bug#62831: 29.0.90; Emacs-pretest-29.0.90 aarch64 on macOS crashes when receiving a three-finger tap.

bug#62831: 29.0.90; Emacs-pretest-29.0.90 aarch64 on macOS crashes when receiving a three-finger tap.

[Sami Lahtinen]

A three-finger tap in any Emacs frame crashes Emacs.

I use the pretest version from https://emacsformacosx.com on a M1
MacBook Pro.


In GNU Emacs 29.0.90 (build 1, aarch64-apple-darwin21.6.0, NS
appkit-2113.60 Version 12.6.1 (Build 21G217)) of 2023-04-11 built on
builder-m1-12.lan
Windowing system distributor 'Apple', version 10.3.2299
System Description:  macOS 13.3.1

Configured using:
'configure --with-ns '--enable-locallisppath=/Library/Application
Support/Emacs/${version}/site-lisp:/Library/Application
Support/Emacs/site-lisp' --with-modules --with-x-toolkit=no'

Configured features:
ACL GLIB GMP GNUTLS JPEG JSON LIBXML2 MODULES NOTIFY KQUEUE NS PDUMPER
PNG RSVG THREADS TIFF TOOLKIT_SCROLL_BARS TREE_SITTER ZLIB

Important settings:
  locale-coding-system: utf-8-unix

Major mode: Dashboard

Minor modes in effect:
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  nyan-mode: t
  minions-mode: t
  recentf-mode: t
  page-break-lines-mode: t
  global-git-commit-mode: t
  magit-auto-revert-mode: t
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  electric-pair-mode: t
  ivy-prescient-mode: t
  counsel-mode: t
  ivy-rich-mode: t
  ivy-mode: t
  delete-selection-mode: t
  global-auto-revert-mode: t
  savehist-mode: t
  override-global-mode: t
  global-eldoc-mode: t
  show-paren-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  context-menu-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  buffer-read-only: t
  line-number-mode: t
  global-visual-line-mode: t
  visual-line-mode: t
  indent-tabs-mode: t
  transient-mark-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  abbrev-mode: t

Load-path shadows:
/Users/sami/.emacs.d/elpa/lispy-20230314.1738/elpa hides /Users/sami/.emacs.d/elpa/ivy-20220926.1250/elpa
/Users/sami/.emacs.d/elpa/transient-20230315.1520/transient hides /Applications/Emacs29.app/Contents/Resources/lisp/transient
/Users/sami/.emacs.d/elpa/use-package-20230203.2004/use-package-jump hides /Applications/Emacs29.app/Contents/Resources/lisp/use-package/use-package-jump
/Users/sami/.emacs.d/elpa/use-package-20230203.2004/use-package-ensure hides /Applications/Emacs29.app/Contents/Resources/lisp/use-package/use-package-ensure
/Users/sami/.emacs.d/elpa/use-package-20230203.2004/use-package-core hides /Applications/Emacs29.app/Contents/Resources/lisp/use-package/use-package-core
/Users/sami/.emacs.d/elpa/use-package-20230203.2004/use-package-delight hides /Applications/Emacs29.app/Contents/Resources/lisp/use-package/use-package-delight
/Users/sami/.emacs.d/elpa/use-package-20230203.2004/use-package-diminish hides /Applications/Emacs29.app/Contents/Resources/lisp/use-package/use-package-diminish
/Users/sami/.emacs.d/elpa/use-package-20230203.2004/use-package hides /Applications/Emacs29.app/Contents/Resources/lisp/use-package/use-package
/Users/sami/.emacs.d/elpa/use-package-20230203.2004/use-package-bind-key hides /Applications/Emacs29.app/Contents/Resources/lisp/use-package/use-package-bind-key
/Users/sami/.emacs.d/elpa/bind-key-20230203.2004/bind-key hides /Applications/Emacs29.app/Contents/Resources/lisp/use-package/bind-key
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Memory information:
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(string-bytes 1 5824205)
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bug#62831: 29.0.90; Emacs-pretest-29.0.90 aarch64 on macOS crashes when receiving a three-finger tap.

