Date: Sat, 6 Jan 1996 22:03:06 +0200 (EET) From: Juha Inkari <inkari@snakemail.hut.fi> To: current@freebsd.org Subject: spec_getpages: negative blkno Message-ID: <199601062003.WAA25535@lk-hp-20.hut.fi>
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The problem is, that trying to access a directory has resulted on hung
processed.
This manifested itself recently, when I dared to upgrade from an early
november current (src-cur ctm 1170) to the latest (thee times on
src-cur 1337, and now 1 time on src-cur ctm 1345).
I have noticed this, when trying to run a shell script from a
directory - the shell from where I try to run the script, get's hung.
After that, any other access to the inode of the directory, where the
target shell script is, will get the accessing process (for example ls
-ld) hung, too.
I have done a surface scan on the disk (with Adaptec 2940 controllers
scsiselect utility), and it did not found any defects.
The kernel reports the following:
spec_getpages: negative blkno (-3209856)
vm_fault: pager input (probably hardware) error, PID 10570 failure
(I have seen a blkno -2875552 in error messages, too.)
And the poor process (in this example, shell) is waiting forever:
agellidi # ps alw | egrep 'PID|10570'
UID PID PPID CPU PRI NI VSZ RSS WCHAN STAT TT TIME COMMAND
1000 10570 1313 0 -18 0 840 332 pgtblk D+ p6 0:00.01 zsh
Below are attached the dmesg output and kernel configuration file,
too.
-----8<---------8<---------8<---------8<---------8<---------8<----
FreeBSD 2.2-CURRENT #0: Fri Jan 5 12:49:14 EET 1996
inkari@agellidi.nullnet.fi:/home/source/FreeBSD/current/src/sys/compile/INKA
RI
CPU: Pentium (119.73-MHz 586-class CPU)
Origin = "GenuineIntel" Id = 0x525 Stepping=5
Features=0x1bf<FPU,VME,PSE,MCE,CX8,APIC>
real memory = 33554432 (32768K bytes)
avail memory = 29839360 (29140K bytes)
DEVFS: ready for devices
Probing for devices on the PCI bus:
chip0 <Intel 82437 (Triton)> rev 1 on pci0:0
chip1 <Intel 82371 (Triton)> rev 2 on pci0:7
vga0 <VGA-compatible display device> rev 0 int a irq 11 on pci0:13
ahc0 <Adaptec 2940 Ultra SCSI host adapter> rev 0 int a irq 10 on pci0:15
ahc0: aic7880 Wide Channel, SCSI Id=7, 16 SCBs
ahc0 waiting for scsi devices to settle
(ahc0:0:0): "QUANTUM XP34301 1037" type 0 fixed SCSI 2
sd0(ahc0:0:0): Direct-Access 4106MB (8410200 512 byte sectors)
Probing for devices on the ISA bus:
sc0 at 0x60-0x6f irq 1 on motherboard
sc0: VGA color <16 virtual consoles, flags=0x0>
ed0 at 0x280-0x28f irq 5 maddr 0xd8000 msize 8192 on isa
ed1: disabled, not probed.
sio0 at 0x3f8-0x3ff irq 4 on isa
sio0: type 16550A
sio1 at 0x2f8-0x2ff irq 3 on isa
sio1: type 16550A
sio2: disabled, not probed.
sio3: disabled, not probed.
lpt0: disabled, not probed.
lpt1: disabled, not probed.
lpt2: disabled, not probed.
pca0: disabled, not probed.
fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
fdc0: NEC 72065B
fd0: 1.44MB 3.5in
wdc0 not found at 0x1f0
wdc1 at 0x170-0x177 irq 15 on isa
bt0: disabled, not probed.
uha0: disabled, not probed.
aha0: disabled, not probed.
aic0: disabled, not probed.
nca0: disabled, not probed.
nca1: disabled, not probed.
sea0: disabled, not probed.
wt0: disabled, not probed.
mcd0: disabled, not probed.
mcd1: disabled, not probed.
matcdc0: disabled, not probed.
scd0: disabled, not probed.
ie0: disabled, not probed.
ep0: disabled, not probed.
ix0: disabled, not probed.
le0: disabled, not probed.
lnc0: disabled, not probed.
lnc1: disabled, not probed.
ze0: disabled, not probed.
zp0: disabled, not probed.
npx0 on motherboard
npx0: INT 16 interface
pas0: disabled, not probed.
sb0 at 0x220 irq 7 drq 1 on isa
sb0: <SoundBlaster 16 4.13>
sbxvi0 at 0x0 drq 5 on isa
sbxvo0: <SoundBlaster 16 4.13>
sbmidi0 not found at 0x330
gus0: disabled, not probed.
mss0: disabled, not probed.
