Date: Sun, 13 Oct 2002 11:45:05 -0700 (PDT) From: "David C. Kulp" <dkulp@cse.ucsc.edu> To: hackers@freebsd.org Subject: panic: vm_page_remove(): page not found in hash Message-ID: <Pine.GSO.4.44.0210131039350.14113-100000@sundance.cse.ucsc.edu>
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I've been experiencing frequent panics on a new installation of 4.7-RC.
I recompiled the kernel with -g, got another panic, obtained a core dump,
and plopped myself into kgdb. I'd like to provide some insight or solicit
some help as to the cause or cure f the crash, but my stack trace leaves a
lot to be desired. Here I've cleaned it up for readability. I lose the
source in kgdb prior to the syscall2.
#0 dumpsys () at /usr/src/sys/kern/kern_shutdown.c:487
#1 in boot () at /usr/src/sys/kern/kern_shutdown.c:316
#2 in panic () at /usr/src/sys/kern/kern_shutdown.c:595
#3 in db_panic () at /usr/src/sys/ddb/db_command.c:435
#4 in db_command () at /usr/src/sys/ddb/db_command.c:333
#5 in db_command_loop () at /usr/src/sys/ddb/db_command.c:457
#6 in db_trap () at /usr/src/sys/ddb/db_trap.c:71
#7 in kdb_trap () at /usr/src/sys/i386/i386/db_interface.c:158
#8 in trap () at /usr/src/sys/i386/i386/trap.c:592
#9 in Debugger () at machine/cpufunc.h:67
#10 in panic ("vm_page_remove(): page not found in hash")
at /usr/src/sys/kern/kern_shutdown.c:593
#11 in vm_page_remove () at /usr/src/sys/vm/vm_page.c:460
#12 in vm_page_free_toq () at /usr/src/sys/vm/vm_page.c:1103
#13 in vm_page_alloc () at /usr/src/sys/vm/vm_page.h:514
#14 in allocbuf () at /usr/src/sys/kern/vfs_bio.c:2517
#15 in getblk () at /usr/src/sys/kern/vfs_bio.c:2292
#16 in ffs_balloc () at /usr/src/sys/ufs/ffs/ffs_balloc.c:303
#17 in ffs_write () at vnode_if.h:1056
#18 in vn_write () at vnode_if.h:363
#19 in dofilewrite () at /usr/src/sys/sys/file.h:162
#20 in write () at /usr/src/sys/kern/sys_generic.c:329
#21 in syscall2 () at /usr/src/sys/i386/i386/trap.c:1175
#22 in Xint0x80_syscall ()
#23 in ?? ()
#24 ...
It looks to me like a memory or disk failure. Possibly relevant clues:
I've got a single 512MB chip on a mainboard with a VIA Apollo KTE 333/686B
chipset. I've got an old, small UDMA2 disk for the root file system and a
second new, large disk that could be running faster but it's on the same
cable as the slower disk. Most of the I/O is on the larger slave. I'm
running a wireless access point (wi driver), firewall, and server. The
panics seem to be associated with large network usage and file I/O, but I
believe the problem is not associated with the wireless because panics
have occurred during heavy traffic over either the wi or fxp interfaces.
dmesg is attached below.
Any guidance?
Thanks in advance,
-d
ps. BTW, I found that using "-z" for savecore fails with
savecore: writing compressed core to /opt/data/crash/vmcore.0.gz
savecore: /opt/data/crash/vmcore.0.gz: Illegal seek
savecore: WARNING: vmcore may be incomplete
but removing the -z works fine, albeit using much more space.
Copyright (c) 1992-2002 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 19\
94
The Regents of the University of California. All rights reserv\
ed.
FreeBSD 4.7-STABLE #6: Sat Oct 12 00:17:11 PDT 2002
root@XXX:/opt/data/usr/src/obj/opt/data/usr/src/sys/FW
Timecounter "i8254" frequency 1193182 Hz
CPU: AMD Duron(tm) processor (901.60-MHz 686-class CPU)
Origin = "AuthenticAMD" Id = 0x631 Stepping = 1
Features=0x183f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,M\
CA,CMOV,PAT,PSE36,MMX,FXSR>
AMD Features=0xc0440000<<b18>,AMIE,DSP,3DNow!>
real memory = 536805376 (524224K bytes)
avail memory = 516956160 (504840K bytes)
Preloaded elf kernel "kernel" at 0xc0539000.
