[Bug 416543] Re: devhelp crashed with SIGSEGV

[Sense Hofstede]

*** This bug is a duplicate of bug 454264 ***
https://bugs.launchpad.net/bugs/454264

** This bug is no longer a duplicate of bug 433436
   devhelp crashed with SIGSEGV in closeCallback()
** This bug has been marked a duplicate of bug 454264
   devhelp crashed when navigating up/down to the end the contents sidebar

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[Bug 416543] Re: devhelp crashed with SIGSEGV

[Sense Hofstede]

*** This bug is a duplicate of bug 454264 ***
https://bugs.launchpad.net/bugs/454264

OK, thank you for the information. I'm marking this bug as a duplicate
of bug #433436. Please follow the conversation there instead of here
from now one; you should be automatically be subscribed to that bug
report as well.

** This bug has been marked a duplicate of bug 433436
   devhelp crashed with SIGSEGV in closeCallback()

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[Bug 416543] Re: devhelp crashed with SIGSEGV

[Arne Caspari]

The crash location is always the same.

I found out more details: The crash happens not only when you enter
something in the search box. It happens when devhelp changes the pages
fast, ie when you scroll fast through the index page using the cursor
keys, it will crash after a short while. I suppose that the crash occurs
when devhelp interrupts a page while it is loading or something like
that.

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[Bug 416543] Re: devhelp crashed with SIGSEGV

[Sense Hofstede]

I recognise your trace, I've posted the same one to the upstream report
of bug #454264: . I'm
talking about this trace:
.

Could you please say if the symptoms described in these bugs apply to your 
crashes as well? Upstream suggests it could be a bug in WebKit: 
. Could you please have a look 
at that bug as well?
Thanks in advance. 

** Bug watch added: GNOME Bug Tracker #601972
   https://bugzilla.gnome.org/show_bug.cgi?id=601972

** Bug watch added: bugs.webkit.org/ #30163
   https://bugs.webkit.org/show_bug.cgi?id=30163

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[Bug 416543] Re: devhelp crashed with SIGSEGV

[Arne Caspari]

Again with libwebkit-dbg:

Program received signal SIGSEGV, Segmentation fault.
0x0169f043 in queryInfoCallback (source=0x8efd390, res=0x8e7fae8) at 
../WebCore/platform/network/soup/ResourceHandleSoup.cpp:845
845 ../WebCore/platform/network/soup/ResourceHandleSoup.cpp: No such file 
or directory.
in ../WebCore/platform/network/soup/ResourceHandleSoup.cpp
Current language:  auto
The current source language is "auto; currently c++".
(gdb) bt
#0  0x0169f043 in queryInfoCallback (source=0x8efd390, res=0x8e7fae8) at 
../WebCore/platform/network/soup/ResourceHandleSoup.cpp:845
#1  0x008ee7c9 in g_simple_async_result_complete () from 
/usr/lib/libgio-2.0.so.0
#2  0x008eeade in ?? () from /usr/lib/libgio-2.0.so.0
#3  0x00a690f1 in ?? () from /lib/libglib-2.0.so.0
#4  0x00a6ae78 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#5  0x00a6e720 in ?? () from /lib/libglib-2.0.so.0
#6  0x00a6eb8f in g_main_loop_run () from /lib/libglib-2.0.so.0
#7  0x00284419 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#8  0x080497fa in ?? ()
#9  0x00bc2b56 in __libc_start_main (main=0x8049470, argc=1, ubp_av=0xb4f4, 
init=0x8049a20, fini=0x8049a10, rtld_fini=0x6abd20 <_dl_fini>, 
stack_end=0xb4ec) at libc-start.c:220
#10 0x080491e1 in ?? ()

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[Bug 416543] Re: devhelp crashed with SIGSEGV

[Arne Caspari]

This bug occurs very often for me, I just need to enter enough search
queries.


Stacktrace:

** (devhelp:8880): DEBUG: NP_Initialize
** (devhelp:8880): DEBUG: NP_Initialize succeeded
** (devhelp:8880): DEBUG: NP_Initialize
** (devhelp:8880): DEBUG: NP_Initialize succeeded
** (devhelp:8880): DEBUG: NP_Initialize
** (devhelp:8880): DEBUG: NP_Initialize succeeded
** (devhelp:8880): DEBUG: NP_Initialize
** (devhelp:8880): DEBUG: NP_Initialize succeeded

Program received signal SIGSEGV, Segmentation fault.
0x016b5043 in ?? () from /usr/lib/libwebkit-1.0.so.2
(gdb) bt
#0  0x016b5043 in ?? () from /usr/lib/libwebkit-1.0.so.2
#1  0x004a07c9 in g_simple_async_result_complete () from 
/usr/lib/libgio-2.0.so.0
#2  0x004a0ade in ?? () from /usr/lib/libgio-2.0.so.0
#3  0x005780f1 in ?? () from /lib/libglib-2.0.so.0
#4  0x00579e78 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#5  0x0057d720 in ?? () from /lib/libglib-2.0.so.0
#6  0x0057db8f in g_main_loop_run () from /lib/libglib-2.0.so.0
#7  0x0653d419 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#8  0x080497fa in ?? ()
#9  0x0060db56 in __libc_start_main (main=0x8049470, argc=1, ubp_av=0xb4f4, 
init=0x8049a20, fini=0x8049a10, rtld_fini=0xaccd20 <_dl_fini>, 
stack_end=0xb4ec) at libc-start.c:220
#10 0x080491e1 in ?? ()

** Changed in: devhelp (Ubuntu)
   Status: Invalid => Confirmed

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[Bug 416543] Re: devhelp crashed with SIGSEGV

[Pedro Villavicencio]

closing the bug then, feel free to re open if you can reproduce the
issue and provide a backtrace, thanks.

** Changed in: devhelp (Ubuntu)
   Status: Incomplete => Invalid

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[Bug 416543] Re: devhelp crashed with SIGSEGV

[Marc Deslauriers]

I can't reproduce the segfault, so I can't get a stack trace.

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[Bug 416543] Re: devhelp crashed with SIGSEGV

[Pedro Villavicencio]

Thanks for your bug report. Please try to obtain a backtrace
http://wiki.ubuntu.com/DebuggingProgramCrash and attach the file to the
bug report. This will greatly help us in tracking down your problem.

** Attachment removed: "CoreDump.gz"
   http://launchpadlibrarian.net/30581012/CoreDump.gz

** Visibility changed to: Public

** Changed in: devhelp (Ubuntu)
   Importance: Undecided => Medium

** Changed in: devhelp (Ubuntu)
   Status: New => Incomplete

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