Re: [Notion-general] collapse.lua causes segfault since last Debian update

[Arnout E. <no...@bz...>]

Hi Matthieu,

I only managed a quick look, and this does seem to be something in Notion
that's not working as indended. I created a ticket at
https://sourceforge.net/p/notion/bugs/77/ and noted some preliminary
thoughts there.

To be continued!


Kind regards,

Arnout


On Tue, May 6, 2014 at 10:05 AM, Matthieu Moy
<Mat...@gr...>wrote:

> Arnout Engelen <ar...@bz...> writes:
>
> > Have you tried the latest git version? I suspect this won't have
> > the frame_size_hints valgrind errors, though the actual crash you
> > describe doesn't sound familiar, so
> > that's likely still there.
>
> It is. The valgrind trace (with freshly git-cloned notion) is below.
>
> ==15052== Conditional jump or move depends on uninitialised value(s)
> ==15052==    at 0x41E90E: region_may_dispose (region.c:479)
> ==15052==    by 0x41ED61: region_rqdispose (region.c:512)
> ==15052==    by 0x4349AF: mainloop_execute_deferred_on_list (defer.c:191)
> ==15052==    by 0x416D44: ioncore_mainloop (event.c:228)
> ==15052==    by 0x41519B: main (notion.c:281)
> ==15052==
> ==15052== Jump to the invalid address stated on the next line
> ==15052==    at 0x0: ???
> ==15052==    by 0x41E916: region_may_dispose (region.c:479)
> ==15052==    by 0x41ED61: region_rqdispose (region.c:512)
> ==15052==    by 0x4349AF: mainloop_execute_deferred_on_list (defer.c:191)
> ==15052==    by 0x416D44: ioncore_mainloop (event.c:228)
> ==15052==    by 0x41519B: main (notion.c:281)
> ==15052==  Address 0x0 is not stack'd, malloc'd or (recently) free'd
> ==15052==
> ==15052==
> ==15052== Process terminating with default action of signal 11 (SIGSEGV)
> ==15052==  Bad permissions for mapped region at address 0x0
> ==15052==    at 0x0: ???
> ==15052==    by 0x41E916: region_may_dispose (region.c:479)
> ==15052==    by 0x41ED61: region_rqdispose (region.c:512)
> ==15052==    by 0x4349AF: mainloop_execute_deferred_on_list (defer.c:191)
> ==15052==    by 0x416D44: ioncore_mainloop (event.c:228)
> ==15052==    by 0x41519B: main (notion.c:281)
> ==15052==
> ==15052== HEAP SUMMARY:
> ==15052==     in use at exit: 1,707,258 bytes in 13,962 blocks
> ==15052==   total heap usage: 42,694 allocs, 28,732 frees, 5,525,276 bytes
> allocated
> ==15052==
> ==15052== LEAK SUMMARY:
> ==15052==    definitely lost: 224 bytes in 1 blocks
> ==15052==    indirectly lost: 176 bytes in 2 blocks
> ==15052==      possibly lost: 0 bytes in 0 blocks
> ==15052==    still reachable: 1,706,858 bytes in 13,959 blocks
> ==15052==         suppressed: 0 bytes in 0 blocks
> ==15052== Rerun with --leak-check=full to see details of leaked memory
> ==15052==
> ==15052== For counts of detected and suppressed errors, rerun with: -v
> ==15052== Use --track-origins=yes to see where uninitialised values come
> from
> ==15052== ERROR SUMMARY: 2 errors from 2 contexts (suppressed: 3 from 3)
> ==15067== Memcheck, a memory error detector
> ==15067== Copyright (C) 2002-2013, and GNU GPL'd, by Julian Seward et al.
> ==15067== Using Valgrind-3.9.0 and LibVEX; rerun with -h for copyright info
> ==15067== Command: /home/moy/local/usr/bin/notion
> ==15067==
>
> --
> Matthieu Moy
> http://www-verimag.imag.fr/~moy/
>