Date: Tue, 23 Nov 2010 05:25:19 -0800 From: Jeremy Chadwick <freebsd@jdc.parodius.com> To: Andriy Gapon <avg@freebsd.org> Cc: freebsd-stable@freebsd.org Subject: Re: Fwd: Re: Fail to use Dtrace on FreeBSD 8.1-STABLE Message-ID: <20101123132519.GA1426@icarus.home.lan> In-Reply-To: <20101123131353.GA7243@icarus.home.lan> References: <20101123081244.GA38354@icarus.home.lan> <20101123082046.GA62301@compaq.yuetime> <4CEBB613.5010009@freebsd.org> <20101123131353.GA7243@icarus.home.lan>
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On Tue, Nov 23, 2010 at 05:13:53AM -0800, Jeremy Chadwick wrote: > On Tue, Nov 23, 2010 at 02:39:47PM +0200, Andriy Gapon wrote: > > on 23/11/2010 10:20 Zhihao Yuan said the following: > > > Attach my kernel configuration here, just in case. > > > > > > On 00:12 Tue 23 Nov, Jeremy Chadwick wrote: > > >> Forwarding back to the mailing list since the OP didn't CC it on his > > >> reply to me. > > >> > > >> ----- Forwarded message from Zhihao Yuan <lichray@gmail.com> ----- > > >> > > >>> From: Zhihao Yuan <lichray@gmail.com> > > >>> To: Jeremy Chadwick <freebsd@jdc.parodius.com> > > >>> Date: Tue, 23 Nov 2010 01:18:57 -0600 > > >>> Subject: Re: Fail to use Dtrace on FreeBSD 8.1-STABLE > > >>> > > >>> I followed the instructions, but still can not run any D-scripts. All > > >>> scripts shows the error message that I just posted. > > > > Are the installed world and the installed kernel in sync? > > (Built from the same state of source code). > > FWIW, I can reproduce his problem when following the procedure outlined > in the Wiki. > > As a workaround I tried adding WITH_CTF=true to /etc/src.conf and > rebuilding + reinstalling world + reboot, to no avail. I'm rebuilding > the kernel now to see if that makes a difference after the above > workaround. Nope, no go. icarus# kldload dtraceall icarus# dtrace -lP syscall dtrace: invalid probe specifier syscall: "/usr/lib/dtrace/psinfo.d", line 37: syntax error near "uid_t" icarus# ls -l /boot/kernel/kernel -r-xr-xr-x 1 root wheel 7180261 Nov 23 05:16 /boot/kernel/kernel icarus# ls -l /usr/lib/dtrace total 32 -r--r--r-- 1 root wheel 8608 Nov 23 05:09 drti.o -r--r--r-- 1 root wheel 6910 Nov 23 05:09 errno.d -r--r--r-- 1 root wheel 3196 Nov 23 05:09 psinfo.d -r--r--r-- 1 root wheel 3597 Nov 23 05:09 regs_x86.d -r--r--r-- 1 root wheel 3121 Nov 23 05:09 signal.d -r--r--r-- 1 root wheel 2019 Nov 23 05:09 unistd.d icarus# vim /usr/lib/dtrace/psinfo.d ... 31 typedef struct psinfo { 32 int pr_nlwp; /* number of threads */ 33 pid_t pr_pid; /* unique process id */ 34 pid_t pr_ppid; /* process id of parent */ 35 pid_t pr_pgid; /* pid of process group leader */ 36 pid_t pr_sid; /* session id */ 37 uid_t pr_uid; /* real user id */ 38 uid_t pr_euid; /* effective user id */ 39 gid_t pr_gid; /* real group id */ 40 gid_t pr_egid; /* effective group id */ -- | Jeremy Chadwick jdc@parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |
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