>>>> >>> setenv >>> >>>>> >>> in >>> >>>>> >>> GNU libc on the other hand perfectly handles the case >>> >>>>> >>> explicitly. >>> >>>>> >>> So obviously when I see this kind of code (note I am not 100% >>> >>>>> >>> sure >>> >>>>> >>> this is the code for Darwin on Mountain Lion but I can't find a >>> >>>>> >>> reference linking the libc numbers there and the Darwin version >>> >>>>> >>> 10.8, >>> >>>>> >>> but I assume that should be a similar code): >>> >>>>> >>> >>> >>>>> >>> >>> >>>>> >>> >>> >>>>> >>> http://www.opensource.apple.com/source/Libc/Libc-825.26/stdlib/FreeBSD/setenv.c >>> >>>>> >>> >>> >>>>> >>> Before any test on the value pointer, it dereferences it (which >>> >>>>> >>> is >>> >>>>> >>> undefined!), and read the content of the non-existing first >>> >>>>> >>> character >>> >>>>> >>> of the NULL string (which I assume would crash!): >>> >>>>> >>> >>> >>>>> >>> if (*value == '=') /* no `=' in value */ >>> >>>>> >>> ++value; >>> >>>>> >>> >>> >>>>> >>> I don't know what is the policy on BSD but I thought they were >>> >>>>> >>> very >>> >>>>> >>> keen on security, but this code does not look very sane to me. >>> >>>>> >>> So yeah anyway that's a problem too in the end. I'll deal with >>> >>>>> >>> it. >>> >>>>> >>> >>> >>>>> >>> Jehan >>> >>>>> >>> >>> >>>>> >>> >>> >>>>> >>> On Fri, Jul 19, 2013 at 7:14 AM, Partha Bagchi >>> >>>>> >>> <partha1b@xxxxxxxxx> >>> >>>>> >>> wrote: >>> >>>>> >>> > Jehan, >>> >>>>> >>> > >>> >>>>> >>> > I will test it tomorrow. I will get back to you with the >>> >>>>> >>> > results. >>> >>>>> >>> > >>> >>>>> >>> > Thanks for your prompt response! >>> >>>>> >>> > >>> >>>>> >>> > Partha >>> >>>>> >>> > >>> >>>>> >>> > >>> >>>>> >>> > >>> >>>>> >>> > On Thu, Jul 18, 2013 at 11:42 AM, Jehan Pagès >>> >>>>> >>> > <jehan.marmottard@xxxxxxxxx> >>> >>>>> >>> > wrote: >>> >>>>> >>> >> >>> >>>>> >>> >> Hi again, >>> >>>>> >>> >> >>> >>>>> >>> >> I have some working code in my working branch now where I >>> >>>>> >>> >> applied >>> >>>>> >>> >> the >>> >>>>> >>> >> concepts I wrote about (basically initializing the language >>> >>>>> >>> >> store >>> >>>>> >>> >> only >>> >>>>> >>> >> once and at the very start of the program, before any >>> >>>>> >>> >> threading >>> >>>>> >>> >> would >>> >>>>> >>> >> occur hopefully). >>> >>>>> >>> >> Don't know if that will be the finale code, but should be at >>> >>>>> >>> >> least >>> >>>>> >>> >> good enough to test on OSX (I don't have access to a OSX >>> >>>>> >>> >> machine >>> >>>>> >>> >> to >>> >>>>> >>> >> reproduce the bug myself and see if this indeed fixes the >>> >>>>> >>> >> issue). >>> >>>>> >>> >> As >>> >>>>> >>> >> soon as the report is up, I'll upload the patch there so that >>> >>>>> >>> >> someone >>> >>>>> >>> >> with OSX can test it and tell me if that fixes it. :-) >>> >>>>> >>> >> Thanks. >>> >>>>> >>> >> >>> >>>>> >>> >> Jehan >>> >>>>> >>> >> >>> >>>>> >>> >> >>> >>>>> >>> >> On Thu, Jul 18, 2013 at 9:47 PM, Jehan Pagès >>> >>>>> >>> >> <jehan.marmottard@xxxxxxxxx> >>> >>>>> >>> >> wrote: >>> >>>>> >>> >> > Hey all, >>> >>>>> >>> >> > >>> >>>>> >>> >> > it seems I am the culprit for this bug. I don't have this >>> >>>>> >>> >> > crash >>> >>>>> >>> >> > on >>> >>>>> >>> >> > Linux >>> >>>>> >>> >> > though. >>> >>>>> >>> >> > >>> >>>>> >>> >> > It looks like the implementation of setenv/getenv is >>> >>>>> >>> >> > different >>> >>>>> >>> >> > on >>> >>>>> >>> >> > OSX. >>> >>>>> >>> >> > According to glib doc, the problem may be that on some >>> >>>>> >>> >> > implementations, successive calls may use the same buffer. >>> >>>>> >>> >> > I >>> >>>>> >>> >> > guess >>> >>>>> >>> >> > that's the case on OSX. And also these calls are not >>> >>>>> >>> >> > thread-safe. >>> >>>>> >>> >> > Also >>> >>>>> >>> >> > the fact that there is no LANGUAGE env variable should >>> >>>>> >>> >> > normally >>> >>>>> >>> >> > not >>> >>>>> >>> >> > be >>> >>>>> >>> >> > a real problem. I don't have this variable set on my system >>> >>>>> >>> >> > either >>> >>>>> >>> >> > and, as I said, no crash here. I guess this brought the >>> >>>>> >>> >> > real >>> >>>>> >>> >> > issue of >>> >>>>> >>> >> > the OSX getenv/setenv implementation into light though. >>> >>>>> >>> >> > >>> >>>>> >>> >> > In any case, I think that the real solution is to have the >>> >>>>> >>> >> > list >>> >>>>> >>> >> > of >>> >>>>> >>> >> > all >>> >>>>> >>> >> > localized languages generated at startup, before any thread >>> >>>>> >>> >> > or >>> >>>>> >>> >> > anything happens (I just saw that's also what glib doc >>> >>>>> >>> >> > says: we >>> >>>>> >>> >> > should >>> >>>>> >>> >> > only use these calls on startup before any thread happens). >>> >>>>> >>> >> > Then we >>> >>>>> >>> >> > just use this pre-generated list each time it is needed. I >>> >>>>> >>> >> > was >>> >>>>> >>> >> > already >>> >>>>> >>> >> > thinking that the current design was bad anyway, because we >>> >>>>> >>> >> > are >>> >>>>> >>> >> > basically parsing a huge file of language codes and names >>> >>>>> >>> >> > each >>> >>>>> >>> >> > time >>> >>>>> >>> >> > we >>> >>>>> >>> >> > open the preference dialog! Such a waste of resources and >>> >>>>> >>> >> > time. >>> >>>>> >>> >> > I did not modify it at the time because I did not feel like >>> >>>>> >>> >> > using >>> >>>>> >>> >> > more >>> >>>>> >>> >> > time towards this, but I guess that should be the occasion >>> >>>>> >>> >> > to >>> >>>>> >>> >> > do it. >>> >>>>> >>> >> > >>> >>>>> >>> >> > In any case, please fill a bug report and I'll have a look! >>> >>>>> >>> >> > :-) >>> >>>>> >>> >> > >>> >>>>> >>> >> > Jehan >>> >>>>> >>> >> > >>> >>>>> >>> >> > >>> >>>>> >>> >> > On Thu, Jul 18, 2013 at 6:31 AM, Partha Bagchi >>> >>>>> >>> >> > <partha1b@xxxxxxxxx> >>> >>>>> >>> >> > wrote: >>> >>>>> >>> >> >> Hey V, >>> >>>>> >>> >> >> >>> >>>>> >>> >> >> Thanks for checking on this. I am glad (in a way) that my >>> >>>>> >>> >> >> system is >>> >>>>> >>> >> >> not >>> >>>>> >>> >> >> the >>> >>>>> >>> >> >> only one having this issue! :) >>> >>>>> >>> >> >> >>> >>>>> >>> >> >> I will try