[Aptitude-devel] Bug#837366: aptitude: […] #837366 (Crash when typing while saying "Updating ... and quitting") might be related

[Axel Beckert]

Control: reopen -1
Control: found -1 0.8.4-1

Hi Manuel,

On Sun, Jan 01, 2017 at 05:00:45AM +0100, Axel Beckert wrote:
> Manuel A. Fernandez Montecelo wrote:
> > 2016-10-10 23:13 Axel Beckert:
> > > JFTR: in case this is actually an issue inside cwidget or in the way
> > > cwidget is used by aptitude, the two bug reports 839792 (Segfaults
> > > when typing (into aptitude) during or maybe shortly before package
> > > download) and #837366 (Crash when typing while saying "Updating ...
> > > and quitting") might be the same issue or at least related.
> > 
> > With an up-to-date unstable and 0.8.4-1, I cannot reproduce this
> > (neither of them).  Can you still reproduce it?
> 
> I can neither reproduce #839792 nor #837366 with 0.8.4-1 anymore,
> hence closing both. Thanks for the heads up!

I just ran into #837366 with 0.8.4-1, hence reopening it:

Writing extended state information                      10[1]    27840 segmentation fault (core dumped)  aptitude -u

Backtrace with 0.8.4-1:

Core was generated by `aptitude -u'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007f347b781720 in _xend () at ../sysdeps/unix/sysv/linux/x86/elision-unlock.c:33
33      ../sysdeps/unix/sysv/linux/x86/elision-unlock.c: No such file or directory.
[Current thread is 1 (Thread 0x7f3477ef4700 (LWP 8259))]
(gdb) bt
#0  0x00007f347b781720 in _xend () at ../sysdeps/unix/sysv/linux/x86/elision-unlock.c:33
#1  __lll_unlock_elision (lock=0x7f347c9d6360 <cwidget::toplevel::input_thread::input_event_mutex>, private=0)
    at ../sysdeps/unix/sysv/linux/x86/elision-unlock.c:29
#2  0x00007f347c730b9a in cwidget::toplevel::input_thread::operator()() () from /usr/lib/x86_64-linux-gnu/libcwidget.so.3
#3  0x00007f347c730bc1 in void* cwidget::threads::thread::bootstrap<cwidget::threads::bootstrap_proxy<cwidget::toplevel::input_thread> >(void*) ()
   from /usr/lib/x86_64-linux-gnu/libcwidget.so.3
#4  0x00007f347b776464 in start_thread (arg=0x7f3477ef4700) at pthread_create.c:333
#5  0x00007f347ac1c9df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

		Regards, Axel
-- 
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