Date: 3 Mar 2004 13:16:55 -0000 From: itetcu@apropo.ro To: freebsd-current@freebsd.org Subject: panic: Negative nice count. at line 414 in file /usr/src/sys/kern/sched_ule.c Message-ID: <20040303131655.24317.qmail@apropo.ro>
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Hi,
I got the system dropping to debugger when running portsdb -Uu and I did
a rtprio 16 on a make -B describe DIRPRFX=archivers/.
itetcu@it> /usr/src/sys/i386/conf [13:18:42] 0
# ident /usr/src/sys/kern/sched_ule.c
/usr/src/sys/kern/sched_ule.c:
$FreeBSD: src/sys/kern/sched_ule.c,v 1.99 2004/02/01 10:38:13 jeff Exp $
Is this fixed in /src/sys/kern/sched_ule.c v1.100, 2004/02/27 ?
All references about this that I could find where from April 2003.
itetcu@it> /home/itetcu/projects/vmcores [12:32:27] 0
# gdb -k KSE1_2003_02_12.debug vmcore.5
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\"...
panic: Negative nice count.
panic messages:
---
panic: Negative nice count.
at line 414 in file /usr/src/sys/kern/sched_ule.c
cpuid = 0;
Debugger(\"panic\")
Dumping 511 MB
16 32 48[CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] 64 80 96 112 128 144 160 176
192 208 224 240 256 272 288 304 320 336 352 368 384 400 416 432 448 464 480 496
---
Reading symbols from /usr/obj/usr/src/sys/KSE1/modules/usr/src/sys/modules/ipfw/ipfw.ko.debug..
.done.
Loaded symbols for /usr/obj/usr/src/sys/KSE1/modules/usr/src/sys/modules/ipfw/ipfw.ko.debug
Reading symbols from /boot/kernel/if_rl.ko...done.
Loaded symbols for /boot/kernel/if_rl.ko
Reading symbols from /boot/kernel/miibus.ko...done.
Loaded symbols for /boot/kernel/miibus.ko
Reading symbols from /boot/kernel/snd_via8233.ko...done.
Loaded symbols for /boot/kernel/snd_via8233.ko
Reading symbols from /boot/kernel/snd_pcm.ko...done.
Loaded symbols for /boot/kernel/snd_pcm.ko
Reading symbols from
/usr/obj/usr/src/sys/KSE1/modules/usr/src/sys/modules/dummynet/dummynet.ko.debug...done.
Loaded symbols for /usr/obj/usr/src/sys/KSE1/modules/usr/src/sys/modules/dummynet/dummynet.
ko.debug
Reading symbols from /boot/kernel/acpi.ko...done.
Loaded symbols for /boot/kernel/acpi.ko
Reading symbols from /boot/kernel/logo_saver.ko...done.
Loaded symbols for /boot/kernel/logo_saver.ko
Reading symbols from /usr/obj/usr/src/sys/KSE1/modules/usr/src/sys/modules/linux/linux.ko.
debug...done.
Loaded symbols for /usr/obj/usr/src/sys/KSE1/modules/usr/src/sys/modules/linux/linux.ko.debug
#0 doadump () at /usr/src/sys/kern/kern_shutdown.c:240
240 dumping++;
(kgdb) where
#0 doadump () at /usr/src/sys/kern/kern_shutdown.c:240
#1 0xc043c525 in db_fncall (dummy1=0, dummy2=0, dummy3=0, dummy4=0xd99327b0
\"àèkÀ\")
at /usr/src/sys/ddb/db_command.c:548
#2 0xc043c2aa in db_command (last_cmdp=0xc06bdf80, cmd_table=0x0,
aux_cmd_tablep=0xc0690120,
aux_cmd_tablep_end=0xc0690124) at /usr/src/sys/ddb/db_command.c:346
#3 0xc043c3c8 in db_command_loop () at /usr/src/sys/ddb/db_command.c:472
#4 0xc043f1b9 in db_trap (type=3, code=0) at /usr/src/sys/ddb/db_trap.c:73
#5 0xc0629743 in kdb_trap (type=3, code=0, regs=0xd99328f0) at
/usr/src/sys/i386/i386/db_interface.c:171
#6 0xc063e379 in trap (frame=
{tf_fs = 24, tf_es = 16, tf_ds = 16, tf_edi = -1066976699, tf_esi = 1, tf_ebp = -644667076,
tf_isp = -644667108, tf_ebx = 0, tf_edx = 0, tf_ecx = -1056882688, tf_eax = 18, tf_trapno = 3,
tf_err = 0, tf_eip = -1067279810, tf_cs = 8, tf_eflags = 150, tf_esp = -1066889009, tf_ss =
-1066982020}) at /usr/src/sys/i386/i386/trap.c:579
#7 0xc0629a3e in Debugger (msg=0x0) at machine/cpufunc.h:65
#8 0xc04d3404 in __panic (file=0xc0673a27 \"/usr/src/sys/kern/sched_ule.c\", line=414,
fmt=0xc0673a45 \"Negative nice count.\") at /usr/src/sys/kern/kern_shutdown.c:536
#9 0xc04e71c8 in kseq_nice_rem (kseq=0xc06c7d40, nice=0) at /usr/src/sys/kern/sched_ule.c:
414
#10 0xc04e70e7 in kseq_load_rem (kseq=0x0, ke=0xc06c7d40) at /usr/src/sys/kern/sched_ule.
