Re: gtk3 imap connection issue

[Pawel Salek <pawsa0 gmail com>]

On 06/27/2012 05:10:38 PM, Peter Bloomfield wrote:
> Hi Carlos,
>
> On 06/27/2012 10:13:49 AM Wed, Carlos Franke wrote:
> > I wrote:
> > > They are repeatable, a stack trace is pasted below. Note:
> > >   – This is from the commit  
> > > d28ad8a95ae96f4d8117df6bf1fdc09957289757 (June 19th). I am building  
> > > the latest one right now and will let you know it it behaves  
> > > differently.
> >
> > It does. First, the output of "balsa D" is different, it goes one  
> > step further than "3 OK Completed.":
>
> That difference in behavior may be related to opening INBOX initially  
> instead of manually, rather than to the more recent commits.
>
> Both stack traces suggest that it's a locking issue: main thread  
> holding lock A and asking for lock B, while a subthread holds lock B  
> and asks for lock A. Identifying A and B is difficult, however,  
> because the traces have no debugging information from Balsa. Could  
> you rebuild Balsa to include it? Perhaps 'make CFLAGS="-g -O2"'?

I get following stack trace:

Thread 3 (Thread 0x7fdc78a69700 (LWP 1662)):
#0  0x00000033b38e8eef in poll () from /lib64/libc.so.6
#1  0x00000033b50479b4 in ?? () from /lib64/libglib-2.0.so.0
#2  0x00000033b5047e12 in g_main_loop_run () from  
/lib64/libglib-2.0.so.0
#3  0x00000033b78c9266 in ?? () from /lib64/libgio-2.0.so.0
#4  0x00000033b506a345 in ?? () from /lib64/libglib-2.0.so.0
#5  0x00000033b3c07d14 in start_thread () from /lib64/libpthread.so.0
#6  0x00000033b38f199d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7fdc5bfff700 (LWP 3051)):
#0  0x00000033b3c0b595 in pthread_cond_wait@@GLIBC_2.3.2 () from  
/lib64/libpthread.so.0
#1  0x00000033b508396f in g_cond_wait () from /lib64/libglib-2.0.so.0
#2  0x0000000000427b9b in balsa_find_url (url=<optimized out>) at  
balsa-app.c:791
#3  balsa_find_url (url=<optimized out>) at balsa-app.c:777
#4  0x0000000000427be6 in balsa_find_mailbox_by_url (url=<optimized  
out>) at balsa-app.c:824
#5  0x000000000048cd7a in libbalsa_filter_mailbox_messages  
(filt=filt@entry=0xbbba70, mailbox=mailbox@entry=0xf53a20,
    msgnos=msgnos@entry=0x7fdc5c2a4630) at filter.c:302
#6  0x000000000049ee10 in libbalsa_mailbox_run_filters_on_reception  
(mailbox=mailbox@entry=0xf53a20) at mailbox.c:904
#7  0x00000000004a4c67 in libbalsa_mailbox_imap_open (mailbox=0xf53a20,  
err=<optimized out>) at mailbox_imap.c:1120
#8  0x000000000049d586 in libbalsa_mailbox_open  
(mailbox=mailbox@entry=0xf53a20, err=err@entry=0xc70720) at  
mailbox.c:593
#9  0x00000000004297e9 in bndx_open_mailbox (info=0xc70710) at  
balsa-index.c:1106
#10 0x00000033b3c07d14 in start_thread () from /lib64/libpthread.so.0
#11 0x00000033b38f199d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fdc78a6ba00 (LWP 1661)):
#0  0x00000033b3c0b595 in pthread_cond_wait@@GLIBC_2.3.2 () from  
/lib64/libpthread.so.0
#1  0x000000000049600f in libbalsa_lock_mailbox  
(mailbox=mailbox@entry=0xf53a20) at libbalsa.c:709
#2  0x000000000049d228 in libbalsa_mailbox_set_threading  
(mailbox=0xf53a20, thread_type=LB_MAILBOX_THREADING_FLAT) at  
mailbox.c:2501
#3  0x000000000042ed82 in bmbl_open_mailbox (mailbox=0xf53a20,  
set_current=1) at balsa-mblist.c:1150
#4  0x000000000042fa3a in balsa_mblist_open_mailbox (mailbox=<optimized  
out>) at balsa-mblist.c:1163
#5  0x000000000042fce8 in bmbl_select_mailbox (selection=0xe11a30,  
data=<optimized out>) at balsa-mblist.c:935
#6  0x00000033b600f943 in ?? () from /lib64/libgobject-2.0.so.0