Date: Thu, 18 Jan 2001 14:29:44 -0800 From: Ben Lovett <blovett@bsdguru.com> To: stable@freebsd.org Subject: Pagefaults occuring randomly Message-ID: <20010118142944.A580@bsdguru.com>
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Hello,
Recently, I have been having random page faults, and the application
that caused the fault is always random, or none at all, just idle.
These can occur after 2 days uptime, to 5 hours.. This is on a Toshiba
Satellite 2505CDS running 4.2-STABLE as of Sunday, January 14, 2001.
They also occured on this same system running 4.2-STABLE as of about a
month and a half ago. I don't remember the exact date I cvsup'd.
Attached is a output of the most recent dmesg log with the reason it
page faulted. I hope this can help, and if there is *anything* somebody
would like me to show them, within reason of course, I'd be more than
happy to oblige.
Thanks for your time!
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Ben Lovett printf("Hello world!);
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Copyright (c) 1992-2001 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 4.2-STABLE #0: Mon Jan 15 18:43:35 PST 2001
root@luna:/usr/obj/usr/src/sys/VENUS
Timecounter "i8254" frequency 1193182 Hz
CPU: Pentium/P55C (quarter-micron) (233.29-MHz 586-class CPU)
Origin = "GenuineIntel" Id = 0x581 Stepping = 1
Features=0x8001bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8,MMX>
real memory = 33619968 (32832K bytes)
avail memory = 28626944 (27956K bytes)
Preloaded elf kernel "kernel" at 0xc0425000.
Intel Pentium detected, installing workaround for F00F bug
md0: Malloc disk
apm0: <APM BIOS> on motherboard
apm: found APM BIOS v1.2, connected at v1.2
npx0: <math processor> on motherboard
npx0: INT 16 interface
pcib0: <Host to PCI bridge> on motherboard
pci0: <PCI bus> on pcib0
pci0: <Chips & Technologies 65555 SVGA controller> at 4.0
pci0: <NEC uPD 9210 USB controller> at 11.0 irq 11
chip1: <Toshiba Fast Infra Red controller> port 0xffe0-0xffff irq 11 at device 17.0 on pci0
isa0: <ISA bus> on motherboard
fdc0: <NEC 765 or clone> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on isa0
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
ata0 at port 0x1f0-0x1f7,0x3f6 irq 14 on isa0
ata1 at port 0x170-0x177,0x376 irq 15 on isa0
atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
atkbd0: <AT Keyboard> flags 0x1 irq 1 on atkbdc0
kbd0 at atkbd0
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: model GlidePoint, device ID 0
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>
pcic0: <Intel i82365> at port 0x3e0 iomem 0xd0000 irq 10 on isa0
pcic0: management irq 10
pccard0: <PC Card bus -- kludge version> on pcic0
pccard1: <PC Card bus -- kludge version> on pcic0
sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
sio0: type 16550A
sio1: configured irq 3 not in bitmap of probed irqs 0
ppc0: parallel port not found.
pcm0: <OPL3-SAx (YMF719)> at port 0x530-0x537,0x370-0x371 irq 5 drq 1 flags 0xc100 on isa0
IPsec: Initialized Security Association Processing.
IP Filter: v3.4.8 initialized. Default = pass all, Logging = enabled
pccard: card inserted, slot 0
pccard: card inserted, slot 1
ata1-slave: ata_command: timeout waiting for intr
ata1-slave: identify failed
ad0: 2067MB <TOSHIBA MK2104MAV> [4200/16/63] at ata0-master BIOSPIO
acd0: CDROM <CD-220EA> at ata1-master using BIOSPIO
Mounting root from ufs:/dev/ad0s1a
WARNING: / was not properly dismounted
ed0 at port 0x320-0x33f irq 3 slot 0 on pccard0
ed0: address 00:e0:98:78:fc:6d, type Linksys (16 bit)
sio4 at port 0x2f8-0x2ff irq 9 slot 1 on pccard1
sio4: type 16550A
acd0: START_STOP - ILLEGAL REQUEST asc=24 ascq=00 error=04
ed0: detached
stray irq 3
pccard: card disabled, slot 0
sio4: unloaded
sio4: detached
pccard: card disabled, slot 1
resumed from suspended mode (slept 00:37:31)
ata0: resetting devices .. done
ata1: resetting devices .. done
pccard: card inserted, slot 0
pccard: card inserted, slot 1
sio4 at port 0x2f8-0x2ff irq 9 slot 1 on pccard1
sio4: type 16550A
ed0 at port 0x320-0x33f irq 3 slot 0 on pccard0
ed0: address 00:e0:98:78:fc:6d, type Linksys (16 bit)
ed0: detached
stray irq 3
pccard: card disabled, slot 0
sio4: unloaded
sio4: detached
pccard: card disabled, slot 1
resumed from suspended mode (slept 02:07:02)
ata0: resetting devices .. done
ata1: resetting devices .. done
pccard: card inserted, slot 0
pccard: card inserted, slot 1
sio4 at port 0x2f8-0x2ff irq 9 slot 1 on pccard1
sio4: type 16550A
ed0 at port 0x320-0x33f irq 3 slot 0 on pccard0
ed0: address 00:e0:98:78:fc:6d, type Linksys (16 bit)
ed0: detached
stray irq 3
pccard: card disabled, slot 0
sio4: unloaded
sio4: detached
pccard: card disabled, slot 1
resumed from suspended mode (slept 01:35:49)
ata0: resetting devices .. done
ata1: resetting devices .. done
pccard: card inserted, slot 0
pccard: card inserted, slot 1
sio4 at port 0x2f8-0x2ff irq 9 slot 1 on pccard1
sio4: type 16550A
ed0 at port 0x320-0x33f irq 3 slot 0 on pccard0
ed0: address 00:e0:98:78:fc:6d, type Linksys (16 bit)
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x6f792080
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc01e221e
stack pointer = 0x10:0xc033fbcc
frame pointer = 0x10:0xc033fc1c
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = Idle
interrupt mask =
trap number = 12
panic: page fault
syncing disks... 22 22 20 14 5 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
giving up on 1 buffers
Uptime: 2h35m11s
Automatic reboot in 15 seconds - press a key on the console to abort
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