[Eli Zaretskii]

> From: Sami Lahtinen <sami.lahtinen@gmail.com>
> Date: Fri, 14 Apr 2023 11:16:13 +0300
> 
> 
> A three-finger tap in any Emacs frame crashes Emacs.

Please show a backtrace from the crash.

> I use the pretest version from https://emacsformacosx.com on a M1
> MacBook Pro.

Is this the upstream version, or does it include any local changes?

bug#62831: 29.0.90; Emacs-pretest-29.0.90 aarch64 on macOS crashes when receiving a three-finger tap.

[Eli Zaretskii]

> From: Sami Lahtinen <sami.lahtinen@gmail.com>
> Date: Fri, 14 Apr 2023 15:46:28 +0300
> 
> I will attach an .ips file from ~/Library/Logs/DiagnosticReports/ I hope this is what you are looking for,
> if not, can you please specify?

I meant the backtrace reported by a debugger.  Run Emacs under a
debugger, either GDB (preferred) or LLDB, and when Emacs crashes
produce the backtrace and post it.  In GDB, the command to display a
backtrace is "backtrace", or "bt" in short.  I don't know what is the
command in LLDB, sorry.

> My Emacs is the binary from emacsformacosx.com as-is. As far as I know, it is compiled without
> changes.

Does that site say anywhere if there are some changes?

bug#62831: 29.0.90; Emacs-pretest-29.0.90 aarch64 on macOS crashes when receiving a three-finger tap.

[Ruijie Yu via Bug reports for GNU Emacs, the Swiss army knife of text editors]

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> On Apr 14, 2023, at 21:46, Eli Zaretskii <eliz@gnu.org> wrote:
> 
> 
>> 
>> From: Sami Lahtinen <sami.lahtinen@gmail.com>
>> Date: Fri, 14 Apr 2023 15:46:28 +0300
> 

> […]
> 
>> My Emacs is the binary from emacsformacosx.com as-is. As far as I know, it is compiled without
>> changes.
> 
> Does that site say anywhere if there are some changes?

According to https://emacsformacosx.com/about, there are no changes from emacs.git. 

--
Best,


RY

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bug#62831: 29.0.90; Emacs-pretest-29.0.90 aarch64 on macOS crashes when receiving a three-finger tap.

[Sami Lahtinen]

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Unfortunately I am unable to run GDB, as it seems that GDB doesn't run on
aarch64.

I tried to debug using LLDB, but since I have no experience with these
things I was unable to do so. I can try to find some time to learn the
process next week, but it might take a while, as I have never done any
debugging before. Maybe someone with more experience has access to an Apple
silicon machine and can replicate the bug?

ps. Maybe I should explain, that the three-finger tap is a macOS feature
that can search for a dictionary definition, web search etc. on a
highlighted word as well as display info about files in the file browser
etc. I'm just explaining this as it is a os-specific utility that some
people might not be aware of. I have no idea how it works "under the hood".

pe 14. huhtik. 2023 klo 16.44 Eli Zaretskii (eliz@gnu.org) kirjoitti:

> > From: Sami Lahtinen <sami.lahtinen@gmail.com>
> > Date: Fri, 14 Apr 2023 15:46:28 +0300
> >
> > I will attach an .ips file from ~/Library/Logs/DiagnosticReports/ I hope
> this is what you are looking for,
> > if not, can you please specify?
>
> I meant the backtrace reported by a debugger.  Run Emacs under a
> debugger, either GDB (preferred) or LLDB, and when Emacs crashes
> produce the backtrace and post it.  In GDB, the command to display a
> backtrace is "backtrace", or "bt" in short.  I don't know what is the
> command in LLDB, sorry.
>
> > My Emacs is the binary from emacsformacosx.com as-is. As far as I know,
> it is compiled without
> > changes.
>
> Does that site say anywhere if there are some changes?
>

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bug#62831: 29.0.90; Emacs-pretest-29.0.90 aarch64 on macOS crashes when receiving a three-finger tap.

