From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eval EXEC Newsgroups: gmane.emacs.devel Subject: Re: [scratch/igc] 985247b6bee crash on Linux, KDE, Wayland Date: Fri, 06 Sep 2024 21:14:16 +0800 Message-ID: <87r09wc4bb.fsf@gmail.com> References: <8734mezkgo.fsf@gmail.com> <87v7zagcal.fsf@gmail.com> <867cbp3nw7.fsf@gnu.org> <87v7z9msrl.fsf@gmail.com> <874j6tqxyg.fsf@gmail.com> <87jzfpfhmf.fsf@protonmail.com> <87o751z3zr.fsf@gmail.com> <87bk11fcv2.fsf@protonmail.com> <87wmjp2nkx.fsf@gmail.com> <8734mdey75.fsf@protonmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="18935"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Eli Zaretskii , gerd.moellmann@gmail.com, emacs-devel@gnu.org To: Pip Cet Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Fri Sep 06 15:48:07 2024 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1smZJk-0004kk-S6 for ged-emacs-devel@m.gmane-mx.org; Fri, 06 Sep 2024 15:48:04 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1smZJK-0003nt-3H; Fri, 06 Sep 2024 09:47:38 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1smYn8-0001wX-Cs for emacs-devel@gnu.org; Fri, 06 Sep 2024 09:14:23 -0400 Original-Received: from mail-pf1-x443.google.com ([2607:f8b0:4864:20::443]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1smYn6-0006jr-LV; Fri, 06 Sep 2024 09:14:22 -0400 Original-Received: by mail-pf1-x443.google.com with SMTP id d2e1a72fcca58-71767ef16b3so1281047b3a.0; Fri, 06 Sep 2024 06:14:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1725628459; x=1726233259; darn=gnu.org; h=content-transfer-encoding:mime-version:message-id:date:references :in-reply-to:subject:cc:to:from:from:to:cc:subject:date:message-id :reply-to; bh=Q4RToP/BSYD7oum78jTKErf1gC+GRk4tpq8Kx4Umrmw=; b=aQ7fePRYpAEOxr54oEYYClYnD85FhfPihnTMZ54sOUpOpN3e9iHZP+BniIh7ehTmHS +hxGJE73kbaIalt62Ioy59CMqwYPfhdtit61U+e9sBqpnFBBpSPXsUyoWetbiZbNU4l1 fWZ/dIOPEEms4aHroZmF2o7EMcO6nIw28s6yfxieKrDVHC9VKso3ui7ix/IdHS2rwyvI g26+vNDZKKNXOCM+YnBTbYj3kk/U7DIMFZsyefL/UgkoS+fLj8hxQBNukcQyNKbAiEey Lr3ZbeRB7G08RxclL6rd50dQnyN/9A57C4TQCjl3OykGxjXX/ag22yMNgxfWHwRAVzZS Imiw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1725628459; x=1726233259; h=content-transfer-encoding:mime-version:message-id:date:references :in-reply-to:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Q4RToP/BSYD7oum78jTKErf1gC+GRk4tpq8Kx4Umrmw=; b=oGqrhpuYI7yUEqgh0Jj5aQf5lMfTmY9ZvWXXWJhCP+u6yGqrHKlyY1C1YaHciaCyPp +TlsypNUqzHm+oZ6ohNUDC46zM6eABt7O9Cx2w1V7qKjaS7og2hNEOBHS+KZcuHEfp4L 1WF/Gbd5Pdjll5OX1zybTBdgzq6pKrVAI8zFlirRZDt71qYylHVFQFebdMZ7TToHA5lg eumEd4DatbGz/2G8jSKyJz31qUUvEh/sh003cfUS2hO7I15frexLMhfdllDlsK+HM7dC kSXfiW4B2Qp1vbggxLDr3DJ4ApHoUyUT7sFDx70iuufQ8Q3rARvgCDYRVjyVm6Ccr5ts gOrQ== X-Forwarded-Encrypted: i=1; AJvYcCWY+OzId8c0HfaS5r7CtbHc6i7Q2mUI4w4VINM/y1CKaDRKd62GgdozZs5treY3wJW0CaWSNtuEx42L/w==@gnu.org X-Gm-Message-State: AOJu0YzNW0etWeD4AVYZUQcDPb48lKY0/lzILHioZOIu+U1QarvVc95I rGa/y/TNb1qNRkTFdVb7RzR3TQPvLTqZpdjrXxew3AzfpyMSQUGc X-Google-Smtp-Source: AGHT+IH6wrzfcynC7atSfQ+lXzQFhky9ZscPJBdEC0Mr//HscK3gFW+qCAvMsAsvhHEERuGJug0GXw== X-Received: by 2002:a05:6300:44:b0:1ce:ebb7:dcb8 with SMTP id adf61e73a8af0-1cf1d05864amr2299270637.3.1725628458329; Fri, 06 Sep 2024 06:14:18 -0700 (PDT) Original-Received: from localhost (144.34.182.14.16clouds.com. [144.34.182.14]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-717785b4b4bsm4805580b3a.199.2024.09.06.06.14.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 06 Sep 2024 06:14:18 -0700 (PDT) In-Reply-To: <8734mdey75.fsf@protonmail.com> (Pip Cet's message of "Fri, 06 Sep 2024 12:58:08 +0000") Received-SPF: pass client-ip=2607:f8b0:4864:20::443; envelope-from=execvy@gmail.com; helo=mail-pf1-x443.