Date: Thu, 13 Nov 1997 00:48:48 +0200 From: Alexander Litvin <archer@lucky.net> To: hackers@freebsd.org Subject: 2.2-stable, panic Message-ID: <19971113004848.26628@grape.carrier.kiev.ua>
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Hi, hackers!
It's not the first time I'm asking here for some help.
Though before I haven't received substantial assistance,
where else can I ask for it?
So, again, sorry for bothering you.
That's 2.2.5-STABLE, CVSupped and built at November 11.
P-II 266Mhz, ASUS P2L97 MB, 128M RAM, Adaptec 2940U,
3 IBM DCAS-34330W SCSI drives (ccd'ed), Intel EtherExpress
ethernet (100M). Proxy server.
May be, I just miss something? There was a message about
PMAP_SHPGPERPROC, though I'm not sure if it is what hits me.
Below I tried to provide as much info as I can imagine is
necessary. Crash dump is still available, so I can examine
it further.
Alexander Litvin
P.S. Not directly connected to the topic, but the wierd thing
happened with the same box once. I noticed that there were
two usless devices in kernel - ed0 and ed1 (left there from
kernel config made from GENERIC). I decided that it was time
to get rid of them, and rebuild kernel without ed0/ed1.
But when a box came up and squid started, in a minute it was
in a state then ping <some-addr> gave "No buffer space available"!
ifconfig down/up helped for a 5-10 seconds, then it repeated :(
I decided to put that ed0/ed1 back, and the problem dissappiared.
There you still can see that dummy ed0/1 in dmesg output :-\
-----------------------------------------------------------------------------
bash# dmesg
Copyright (c) 1992-1997 FreeBSD Inc.
Copyright (c) 1982, 1986, 1989, 1991, 1993
The Regents of the University of California. All rights reserved.
FreeBSD 2.2.5-STABLE #0: Wed Nov 12 20:02:39 EET 1997
archer@zebra.carrier.kiev.ua:/usr/local/squid/src/sys/compile/zebra.s
CPU: Pentium Pro (267.27-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0x633 Stepping=3
Features=0x80f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,<b11>,MTRR,PGE,MCA,CMOV>
real memory = 134217728 (131072K bytes)
avail memory = 129732608 (126692K bytes)
Probing for devices on PCI bus 0:
chip0 <generic PCI bridge (vendor=8086 device=7180 subclass=0)> rev 3 on pci0:0
chip1 <generic PCI bridge (vendor=8086 device=7181 subclass=4)> rev 3 on pci0:1
chip2 <generic PCI bridge (vendor=8086 device=7110 subclass=1)> rev 1 on pci0:4:0
pci0:4:1: Intel Corporation, device=0x7111, class=storage (ide) [no driver assigned]
pci0:4:2: Intel Corporation, device=0x7112, class=0x0c, subclass=0x03 int d irq 11 [no driver assigned]
chip3 <generic PCI bridge (vendor=8086 device=7113 subclass=128)> rev 1 on pci0:4:3
fxp0 <Intel EtherExpress Pro 10/100B Ethernet> rev 1 int a irq 12 on pci0:10
fxp0: Ethernet address 00:a0:c9:1c:a3:3f
vga0 <VGA-compatible display device> rev 227 int a irq 14 on pci0:11
ahc0 <Adaptec 2940 Ultra SCSI host adapter> rev 0 int a irq 15 on pci0:12
ahc0: aic7880 Wide Channel, SCSI Id=7, 16 SCBs
(ahc0:0:0): "IBM DCAS-34330W S61A" type 0 fixed SCSI 2
sd0(ahc0:0:0): Direct-Access 4134MB (8467200 512 byte sectors)
sd0(ahc0:0:0): with 8205 cyls, 6 heads, and an average 171 sectors/track
(ahc0:1:0): "IBM DCAS-34330W S61A" type 0 fixed SCSI 2
sd1(ahc0:1:0): Direct-Access 4134MB (8467200 512 byte sectors)
sd1(ahc0:1:0): with 8205 cyls, 6 heads, and an average 171 sectors/track
(ahc0:2:0): "IBM DCAS-34330W S61A" type 0 fixed SCSI 2
sd2(ahc0:2:0): Direct-Access 4134MB (8467200 512 byte sectors)
sd2(ahc0:2:0): with 8205 cyls, 6 heads, and an average 171 sectors/track
Probing for devices on PCI bus 1:
Probing for devices on the ISA bus:
sc0 at 0x60-0x6f irq 1 on motherboard
sc0: VGA color <16 virtual consoles, flags=0x0>
ed0 not found at 0x280
ed1 not found at 0x300
sio0 not found at 0x3f8
fdc0: direction bit not set
fdc0: cmd 3 failed at out byte 1 of 3
fdc0 not found at 0x3f0
npx0 flags 0x7 on motherboard
npx0: INT 16 interface
ccd0-3: Concatenated disk drivers
-----------------------------------------------------------------------------
bash# gdb -k
GDB is free software and you are welcome to 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.
GDB 4.16 (i386-unknown-freebsd), Copyright 1996 Free Software Foundation, Inc.
(kgdb) symbol-file /kernel.debug
Reading symbols from /kernel.debug...done.