c:392
#11 0xc04e8a89 in sched_clock (td=0xc47382a0) at /usr/src/sys/kern/sched_ule.c:1458
#12 0xc04af1b9 in statclock (frame=0xd9932a50) at /usr/src/sys/kern/kern_clock.c:434
#13 0xc064187f in rtcintr (frame=0xd9932a50) at /usr/src/sys/i386/isa/clock.c:380
#14 0xc062eb53 in intr_execute_handlers (isrc=0xc43838ec, iframe=0xd9932a50)
at /usr/src/sys/i386/i386/intr_machdep.c:192
#15 0xc063168a in lapic_handle_intr (frame=
{if_vec = 56, if_fs = 24, if_es = 16, if_ds = 16, if_edi = 9, if_esi = -1056734764, if_ebp =
-644666720, if_ebx = -1066595424, if_edx = -999062880, if_ecx = 1, if_eax = 582, if_eip =
-1068656334, if_cs = 8, if_eflags = 582, if_esp = -1066595424, if_ss = -1056734764}) at
/usr/src/sys/i386/i386/local_apic.c:488
#16 0xc0625ee3 in Xapic_isr1 () at {standard input}:36
#17 0xc04c95a0 in _mtx_unlock_spin_flags (m=0xc06d0ba0, opts=0, file=0x0, line=0)
at /usr/src/sys/kern/kern_mutex.c:378
#18 0xc04fbd52 in witness_checkorder (lock=0xc10381d4, flags=9, file=0xc0686b41
\"/usr/src/sys/vm/uma_core.c\",
line=1410) at /usr/src/sys/kern/subr_witness.c:870
#19 0xc04c925a in _mtx_lock_flags (m=0xc06d0ba0, opts=0, file=---Can\'t read userspace from
dump, or kernel process---
) at /usr/src/sys/kern/kern_mutex.c:249
#20 0xc0605fe7 in uma_zalloc_arg (zone=0xc10381d4, udata=0x0, flags=1) at
/usr/src/sys/vm/uma_core.c:1410
---Type <return> to continue, or q <return> to quit---
#21 0xc063a50e in get_pv_entry () at /usr/src/sys/vm/uma.h:234
#22 0xc063a644 in pmap_insert_entry (pmap=0xc46db714, va=0, mpte=0x0, m=0xc11df180)
at /usr/src/sys/i386/i386/pmap.c:1567
#23 0xc063aedf in pmap_enter (pmap=0xc46db714, va=134635520, m=0xc11df180, prot=7
\'\\a\',
wired=0)
at /usr/src/sys/i386/i386/pmap.c:2023
#24 0xc05f0f3b in vm_fault (map=0xc46db674, vaddr=134635520, fault_type=2 \'\\002\',
fault_flags=8)
at /usr/src/sys/vm/vm_fault.c:897
#25 0xc063e556 in trap_pfault (frame=0xd9932d48, usermode=1, eva=134635520)
at /usr/src/sys/i386/i386/trap.c:710
#26 0xc063e101 in trap (frame=
{tf_fs = 47, tf_es = 47, tf_ds = 47, tf_edi = 134635520, tf_esi = 14, tf_ebp = -1077942168,
tf_isp = -644665996, tf_ebx = 4096, tf_edx = 0, tf_ecx = 1024, tf_eax = -791621424, tf_trapno =
12, tf_err = 6, tf_eip = 672775767, tf_cs = 31, tf_eflags = 66070, tf_esp = -1077942224, tf_ss =
47}) at /usr/src/sys/i386/i386/trap.c:319
#27 0x2819be57 in ?? ()
---Can\'t read userspace from dump, or kernel process---
call kseq_print(0) in debugger produce:
kseq:
load 1
load TIMESHARE: -1
load transferable: 1
nicemin: 0
nicecounts
0=-1
0x9
itetcu@it> /usr/src/sys/i386/conf [12:38:51] 0
# uname -a
FreeBSD it.buh.cameradicommercio.ro 5.2-CURRENT FreeBSD 5.2-CURRENT #1:
Thu Feb 12 14:45:34 EET 2004
itetcu@it.buh.cameradicommercio.ro:/usr/obj/usr/src/sys/KSE1 i386
It is a UP system.
