Date: Mon, 3 Nov 2003 22:29:34 +0000 From: Michael McGoldrick <michael@mcgoldrick.org> To: current@freebsd.org Subject: Panic from a recentish kernel: panic: Exit: Single threading fouled up Message-ID: <20031103222934.GA965@uriel.mcgoldrick.org>
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While trying to murder Mozilla and gwenview alongside compiling world and
perl, something went wrong...
Unfortunately, I'd updated my sources just prior to the event, so any listing
is probably highly suspect. Most things should be using libthr via libmap.
Apologies for the lack of info, I'll see if I can reproduce it and get
something more concrete (without losing 868 buffers this time, hopefully)
panic: Exit: Single threading fouled up
syncing disks, buffers remaining... 1384 1384 1384 1384 1384 1384 1384 1384
138
1384 1384 1384 1384 1384 1384 1384 1384 1384 1384 1384
giving up on 868 buffers
Uptime: 3h23m8s
Dumping 127 MB
16 32 48 64[CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] 80 96 112
---
Reading symbols from
/usr/obj/usr/src/sys/URIEL/modules/usr/src/sys/modules/lin
x/linux.ko.debug...done.
Loaded symbols for
/usr/obj/usr/src/sys/URIEL/modules/usr/src/sys/modules/linux
linux.ko.debug
Reading symbols from /boot/kernel/ng_ubt.ko...done.
Loaded symbols for /boot/kernel/ng_ubt.ko
Reading symbols from /boot/kernel/netgraph.ko...done.
Loaded symbols for /boot/kernel/netgraph.ko
Reading symbols from
/usr/obj/usr/src/sys/URIEL/modules/usr/src/sys/modules/acp
/acpi.ko.debug...done.
Loaded symbols for
/usr/obj/usr/src/sys/URIEL/modules/usr/src/sys/modules/acpi/
cpi.ko.debug
Reading symbols from
/usr/obj/usr/src/sys/URIEL/modules/usr/src/sys/modules/ntf
/ntfs.ko.debug...done.
Loaded symbols for
/usr/obj/usr/src/sys/URIEL/modules/usr/src/sys/modules/ntfs/
tfs.ko.debug
Reading symbols from
/usr/obj/usr/src/sys/URIEL/modules/usr/src/sys/modules/lin
rocfs/linprocfs.ko.debug...done.
Loaded symbols for
/usr/obj/usr/src/sys/URIEL/modules/usr/src/sys/modules/linpr
cfs/linprocfs.ko.debug
Reading symbols from
/usr/obj/usr/src/sys/URIEL/modules/usr/src/sys/modules/ipf
/ipfw.ko.debug...done.
Loaded symbols for
/usr/obj/usr/src/sys/URIEL/modules/usr/src/sys/modules/ipfw/
pfw.ko.debug
Reading symbols from /boot/kernel/logo_saver.ko...done.
Loaded symbols for /boot/kernel/logo_saver.ko
#0 doadump () at /usr/src/sys/kern/kern_shutdown.c:240
240 dumping++;
(kgdb) bt
#0 doadump () at /usr/src/sys/kern/kern_shutdown.c:240
#1 0xc0540e28 in boot (howto=256) at /usr/src/sys/kern/kern_shutdown.c:372
#2 0xc05411b7 in panic () at /usr/src/sys/kern/kern_shutdown.c:550
#3 0xc0529511 in exit1 (td=0xc2d04be0, rv=1536)
at /usr/src/sys/kern/kern_exit.c:233
#4 0xc0528fe1 in sys_exit () at /usr/src/sys/kern/kern_exit.c:102
#5 0xc06a4430 in syscall (frame=
{tf_fs = 47, tf_es = 47, tf_ds = 47, tf_edi = -1077944160, tf_esi = 6,
tf
ebp = -1077945032, tf_isp = -820667020, tf_ebx = 691275236, tf_edx =
691276208,
tf_ecx = 23, tf_eax = 1, tf_trapno = 12, tf_err = 2, tf_eip = 676497947, tf_cs
31, tf_eflags = 582, tf_esp = -1077945060, tf_ss = 47})
at /usr/src/sys/i386/i386/trap.c:1012
#6 0xc069468d in Xint0x80_syscall () at {standard input}:144
---Can't read userspace from dump, or kernel process---
(kgdb) up 3
#3 0xc0529511 in exit1 (td=0xc2d04be0, rv=1536)
at /usr/src/sys/kern/kern_exit.c:233
233 ("realtime timer is still armed"));
(kgdb) l
228 if (timevalisset(&p->p_realtimer.it_value) &&
229 callout_stop(&p->p_itcallout) == 0) {
230 timevalclear(&p->p_realtimer.it_interval);
231 msleep(&p->p_itcallout, &p->p_mtx, PWAIT, "ritwait",
0)
232 KASSERT(!timevalisset(&p->p_realtimer.it_value),
233 ("realtime timer is still armed"));
234 }
235 PROC_UNLOCK(p);
236
237 /*
(kgdb) up 1
#4 0xc0528fe1 in sys_exit () at /usr/src/sys/kern/kern_exit.c:102
102 exit1(td, W_EXITCODE(uap->rval, 0));
(kgdb) l
97 void
98 sys_exit(struct thread *td, struct sys_exit_args *uap)
99 {
100
101 mtx_lock(&Giant);
102 exit1(td, W_EXITCODE(uap->rval, 0));
103 /* NOTREACHED */
104 }
105
106 /*
(kgdb) up 1
#5 0xc06a4430 in syscall (frame=
{tf_fs = 47, tf_es = 47, tf_ds = 47, tf_edi = -1077944160, tf_esi = 6,
tf
ebp = -1077945032, tf_isp = -820667020, tf_ebx = 691275236, tf_edx =
691276208,
tf_ecx = 23, tf_eax = 1, tf_trapno = 12, tf_err = 2, tf_eip = 676497947, tf_cs
31, tf_eflags = 582, tf_esp = -1077945060, tf_ss = 47})
at /usr/src/sys/i386/i386/trap.c:1012
1012 error = (*callp->sy_call)(td, args);
(kgdb) l
1007
1008 STOPEVENT(p, S_SCE, narg);
1009
1010 PTRACESTOP_SC(p, td, S_PT_SCE);
1011
1012 error = (*callp->sy_call)(td, args);
1013 }
1014
1015 switch (error) {
1016 case 0:
(kgdb)
--
Michael McGoldrick: michael@mcgoldrick.org
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