(kgdb) exec-file /var/crash/kernel.0
(kgdb) core-file /var/crash/vmcore.0
IdlePTD 1c3000
current pcb at 1ac980
panic: page fault
#0 boot (howto=260) at ../../kern/kern_shutdown.c:266
266 dumppcb.pcb_cr3 = rcr3();
(kgdb) bt
#0 boot (howto=260) at ../../kern/kern_shutdown.c:266
#1 0xf01116e2 in panic (fmt=0xf017b84f "page fault")
at ../../kern/kern_shutdown.c:390
#2 0xf017c3b6 in trap_fatal (frame=0xf01a0d18) at ../../i386/i386/trap.c:742
#3 0xf017bea4 in trap_pfault (frame=0xf01a0d18, usermode=0)
at ../../i386/i386/trap.c:653
#4 0xf017bb7f in trap (frame={tf_es = 16, tf_ds = 16, tf_edi = 0,
tf_esi = -202662272, tf_ebp = -266728092, tf_isp = -266728128,
tf_ebx = -201014528, tf_edx = 0, tf_ecx = -206575104,
tf_eax = -200789120, tf_trapno = 12, tf_err = 0, tf_eip = -267186362,
tf_cs = 8, tf_eflags = 66118, tf_esp = 0, tf_ss = -201014528})
at ../../i386/i386/trap.c:311
#5 0xf0130f46 in vget (vp=0xf404c300, lockflag=1) at ../../kern/vfs_subr.c:817
#6 0xf015cd3c in ffs_sync (mp=0xf3b07400, waitfor=2, cred=0xf20ad880,
p=0xf01b7ab4) at ../../ufs/ffs/ffs_vfsops.c:819
#7 0xf0132407 in sync (p=0xf01b7ab4, uap=0x0, retval=0x0)
at ../../kern/vfs_syscalls.c:360
#8 0xf01112ed in boot (howto=256) at ../../kern/kern_shutdown.c:199
#9 0xf01116e2 in panic (fmt=0xf017b84f "page fault")
at ../../kern/kern_shutdown.c:390
#10 0xf017c3b6 in trap_fatal (frame=0xf01a0e9c) at ../../i386/i386/trap.c:742
#11 0xf017bea4 in trap_pfault (frame=0xf01a0e9c, usermode=0)
at ../../i386/i386/trap.c:653
#12 0xf017bb7f in trap (frame={tf_es = -233046000, tf_ds = 16,
tf_edi = -234080244, tf_esi = 1103282625, tf_ebp = -266727700,
tf_isp = -266727740, tf_ebx = 60, tf_edx = 37648, tf_ecx = -206539140,
tf_eax = 124, tf_trapno = 12, tf_err = 0, tf_eip = -267116173,
tf_cs = 8, tf_eflags = 66070, tf_esp = 40, tf_ss = 0})
at ../../i386/i386/trap.c:311
#13 0xf0142173 in in_pcblookuphash (pcbinfo=0xf01b80f4, faddr={
s_addr = 1103282625}, fport_arg=37648, laddr={s_addr = 1640088001},
lport_arg=14348, wildcard=1) at ../../netinet/in_pcb.c:677
#14 0xf0147091 in tcp_input (m=0xf2155500, iphlen=20)
at ../../netinet/tcp_input.c:362
#15 0xf0143bd4 in ip_input (m=0xf2155500) at ../../netinet/ip_input.c:564
#16 0xf0143c4c in ipintr () at ../../netinet/ip_input.c:585
------------------------------------------------------------------------
machine "i386"
ident zerba
maxusers 160
options "MAXDSIZ=(256*1024*1024)"
options "DFLDSIZ=(256*1024*1024)"
options FAILSAFE
options INCLUDE_CONFIG_FILE # Include this file in kernel
config kernel root on sd0 dumps on sd0
cpu "I686_CPU" # aka Pentium Pro(tm)
options "COMPAT_43"
options SYSVSHM
options SYSVSEM
options SYSVMSG
options "MD5"
options USERCONFIG #boot -c editor
options VISUAL_USERCONFIG #visual boot -c editor
options INET #Internet communications protocols
pseudo-device ether #Generic Ethernet
pseudo-device loop #Network loopback device
options FFS #Fast filesystem
options PROCFS #Process filesystem
options NSWAPDEV=4
options QUOTA #enable disk quotas
controller scbus0 #base SCSI code
device sd0 #SCSI disks
options SCSI_REPORT_GEOMETRY
pseudo-device pty 32 #Pseudo ttys - can go as high as 256
pseudo-device speaker #Play IBM BASIC-style noises out your speaker
pseudo-device log #Kernel syslog interface (/dev/klog)
pseudo-device gzip #Exec gzipped a.out's
pseudo-device vn #Vnode driver (turns a file into a device)
pseudo-device snp 3 #Snoop device - to look at pty/vty/etc..
pseudo-device ccd 4 #Concatenated disk driver
controller isa0
options "MAXMEM=(128*1024)"
options BROKEN_KEYBOARD_RESET
device sc0 at isa? port "IO_KBD" tty irq 1 vector scintr
options MAXCONS=16 # number of virtual consoles
device npx0 at isa? port "IO_NPX" iosiz 0x0 flags 0x7 irq 13 vector npxintr
controller fdc0 at isa? port "IO_FD1" bio irq 6 drq 2 vector fdintr
disk fd0 at fdc0 drive 0
device sio0 at isa? port "IO_COM1" tty irq 4 vector siointr
device ed0 at isa? port 0x280 net irq 5 iomem 0xd8000 vector edintr
device ed1 at isa? port 0x300 net irq 5 iomem 0xd8000 vector edintr
controller pci0
controller ahc0
device fxp0
device vx0
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