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Fri, 06 Sep 2024 09:47:34 -0400 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:323475 Archived-At: Pip Cet writes: > "Eval EXEC" writes: > >> Pip Cet writes: >> >>> "Eval EXEC" writes: >>> >>>>> Thanks, and sorry you're seeing so many crashes. It's stable here, so >>>>> we're going to need your help debugging this :-) >>>> >>>> Thanks for the update. No problem. I'm really happy to debug with you = all. >>>> =E5=85=A8=E4=B8=96=E7=95=8C Emacs =E7=94=A8=E6=88=B7=E8=81=94=E5=90= =88=E8=B5=B7=E6=9D=A5=EF=BC=8C Make Emacs Great Again! >>> >>> That's great :-) >>> >>>>> Did you use any special options or patches when building mps (link ti= me >>>>> optimization or -O3, in particular)? >>>> >>>> No special options or patches >>> >>>>> This is the cons cell itself (the IGC header is what "cons" points to= ). >>>>> >>>>> Please also run >>>>> >>>>> (gdb) x/64gx 0x7f08addd0600 >>>> It's >>>> (gdb) x/64gx 0x7f08addd0600 >>>> 0x7f08addd0600: 0x00007f08addd063b 0x00000003df45210d >>>> 0x7f08addd0610: 0x0000000000000000 0x00007f08addd0653 >>>> 0x7f08addd0620: 0x00000003df45240d 0x0000000000012638 >>> >>> We need to look up a few builtin symbols: 0x12638 is the first one, >>> corresponding to symbol index 1345. >>> >>>> 0x7f08addd0630: 0x00007f08addd066b 0x00000003df44f80d >>>> 0x7f08addd0640: 0x0000000000000000 0x00007f08addd0683 >>>> 0x7f08addd0650: 0x00000003df45220d 0x000000000000a5d0 >>> >>> 0xa5d0 is the next one, and that's index 758. >>> >>>> 0x7f08addd0660: 0x00007f08addd069b 0x00000003df45250d >>>> 0x7f08addd0670: 0x0000000000000038 0x00007f08addd06b3 >>> >>> 0x38 is t. >>> >>>> 0x7f08addd0680: 0x00000003df44f90d 0x000000000000a5d0 >>>> 0x7f08addd0690: 0x00007f08addd06cb 0x00000003df45230d >>>> 0x7f08addd06a0: 0x00007f08addd06e3 0x0000000000000000 >>>> 0x7f08addd06b0: 0x00000003df45260d 0x00007f0889546b70 >>>> 0x7f08addd06c0: 0x00007f08936d87d3 0x00000003df44fa0d >>>> 0x7f08addd06d0: 0x00007f08936ceb33 0x0000000000000000 >>>> 0x7f08addd06e0: 0x00000003df44e70d 0x0000000000001538 >>> >>> 0x1538 is the last one, and that's index 97. >>> >>> In gdb, can you run >>> >>> (gdb) print defsym_name[97] >>> (gdb) print defsym_name[758] >>> (gdb) print defsym_name[1345] >>> >>> to see which symbol corresponds to each index? >>> >>> Thanks! >>> >>> Pip >> It's >> (gdb) print defsym_name[97] >> $9 =3D >> (gdb) print defsym_name[758] >> $10 =3D >> (gdb) print defsym_name[1345] >> $11 =3D > > Can you try what Eli suggested? > > (gdb) p 0xa5d0 > (gdb) xsymbol > (gdb) p 0x1538 > (gdb) xsymbol > (gdb) p 0x12638 > (gdb) xsymbol (gdb) p 0xa5d0 $3 =3D 42448 (gdb) xsymbol $4 =3D (struct Lisp_Symbol *) 0xd264b0 "font-lock-face" (gdb) p 0x1538 $5 =3D 5432 (gdb) xsymbol $6 =3D (struct Lisp_Symbol *) 0xd1d418 ":foreground" (gdb) p 0x12638 $7 =3D 75320 (gdb) xsymbol $8 =3D (struct Lisp_Symbol *) 0xd2e518 "rear-nonsticky" > If that also fails, can you find the globals.h that was generated when > Emacs was built and find out which iQ... is 97, 758, and 1345? It's ``` emacs on =EE=82=A0 scratch/igc via =E2=9D=84=EF=B8=8F impure (nix-shell) =E2=9D=AF fd -I -H globals.h src/globals.h emacs on =EE=82=A0 scratch/igc via =E2=9D=84=EF=B8=8F impure (nix-shell) =E2=9D=AF grep -C 1 "97\|758\|1345" -w src/globals.h DEFINE_LISP_SYMBOL (QCfontset) #define iQCforeground 97 DEFINE_LISP_SYMBOL (QCforeground) -- DEFINE_LISP_SYMBOL (Qfont_extra_type) #define iQfont_lock_face 758 DEFINE_LISP_SYMBOL (Qfont_lock_face) -- DEFINE_LISP_SYMBOL (Qreally_fast) #define iQrear_nonsticky 1345 DEFINE_LISP_SYMBOL (Qrear_nonsticky) -- # define QCfontset builtin_lisp_symbol (96) # define QCforeground builtin_lisp_symbol (97) # define QCformat builtin_lisp_symbol (98) -- # define Qfont_extra_type builtin_lisp_symbol (757) # define Qfont_lock_face builtin_lisp_symbol (758) # define Qfont_name builtin_lisp_symbol (759) -- # define Qreally_fast builtin_lisp_symbol (1344) # define Qrear_nonsticky builtin_lisp_symbol (1345) # define Qrecord builtin_lisp_symbol (1346) ```