Date: Mon, 9 Apr 2001 11:37:16 +0900 From: "Hiroaki Yamazaki" <yamazaki.hiroaki@kcn.ts.fujitsu.co.jp> To: "Zhihui Zhang" <zzhang@cs.binghamton.edu> Cc: <questions@FreeBSD.ORG> Subject: Re: ptrace(PT_GETDBREGS) failed Message-ID: <00b601c0c09d$fdcfdaf0$a65017ac@bc.kcn.ts.fujitsu.co.jp> References: <Pine.SOL.4.21.0104052305150.22692-100000@opal>
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Dear Zhihui Thanks for your advice. I could fetch out similar phenomena from problem reports about FreeBSD 5.0-CURRENT. http://www.freebsd.org/cgi/query-pr.cgi?pr=21685 Hiroaki Yamazaki ----- Original Message ----- From: "Zhihui Zhang" <zzhang@cs.binghamton.edu> To: "Hiroaki Yamazaki" <yamazaki.hiroaki@kcn.ts.fujitsu.co.jp> Cc: <questions@FreeBSD.ORG> Sent: Friday, April 06, 2001 12:06 PM Subject: Re: ptrace(PT_GETDBREGS) failed On Fri, 6 Apr 2001, Hiroaki Yamazaki wrote: > 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 <procfs_validdbregs> > (kgdb) p/x *procfs_validdbregs I posted the same messages a while ago. Please search the archive for details. It is basically harmless. -Zhihui To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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