[Daniel Martín via Bug reports for GNU Emacs, the Swiss army knife of text editors]

Sami Lahtinen <sami.lahtinen@gmail.com> writes:

> Unfortunately I am unable to run GDB, as it seems that GDB doesn't run on
> aarch64.
>
> I tried to debug using LLDB, but since I have no experience with these
> things I was unable to do so. I can try to find some time to learn the
> process next week, but it might take a while, as I have never done any
> debugging before. Maybe someone with more experience has access to an Apple
> silicon machine and can replicate the bug?

If you open Console.app, you should see the Emacs crash there, under
Crash Reports.  Could you upload the report to this bug thread?

I can't reproduce the issue, but I am on macOS 12, not macOS 13.  Do you
reproduce the issue if you start Emacs from a terminal with "emacs -Q"?

>
> ps. Maybe I should explain, that the three-finger tap is a macOS feature
> that can search for a dictionary definition, web search etc. on a
> highlighted word as well as display info about files in the file browser
> etc. I'm just explaining this as it is a os-specific utility that some
> people might not be aware of. I have no idea how it works "under the hood".
>

Is this the setting you can configure at System Preferences, Trackpad,
Point & Click, Look up & data detectors, Tap with three fingers?

bug#62831: 29.0.90; Emacs-pretest-29.0.90 aarch64 on macOS crashes when receiving a three-finger tap.

[Sami Lahtinen]

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la 15. huhtik. 2023 klo 22.51 Daniel Martín (mardani29@yahoo.es) kirjoitti:

> Sami Lahtinen <sami.lahtinen@gmail.com> writes:
>
> > Unfortunately I am unable to run GDB, as it seems that GDB doesn't run on
> > aarch64.
> >
> > I tried to debug using LLDB, but since I have no experience with these
> > things I was unable to do so. I can try to find some time to learn the
> > process next week, but it might take a while, as I have never done any
> > debugging before. Maybe someone with more experience has access to an
> Apple
> > silicon machine and can replicate the bug?
>
> If you open Console.app, you should see the Emacs crash there, under
> Crash Reports.  Could you upload the report to this bug thread?
>
> I will attach it to this email.

I can't reproduce the issue, but I am on macOS 12, not macOS 13.  Do you
> reproduce the issue if you start Emacs from a terminal with "emacs -Q"?
>
> I ran "/Applications/Emacs29.app/Content/MacOS/Emacs -Q" and
"/Applications/Emacs29.app/Content/MacOS/Emacs-arm64-11 -Q" and could not
reproduce the bug, which is surprising as I thought that I had trier that
before and thus thought the bug was not related to my dotfiles. Still, the
same dotfiles do not result in this bug in my older version of Emacs.

I can try to pinpont the part of my init.el that is causing this bug, but
it will take a day or two.

>
> > ps. Maybe I should explain, that the three-finger tap is a macOS feature
> > that can search for a dictionary definition, web search etc. on a
> > highlighted word as well as display info about files in the file browser
> > etc. I'm just explaining this as it is a os-specific utility that some
> > people might not be aware of. I have no idea how it works "under the
> hood".
> >
>
> Is this the setting you can configure at System Preferences, Trackpad,
> Point & Click, Look up & data detectors, Tap with three fingers?
>

Yes.With that setting off the bug does not happen.

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bug#62831: 29.0.90; Emacs-pretest-29.0.90 aarch64 on macOS crashes when receiving a three-finger tap.