machine i386
#cpu I486_CPU
#cpu I586_CPU
cpu I686_CPU
ident KSE1
options CPU_ATHLON_SSE_HACK
options NPX_DEBUG
makeoptions DEBUG=-g #Build kernel with gdb(1) debug symbols
options BREAK_TO_DEBUGGER
#options SCHED_4BSD #4BSD scheduler
options SCHED_ULE #firts try, huh :)
options INET #InterNETworking
options INET6 #IPv6 communications protocols
options FFS #Berkeley Fast Filesystem
options SOFTUPDATES #Enable FFS soft updates support
options UFS_ACL #Support for access control lists
options UFS_DIRHASH #Improve performance on big directories
options MD_ROOT #MD is a potential root device
options NFSCLIENT #Network Filesystem Client
options NFSSERVER #Network Filesystem Server
options NFS_ROOT #NFS usable as /, requires NFSCLIENT
options MSDOSFS #MSDOS Filesystem
options CD9660 #ISO 9660 Filesystem
options PROCFS #Process filesystem (requires PSEUDOFS)
options PSEUDOFS #Pseudo-filesystem framework
options COMPAT_43 #Compatible with BSD 4.3 [KEEP THIS!]
options COMPAT_FREEBSD4 #Compatible with FreeBSD4
options SCSI_DELAY=15000 #Delay (in ms) before probing SCSI
options KTRACE #ktrace(1) support
options SYSVSHM #SYSV-style shared memory
options SYSVMSG #SYSV-style message queues
options SYSVSEM #SYSV-style semaphores
options _KPOSIX_PRIORITY_SCHEDULING #Posix P1003_1B real-time extensions
options KBD_INSTALL_CDEV # install a CDEV entry in /dev
options AHC_REG_PRETTY_PRINT # Print register bitfields in debug
# output. Adds ~128k to driver.
options AHD_REG_PRETTY_PRINT # Print register bitfields in debug
# output. Adds ~215k to driver.
options HZ=1000
options IPFIREWALL_VERBOSE
# Debugging for use in -current
options DDB #Enable the kernel debugger
options INVARIANTS #Enable calls of extra sanity checking
options INVARIANT_SUPPORT #Extra sanity checks of internal structures, required by
INVARIANTS
options WITNESS #Enable checks to detect deadlocks and cycles
#options WITNESS_SKIPSPIN #Don\'t run witness on spinlocks for speed
# To make an SMP kernel, the next two are needed
options SMP # Symmetric MultiProcessor Kernel
device apic # I/O APIC
device isa
device eisa
device pci
# Floppy drives
device fdc
# ATA and ATAPI devices
device ata
device atadisk # ATA disk drives
device ataraid # ATA RAID drives
device atapicd # ATAPI CDROM drives
options ATA_STATIC_ID #Static device numbering
# atkbdc0 controls both the keyboard and the PS/2 mouse
device atkbdc # AT keyboard controller
device atkbd # AT keyboard
device psm # PS/2 mouse
device vga # VGA video card driver
device splash # Splash screen and screen saver support
# syscons is the default console driver, resembling an SCO console
device sc
# Floating point support - do not disable.
device npx
# Add suspend/resume support for the i8254.
device pmtimer
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