Pentium Pro MTRR support enabled
md0: Malloc disk
Using $PIR table, 8 entries at 0xc00fdba0
npx0: <math processor> on motherboard
npx0: INT 16 interface
pcib0: <Host to PCI bridge> on motherboard
pci0: <PCI bus> on pcib0
pcib1: <VIA 8363 (Apollo KT133) PCI-PCI (AGP) bridge> at device 1.0 on\
pci0
pci1: <PCI bus> on pcib1
isab0: <VIA 82C686 PCI-ISA bridge> at device 7.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <VIA 82C686 ATA100 controller> port 0xd000-0xd00f at device 7\
.1 on pci0
atapci0: Correcting VIA config for southbridge data corruption bug
ata0: at 0x1f0 irq 14 on atapci0
ata1: at 0x170 irq 15 on atapci0
uhci0: <VIA 83C572 USB controller> port 0xd400-0xd41f irq 11 at device\
7.2 on pci0
usb0: <VIA 83C572 USB controller> on uhci0
usb0: USB revision 1.0
uhub0: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
uhci1: <VIA 83C572 USB controller> port 0xd800-0xd81f irq 11 at device\
7.3 on pci0
uhub1: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 2 ports with 2 removable, self powered
pci0: <unknown card> (vendor=0x1106, dev=0x3057) at 7.4
pci0: <NVidia Riva TNT graphics accelerator> at 14.0 irq 12
fxp0: <Intel Pro 10/100B/100+ Ethernet> port 0xdc00-0xdc3f mem 0xd7000\
000-0xd70fffff,0xd7100000-0xd7100fff irq 10 at device 15.0 on pci0
fxp0: Ethernet address 00:02:b3:30:28:93
inphy0: <i82555 10/100 media interface> on miibus0
inphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
ed0: <NE2000 PCI Ethernet (RealTek 8029)> port 0xe000-0xe01f irq 11 at\
device 16.0 on pci0
ed0: address 00:80:ad:b6:ee:4d, type NE2000 (16 bit)
orm0: <Option ROM> at iomem 0xc0000-0xc7fff on isa0
fdc0: <NEC 72065B or clone> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on i\
sa0
fdc0: FIFO enabled, 8 bytes threshold
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
atkbd0: <AT Keyboard> flags 0x1 irq 1 on atkbdc0
kbd0 at atkbd0
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on i\
sa0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
pcic1: <Vadem 469> at port 0x3e2 iomem 0xd4000 on isa0
pcic1: Polling mode
pccard0: <PC Card 16-bit bus (classic)> on pcic1
pccard1: <PC Card 16-bit bus (classic)> on pcic1
sio0: configured irq 4 not in bitmap of probed irqs 0
sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
sio0: type 8250
ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
ppc0: Generic chipset (EPP/NIBBLE) in COMPATIBLE mode
plip0: <PLIP network interface> on ppbus0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
DUMMYNET initialized (011031)
IP packet filtering initialized, divert enabled, rule-based forwarding\
enabled, default to deny, logging limited to 100 packets/entry by def\
ault
IPsec: Initialized Security Association Processing.
ad0: 2452MB <FUJITSU M1638TAU> [4982/16/63] at ata0-master WDMA2
ad1: DMA limited to UDMA33, non-ATA66 cable or device
ad1: 76319MB <WDC WD800BB-00CAA1> [155061/16/63] at ata0-slave UDMA33
ad2: 1222MB <WDC AC21200H> [2484/16/63] at ata1-master WDMA2
Mounting root from ufs:/dev/ad0s1a
WARNING: / was not properly dismounted
pccard: card inserted, slot 0
wi0 at port 0x240-0x27f irq 5 slot 0 on pccard0
wi0: 802.11 address: 00:05:5d:da:cb:07
wi0: using RF:PRISM2.5 MAC:ISL3873
wi0: Intersil Firmware: Primary 1.00.07, Station 1.03.05
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