[Daniel Martín via Bug reports for GNU Emacs, the Swiss army knife of text editors]

[-- Attachment #1: Type: text/plain, Size: 1430 bytes --]

tags 62831 + unreproducible
quit

Sami Lahtinen <sami.lahtinen@gmail.com> writes:

> la 15. huhtik. 2023 klo 22.51 Daniel Martín (mardani29@yahoo.es) kirjoitti:
>
>> Sami Lahtinen <sami.lahtinen@gmail.com> writes:
>>
>> > Unfortunately I am unable to run GDB, as it seems that GDB doesn't run on
>> > aarch64.
>> >
>> > I tried to debug using LLDB, but since I have no experience with these
>> > things I was unable to do so. I can try to find some time to learn the
>> > process next week, but it might take a while, as I have never done any
>> > debugging before. Maybe someone with more experience has access to an
>> Apple
>> > silicon machine and can replicate the bug?
>>
>> If you open Console.app, you should see the Emacs crash there, under
>> Crash Reports.  Could you upload the report to this bug thread?
>>
>> I will attach it to this email.

I have taken a look at the backtrace and it shows that the crash is in
Apple WebKit when it tries to initialize the JS VM (the dictionary popup
is apparently implemented using a web viewer).  I've converted the
backtrace to plain text and attached it to this bug report.

>
> I can try to pinpont the part of my init.el that is causing this bug, but
> it will take a day or two.
>

Yes, that'd be helpful.  If anyone has a detailed recipe to reproduce
this bug, feel free to comment.  For know, I've tagged the bug as
unreproducible.


[-- Attachment #2: Backtrace.txt --]
[-- Type: text/plain, Size: 10945 bytes --]

Incident Identifier: 33106A45-08E9-4548-9B21-8487CD0AD39B
CrashReporter Key:   9881E08E-8258-2A27-C2FA-59A771335D0F
Hardware Model:      MacBookPro18,3
Process:             Emacs-arm64-11 [79012]
Path:                /Applications/Emacs29.app/Contents/MacOS/Emacs-arm64-11
Report Version:      104
Code Type:           ARM-64 (Native(?))
Role:                Foreground
Parent Process:      launchd [1]
Coalition:           org.gnu.Emacs [2288]

Date/Time:           2023-04-16 09:40:18.9434 +0300
Launch Time:         2023-04-16 09:40:13.1077 +0300
OS Version:          macOS 13.3.1 (22E261)
Release Type:        User
Baseband Version:    

Exception Type:  EXC_BREAKPOINT (SIGABRT)
Exception Codes: 0x0000000000000001, 0x000000019d96d560
Triggered by Thread:  0


