Date: Mon, 3 Jul 2006 13:53:40 +0930 From: "Daniel O'Connor" <doconnor@gsoft.com.au> To: freebsd-stable@freebsd.org Subject: Re: 6.1-STABLE panic Message-ID: <200607031353.42158.doconnor@gsoft.com.au> In-Reply-To: <200606301021.35529.doconnor@gsoft.com.au> References: <200606301021.35529.doconnor@gsoft.com.au>
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On Friday 30 June 2006 10:21, Daniel O'Connor wrote:
> I have an odd problem with 6.1 where it panics, and then when it reboots
> the system hangs solid just after printing how much memory is in the
> system, the only way out is the reset switch.
> Fatal trap 12: page fault while in kernel mode
> fault virtual address =3D 0xb6
> fault code =3D supervisor read, page not present
> instruction pointer =3D 0x20:0xc0512564
> stack pointer =3D 0x28:0xdea06b1c
> frame pointer =3D 0x28:0xdea06b4c
I got another one in 'rtorrent' (BitTorrent client) with exactly the same
stack & frame pointer and stack trace.
#7 0xc0512564 in soo_poll (fp=3D0x54, events=3D-557274220, active_cred=3D0=
xdec8ab84,
td=3D0x122) at /data/src/sys/kern/sys_socket.c:232
232 {
Current language: auto; currently c
(kgdb) list
227 soo_poll(fp, events, active_cred, td)
228 struct file *fp;
229 int events;
230 struct ucred *active_cred;
231 struct thread *td;
232 {
233 struct socket *so =3D fp->f_data;
234 int error;
235
236 NET_LOCK_GIANT();
(kgdb) print so
$1 =3D (struct socket *) 0xc48f8300
(kgdb) print fp
$2 =3D (struct file *) 0x54
(kgdb) print fp->f_data
Cannot access memory at address 0x60
(kgdb) up
#8 0xc050cff1 in kern_select (td=3D0xc48f8300, nd=3D290, fd_in=3D0x8122000,
fd_ou=3D0x8122400, fd_ex=3D0x8122800, tvp=3D0xdec8acd0)
at /data/src/sys/kern/sys_generic.c:763
763 error =3D selscan(td, ibits, obits, nd);
(kgdb) print td
$3 =3D (struct thread *) 0xc48f8300
(kgdb) print ibits
$4 =3D {0xdec8ac1c, 0xdec8ac44, 0xdec8ac6c}
(kgdb) print obits
$5 =3D {0xdec8aba4, 0xdec8abcc, 0xdec8abf4}
(kgdb) print nd
$6 =3D 290
=2E..
I don't know where the stack frame for selscan went..
Does anyone else see this? It is fairly frequent and is getting a bit
frustrating :)
=2D-=20
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
-- Andrew Tanenbaum
GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C
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