to revert the above changes and see if the >>> >>>>> >>> >> >> problem >>> >>>>> >>> >> >> disappears. >>> >>>>> >>> >> >> >>> >>>>> >>> >> >> Partha >>> >>>>> >>> >> >> >>> >>>>> >>> >> >> >>> >>>>> >>> >> >> >>> >>>>> >>> >> >> On Wed, Jul 17, 2013 at 7:51 AM, su_v >>> >>>>> >>> >> >> <suv-sf@xxxxxxxxxxxxxxxxxxxxx> >>> >>>>> >>> >> >> wrote: >>> >>>>> >>> >> >> >>> >>>>> >>> >> >>> On 2013-07-17 01:19 +0100, Partha Bagchi wrote: >>> >>>>> >>> >> >>> > My recent (last built a few moment ago) git builds >>> >>>>> >>> >> >>> > (2.9) >>> >>>>> >>> >> >>> > have >>> >>>>> >>> >> >>> > been >>> >>>>> >>> >> >>> > instantly segfaulting on MBR running Mountain Lion. >>> >>>>> >>> >> >>> > >>> >>>>> >>> >> >>> > gdb backtrace (or commandline execution) shows: >>> >>>>> >>> >> >>> > ./gimp-2.9 (pid:42315): [E]xit, [H]alt, show [S]tack >>> >>>>> >>> >> >>> > trace >>> >>>>> >>> >> >>> > or >>> >>>>> >>> >> >>> > [P]roceed: >>> >>>>> >>> >> >>> S >>> >>>>> >>> >> >>> > #0 0x00007fff8b257698 in __wait4 () >>> >>>>> >>> >> >>> > #1 0x00000001018de353 in g_on_error_stack_trace () >>> >>>>> >>> >> >>> > #2 0x00000001018de7f2 in g_on_error_query () >>> >>>>> >>> >> >>> > #3 0x000000010000fa54 in gimp_eek () >>> >>>>> >>> >> >>> > #4 0x000000010000fac8 in gimp_fatal_error () >>> >>>>> >>> >> >>> > #5 0x0000000100010326 in gimp_sigfatal_handler () >>> >>>>> >>> >> >>> > #6 <signal handler called> >>> >>>>> >>> >> >>> > #7 0x00007fff8c40887e in setenv () >>> >>>>> >>> >> >>> > #8 0x00000001018f76cf in g_setenv () >>> >>>>> >>> >> >>> > #9 0x0000000100168c11 in gimp_language_store_self_l10n >>> >>>>> >>> >> >>> > () >>> >>>>> >>> >> >>> > #10 0x0000000101915c99 in emit_start_element () >>> >>>>> >>> >> >>> > #11 0x00000001019170b0 in g_markup_parse_context_parse >>> >>>>> >>> >> >>> > () >>> >>>>> >>> >> >>> > #12 0x000000010035a7ba in >>> >>>>> >>> >> >>> > gimp_xml_parser_parse_io_channel >>> >>>>> >>> >> >>> > () >>> >>>>> >>> >> >>> > #13 0x000000010035a9ab in gimp_xml_parser_parse_file () >>> >>>>> >>> >> >>> > #14 0x0000000100168f71 in >>> >>>>> >>> >> >>> > gimp_language_store_parse_iso_codes () >>> >>>>> >>> >> >>> > #15 0x000000010188619b in g_object_new_internal () >>> >>>>> >>> >> >>> > #16 0x0000000101886cdd in g_object_newv () >>> >>>>> >>> >> >>> > #17 0x0000000101886edc in g_object_new () >>> >>>>> >>> >> >>> > #18 0x0000000100168025 in gimp_language_entry_new () >>> >>>>> >>> >> >>> > #19 0x000000010017cc00 in gimp_prop_language_entry_new >>> >>>>> >>> >> >>> > () >>> >>>>> >>> >> >>> > #20 0x00000001000a3df2 in gimp_text_options_gui () >>> >>>>> >>> >> >>> > #21 0x000000010005e9e6 in gimp_tools_restore () >>> >>>>> >>> >> >>> > #22 0x000000010001428b in gui_restore_callback () >>> >>>>> >>> >> >>> > #23 0x000000010187dd0d in g_closure_invoke () >>> >>>>> >>> >> >>> > #24 0x000000010189483b in signal_emit_unlocked_R () >>> >>>>> >>> >> >>> > #25 0x0000000101897111 in g_signal_emit_valist () >>> >>>>> >>> >> >>> > #26 0x0000000101897964 in g_signal_emit () >>> >>>>> >>> >> >>> > #27 0x000000010000f2fe