Thread 0 name:  com.apple.main-thread
Thread 0 Crashed:
0    libsystem_kernel.dylib                  0x183034724 __pthread_kill + 8
1    libsystem_pthread.dylib                 0x18306bc28 pthread_kill + 288
2    libsystem_c.dylib                       0x182f4246c raise + 32
3                                            0x10039e67c terminate_due_to_signal + 208
4                                            0x10039ea28 emacs_abort + 20
5                                            0x100364620 ns_term_shutdown + 168
6                                            0x10022fa0c shut_down_emacs + 328
7                                            0x10039e644 terminate_due_to_signal + 152
8                                            0x100256588 handle_fatal_signal + 16
9                                            0x100256604 deliver_thread_signal + 124
10                                           0x100254774 deliver_fatal_thread_signal + 12
11   libsystem_platform.dylib                0x18309aa84 _sigtramp + 56
12   JavaScriptCore                          0x19d96d314 JSC::SecureARM64EHashPins::initializeAtStartup() + 76
13   JavaScriptCore                          0x19e42cde0 JSC::initialize()::$_11::operator()() const + 60
14   libc++.1.dylib                          0x182f976a0 std::__1::__call_once(unsigned long volatile&, void*, void (*)(void*)) + 180
15   JavaScriptCore                          0x19e42410c JSC::initialize() + 84
16   WebKitLegacy                            0x19b1f40e4 +[WebHTMLView initialize] + 80
17   libobjc.A.dylib                         0x182cd2ff0 CALLING_SOME_+initialize_METHOD + 24
18   libobjc.A.dylib                         0x182cd2c9c initializeNonMetaClass + 904
19   libobjc.A.dylib                         0x182ced0e8 initializeAndMaybeRelock(objc_class*, objc_object*, locker_mixin<lockdebug::lock_mixin<objc_lock_base_t>>&, bool) + 156
20   libobjc.A.dylib                         0x182cd25c4 lookUpImpOrForward + 884
21   libobjc.A.dylib                         0x182cd1f64 _objc_msgSend_uncached + 68
22   libobjc.A.dylib                         0x182cdabe4 objc_retainAutorelease + 16
23   Lookup                                  0x1a9bb4e08 __getWebHTMLViewClassNoCatalyst_block_invoke + 196
24   libdispatch.dylib                       0x182ebc400 _dispatch_client_callout + 20
25   libdispatch.dylib                       0x182ebdc40 _dispatch_once_callout + 32
26   Lookup                                  0x1a9bb4d40 getWebHTMLViewClassNoCatalyst + 80
27   Lookup                                  0x1a9bb4ad8 +[LUWebFrameViewTextAccessor WebHTMLViewAtLocation:] + 76
28   Lookup                                  0x1a9bb4f94 +[LUWebFrameViewTextAccessor canAccessTextAtLocation:] + 44
29   Lookup                                  0x1a9bb51a0 +[LUTextAccessor textAccessorForScreenLocation:] + 464
30   Lookup                                  0x1a9bb6c78 -[LUExtractor focusTermAndLocation:options:] + 352
31   Lookup                                  0x1a9bb68f4 +[LULookupDefinitionModule _focusTermUsingQueue:handler:] + 144
32   Lookup                                  0x1a9babbd4 -[LULookupDefinitionModule showDefinitionByHotKey] + 364
33   AppKit                                  0x186bb3ce0 _routeLookupEvent + 344
34   AppKit                                  0x1864951b8 -[NSWindow(NSEventRouting) _reallySendEvent:isDelayedEvent:] + 584
35   AppKit                                  0x186494d9c -[NSWindow(NSEventRouting) sendEvent:] + 284
36   AppKit                                  0x1866e6548 -[NSApplication _handleHotKeyRelease:] + 272
37   AppKit                                  0x18658dbcc routeSystemDefinedEvent + 64
38   AppKit                                  0x186493f74 -[NSApplication(NSEvent) sendEvent:] + 1192
39                                           0x100364b34 -[EmacsApp sendEvent:] + 476
40   AppKit                                  0x1866e40f0 -[NSApplication _handleEvent:] + 60
41   AppKit                                  0x18635b57c -[NSApplication run] + 500
42                                           0x10036480c -[EmacsApp run] + 376
43                                           0x100363410 ns_select_1 + 988
44                                           0x10031a538 wait_reading_process_output + 4292
45                                           0x100239924 read_char + 9704
46                                           0x100235334 read_key_sequence + 1456
47                                           0x1002336a0 command_loop_1 + 888
48                                           0x1002c38a8 internal_condition_case + 92
49                                           0x100233314 command_loop_2 + 52
50                                           0x1002c3184 internal_catch + 84
51                                           0x100232b1c command_loop + 264
52                                           0x100232948 recursive_edit_1 + 164
53                                           0x100232cc4 Frecursive_edit + 372
54                                           0x100231e78 main + 9240
55   dyld                                    0x182d13f28 start + 2236

Thread 1:
0    libsystem_pthread.dylib                 0x183066d8c start_wqthread + 0

