From owner-freebsd-questions Thu Apr 5 19:57:30 2001 Delivered-To: freebsd-questions@freebsd.org Received: from fgwmail6.fujitsu.co.jp (fgwmail6.fujitsu.co.jp [192.51.44.36]) by hub.freebsd.org (Postfix) with ESMTP id 9AE5137B43E for ; Thu, 5 Apr 2001 19:57:26 -0700 (PDT) (envelope-from yamazaki.hiroaki@kcn.ts.fujitsu.co.jp) Received: from m6.gw.fujitsu.co.jp by fgwmail6.fujitsu.co.jp (8.9.3/3.7W-MX0012-Fujitsu Gateway) id LAA19968 for ; Fri, 6 Apr 2001 11:57:24 +0900 (JST) (envelope-from yamazaki.hiroaki@kcn.ts.fujitsu.co.jp) Received: from ncsmail.bc.kcn.ts.fujitsu.co.jp by m6.gw.fujitsu.co.jp (8.9.3/3.7W-0104-Fujitsu Domain Master) id LAA13233 for ; Fri, 6 Apr 2001 11:57:23 +0900 (envelope-from yamazaki.hiroaki@kcn.ts.fujitsu.co.jp) Received: from atmlan.bc.kcn.ts.fujitsu.co.jp (atmlan.bc.kcn.ts.fujitsu.co.jp [172.23.83.6]) by ncsmail.bc.kcn.ts.fujitsu.co.jp (8.9.3/3.7W) with ESMTP id LAA19518 for ; Fri, 6 Apr 2001 11:57:23 +0900 (JST) Received: from HYAMAZAK (hyamazak.bc.kcn.ts.fujitsu.co.jp [172.23.80.166]) by atmlan.bc.kcn.ts.fujitsu.co.jp (8.9.3/3.7W[atmlan]05/29/2000) with SMTP id LAA27342 for ; Fri, 6 Apr 2001 11:53:23 +0900 (JST) Message-ID: <001101c0be44$c677d6d0$a65017ac@bc.kcn.ts.fujitsu.co.jp> Reply-To: "Hiroaki Yamazaki" From: "Hiroaki Yamazaki" To: Subject: ptrace(PT_GETDBREGS) failed Date: Fri, 6 Apr 2001 11:53:36 +0900 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-2022-jp" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4133.2400 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4133.2400 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Dear sir, I'm very new to FreeBSD. I'm tracing kernel source code of FreeBSD4.2 with remote GDB debug function which instructed by user hand book section 23.5. At every time after hit break point and continue, following message ,ptrace(PT_GETDBREGS) failed: No such process, appear on gdb display. Why and how to solve this ? kgdb) b key_timehandler Breakpoint 2 at 0xc023d001: file ../../netkey/key.c, line 4018. (kgdb) c Continuing. ptrace(PT_GETDBREGS) failed: No such process <--- Here Breakpoint 2, key_timehandler () at ../../netkey/key.c:4018 (kgdb) p/x procfs_validdbregs $5 = {int (struct proc *)} 0xc01e47a4 (kgdb) p/x *procfs_validdbregs Hiroaki Yamazaki To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message