Date: Fri, 7 Jun 2002 18:02:39 +0700 From: Alain Fauconnet <alain@cscoms.net> To: freebsd-stable@freebsd.org Subject: Numerous hard hangs on TWO different ASUS P4T-E w/P4 1.6G Message-ID: <20020607180239.C5061@cscoms.net>
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Hello FreeBSDers,
I am experiencing numerous hard hangs on a fairly busy FreeBSD 4.5 box
(IMP web mail server with a lot of users). Sometimes 4 times in one
hour. Reset button is the only solution, no Ctrl-Alt-Del, no
Ctrl-Alt-Esc (DDB is compiled in the kernel and "usually" works).
This box has been fairly stable for a couple of months of production
mode, although it did experience a shorter series of similar hangs (2
or 3) a few of weeks ago. I have switched the disk to a completely
similar box (same m/b, configuration...) and it also hangs, so I have
more or less ruled out a hardware failure (unless the disk is the
culprit?).
Does it ring any bells ? A search on this failed to produce any close
result. All critical patches to 4.5 mentioning system crashes found on
the "Errata" section of www.freebsd.org have been applied, at least
all the ones relevant to a machine with no shell users.
Kernel is non-SMP.
Configuration:
ASUS P4T-E m/b
CPU: Intel P4 @ 1.6Gb
Memory: 512Mb in one DIMM (or whatever this kind of memory is called)
Disk: IDE Seagate ST340016A 38 Gb
Video: old PCI S3 ViRGE adapter (always in text mode)
Oh well, why not copy/paste dmesg to provide real info? Here is it:
FreeBSD 4.5-RELEASE #1: Fri Jun 7 17:33:00 ICT 2002
root@webmail:/usr/src/sys/compile/LILO
Timecounter "i8254" frequency 1193182 Hz
Timecounter "TSC" frequency 1607116108 Hz
CPU: Pentium 4 (1607.12-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0xf12 Stepping = 2
Features=0x3febfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,<b28>,ACC>
real memory = 536784896 (524204K bytes)
avail memory = 517525504 (505396K bytes)
Preloaded elf kernel "kernel" at 0xc045c000.
md0: Malloc disk
Using $PIR table, 8 entries at 0xc00f1400
npx0: <math processor> on motherboard
npx0: INT 16 interface
pcib0: <Host to PCI bridge> on motherboard
pci0: <PCI bus> on pcib0
pcib1: <PCI to PCI bridge (vendor=8086 device=2532)> at device 1.0 on pci0
pci1: <PCI bus> on pcib1
pcib2: <Intel 82801BA/BAM (ICH2) Hub to PCI bridge> at device 30.0 on pci0
pci2: <PCI bus> on pcib2
pci2: <S3 ViRGE graphics accelerator> at 9.0 irq 9
xl0: <3Com 3c905C-TX Fast Etherlink XL> port 0xd800-0xd87f mem 0xef800000-0xef80007f irq 9 at device 10.0 on pci2
xl0: Ethernet address: 00:04:75:77:85:d0
miibus0: <MII bus> on xl0
ukphy0: <Generic IEEE 802.3u media interface> on miibus0
ukphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
isab0: <Intel 82801BA/BAM (ICH2) PCI to LPC bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel ICH2 ATA100 controller> port 0xb800-0xb80f at device 31.1 on pci0
ata0: at 0x1f0 irq 14 on atapci0
ata1: at 0x170 irq 15 on atapci0
uhci0: <Intel 82801BA/BAM (ICH2) USB controller USB-A> port 0xb400-0xb41f irq 9 at device 31.2 on pci0
usb0: <Intel 82801BA/BAM (ICH2) USB controller USB-A> on uhci0
usb0: USB revision 1.0
uhub0: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
pci0: <unknown card> (vendor=0x8086, dev=0x2443) at 31.3 irq 11
uhci1: <Intel 82801BA/BAM (ICH2) USB controller USB-B> port 0xb000-0xb01f irq 9 at device 31.4 on pci0
usb1: <Intel 82801BA/BAM (ICH2) USB controller USB-B> on uhci1
usb1: USB revision 1.0
uhub1: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 2 ports with 2 removable, self powered
pci0: <unknown card> (vendor=0x8086, dev=0x2445) at 31.5 irq 11
orm0: <Option ROMs> at iomem 0xc0000-0xc7fff,0xc8000-0xc87ff 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
psm0: failed to get data.
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: model Generic PS/2 mouse, 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>
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 16/16/9 bytes threshold
plip0: <PLIP network interface> on ppbus0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
ad0: 38166MB <ST340016A> [77545/16/63] at ata0-master UDMA100
acd0: CDROM <ASUS CD-S520/A> at ata1-slave using PIO4
Just now I have tried to force all IDE units to PIO mode using
hw.atamodes=pio,pio,pio,pio
in /etc/sysctl.conf, and the machine has been stable for an hour or so
although it was crashing every 15' before. But that doesn't mean much
yet.
Thanks for any help...
Greets,
_Alain_
--
Alain FAUCONNET
Sr. System Administrator
CS Communications Co. Ltd. - Thailand
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