Bug#607277: R: Re: Bug#607277: iceweasel: segfault in idle

[Gabriele Messineo <bpgm@libero.it>]

On Mon, 2010-12-20 at 17:08 +0100, Aurelien Jarno wrote:
> On Mon, Dec 20, 2010 at 02:47:04PM +0100, Mike Hommey wrote:
> > reassign 607277 libc6
> > thanks
> > 
> > > Program received signal SIGSEGV, Segmentation fault.
> > > [Switching to Thread 0x7fffe21ff710 (LWP 18522)]
> > > 0x00007ffff73f4d18 in ?? () from /lib/libc.so.6
> > > (gdb) bt full
> > > #0  0x00007ffff73f4d18 in ?? () from /lib/libc.so.6
> > > No symbol table info available.
> > > #1  0x00007ffff73f7782 in getaddrinfo () from /lib/libc.so.6
> > > No symbol table info available.
> > > #2  0x00007ffff2eaf078 in PR_GetAddrInfoByName () from /usr/lib/libnspr4.so.0d
> > > No symbol table info available.
> > > #3  0x00007ffff5dc2936 in nsHostResolver::ThreadFunc (arg=0x7fffeb221cc0) at ../../../../netwerk/dns/src/nsHostResolver.cpp:884
> > >         flags = 32800
> > >         status = <value optimized out>
> > >         rec = 0x7fffd5237110
> > >         ai = 0x7ffff7ffd040
> > > #4  0x00007ffff2ebb7c3 in ?? () from /usr/lib/libnspr4.so.0d
> > > No symbol table info available.
> > > #5  0x00007ffff76b18ba in start_thread () from /lib/libpthread.so.0
> > > No symbol table info available.
> > > #6  0x00007ffff741902d in clone () from /lib/libc.so.6
> > > No symbol table info available.
> > > #7  0x0000000000000000 in ?? ()
> > > No symbol table info available.
> > > (gdb) 
> > 
> > Looks like a genuine problem with the libc.
> > 
> 
> Can you please provide the same backtrace, but with libc6-dbg installed?
> 

I can try, but I'll need some days 'cause it's not easy to reproduce the
conditions, seems like a concurrency issue...  

I installed the package you indicated. Which are the steps to follow to
use these libraries with iceweasel and obtain an useful backtrace?