in app_run () >>> >>>>> >>> >> >>> > #28 0x0000000100011994 in main () >>> >>>>> >>> >> >>> > >>> >>>>> >>> >> >>> > and gimp-2.9 --verbose >>> >>>>> >>> >> >>> > ... >>> >>>>> >>> >> >>> > Parsing '/Users/partha/Library/Application >>> >>>>> >>> >> >>> > Support/GIMP/2.9/tool-options/gimp-text-tool' >>> >>>>> >>> >> >>> > ./gimp-2.9: fatal error: Segmentation fault: 11 >>> >>>>> >>> >> >>> > ./gimp-2.9 (pid:42330): [E]xit, [H]alt, show [S]tack >>> >>>>> >>> >> >>> > trace >>> >>>>> >>> >> >>> > or >>> >>>>> >>> >> >>> > [P]roceed: >>> >>>>> >>> >> >>> > >>> >>>>> >>> >> >>> > Is anyone else on the Mac having this issue? Should I >>> >>>>> >>> >> >>> > file >>> >>>>> >>> >> >>> > a >>> >>>>> >>> >> >>> > bug-report? >>> >>>>> >>> >> >>> >>> >>>>> >>> >> >>> Reproduced (same stack trace) on MBR (13-inch, Late 2011) >>> >>>>> >>> >> >>> running >>> >>>>> >>> >> >>> OS X >>> >>>>> >>> >> >>> 10.7.5; dependencies for GIMP installed via MacPorts >>> >>>>> >>> >> >>> (custom >>> >>>>> >>> >> >>> portfiles >>> >>>>> >>> >> >>> for babl, gegl and GIMP git master). >>> >>>>> >>> >> >>> >>> >>>>> >>> >> >>> Workaround (at least for this segfault at launch time) is >>> >>>>> >>> >> >>> to >>> >>>>> >>> >> >>> run >>> >>>>> >>> >> >>> GIMP >>> >>>>> >>> >> >>> like this: >>> >>>>> >>> >> >>> >>> >>>>> >>> >> >>> $ echo $LANG >>> >>>>> >>> >> >>> en_US.UTF-8 >>> >>>>> >>> >> >>> $ LANGUAGE="$LANG" gimp --verbose >>> >>>>> >>> >> >>> >>> >>>>> >>> >> >>> >>> >>>>> >>> >> >>> Possibly related to the changes in >>> >>>>> >>> >> >>> < >>> >>>>> >>> >> >>> >>> >>>>> >>> >> >>> >>> >>>>> >>> >> >>> >>> >>>>> >>> >> >>> >>> >>>>> >>> >> >>> https://git.gnome.org/browse/gimp/commit/?id=f6dcde1ee66fda4dfdc063022c4d2e901adb9a71 >>> >>>>> >>> >> >>> > >>> >>>>> >>> >> >>> < >>> >>>>> >>> >> >>> >>> >>>>> >>> >> >>> >>> >>>>> >>> >> >>> >>> >>>>> >>> >> >>> >>> >>>>> >>> >> >>> https://git.gnome.org/browse/gimp/commit/?id=4eecd9b4ac71615f10819378938dcdce7e531167 >>> >>>>> >>> >> >>> > >>> >>>>> >>> >> >>> >>> >>>>> >>> >> >>> >>> >>>>> >>> >> >>> hth, V >>> >>>>> >>> >> >>> _______________________________________________ >>> >>>>> >>> >> >>> gimp-developer-list mailing list >>> >>>>> >>> >> >>> List address: gimp-developer-list@xxxxxxxxx >>> >>>>> >>> >> >>> List membership: >>> >>>>> >>> >> >>> >>> >>>>> >>> >> >>> https://mail.gnome.org/mailman/listinfo/gimp-developer-list >>> >>>>> >>> >> >>> >>> >>>>> >>> >> >> _______________________________________________ >>> >>>>> >>> >> >> gimp-developer-list mailing list >>> >>>>> >>> >> >> List address: gimp-developer-list@xxxxxxxxx >>> >>>>> >>> >> >> List membership: >>> >>>>> >>> >> >> >>> >>>>> >>> >> >> https://mail.gnome.org/mailman/listinfo/gimp-developer-list >>> >>>>> >>> > >>> >>>>> >>> > >>> >>>>> >> >>> >>>>> >> >>> >>>> >>> >>>> >>> >>> >>> >> >> >> _______________________________________________ gimp-developer-list mailing list List address: gimp-developer-list@xxxxxxxxx List membership: https://mail.gnome.org/mailman/listinfo/gimp-developer-list