Date: Sat, 29 Aug 1998 01:27:38 +0000 From: Mike Smith <mike@smith.net.au> To: Alexander Litvin <archer@lucky.net> Cc: Mike Smith <mike@smith.net.au>, current@FreeBSD.ORG Subject: Re: encountered possible VM bug ? Message-ID: <199808290127.BAA02277@word.smith.net.au> In-Reply-To: Your message of "Fri, 28 Aug 1998 12:24:31 %2B0300." <19980828122431.14123@carrier.kiev.ua>
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> On Fri, Aug 28, 1998 at 01:19:08AM +0000, Mike Smith wrote: > > > Reading symbols from /usr/libexec/ld.so...done. > > > Reading symbols from /usr/lib/aout/libc.so.3.1...done. > > > > > > Error accessing memory address 0x0: Bad address. > > > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > > > What exactly does that line mean? When I attach to not deseased dummy_daemon, > > > it does not appear, instead I see: > > > > It means that the instruction pointer obtained for the process is 0, > > which is invalid. > > Do you mean eip register? 'info registers' show: I was wrong; it means that at some point gdb has attempted to read from address 0, which is invalid, and it can't proceed. You would have to manually examine the core file to work out what's going on; I would guess that it's damaged somewhere. -- \\ Sometimes you're ahead, \\ Mike Smith \\ sometimes you're behind. \\ mike@smith.net.au \\ The race is long, and in the \\ msmith@freebsd.org \\ end it's only with yourself. \\ msmith@cdrom.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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