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Date: Fri, 16 Jul 2004 10:40:28 +0200 (CEST)
From: Piotr Gnyp <toread@discordia.pl>
To: questions@freebsd.org
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Subject: system crashed, help needed
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Today out of nowhere system crashed and rebooted:

system:
FreeBSD discordia.pl 5.2.1-RELEASE-p9 FreeBSD 5.2.1-RELEASE-p9 #31: Thu 
Jul  1 15:41:12 CEST 2004 
toread@discordia.pl:/usr/obj/usr/src/sys/OBLIVION  i386


info on reboot:
Jul 16 09:28:05 discordia savecore: reboot after panic: softdep_lock: 
lock held by 0xcbda2c80
Jul 16 09:28:05 discordia savecore: writing core to vmcore.6

dmesg:
Copyright (c) 1992-2004 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
         The Regents of the University of California. All rights 
reserved.
FreeBSD 5.2.1-RELEASE-p9 #31: Thu Jul  1 15:41:12 CEST 2004
     toread@discordia.pl:/usr/obj/usr/src/sys/OBLIVION
Preloaded elf kernel "/boot/kernel/kernel" at 0xc077b000.
Preloaded elf module "/boot/kernel/lrexec.ko" at 0xc077b1f4.
MPTable: <IBM ENSW xSeries 220 >
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel Pentium III (999.53-MHz 686-class CPU)
   Origin = "GenuineIntel"  Id = 0x68a  Stepping = 10

Features=0x383fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE>
real memory  = 402567168 (383 MB)
avail memory = 384917504 (367 MB)
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
  cpu0 (BSP): APIC ID:  3
  cpu1 (AP): APIC ID:  0
ioapic0: Assuming intbase of 0
ioapic1: Assuming intbase of 16
ioapic1 <Version 1.1> irqs 16-31 on motherboard
ioapic0 <Version 1.1> irqs 0-15 on motherboard
Pentium Pro MTRR support enabled
VESA: v2.0, 8192k memory, flags:0x1, mode table:0xc00c0b8d (c0000b8d)
VESA: S3 Incorporated. Savage4
npx0: [FAST]
npx0: <math processor> on motherboard
npx0: INT 16 interface
pcibios: BIOS version 2.10
pcib0: <MPTable Host-PCI bridge> at pcibus 0 on motherboard
pci0: <PCI bus> on pcib0
pcib0: slot 2 INTA routed to irq 27
pcib0: slot 10 INTA routed to irq 18
pcib0: slot 15 INTA routed to irq 10
pci0: <display, VGA> at device 1.0 (no driver attached)
fxp0: <Intel 82559 Pro/100 Ethernet> port 0x2200-0x223f mem 
0xfea00000-0xfeafffff,0xfeb7f000-0xfeb7ffff irq 27 at device 2.0
on pci0
fxp0: Ethernet address 00:02:55:6d:12:1a
miibus0: <MII bus> on fxp0
inphy0: <i82555 10/100 media interface> on miibus0
inphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
xl0: <3Com 3c905C-TX Fast Etherlink XL> port 0x2280-0x22ff mem 
0xfeb7ec00-0xfeb7ec7f irq 18 at device 10.0 on pci0
xl0: Ethernet address: 00:04:76:91:78:3f
miibus1: <MII bus> on xl0
xlphy0: <3c905C 10/100 internal PHY> on miibus1
xlphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
isab0: <PCI-ISA bridge> port 0x440-0x44f at device 15.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <ServerWorks ROSB4 UDMA33 controller> port 0x700-0x70f at 
device 15.1 on pci0
ata0: at 0x1f0 irq 14 on atapci0
ata0: [MPSAFE]
ata1: at 0x170 irq 15 on atapci0
ata1: [MPSAFE]
ohci0: <OHCI (generic) USB controller> mem 0xfeb7d000-0xfeb7dfff irq 10 
at device 15.2 on pci0
usb0: OHCI version 1.0, legacy support
usb0: <OHCI (generic) USB controller> on ohci0
usb0: USB revision 1.0
uhub0: (0x1166) OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 4 ports with 4 removable, self powered
pcib1: <MPTable Host-PCI bridge> at pcibus 1 on motherboard
pci1: <PCI bus> on pcib1
pcib1: slot 3 INTA routed to irq 28
ahc0: <Adaptec aic7892 Ultra160 SCSI adapter> port 0x2300-0x23ff mem 
0xeffff000-0xefffffff irq 28 at device 3.0 on pci1
aic7892: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs
orm0: <Option ROMs> at iomem 
0xca800-0xcefff,0xca000-0xca7ff,0xc0000-0xc9fff on isa0
atkbdc0: <Keyboard controller (i8042)> at port 0x64,0x60 on isa0
atkbd0: <AT Keyboard> flags 0x1 irq 1 on atkbdc0
kbd0 at atkbd0
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: model IntelliMouse, device ID 3
ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
ppc0: Generic chipset (NIBBLE-only) in COMPATIBLE mode
ppbus0: <Parallel port bus> on ppc0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
sio0: type 16550A
sio1 at port 0x2f8-0x2ff irq 3 on isa0
sio1: type 16550A
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on 
isa0
unknown: <PNP0501> can't assign resources (port)
unknown: <PNP0501> can't assign resources (port)
unknown: <PNP0401> can't assign resources (port)
unknown: <PNP0f13> can't assign resources (irq)
unknown: <PNP0303> can't assign resources (port)
Timecounters tick every 10.000 msec
IP Filter: v3.4.31 initialized.  Default = pass all, Logging = enabled
acd0: CDROM <LG CD-ROM CRD-8522B> at ata0-master PIO4
Waiting 5 seconds for SCSI devices to settle
GEOM: create disk da0 dp=0xcba85450
da0 at ahc0 bus 0 target 0 lun 0
da0: <IBM-ESXS ST336607LW    FN B258> Fixed Direct Access SCSI-3 device
da0: 160.000MB/s transfers (80.000MHz, offset 63, 16bit), Tagged 
Queueing Enabled
da0: 34715MB (71096640 512 byte sectors: 255H 63S/T 4425C)
SMP: AP CPU #1 Launched!
Mounting root from ufs:/dev/da0s1a
WARNING: / was not properly dismounted
Accounting enabled
xl0: promiscuous mode enabled

