Subject: Re: bug#17301: 24.3.90; Hang using scroll bar thumb in Compile-Log buffer after packages update

From: Jan Djärv <[email-masked]>
Date: Mon, 21 Apr 2014 11:15:22 +0200

Hello.

20 apr 2014 kl. 20:47 skrev Eli Zaretskii <[email-masked]>:

>> From: [email-masked] (N. Jackson)
>> Cc: [email-masked]
>> Date: Sun, 20 Apr 2014 13:45:05 -0300
>> 
>> #0  0x00000035954ed629 in pselect () from /lib64/libc.so.6
>> #1  0x0000000000661826 in xg_select (fds_lim=20, rfds=0x7fff7f53f0a0, wfds=0x7fff7f53f020, efds=0x0, timeout=0x7fff7f53f000, sigmask=0x0) at xgselect.c:99
>> #2  0x0000000000618b12 in wait_reading_process_output (time_limit=0, nsecs=0, read_kbd=-1, do_display=true, wait_for_cell=12734770, wait_proc=0x0, just_wait_proc=0)
>>    at process.c:4603
>> #3  0x0000000000541a5b in kbd_buffer_get_event (kbp=0x7fff7f53f378, used_mouse_menu=0x7fff7f53faaf, end_time=0x0) at keyboard.c:3902
>> #4  0x000000000053e5bf in read_event_from_main_queue (end_time=0x0, local_getcjmp=0x7fff7f53f700, used_mouse_menu=0x7fff7f53faaf) at keyboard.c:2243
>> #5  0x000000000053e7e1 in read_decoded_event_from_main_queue (end_time=0x0, local_getcjmp=0x7fff7f53f700, prev_event=12734770, used_mouse_menu=0x7fff7f53faaf)
>>    at keyboard.c:2306
>> #6  0x000000000053fae1 in read_char (commandflag=1, map=82734246, prev_event=12734770, used_mouse_menu=0x7fff7f53faaf, end_time=0x0) at keyboard.c:2892
>> #7  0x000000000054ae92 in read_key_sequence (keybuf=0x7fff7f53fc90, bufsize=30, prompt=12734770, dont_downcase_last=false, can_return_switch_frame=true, 
>>    fix_current_buffer=true, prevent_redisplay=false) at keyboard.c:9079
>> #8  0x000000000053cb10 in command_loop_1 () at keyboard.c:1449
>> #9  0x00000000005c9f2d in internal_condition_case (bfun=0x53c757 <command_loop_1>, handlers=12786338, hfun=0x53c069 <cmd_error>) at eval.c:1354
>> #10 0x000000000053c4b1 in command_loop_2 (ignore=12734770) at keyboard.c:1174
>> #11 0x00000000005c973f in internal_catch (tag=12782274, func=0x53c48b <command_loop_2>, arg=12734770) at eval.c:1118
>> #12 0x000000000053c45f in command_loop () at keyboard.c:1153
>> #13 0x000000000053bc64 in recursive_edit_1 () at keyboard.c:777
>> #14 0x000000000053bdd1 in Frecursive_edit () at keyboard.c:845
>> #15 0x0000000000539e04 in main (argc=2, argv=0x7fff7f540118) at emacs.c:1646
> 
> That looks like http://debbugs.gnu.org/cgi/bugreport.cgi?bug=17172 to
> me.  Jan, am I right?

As there where no selections involved, I don't think so.
Note that it is normal for Emacs to be in pselect when it does nothing, so the similarity of the backtraces is no indication.  This looks like Emacs is just waiting for X events.

	Jan D.