Date: Tue, 20 May 2003 09:25:22 -0300 From: "Daniel C. Sobral" <dcs@tcoip.com.br> To: CURRENT <freebsd-current@FreeBSD.ORG> Cc: Robert Watson <rwatson@FreeBSD.ORG> Subject: Double panic -- KSE and /dev/null??? Message-ID: <3ECA1EB2.9040307@tcoip.com.br>
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The /dev/null panic was masked by the KSE panic, unfortunately. All I=20
have is the message:
panic: No strategy on dev null responsible for buffer 0xc78084f8
phk, I'm cc'ing you because I'm not sure if this is related to your=20
devfs work or not. You'll note I did *b*cc you, so you won't receive=20
follow ups. :-)
Likewise, mark, /dev/null seems to be yours. :-)
Now, as for the KSE panic, which I have noticed has the pronounced=20
tendency of appearing when dumping core, here it is:
GNU gdb 5.2.1 (FreeBSD)
Copyright 2002 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you =
are
welcome to change it and/or distribute copies of it under certain=20
conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for detail=
s.
This GDB was configured as "i386-undermydesk-freebsd"...
panic: KSE not on run queue
panic messages:
---
panic: No strategy on dev null responsible for buffer 0xc78084f8
syncing disks, buffers remaining... 2230 2230 2230 2229 2229 2229 2229=20
2229 panic: KSE not on run queue
Uptime: 50m29s
Dumping 255 MB
ata0: resetting devices ..
done
16 32 48 64 80 96 112 128 144 160 176[CTRL-C to abort] [CTRL-C to=20
abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to=20
abort] 192 208 224 240
---
Reading symbols from /boot/kernel/snd_cmi.ko...done.
Loaded symbols for /boot/kernel/snd_cmi.ko
Reading symbols from /boot/kernel/snd_pcm.ko...done.
Loaded symbols for /boot/kernel/snd_pcm.ko
Reading symbols from=20
/usr/obj/usr/src/sys/DCS/modules/usr/src/sys/modules/mac_biba/mac_biba.ko=
=2Edebug...done.
Loaded symbols for=20
/usr/obj/usr/src/sys/DCS/modules/usr/src/sys/modules/mac_biba/mac_biba.ko=
=2Edebug
Reading symbols from=20
/usr/obj/usr/src/sys/DCS/modules/usr/src/sys/modules/mac_mls/mac_mls.ko.d=
ebug...done.
Loaded symbols for=20
/usr/obj/usr/src/sys/DCS/modules/usr/src/sys/modules/mac_mls/mac_mls.ko.d=
ebug
Reading symbols from=20
/usr/obj/usr/src/sys/DCS/modules/usr/src/sys/modules/acpi/acpi.ko.debug..=
=2Edone.
Loaded symbols for=20
/usr/obj/usr/src/sys/DCS/modules/usr/src/sys/modules/acpi/acpi.ko.debug
Reading symbols from /boot/kernel/green_saver.ko...done.
Loaded symbols for /boot/kernel/green_saver.ko
Reading symbols from=20
/usr/obj/usr/src/sys/DCS/modules/usr/src/sys/modules/linux/linux.ko.debug=
=2E..done.
Loaded symbols for=20
/usr/obj/usr/src/sys/DCS/modules/usr/src/sys/modules/linux/linux.ko.debug=
#0 doadump () at /usr/src/sys/kern/kern_shutdown.c:238
238 dumping++;
(kgdb) bt full
#0 doadump () at /usr/src/sys/kern/kern_shutdown.c:238
No locals.
#1 0xc01e7353 in boot (howto=3D260) at /usr/src/sys/kern/kern_shutdown.c=
:370
No locals.
#2 0xc01e769b in panic () at /usr/src/sys/kern/kern_shutdown.c:543
td =3D (struct thread *) 0xc0ecbab0
bootopt =3D 260
newpanic =3D 0
buf =3D "KSE not on run queue\0ll responsible for buffer=20
0xc78084f8\n", '\0' <repeats 197 times>
#3 0xc01fa832 in sched_rem (ke=3D0xc0ecd300) at=20
/usr/src/sys/kern/sched_4bsd.c:639
No locals.
#4 0xc01ecfd3 in adjustrunqueue (td=3D0xc0ecd300, newpri=3D180) at=20
/usr/src/sys/kern/kern_switch.c:295
kg =3D (struct ksegrp *) 0xc0ed0780
ke =3D (struct kse *) 0xc0ecd300
#5 0xc01fa580 in sched_prio (td=3D0xc26434c0, prio=3D180 '=B4') at=20
/usr/src/sys/kern/sched_4bsd.c:545
No locals.
#6 0xc01f9fe9 in schedcpu (arg=3D0x0) at /usr/src/sys/kern/sched_4bsd.c:=
337
loadfac =3D 1962
td =3D (struct thread *) 0xc26434c0
p =3D (struct proc *) 0xc270d3c0
ke =3D (struct kse *) 0x0
kg =3D (struct ksegrp *) 0xc0ed0780
realstathz =3D 128
awake =3D 1
#7 0xc01f69ec in softclock (dummy=3D0x0) at=20
/usr/src/sys/kern/kern_timeout.c:195
c_func =3D (void (*)(void *)) 0xc01f9e30 <schedcpu>
c_arg =3D (void *) 0x0
c_flags =3D 14
c =3D (struct callout *) 0x0
bucket =3D (struct callout_tailq *) 0xc771ce90
curticks =3D 3029150
steps =3D 14
#8 0xc01c59c2 in ithread_loop (arg=3D0xc0ec8f00) at=20
/usr/src/sys/kern/kern_intr.c:537
ithd =3D (struct ithd *) 0xc0ec8f00
ih =3D (struct intrhand *) 0xc0ec0440
td =3D (struct thread *) 0xc0ecbab0
p =3D (struct proc *) 0xc0eca780
---Type <return> to continue, or q <return> to quit---
#9 0xc01c49b0 in fork_exit (callout=3D0xc0ec0440, arg=3D0x0, frame=3D0x0=
) at=20
/usr/src/sys/kern/kern_fork.c:768
td =3D (struct thread *) 0x0
p =3D (struct proc *) 0xc0ec8f00
Further information available upon request.
--=20
Daniel C. Sobral (8-DCS)
Gerencia de Operacoes
Divisao de Comunicacao de Dados
Coordenacao de Seguranca
VIVO Centro Oeste Norte
Fones: 55-61-313-7654/Cel: 55-61-9618-0904
E-mail: Daniel.Capo@tco.net.br
Daniel.Sobral@tcoip.com.br
dcs@tcoip.com.br
Outros:
dcs@newsguy.com
dcs@freebsd.org
capo@notorious.bsdconspiracy.net
Higher education helps your earning capacity. Ask any college professor.=
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