opl0 at 0x388 on isa
opl0: <Yamaha OPL-3 FM>
mpu0: disabled, not probed.
uart0: disabled, not probed.
joy0 at 0x201 on isa
joy0: joystick
changing root device to sd0a
devfs ready to run
new masks: bio c0008440, tty c003003a, net c003003a
spec_getpages: negative blkno (-3209856)
vm_fault: pager input (probably hardware) error, PID 10570 failure
-----8<---------8<---------8<---------8<---------8<---------8<----
#
# INKARI -- config file for FreeBSD
#
machine "i386"
cpu "I386_CPU"
cpu "I486_CPU"
cpu "I586_CPU"
cpu "I686_CPU"
ident INKARI
maxusers 10
#options MATH_EMULATE
options GPL_MATH_EMULATE
options INET #InterNETworking
options FFS #Berkeley Fast Filesystem
options NFS #Network Filesystem
options "CD9660" #ISO 9660 Filesystem
#options NQNFS #Enable NQNFS lease checking
options FDESC #File descriptor filesystem
options KERNFS #Kernel filesystem
options LFS #Log filesystem
options MFS #Memory File System
options MSDOSFS #MS DOS File System
options NULLFS #NULL filesystem
options PORTAL #Portal filesystem
options PROCFS #Process filesystem
options UMAPFS #UID map filesystem
options UNION #Union filesystem
options DEVFS
options "COMPAT_43" #Compatible with BSD 4.3
options "SCSI_DELAY=15" #Be pessimistic about Joe SCSI device
options BOUNCE_BUFFERS #include support for DMA bounce buffers
options UCONSOLE #Allow users to grab the console
options USER_LDT #allow user-level control of i386 ldt
options SYSVSHM
options SYSVSEM
options SYSVMSG
options DDB
options KTRACE #kernel tracing
config kernel root on wd0
controller isa0
options "AUTO_EOI_1"
