DEVFS Overflow table

Thomas Beer nohuman at gmail.com
Sun May 15 03:31:40 PDT 2005


> Can you show exactly how to repeat this error condition, so that
> others can try and replicate it?

After reboot:

[root at lap tom]# dmesg -aM
Copyright (c) 1992-2005 The FreeBSD Project.M
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994M
        The Regents of the University of California. All rights reserved.M
FreeBSD 5.4-STABLE #0: Sat May 14 21:54:42 CEST 2005M
    tom at lap.mobile:/usr/obj/usr/src/sys/IBM_02M
Timecounter "i8254" frequency 1193182 Hz quality 0M
CPU: Intel(R) Pentium(R) M processor 1.80GHz (1798.48-MHz 686-class CPU)M
  Origin = "GenuineIntel"  Id = 0x6d6  Stepping = 6M
  Features=0xafe9f9bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,TM,PBE>M
real memory  = 1073020928 (1023 MB)M
avail memory = 1040478208 (992 MB)M
npx0: <math processor> on motherboardM
npx0: INT 16 interfaceM
acpi0: <IBM TP-1R> on motherboardM
acpi_ec0: <Embedded Controller: GPE 0x1c, ECDT> port 0x66,0x62 on acpi0M
acpi0: Power Button (fixed)M
Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000M
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x1008-0x100b on acpi0M
cpu0: <ACPI CPU (3 Cx states)> on acpi0M
acpi_throttle0: <ACPI CPU Throttling> on cpu0M
acpi_lid0: <Control Method Lid Switch> on acpi0M
acpi_button0: <Sleep Button> on acpi0M
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0M
pci0: <ACPI PCI bus> on pcib0M
agp0: <Intel 82855 host to AGP bridge> mem 0xd0000000-0xdfffffff at
device 0.0 on pci0M
pcib1: <ACPI PCI-PCI bridge> at device 1.0 on pci0M
pci1: <ACPI PCI bus> on pcib1M
pci1: <display, VGA> at device 0.0 (no driver attached)M
uhci0: <Intel 82801DB (ICH4) USB controller USB-A> port 0x1800-0x181f
irq 11 at device 29.0 on pci0M
usb0: <Intel 82801DB (ICH4) USB controller USB-A> on uhci0M
usb0: USB revision 1.0M
uhub0: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1M
uhub0: 2 ports with 2 removable, self poweredM
uhci1: <Intel 82801DB (ICH4) USB controller USB-B> port 0x1820-0x183f
irq 11 at device 29.1 on pci0M
usb1: <Intel 82801DB (ICH4) USB controller USB-B> on uhci1M
usb1: USB revision 1.0M
uhub1: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1M
uhub1: 2 ports with 2 removable, self poweredM
uhci2: <Intel 82801DB (ICH4) USB controller USB-C> port 0x1840-0x185f
irq 11 at device 29.2 on pci0M
usb2: <Intel 82801DB (ICH4) USB controller USB-C> on uhci2M
usb2: USB revision 1.0M
uhub2: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1M
uhub2: 2 ports with 2 removable, self poweredM
pci0: <serial bus, USB> at device 29.7 (no driver attached)M
pcib2: <ACPI PCI-PCI bridge> at device 30.0 on pci0M
pci2: <ACPI PCI bus> on pcib2M
cbb0: <PCI-CardBus Bridge> mem 0xb0000000-0xb0000fff irq 11 at device
0.0 on pci2M
cardbus0: <CardBus bus> on cbb0M
pccard0: <16-bit PCCard bus> on cbb0M
cbb1: <PCI-CardBus Bridge> mem 0xb1000000-0xb1000fff irq 11 at device
0.1 on pci2M
cardbus1: <CardBus bus> on cbb1M
