On Tue, 2009-11-10 at 15:43 +0200, Tshepang Lekhonkhobe wrote:
> On Thu, Nov 5, 2009 at 13:36, Tshepang Lekhonkhobe<tshep...@gmail.com> wrote:
> > On Thu, Nov 5, 2009 at 12:45, Martyn Russell<mar...@lanedo.com> wrote:

> Here's what I'm now getting:


Auwch, this is memory corruption in the gslice magazine allocator.

We'll need to you to run valgrind with 

export G_SLICE=always-malloc
export G_DEBUG=gc-friendly

And reproduce to find this issue

You can also set G_DEBUG=fatal-criticals so that we can find where the
criticals are coming from. If we are lucky those criticals are related
to the memory corruption. Meaning that we have good assertions ;-)

So long and thanks for all the testing, Tshepang!


> (tracker-miner-fs:7413): Tracker-DEBUG: Adding item
> 'file:///usr/lib/flashplugin-nonfree/libflashplayer.so'
> 
> (tracker-miner-fs:7413): Tracker-CRITICAL **: Could not execute
> sparql: 13.25: syntax error, unexpected end of query, expected }
> 
> (tracker-miner-fs:7413): GLib-GObject-CRITICAL **: g_object_unref:
> assertion `G_IS_OBJECT (object)' failed
> 
> (tracker-miner-fs:7413): GLib-GObject-CRITICAL **: g_object_unref:
> assertion `G_IS_OBJECT (object)' failed
> Tracker-Message: Received monitor event:256->'IN_CREATE' for
> file:'/etc/alternatives/flash-mozilla.so.dpkg-tmp' (cookie:0)
> (tracker-miner-fs:7413): Tracker-DEBUG: Setting up cached events timeout check
> 
> Program received signal SIGSEGV, Segmentation fault.
> magazine_chain_pop_head (mem_size=12) at
> /build/buildd-glib2.0_2.22.2-2-i386-R8GTDn/glib2.0-2.22.2/glib/gslice.c:474
> 474   /build/buildd-glib2.0_2.22.2-2-i386-R8GTDn/glib2.0-2.22.2/glib/gslice.c:
> No such file or directory.
>       in 
> /build/buildd-glib2.0_2.22.2-2-i386-R8GTDn/glib2.0-2.22.2/glib/gslice.c
> (gdb) bt
> #0  magazine_chain_pop_head (mem_size=12) at
> /build/buildd-glib2.0_2.22.2-2-i386-R8GTDn/glib2.0-2.22.2/glib/gslice.c:474
> #1  thread_memory_magazine1_alloc (mem_size=12) at
> /build/buildd-glib2.0_2.22.2-2-i386-R8GTDn/glib2.0-2.22.2/glib/gslice.c:777
> #2  IA__g_slice_alloc (mem_size=12) at
> /build/buildd-glib2.0_2.22.2-2-i386-R8GTDn/glib2.0-2.22.2/glib/gslice.c:815
> #3  0xb7c2803c in g_main_context_add_poll_unlocked (context=0x8059ff8,
> priority=2, fd=0x806a9c4) at
> /build/buildd-glib2.0_2.22.2-2-i386-R8GTDn/glib2.0-2.22.2/glib/gmain.c:2998
> #4  0xb7c29070 in unblock_source (context=0x8070538) at
> /build/buildd-glib2.0_2.22.2-2-i386-R8GTDn/glib2.0-2.22.2/glib/gmain.c:1894
> #5  g_main_dispatch (context=0x8070538) at
> /build/buildd-glib2.0_2.22.2-2-i386-R8GTDn/glib2.0-2.22.2/glib/gmain.c:1977
> #6  IA__g_main_context_dispatch (context=0x8070538) at
> /build/buildd-glib2.0_2.22.2-2-i386-R8GTDn/glib2.0-2.22.2/glib/gmain.c:2513
> #7  0xb7c2c623 in g_main_context_iterate (context=0x8070538, block=1,
> dispatch=1, self=0x805d850) at
> /build/buildd-glib2.0_2.22.2-2-i386-R8GTDn/glib2.0-2.22.2/glib/gmain.c:2591
> #8  0xb7c2caea in IA__g_main_loop_run (loop=0x8084d10) at
> /build/buildd-glib2.0_2.22.2-2-i386-R8GTDn/glib2.0-2.22.2/glib/gmain.c:2799
> #9  0x08050c0c in main (argc=134684488, argv=0x2) at tracker-main.c:343
> 
> 
> 


-- 
Philip Van Hoof, freelance software developer
home: me at pvanhoof dot be 
gnome: pvanhoof at gnome dot org 
http://pvanhoof.be/blog
http://codeminded.be

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