options BOUNCE_BUFFERS
controller eisa0
controller pci0
controller fdc0 at isa? port "IO_FD1" bio irq 6 drq 2 vector fdintr
disk fd0 at fdc0 drive 0
disk fd1 at fdc0 drive 1
tape ft0 at fdc0 drive 2
controller wdc0 at isa? port "IO_WD1" bio irq 14 vector wdintr
disk wd0 at wdc0 drive 0
disk wd1 at wdc0 drive 1
controller wdc1 at isa? port "IO_WD2" bio irq 15 vector wdintr
#disk wd2 at wdc1 drive 0
#disk wd3 at wdc1 drive 1
options ATAPI #Enable ATAPI support for IDE bus
#options ATAPI_STATIC
device wcd0 #IDE CD-ROM
controller ncr0
controller ahb0
controller ahc0
controller ahc1
controller bt0 at isa? port "IO_BT0" bio irq ? vector bt_isa_intr
controller uha0 at isa? port "IO_UHA0" bio irq ? drq 5 vector uhaintr
controller aha0 at isa? port "IO_AHA0" bio irq ? drq 5 vector ahaintr
controller aic0 at isa? port 0x340 bio irq 11 vector aicintr
controller nca0 at isa? port 0x1f88 bio irq 10 vector ncaintr
controller nca1 at isa? port 0x350 bio irq 5 vector ncaintr
controller sea0 at isa? bio irq 5 iomem 0xc8000 iosiz 0x2000 vector seaintr
controller scbus0
device sd0
device od0
device st0
device cd0 #Only need one of these, the code dynamically grows
device wt0 at isa? port 0x300 bio irq 5 drq 1 vector wtintr
device mcd0 at isa? port 0x300 bio irq 10 vector mcdintr
device mcd1 at isa? port 0x340 bio irq 11 vector mcdintr
controller matcd0 at isa? port 0x230 bio
device scd0 at isa? port 0x230 bio
# syscons is the default console driver, resembling an SCO console
device sc0 at isa? port "IO_KBD" tty irq 1 vector scintr
# Enable this and PCVT_FREEBSD for pcvt vt220 compatible console driver
#device vt0 at isa? port "IO_KBD" tty irq 1 vector pcrint
#options "PCVT_FREEBSD=210" # pcvt running on FreeBSD 2.1
#options XSERVER # include code for XFree86
device npx0 at isa? port "IO_NPX" irq 13 vector npxintr
device sio0 at isa? port "IO_COM1" tty irq 4 vector siointr
device sio1 at isa? port "IO_COM2" tty irq 3 vector siointr
device sio2 at isa? port "IO_COM3" tty irq 5 vector siointr
device sio3 at isa? port "IO_COM4" tty irq 9 vector siointr
device lpt0 at isa? port? tty irq 7 vector lptintr
device lpt1 at isa? port? tty
device lpt2 at isa? port? tty
# Order is important here due to intrusive probes, do *not* alphabetize
# this list of network interfaces until the probes have been fixed.
# Right now it appears that the ie0 must be probed before ep0. See
# revision 1.20 of this file.
device de0
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
device ie0 at isa? port 0x360 net irq 7 iomem 0xd0000 vector ieintr
device ep0 at isa? port 0x300 net irq 10 vector epintr
device ix0 at isa? port 0x300 net irq 10 iomem 0xd0000 iosiz 32768 vector ixintr
device le0 at isa? port 0x300 net irq 5 iomem 0xd0000 vector le_intr
device lnc0 at isa? port 0x280 net irq 10 drq 0 vector lncintr
device lnc1 at isa? port 0x300 net irq 10 drq 0 vector lncintr
device ze0 at isa? port 0x300 net irq 5 iomem 0xd8000 vector zeintr
device zp0 at isa? port 0x300 net irq 10 iomem 0xd8000 vector zpintr
pseudo-device loop
pseudo-device ether
pseudo-device log
pseudo-device sl 1
# ijppp uses tun instead of ppp device
pseudo-device ppp 1
pseudo-device tun 1
pseudo-device pty 16
pseudo-device gzip # Exec gzipped a.out's
#
# Audio drivers: `snd', `sb', `pas', `gus', `pca'
#
# snd: Voxware sound support code
# sb: SoundBlaster PCM - SoundBlaster, SB Pro, SB16, ProAudioSpectrum
# sbxvi: SoundBlaster 16
# sbmidi: SoundBlaster 16 MIDI interface
# pas: ProAudioSpectrum PCM and MIDI
# gus: Gravis Ultrasound - Ultrasound, Ultrasound 16, Ultrasound MAX
# gusxvi: Gravis Ultrasound 16-bit PCM (do not use)
# mss: Microsoft Sound System
# opl: Yamaha OPL-2 and OPL-3 FM - SB, SB Pro, SB 16, ProAudioSpectrum
# uart: stand-alone 6850 UART for MIDI
# mpu: Roland MPU-401 stand-alone card
#
# Beware! The addresses specified below are also hard-coded in
# i386/isa/sound/sound_config.h. If you change the values here, you
# must also change the values in the include file.
#
# pca: PCM audio through your PC speaker
#
# If you don't have a lpt0 device at IRQ 7, you can remove the
# ``conflicts'' specification in the appropriate device entries below.
#
# If you have a GUS-MAX card and want to use the CS4231 codec on the
# card the drqs for the gus max must be 8 bit (1, 2, or 3).
#
# If you would like to use the full duplex option on the gus, then define
# flags to be the ``read dma channel''.
#
# options BROKEN_BUS_CLOCK #PAS-16 isn't working and OPTI chipset
# options SYMPHONY_PAS #PAS-16 isn't working and SYMPHONY chipset
# options EXCLUDE_SBPRO #PAS-16
# options SBC_IRQ=5 #PAS-16. Must match irq on sb0 line.
# PAS16: The order of the pas0/sb0/opl0 is important since the
# sb emulation is enabled in the pas-16 attach.
#
# The i386/isa/sound/sound.doc has more information.
# Controls all sound devices
controller snd0
device pas0 at isa? port 0x388 irq 10 drq 6 vector pasintr
device sb0 at isa? port 0x220 irq 7 conflicts drq 1 vector sbintr
device sbxvi0 at isa? drq 5
device sbmidi0 at isa? port 0x330
device gus0 at isa? port 0x220 irq 12 drq 1 vector gusintr
#device gus0 at isa? port 0x220 irq 12 drq 1 flags 0x3 vector gusintr
device mss0 at isa? port 0x530 irq 10 drq 1 vector adintr
device opl0 at isa? port 0x388 conflicts
device mpu0 at isa? port 0x330 irq 6 drq 0
device uart0 at isa? port 0x330 irq 5 vector "m6850intr"
# More undocumented sound devices with bogus configurations for linting.
# broken
#device sscape0 at isa? port 0x330 irq 6 drq 0
#device trix0 at isa? port 0x330 irq 6 drq 0 vector sscapeintr
# Not controlled by `snd'
device pca0 at isa? port IO_TIMER1 tty
#
# Miscellaneous hardware:
#
device joy0 at isa? port "IO_GAME"
# More undocumented options for linting.
#options APM_SLOWSTART=1
options COMPAT_LINUX
#options DEBUG
options "EXT2FS"
options "IBCS2"
options LINUX
options "SCSI_2_DEF"
#options SHOW_BUSYBUFS # List buffers that prevent root unmount
-----8<---------8<---------8<---------8<---------8<---------8<----
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