pccard1: <16-bit PCCard bus> on cbb1M
em0: <Intel(R) PRO/1000 Network Connection, Version - 1.7.35> port
0x8000-0x803f mem 0xc0200000-0xc020ffff,0xc0220000-0xc023ffff irq 11
at device 1.0 on pci2M
em0: Ethernet address: 00:0d:60:b1:b9:07M
em0:  Speed:N/A  Duplex:N/AM
pci2: <network> at device 2.0 (no driver attached)M
isab0: <PCI-ISA bridge> at device 31.0 on pci0M
isa0: <ISA bus> on isab0M
atapci0: <Intel ICH4 UDMA100 controller> port
0x1860-0x186f,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 at device 31.1 on
pci0M
ata0: channel #0 on atapci0M
ata1: channel #1 on atapci0M
pci0: <serial bus, SMBus> at device 31.3 (no driver attached)M
pcm0: <Intel ICH4 (82801DB)> port 0x18c0-0x18ff,0x1c00-0x1cff mem
0xc0000800-0xc00008ff,0xc0000c00-0xc0000dff irq 11 at device 31.5 on
pci0M
pcm0: <Analog Devices AD1981B AC97 Codec>M
pci0: <simple comms, generic modem> at device 31.6 (no driver attached)M
acpi_tz0: <Thermal Zone> on acpi0M
atkbdc0: <Keyboard controller (i8042)> port 0x64,0x60 irq 1 on acpi0M
atkbd0: <AT Keyboard> irq 1 on atkbdc0M
kbd0 at atkbd0M
psm0: <PS/2 Mouse> irq 12 on atkbdc0M
psm0: model Generic PS/2 mouse, device ID 0M
fdc0: <floppy drive controller (FDE)> port 0x3f7,0x3f0-0x3f5 irq 6 drq
2 on acpi0M
ppc0: <Standard parallel printer port> port 0x3bc-0x3be irq 7 on acpi0M
ppc0: Generic chipset (NIBBLE-only) in COMPATIBLE modeM
ppbus0: <Parallel port bus> on ppc0M
plip0: <PLIP network interface> on ppbus0M
lpt0: <Printer> on ppbus0M
lpt0: Interrupt-driven portM
ppi0: <Parallel I/O> on ppbus0M
acpi_cmbat0: <Control Method Battery> on acpi0M
acpi_acad0: <AC Adapter> on acpi0M
orm0: <ISA Option ROMs> at iomem
0xdc000-0xdffff,0xd1000-0xd1fff,0xd0000-0xd0fff on isa0M
pmtimer0 on isa0M
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0M
sc0: <System console> at flags 0x100 on isa0M
sc0: VGA <16 virtual consoles, flags=0x300>M
ums0: Logitech USB Receiver, rev 1.10/9.10, addr 2, iclass 3/1M
ums0: 5 buttons and Z dir.M
umass0: USB Flash Disk, rev 2.00/2.00, addr 3M
Timecounter "TSC" frequency 1798480037 Hz quality 800M
Timecounters tick every 10.000 msecM
Fast IPsec: Initialized Security Association Processing.M
IP Filter: v3.4.35 initialized.  Default = block all, Logging = enabledM
em0: Link is up 10 Mbps Half DuplexM
ad0: 57231MB <HTS726060M9AT00/MH4OA6BA> [116280/16/63] at ata0-master UDMA100M
acd0: CDRW <HL-DT-STCD-RW/DVD DRIVE GCC-4242N/0201> at ata1-master PIO4M
da0 at umass-sim0 bus 0 target 0 lun 0M
da0: <Verbatim USB Drive 2.00> Removable Direct Access SCSI-2 device M
da0: 1.000MB/s transfersM
da0: 125MB (256000 512 byte sectors: 64H 32S/T 125C)M
Mounting root from ufs:/dev/ad0s3aM
Pre-seeding PRNG:M
 kickstartM
.M
Loading configuration files.M
Entropy harvesting:M
 interruptsM
 ethernetM
 point_to_pointM
 kickstartM
.M
swapon: adding /dev/ad0s3b as swap deviceM
Starting file system checks:M
/dev/ad0s3a: FILE SYSTEM CLEAN; SKIPPING CHECKSM
