Package: emacs;
Reported by: Kaushal Modi <kaushal.modi <at> gmail.com>
Date: Mon, 2 May 2016 15:21:01 UTC
Severity: minor
Found in version 25.0.93
View this message in rfc822 format
From: Eli Zaretskii <eliz <at> gnu.org> To: Kaushal Modi <kaushal.modi <at> gmail.com> Cc: 23424 <at> debbugs.gnu.org Subject: bug#23424: 25.0.93; error in process sentinel with Melpa added to package-archives Date: Mon, 02 May 2016 18:49:04 +0300
> From: Kaushal Modi <kaushal.modi <at> gmail.com>
> Date: Mon, 02 May 2016 15:19:02 +0000
>
> I can recreate this error in "emacs -Q" after evaluating the below and then doing M-x list-packages.
>
> =====
>
> (require 'package)
> (add-to-list 'package-archives '("melpa" . "http://melpa.org/packages/") t)
>
> =====
>
> Here is the error I get:
>
> =====
>
> Importing package-keyring.gpg...done
> error in process filter: End of file during parsing
>
> =====
Here's the problem: Emacs tries to read from an empty string, and
fails. The backtrace is below.
> As an additional request (hopefully minor), can this process filter error be improved to give more info as to
> which file caused it?
Given the cause of the problem, how would you wish to improve the
error message?
Thread 1 hit Breakpoint 3, Fsignal (error_symbol=20888, data=0) at eval.c:1471
1471 = (NILP (error_symbol) ? Fcar (data) : error_symbol);
$44 = 20888
$45 = (struct Lisp_Symbol *) 0x2b2ad00 <lispsym+20888>
"end-of-file"
(gdb) bt
#0 Fsignal (error_symbol=20888, data=0) at eval.c:1471
#1 0x0121cf5d in xsignal (error_symbol=20888, data=0) at eval.c:1577
#2 0x0121cf9a in xsignal0 (error_symbol=20888) at eval.c:1586
#3 0x01262e25 in end_of_file_error () at lread.c:1736
#4 0x01267417 in read1 (readcharfun=-9223372036748765968, pch=0x82c3bc,
first_in_list=false) at lread.c:3094
#5 0x01264604 in read0 (readcharfun=-9223372036748765968) at lread.c:2137
#6 0x01268c64 in read_list (flag=false, readcharfun=-9223372036748765968)
at lread.c:3629
#7 0x01265049 in read1 (readcharfun=-9223372036748765968, pch=0x82c70c,
first_in_list=true) at lread.c:2484
#8 0x01268a8e in read_list (flag=false, readcharfun=-9223372036748765968)
at lread.c:3585
#9 0x01265049 in read1 (readcharfun=-9223372036748765968, pch=0x82ca1c,
first_in_list=false) at lread.c:2484
#10 0x01268a8e in read_list (flag=true, readcharfun=-9223372036748765968)
at lread.c:3585
#11 0x012684f6 in read_vector (readcharfun=-9223372036748765968,
bytecodeflag=false) at lread.c:3495
#12 0x0126506e in read1 (readcharfun=-9223372036748765968, pch=0x82cdbc,
first_in_list=false) at lread.c:2487
#13 0x01264604 in read0 (readcharfun=-9223372036748765968) at lread.c:2137
#14 0x01268c64 in read_list (flag=false, readcharfun=-9223372036748765968)
at lread.c:3629
#15 0x01265049 in read1 (readcharfun=-9223372036748765968, pch=0x82d10c,
first_in_list=false) at lread.c:2484
#16 0x01268a8e in read_list (flag=false, readcharfun=-9223372036748765968)
at lread.c:3585
#17 0x01265049 in read1 (readcharfun=-9223372036748765968, pch=0x82d41c,
first_in_list=false) at lread.c:2484
#18 0x01264604 in read0 (readcharfun=-9223372036748765968) at lread.c:2137
#19 0x01264526 in read_internal_start (stream=-9223372036748765968, start=0,
end=0) at lread.c:2110
#20 0x0126427b in Fread_from_string (string=-9223372036748765968, start=0,
end=0) at lread.c:2073
#21 0x01221a0c in Ffuncall (nargs=2, args=0x82d698) at eval.c:2700
#22 0x012826e1 in exec_byte_code (bytestr=-9223372036759330616,
vector=-6917529027537623584, maxdepth=4611686018427387924,
args_template=4611686018427388161, nargs=1, args=0x82de40)
at bytecode.c:880
#23 0x01222972 in funcall_lambda (fun=-6917529027537623184, nargs=1,
