KSE panic

I'm still getting this KSE panic. I'd like it to be added to 5.2's TODO 
list.

I haven't tested the system without ACPI. First, as I say, because the 
panic is difficult to reproduce. Second, because it didn't happen three 
months ago, so it's unlikely to be a bug in my computer's ACPI, but a 
bug in code. Therefore, it should be fixed, not masked.

This time I don't have a full backtrace because I had just compiled a 
new kernel. Anyone knows how do I get kernel.debug installed right along 
all the rest of the stuff? :-(

I don't know what the computer was doing, exactly, at the time. I was 
running a full system upgrade. I believe it was running portupgrade at 
the time.

Trace below...

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 
conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i386-undermydesk-freebsd"...(no debugging 
symbols found)...
panic: KSE not on run queue
panic messages:
---
panic: No strategy on dev null responsible for buffer 0xc774e418


syncing disks, buffers remaining... panic: KSE not on run queue
Uptime: 7h11m18s
Dumping 255 MB
ata0: resetting devices ..
done
ad0: timeout waiting for DRQata0: resetting devices ..
ata0-slave: timeout waiting for cmd=ec s=00 e=00
ata0-slave: ATA identify failed
done
  16 32 48 64 80 96 112 128 144 160 176 192 208 224 240
---
Reading symbols from /boot/kernel/snd_cmi.ko...(no debugging symbols 
found)...done.
Loaded symbols for /boot/kernel/snd_cmi.ko
Reading symbols from /boot/kernel/snd_pcm.ko...(no debugging symbols 
found)...done.
Loaded symbols for /boot/kernel/snd_pcm.ko
Reading symbols from 
/usr/obj/usr/src/sys/DCS/modules/usr/src/sys/modules/mac_biba/mac_biba.ko.debug...done.
Loaded symbols for 
/usr/obj/usr/src/sys/DCS/modules/usr/src/sys/modules/mac_biba/mac_biba.ko.debug
Reading symbols from 
/usr/obj/usr/src/sys/DCS/modules/usr/src/sys/modules/mac_mls/mac_mls.ko.debug...done.
Loaded symbols for 
/usr/obj/usr/src/sys/DCS/modules/usr/src/sys/modules/mac_mls/mac_mls.ko.debug
Reading symbols from 
/usr/obj/usr/src/sys/DCS/modules/usr/src/sys/modules/acpi/acpi.ko.debug...done.
Loaded symbols for 
/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 
/usr/obj/usr/src/sys/DCS/modules/usr/src/sys/modules/linux/linux.ko.debug...done.
Loaded symbols for 
/usr/obj/usr/src/sys/DCS/modules/usr/src/sys/modules/linux/linux.ko.debug
#0  0xc01e6cfb in doadump ()
(kgdb) bt full
#0  0xc01e6cfb in doadump ()
No symbol table info available.
#1  0xc01e7323 in boot ()
No symbol table info available.
#2  0xc01e766b in panic ()
No symbol table info available.
#3  0xc01fa802 in sched_rem ()
No symbol table info available.
#4  0xc01ecfa3 in adjustrunqueue ()
No symbol table info available.
#5  0xc01fa550 in sched_prio ()
No symbol table info available.
#6  0xc01f9fb9 in schedcpu ()
No symbol table info available.
#7  0xc01f69bc in softclock ()
No symbol table info available.
#8  0xc01c5992 in ithread_loop ()
No symbol table info available.
#9  0xc01c4980 in fork_exit ()
No symbol table info available.


-- 
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_at_tco.net.br
         Daniel.Sobral_at_tcoip.com.br
         dcs_at_tcoip.com.br

Outros:
	dcs_at_newsguy.com
	dcs_at_freebsd.org
	capo_at_notorious.bsdconspiracy.net

Have you noticed that all you need to grow healthy, vigorous grass is a
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