/dev/ad0s3a: clean, 451015 free (591 frags, 56303 blocks, 0.1% fragmentation)M
/dev/ad0s3e: FILE SYSTEM CLEAN; SKIPPING CHECKSM
/dev/ad0s3e: clean, 247858 free (34 frags, 30978 blocks, 0.0% fragmentation)M
/dev/ad0s3f: FILE SYSTEM CLEAN; SKIPPING CHECKSM
/dev/ad0s3f: clean, 6642801 free (62417 frags, 822548 blocks, 0.7%
fragmentation)M
/dev/ad0s3d: FILE SYSTEM CLEAN; SKIPPING CHECKSM
/dev/ad0s3f: clean, 6642801 free (62417 frags, 822548 blocks, 0.7%
fragmentation)M
/dev/ad0s3d: FILE SYSTEM CLEAN; SKIPPING CHECKSM
/dev/ad0s3d: clean, 448045 free (957 frags, 55886 blocks, 0.2% fragmentation)M
Enabling ipfilter.M
ioctl(SIOCIPFL6): Invalid argumentM
1:M
ioctl(add/insert rule): No such processM
net.inet.ip.random_id: M
0M
 -> M
1M
M
net.inet.ip.ttl: M
64M
 -> M
98M
M
vfs.usermount: M
0M
 -> M
1M
M
Setting hostname: lap.mobile.M
Starting ipmon.M
em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500M
        options=b<RXCSUM,TXCSUM,VLAN_MTU>M
        inet 192.168.1.6 netmask 0xfffffff0 broadcast 192.168.1.15M
        ether 00:0d:60:b1:b9:07M
        media: Ethernet autoselectM
        status: no carrierM
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384M
        inet 127.0.0.1 netmask 0xff000000 M
filter sync'dM
Starting ppp as "root"M
/libexec/ld-elf.so.1: M
Shared object "libintl.so.6" not found, required by "su"M
M
filter sync'dM
Additional routing options:M
 ignore ICMP redirect=YESM
 log ICMP redirect=YESM
.M
Starting devd.M
hw.acpi.cpu.cx_lowest: M
C1M
 -> M
C1M
M
dev.cpu.0.freq: M
1795M
 -> M
1795M
M
Mounting NFS file systems:M
.M
Starting syslogd.M
May 15 12:24:24 lap syslogd: kernel boot file is /boot/kernel/kernelM
Clearing /tmp.M
ELF ldconfig path: /lib /usr/lib /usr/lib/compat /usr/X11R6/lib /usr/local/libM
a.out ldconfig path: /usr/lib/aout /usr/lib/compat/aout /usr/X11R6/lib/aoutM
Starting usbd.M
Starting local daemons:M
.M
Starting lpd.M
Starting ntpd.M
usage: /usr/sbin/ntpd [ -abdgmnqx ] [ -c config_file ] [ -e e_delay ]M
                [ -f freq_file ] [ -k key_file ] [ -l log_file ]M
                [ -p pid_file ] [ -r broad_delay ] [ -s statdir ]M
                [ -t trust_key ] [ -v sys_var ] [ -V default_sysvar ]M
Configuring syscons:M
 keymapM
 blanktimeM
.M
Initial i386 initialization:M
.M
Additional ABI support:M
 linuxM
em0: Link is up 10 Mbps Half DuplexM
.M
Starting cron.M
Local package initialization:M
Starting anacron.M
 qmail-smtpM
 qmail-popM
 qmailM
Starting svscan.M
 dnscacheM
.M
.M
Additional TCP options:M
.M
Starting moused:M
.M
Starting background file system checks in 60 seconds.M
M
Sun May 15 12:24:27 CEST 2005M
May 15 12:25:04 lap su: tom to root on /dev/ttyp3M
[root at lap tom]# eH Hsu tomM
[tom at lap tom]$ pppM
Working in interactive modeM
^CM

>>>>  PPP  MUST be aborted, cause it hangs!

[tom at lap tom]$ dmesg -a |grep DEVFSM

DEVFS Overflow table with 65538 entries allocatedM

If I do the same as user root this will not happen!

Cheers Tom


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