Thread 2 name:  gmain
Thread 2:
0    libsystem_kernel.dylib                  0x183036ff0 __select + 8
1                                            0x101157a44 g_poll + 452
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Thread 3:
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Thread 4:
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2                                            0x100365af8 -[EmacsApp fd_handler:] + 528
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Thread 5:
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Thread 6 name:  com.apple.NSEventThread
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1    libsystem_kernel.dylib                  0x18303e240 mach_msg2_internal + 80
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3    libsystem_kernel.dylib                  0x18302c290 mach_msg + 24
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8    libsystem_pthread.dylib                 0x18306bfa8 _pthread_start + 148
9    libsystem_pthread.dylib                 0x183066da0 thread_start + 8

Thread 7 name:  JavaScriptCore libpas scavenger
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1    libsystem_pthread.dylib                 0x18306c574 _pthread_cond_wait + 1232
2    JavaScriptCore                          0x19d5b69d0 scavenger_thread_main + 1428
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bug#62831: 29.0.90; Emacs-pretest-29.0.90 aarch64 on macOS crashes when receiving a three-finger tap.

[Sami Lahtinen]

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I think I pinpointed the problem.
I was able to reproduce the bug with a minimal init configuration that only
loads the vterm package.

I'll attach the init file here, hope this helps!

Sami

su 16. huhtik. 2023 klo 17.56 Daniel Martín (mardani29@yahoo.es) kirjoitti:

> tags 62831 + unreproducible
> quit
>
> Sami Lahtinen <sami.lahtinen@gmail.com> writes:
>
> > la 15. huhtik. 2023 klo 22.51 Daniel Martín (mardani29@yahoo.es)
> kirjoitti:
> >
> >> Sami Lahtinen <sami.lahtinen@gmail.com> writes:
> >>
> >> > Unfortunately I am unable to run GDB, as it seems that GDB doesn't
> run on
> >> > aarch64.
> >> >
> >> > I tried to debug using LLDB, but since I have no experience with these
> >> > things I was unable to do so. I can try to find some time to learn the
> >> > process next week, but it might take a while, as I have never done any
> >> > debugging before. Maybe someone with more experience has access to an
> >> Apple
> >> > silicon machine and can replicate the bug?
> >>
> >> If you open Console.app, you should see the Emacs crash there, under
> >> Crash Reports.  Could you upload the report to this bug thread?
> >>
> >> I will attach it to this email.
>
> I have taken a look at the backtrace and it shows that the crash is in
> Apple WebKit when it tries to initialize the JS VM (the dictionary popup
> is apparently implemented using a web viewer).  I've converted the
> backtrace to plain text and attached it to this bug report.
>
> >
> > I can try to pinpont the part of my init.el that is causing this bug, but
> > it will take a day or two.
> >
>
> Yes, that'd be helpful.  If anyone has a detailed recipe to reproduce
> this bug, feel free to comment.  For know, I've tagged the bug as
> unreproducible.
>
>

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[-- Attachment #2: bug-only-init.el --]
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;; This seems to be the minimum init file that I can use to replicate the bug discussed in "bug#62831: 29.0.90; Emacs-pretest-29.0.90 aarch64 on macOS crashes when receiving a three-finger tap."
;;
;; Running this init file with:
;; /Applications/Emacs29.app/Contents/MacOS/Emacs -Q --load="~/.emacs.d/bug-only-init.el"
;; seems to cause a crash in connection with the macOS three-finger-tap functionality, that can be enabled in:
;; System Preferences -> Trackpad -> Point & Click -> Look up & data detectors, Tap with three fingers.
;;
;; Version of Emacs I used to replicate the bug:
;;
;; GNU Emacs 29.0.90 (build 1, aarch64-apple-darwin21.6.0, NS appkit-2113.60 Version 12.6.1 (Build 21G217)) of 2023-04-11

(package-initialize)
(package-refresh-contents)
(package-install 'use-package)

(require 'use-package)

(use-package vterm)

bug#62831: 29.0.90; Emacs-pretest-29.0.90 aarch64 on macOS crashes when receiving a three-finger tap.

