From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Noam Postavsky Newsgroups: gmane.emacs.bugs Subject: bug#19868: #19868 25.0.50; Compilation eats buffers Date: Fri, 12 Aug 2016 16:47:07 -0400 Message-ID: References: NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Trace: blaine.gmane.org 1471034900 26814 195.159.176.226 (12 Aug 2016 20:48:20 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Fri, 12 Aug 2016 20:48:20 +0000 (UTC) Cc: Richard Copley To: 19868@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Aug 12 22:48:16 2016 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bYJNI-0006pq-01 for geb-bug-gnu-emacs@m.gmane.org; Fri, 12 Aug 2016 22:48:16 +0200 Original-Received: from localhost ([::1]:54867 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bYJNE-0005OK-0N for geb-bug-gnu-emacs@m.gmane.org; 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Fri, 12 Aug 2016 20:48:01 +0000 Original-Received: (at 19868) by debbugs.gnu.org; 12 Aug 2016 20:47:15 +0000 Original-Received: from localhost ([127.0.0.1]:55462 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bYJMJ-0002YF-7a for submit@debbugs.gnu.org; Fri, 12 Aug 2016 16:47:15 -0400 Original-Received: from mail-oi0-f52.google.com ([209.85.218.52]:34891) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bYJMH-0002Xx-Tm for 19868@debbugs.gnu.org; Fri, 12 Aug 2016 16:47:14 -0400 Original-Received: by mail-oi0-f52.google.com with SMTP id 4so49381861oih.2 for <19868@debbugs.gnu.org>; Fri, 12 Aug 2016 13:47:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:from:date:message-id:subject:to:cc; bh=m5ORyNPW/QcR48f0Y3itTg5sUPQ42wzeVSSdgYecs0I=; b=w6KU5EGYNBVbPUFj/BFsB8nsP0OEpGJ3JMDk3HmJUr3fx2oih3dtKMXu5ir3s5EGZl Id2G7wU0mo3Th+Ex/oKznWtfmoUH7sLARQHT1e2Qk+lLgzZeVrU87GfzYevCFoUarnba imKQy+h557UnOKxSWPQSsF4sY//SjI0HLXJF1tEOJH1xNFYE4+blMJZvFSbKhFPwJTxi zpz+jDcB9f6ma5FGGJAPV+2p+uxpY69Poam/z9cP2nAiyzRk3q5DAFeRMjIDNXYvPpF1 jy96FV56zl2GDhqvYA8WuGzDNDNCZ0mhzE7jWJUvjM1sCo6p8qAAeBXirtvrXShBVzDm GSJg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:sender:from:date:message-id:subject :to:cc; bh=m5ORyNPW/QcR48f0Y3itTg5sUPQ42wzeVSSdgYecs0I=; b=Hv6TGvuucJabWgSnKyb9g8XXt5oG6onFz2StLYEo1DejDldp3yzw9Vy+q88nLtdAUt FubSYtbHGrpR0aCC8AsvOENJvzmsR0wxKRBTkABmvIMBkoZRMcLlp1x8VNUa1HO4LfLr Mp7p+nN9y2rQaqpjyuhnPBDsZE7KswK4WtQ3zaV/XDRAIkVV38z4M2mNmAtpxCrJNrbU MnClVHqF+B62vE4Ho237WrsUA3KjRz6HoxBlFYz7XdDniY85sEzfpraBvv3UYyIcBifX VvKlywvMuCtsqhaZsC5MXngrM9P+m2uy57JVE7vm78H8jMBKyFe+wGCBmZEai+cahRM0 5DLQ== X-Gm-Message-State: AEkooutnhtfnBbTEsoaqEbvc2jCxg6AZOK3hH2RPM8OybVFbZ9RLvH11jh6p8d6sbfUz9dqr+bEmzNsKQlJP2w== X-Received: by 10.202.245.88 with SMTP id t85mr8111280oih.202.1471034828223; Fri, 12 Aug 2016 13:47:08 -0700 (PDT) Original-Received: by 10.157.7.200 with HTTP; Fri, 12 Aug 2016 13:47:07 -0700 (PDT) X-Google-Sender-Auth: 1uoc_YZHdmj63VJUDiB3bpvlRKs X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:122137 Archived-At: retitle 19868 [w32] restarting compilation hangs trying to kill process found 19868 25.1 quit > I tried this on Windows 7 and XP, and both show the same correct > behavior. > > It could be that what you see is specific to Windows 8, or to 64-bit > programs, or to how MinGW64 sets up the process in its startup code (I > used MinGW32). > > You say above that Emacs hangs inside the delete-process call -- can > you show a backtrace in that state, preferably from an unoptimized > build? I'd like to see where exactly it hangs. I reproduced this (the hanging, not the buffer eating) on Windows 10, Emacs 25.1, MinGW64. Stepping with gdb I found the the hang occurs in sys_close where it calls _close (fd). This is being called from deactivate_process: for (i = 0; i < PROCESS_OPEN_FDS; i++) close_process_fd (&p->open_fd[i]); // <-- when i == 2