kldstat:
Id Refs Address    Size     Name
  1    6 0xc0400000 375bf8   kernel
  2    1 0xc0776000 33bc     lrexec.ko
  3    1 0xcbc77000 19000    linux.ko


gdb backtrace:
#0  doadump () at /usr/src/sys/kern/kern_shutdown.c:240
#1  0xc0503677 in boot (howto=260) at 
/usr/src/sys/kern/kern_shutdown.c:372
#2  0xc05039ee in panic () at /usr/src/sys/kern/kern_shutdown.c:550
#3  0xc0546ab1 in bremfreel (bp=0xd357f8e8) at 
/usr/src/sys/kern/vfs_bio.c:647
#4  0xc05469e5 in bremfree (bp=0x0) at /usr/src/sys/kern/vfs_bio.c:629
#5  0xc054a4a4 in getblk (vp=0xcbbd7104, blkno=0, size=16384, slpflag=0, 
slptimeo=0, flags=0)
     at /usr/src/sys/kern/vfs_bio.c:2468
#6  0xc0546b92 in breadn (vp=0xcbbd7104, blkno=0, size=0, rablkno=0x0, 
rabsize=0x0, cnt=0, cred=0x0, bpp=0x0)
     at /usr/src/sys/kern/vfs_bio.c:700
#7  0xc0546b3c in bread (vp=0x0, blkno=0, size=0, cred=0x0, bpp=0x0) at 
/usr/src/sys/kern/vfs_bio.c:682
#8  0xc05cb1d2 in ffs_balloc_ufs2 (vp=0xcbbd7104, startoffset=0, 
size=32, cred=0xc15e6300, flags=65536, bpp=0xe1bd9988)
     at /usr/src/sys/ufs/ffs/ffs_balloc.c:601
#9  0xc05e1da7 in ffs_write (ap=0xe1bd99c0) at 
/usr/src/sys/ufs/ffs/ffs_vnops.c:698
#10 0xc05eb2e4 in dqsync (vp=0xcbab3e38, dq=0xcb9efa40) at 
vnode_if.h:432
#11 0xc05eac20 in qsync (mp=0xcba7f800) at 
/usr/src/sys/ufs/ufs/ufs_quota.c:775
#12 0xc05e061d in ffs_sync (mp=0xcba7f800, waitfor=2, cred=0xc15e4100, 
td=0xc06c7060)
     at /usr/src/sys/ufs/ffs/ffs_vfsops.c:1204
#13 0xc055c03e in sync (td=0xc06c7060, uap=0x0) at 
/usr/src/sys/kern/vfs_syscalls.c:141
#14 0xc0503274 in boot (howto=256) at 
/usr/src/sys/kern/kern_shutdown.c:281
#15 0xc05039ee in panic () at /usr/src/sys/kern/kern_shutdown.c:550
#16 0xc05d4683 in acquire_lock (lk=0x0) at 
/usr/src/sys/ufs/ffs/ffs_softdep.c:260
#17 0xc05db786 in softdep_update_inodeblock (ip=0xcbda2c80, 
bp=0xd35c7f58, waitfor=0)
     at /usr/src/sys/ufs/ffs/ffs_softdep.c:4654
#18 0xc05cc475 in ffs_update (vp=0xcc27a618, waitfor=0) at 
/usr/src/sys/ufs/ffs/ffs_inode.c:115
#19 0xc05e7785 in ufs_inactive (ap=0x0) at 
/usr/src/sys/ufs/ufs/ufs_inode.c:125
#20 0xc05efd38 in ufs_vnoperate (ap=0x0) at 
/usr/src/sys/ufs/ufs/ufs_vnops.c:2793
#21 0xc05595ef in vrele (vp=0xcc27a618) at vnode_if.h:953
#22 0xc055d103 in kern_chdir (td=0xcc305500, path=0x0, 
pathseg=UIO_USERSPACE) at /usr/src/sys/kern/vfs_syscalls.c:762
#23 0xc055cfe2 in chdir (td=0x0, uap=0x0) at 
/usr/src/sys/kern/vfs_syscalls.c:737
#24 0xc0640290 in syscall (frame=
       {tf_fs = 134742063, tf_es = 134807599, tf_ds = -1078001617, tf_edi 
= 134800080, tf_esi = 134819976, tf_ebp = -1077941848, tf_isp = 
-507667084, tf_ebx = 134819968, tf_edx = 134754304, tf_ecx = 134750208, 
tf_eax = 12, tf_trapno = 0, tf_err = 2, tf_eip = 672272495, tf_cs = 31, 
tf_eflags = 642, tf_esp = -1077942036, tf_ss = 47}) at 
/usr/src/sys/i386/i386/trap.c:1010
#25 0xc062d5dd in Xint0x80_syscall () at {standard input}:136
---Can't read userspace from dump, or kernel process---

please advice. Is it problem with hardware, or maybe it`s 5.2.1 error?