[Eli Zaretskii]

> From: Sami Lahtinen <sami.lahtinen@gmail.com>
> Date: Sun, 16 Apr 2023 20:07:11 +0300
> Cc: Eli Zaretskii <eliz@gnu.org>, 62831@debbugs.gnu.org
> 
> I think I pinpointed the problem.
> I was able to reproduce the bug with a minimal init configuration that only loads the vterm package.
> 
> I'll attach the init file here, hope this helps!

Thanks.

vterm is not part of Emacs, so I suggest to report this to the vterm
developers first.

bug#62831: 29.0.90; Emacs-pretest-29.0.90 aarch64 on macOS crashes when receiving a three-finger tap.

[Sami Lahtinen]

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su 16.4.2023 klo 20.21 Eli Zaretskii <eliz@gnu.org> kirjoitti:

> > From: Sami Lahtinen <sami.lahtinen@gmail.com>
> > Date: Sun, 16 Apr 2023 20:07:11 +0300
> > Cc: Eli Zaretskii <eliz@gnu.org>, 62831@debbugs.gnu.org
> >
> > I think I pinpointed the problem.
> > I was able to reproduce the bug with a minimal init configuration that
> only loads the vterm package.
> >
> > I'll attach the init file here, hope this helps!
>
> Thanks.
>
> vterm is not part of Emacs, so I suggest to report this to the vterm
> developers first.
>

I can do that. But I don’t know if the bug is in vterm as such or just
something that the vterm package installation “enables” in this particular
setup, as actually using vterm is not required to replicate the bug. The
crash happens after simply loading the package. There might be other ways
of causing this bug as well that might not be related to vterm.

Sami

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bug#62831: 29.0.90; Emacs-pretest-29.0.90 aarch64 on macOS crashes when receiving a three-finger tap.

[Sami Lahtinen]

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It seems that installing vterm compiles something called "vterm-module".
This seems to be necessary to reproduce the bug.
So, indeed it seems this is a vterm bug. I will notify vterm developers.
My apologies if reporting this issue here was/is inappropriate.
Thank you,

Sami



su 16. huhtik. 2023 klo 20.29 Sami Lahtinen (sami.lahtinen@gmail.com)
kirjoitti:

>
>
> su 16.4.2023 klo 20.21 Eli Zaretskii <eliz@gnu.org> kirjoitti:
>
>> > From: Sami Lahtinen <sami.lahtinen@gmail.com>
>> > Date: Sun, 16 Apr 2023 20:07:11 +0300
>> > Cc: Eli Zaretskii <eliz@gnu.org>, 62831@debbugs.gnu.org
>> >
>> > I think I pinpointed the problem.
>> > I was able to reproduce the bug with a minimal init configuration that
>> only loads the vterm package.
>> >
>> > I'll attach the init file here, hope this helps!
>>
>> Thanks.
>>
>> vterm is not part of Emacs, so I suggest to report this to the vterm
>> developers first.
>>
>
> I can do that. But I don’t know if the bug is in vterm as such or just
> something that the vterm package installation “enables” in this particular
> setup, as actually using vterm is not required to replicate the bug. The
> crash happens after simply loading the package. There might be other ways
> of causing this bug as well that might not be related to vterm.
>
> Sami
>
>
>
>

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bug#62831: 29.0.90; Emacs-pretest-29.0.90 aarch64 on macOS crashes when receiving a three-finger tap.

[Stefan Kangas]

tags 62831 notabug
close 62831
thanks

Sami Lahtinen <sami.lahtinen@gmail.com> writes:

> It seems that installing vterm compiles something called "vterm-module". This seems to be necessary to reproduce the bug.
> So, indeed it seems this is a vterm bug. I will notify vterm developers.
> My apologies if reporting this issue here was/is inappropriate.
> Thank you,

This seems not to be a bug in Emacs, so I'm closing it.