arg_vector=0x82de38) at eval.c:2855
#24 0x01221f3b in Ffuncall (nargs=2, args=0x82de30) at eval.c:2742
#25 0x0122018e in Fapply (nargs=2, args=0x82de30) at eval.c:2278
#26 0x0122180d in Ffuncall (nargs=3, args=0x82de28) at eval.c:2673
#27 0x012826e1 in exec_byte_code (bytestr=-9223372036754479384,
vector=-6917529027537762864, maxdepth=4611686018427387912,
args_template=0, nargs=0, args=0x0) at bytecode.c:880
#28 0x01222fd4 in funcall_lambda (fun=-6917529027537762616, nargs=0,
arg_vector=0x82e400) at eval.c:2921
#29 0x01221f3b in Ffuncall (nargs=1, args=0x82e3f8) at eval.c:2742
#30 0x012826e1 in exec_byte_code (bytestr=-9223372036754478168,
vector=-6917529027537762424, maxdepth=4611686018427387909,
args_template=0, nargs=0, args=0x0) at bytecode.c:880
#31 0x01222fd4 in funcall_lambda (fun=-6917529027537762152, nargs=2,
arg_vector=0x82e9b0) at eval.c:2921
#32 0x01221f3b in Ffuncall (nargs=3, args=0x82e9a8) at eval.c:2742
#33 0x012826e1 in exec_byte_code (bytestr=-9223372036754110784,
vector=-6917529027537760712, maxdepth=4611686018427387918,
args_template=0, nargs=0, args=0x0) at bytecode.c:880
#34 0x01222fd4 in funcall_lambda (fun=-6917529027537760416, nargs=2,
arg_vector=0x82ef98) at eval.c:2921
#35 0x01221f3b in Ffuncall (nargs=3, args=0x82ef90) at eval.c:2742
#36 0x01220805 in Fapply (nargs=2, args=0x82f050) at eval.c:2321
#37 0x01221047 in apply1 (fn=58089576, arg=-4611686018321073728)
at eval.c:2537
#38 0x012942bd in read_process_output_call (fun_and_args=-4611686018321073712)
at process.c:5224
#39 0x0121c61a in internal_condition_case_1 (
bfun=0x12941d4 <read_process_output_call>, arg=-4611686018321073712,
handlers=21168, hfun=0x1297822 <exec_sentinel_error_handler>)
at eval.c:1333
#40 0x01297ace in exec_sentinel (proc=-6917529027537622792,
reason=-9223372036749244816) at process.c:6577
#41 0x01297deb in status_notify (deleting_process=0x0, wait_proc=0x0)
at process.c:6679
#42 0x012929b0 in wait_reading_process_output (time_limit=30, nsecs=0,
read_kbd=-1, do_display=true, wait_for_cell=0, wait_proc=0x0,
just_wait_proc=0) at process.c:4661
#43 0x0101126c in sit_for (timeout=4611686018427387934, reading=true,
display_option=1) at dispnew.c:5762
#44 0x01158765 in read_char (commandflag=1, map=-4611686018321074016,
prev_event=0, used_mouse_menu=0x82f62f, end_time=0x0) at keyboard.c:2706
#45 0x0116cff6 in read_key_sequence (keybuf=0x82f7c0, bufsize=30, prompt=0,
dont_downcase_last=false, can_return_switch_frame=true,
fix_current_buffer=true, prevent_redisplay=false) at keyboard.c:9055
#46 0x01153df2 in command_loop_1 () at keyboard.c:1357
#47 0x0121c56e in internal_condition_case (bfun=0x1153820 <command_loop_1>,
handlers=21168, hfun=0x1152a9d <cmd_error>) at eval.c:1309
#48 0x011532b7 in command_loop_2 (ignore=0) at keyboard.c:1099
#49 0x0121b6eb in internal_catch (tag=56728, func=0x115327b <command_loop_2>,
arg=0) at eval.c:1074
#50 0x01153235 in command_loop () at keyboard.c:1078
#51 0x011524ab in recursive_edit_1 () at keyboard.c:684
#52 0x01152771 in Frecursive_edit () at keyboard.c:755
#53 0x0114ff7b in main (argc=2, argv=0xa427e0) at emacs.c:1606
Lisp Backtrace:
"read-from-string" (0x82d6a0)
0x62aa770 PVEC_COMPILED
"apply" (0x82de30)
"url-http-activate-callback" (0x82e400)
"url-http-end-of-document-sentinel" (0x82e9b0)
"url-http-async-sentinel" (0x82ef98)
(gdb) frame 20
#20 0x0126427b in Fread_from_string (string=-9223372036748765968, start=0,
end=0) at lread.c:2073
2073 ret = read_internal_start (string, start, end);
(gdb) p string
$46 = -9223372036748765968
(gdb) xstring
$47 = (struct Lisp_String *) 0x65194f0
0
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