Date: Tue, 12 Feb 2002 18:27:16 -0800 From: Marcus Reid <marcus@blazingdot.com> To: freebsd-stable@freebsd.org Cc: freebsd-bugs@freebsd.org Subject: Panic in vnlru in 4.5-RELEASE Message-ID: <20020212182716.A63685@blazingdot.com>
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Hi:
I've been able to get this machine to crash a few times while copying
the ports tree over to it over NFS. I'm wondering if it's more likely
that it's a hardware thing, or if there's a bug in the new vnlru stuff.
The crashdump below was from the 4.5-RELEASE GENERIC kernel.
root@tin# gdb -k kernel.0 vmcore.0
GNU gdb 4.18
Copyright 1998 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-unknown-freebsd"...(no debugging symbols found)...
IdlePTD at phsyical address 0x004b5000
initial pcb at physical address 0x003f5ea0
panicstr: vinvalbuf: dirty bufs
panic messages:
---
panic: vinvalbuf: dirty bufs
syncing disks... 86 20 18 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
giving up on 10 buffers
Uptime: 18m56s
dumping to dev #ad/0x20001, offset 524448
dump ata0: resetting devices .. done
255 254 253 252 251 250 249 248 247 246 245 244 243 242 241 240 239 238 237 236 235 234 233 232 231 230 229 228 227 226 225 224 223 222 221 220 219 218 217 216 215 214 213 212 211 210 209 208 207 206 205 204 203 202 201 200 199 198 197 196 195 194 193 192 191 190 189 188 187 186 185 184 183 182 181 180 179 178 177 176 175 174 173 172 171 170 169 168 167 166 165 164 163 162 161 160 159 158 157 156 155 154 153 152 151 150 149 148 147 146 145 144 143 142 141 140 139 138 137 136 135 134 133 132 131 130 129 128 127 126 125 124 123 122 121 120 119 118 117 116 115 114 113 112 111 110 109 108 107 106 105 104 103 102 101 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
---
#0 0xc01c1fe2 in dumpsys ()
(kgdb) bt
#0 0xc01c1fe2 in dumpsys ()
#1 0xc01c1df7 in boot ()
#2 0xc01c21d8 in poweroff_wait ()
#3 0xc01ee972 in vinvalbuf ()
#4 0xc01efc0b in vclean ()
#5 0xc01efe1f in vgonel ()
#6 0xc01ee47a in vlrureclaim ()
#7 0xc01ee548 in vnlru_proc ()
(kgdb)
Output of dmesg is as follows:
Copyright (c) 1992-2002 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 4.5-RELEASE #0: Tue Feb 12 16:17:34 PST 2002
root@tin.blazingdot.com:/usr/obj/home/archive/releases/RELENG_4_5/src/sys/TIN
Timecounter "i8254" frequency 1193182 Hz
CPU: AMD Athlon(TM)Processor (1007.39-MHz 686-class CPU)
Origin = "AuthenticAMD" Id = 0x642 Stepping = 2
Features=0x183f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR>
AMD Features=0xc0440000<<b18>,AMIE,DSP,3DNow!>
real memory = 268353536 (262064K bytes)
avail memory = 257359872 (251328K bytes)
Preloaded elf kernel "kernel" at 0xc03b5000.
Pentium Pro MTRR support enabled
md0: Malloc disk
Using $PIR table, 11 entries at 0xc00f1770
npx0: <math processor> on motherboard
npx0: INT 16 interface
pcib0: <Host to PCI bridge> on motherboard
pci0: <PCI bus> on pcib0
pcib1: <AcerLabs M5247 PCI-PCI(AGP Supported) bridge> at device 1.0 on pci0
pci1: <PCI bus> on pcib1
pci1: <Trident model 9750 VGA-compatible display device> at 0.0 irq 11
ohci0: <AcerLabs M5237 (Aladdin-V) USB controller> mem 0xed800000-0xed800fff irq 9 at device 2.0 on pci0
usb0: OHCI version 1.0, legacy support
usb0: <AcerLabs M5237 (Aladdin-V) USB controller> on ohci0
usb0: USB revision 1.0
uhub0: AcerLabs OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 4 ports with 4 removable, self powered
atapci0: <AcerLabs Aladdin ATA100 controller> port 0xd400-0xd40f at device 4.0 on pci0
ata0: at 0x1f0 irq 14 on atapci0
pcm0: <CMedia CMI8738> port 0xd000-0xd0ff irq 5 at device 5.0 on pci0
ohci1: <AcerLabs M5237 (Aladdin-V) USB controller> mem 0xec800000-0xec800fff irq 12 at device 6.0 on pci0
usb1: OHCI version 1.0, legacy support
usb1: <AcerLabs M5237 (Aladdin-V) USB controller> on ohci1
usb1: USB revision 1.0
uhub1: AcerLabs OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 2 ports with 2 removable, self powered
isab0: <AcerLabs M1533 portable PCI-ISA bridge> at device 7.0 on pci0
isa0: <ISA bus> on isab0
fxp0: <Intel Pro 10/100B/100+ Ethernet> port 0xb400-0xb43f mem 0xeb000000-0xeb0fffff,0xeb800000-0xeb800fff irq 10 at
device 10.0 on pci0
fxp0: Ethernet address 00:90:27:57:61:11
inphy0: <i82555 10/100 media interface> on miibus0
inphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
chip1: <AcerLabs M15x3 Power Management Unit> at device 17.0 on pci0
orm0: <Option ROMs> at iomem 0xc0000-0xcbfff,0xcc000-0xccfff on isa0
fdc0: <NEC 72065B or clone> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on isa0
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 isa0
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
ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
ppc0: FIFO with 16/16/15 bytes threshold
ppi0: <Parallel I/O> on ppbus0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
IP Filter: v3.4.20 initialized. Default = block all, Logging = enabled
ad0: 39266MB <IC35L040AVER07-0> [79780/16/63] at ata0-master UDMA100
Mounting root from ufs:/dev/ad0s1a
--
Marcus L. Reid
Public Key ID DA2C3C46
"They that can give up essential liberty to obtain a little temporary
safety deserve neither liberty nor safety." - Benjamin Franklin, 1759
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