Date: Wed, 16 Feb 2005 14:02:12 +0100 From: Charles Erik McDonald <charles-erik@mcdonald.no> To: freebsd-stable@freebsd.org Subject: Strange disk problems make the system lock up Message-ID: <42134454.7030306@mcdonald.no>
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Hi,
I have a problem that arises once in a while with my IDE drives under
FreeBSD 5.3
uname:
FreeBSD bastion 5.3-RELEASE-p5 FreeBSD 5.3-RELEASE-p5 #23: Mon Feb 7
13:28:32 UTC 2005
I have two large disks:
/dev/ad2 144G 124G 9.2G 93% /mnt/sp1604n
/dev/ad3 226G 202G 5.2G 98% /mnt/wd2500pb
Each with only one partition, where fdisk on /dev/ad3 gives the
following information:
The data for partition 1 is:
sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD)
start 63, size 488392002 (238472 Meg), flag 80 (active)
beg: cyl 0/ head 1/ sector 1;
end: cyl 1023/ head 254/ sector 63
Both disks are in UDMA33 mode, checked with atacontrol. Fsck does not
report any errors on any of the drives, nor does smartctl.
The problem is that sometimes, one of the drives will "disappear".
/mnt/wd2500pb (or the other) will simply become inaccessible.
bastion(root):/var/run#cd /mnt/wd2500pb
-su: cd: /mnt/wd2500pb: Not a directory
The strange thing is, 'df' still reports the drive, and I can fsck it.
The root fs that holds /mnt/ doesn't report any errors with fsck, but
bastion(root):~#ls -l /mnt/
ls: wd2500pb: Bad file descriptor
total 8
drwxrwxrwx 28 root operator 1536 Feb 14 22:40 sp1604n
drwxr-xr-x 2 root wheel 512 Jan 17 2004 usb_thumbdrive
.. trying to list /mnt, the mountpoint for the drive is listed as having
a bad filedescriptor.
Yesterday I unmounted both drives, removed the directories/mountpoints
and recreated them both,
but this morning the same thing happened - only now on the other drive
(sp1604n).
When I try to unmount the drive, the whole system freezes up and I am
forced to do a cold boot.
It does not freeze/lockup if I try to check the fs, only when I try to
unmount.
Hope this is valid for this group ..
So long,
C.Erik
dmesg.boot:
Copyright (c) 1992-2004 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 5.3-RELEASE-p5 #23: Mon Feb 7 13:28:32 UTC 2005
root@bastion:/usr/obj/usr/src/sys/BASTION
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Pentium III/Pentium III Xeon/Celeron (548.54-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0x673 Stepping = 3
Features=0x383fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE>
real memory = 805306368 (768 MB)
avail memory = 778305536 (742 MB)
ACPI APIC Table: <COMPAQ LAREDO >
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
cpu0 (BSP): APIC ID: 1
cpu1 (AP): APIC ID: 0
MADT: Forcing active-low polarity and level trigger for SCI
ioapic0 <Version 1.1> irqs 0-23 on motherboard
npx0: [FAST]
npx0: <math processor> on motherboard
npx0: INT 16 interface
acpi0: <COMPAQ LAREDO> on motherboard
Timecounter "ACPI-safe" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0xf808-0xf80b on acpi0
cpu0: <ACPI CPU (2 Cx states)> on acpi0
cpu1: <ACPI CPU (2 Cx states)> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
agp0: <Intel 82443BX (440 BX) host to PCI bridge> mem
0x54000000-0x57ffffff at device 0.0 on pci0
pcib1: <PCI-PCI bridge> at device 1.0 on pci0
pci1: <PCI bus> on pcib1
pci1: <display, VGA> at device 0.0 (no driver attached)
pci0: <mass storage, SCSI> at device 11.0 (no driver attached)
fxp0: <Intel 82558 Pro/100 Ethernet> port 0x5480-0x549f mem
0x52000000-0x520fffff,0x52400000-0x52400fff irq 20 at device 12.0 on pci
0
miibus0: <MII bus> on fxp0
inphy0: <i82555 10/100 media interface> on miibus0
inphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
fxp0: Ethernet address: 00:50:8b:72:a0:f4
xl0: <3Com 3c905C-TX Fast Etherlink XL> port 0x5400-0x547f mem
0x52300000-0x5230007f irq 17 at device 13.0 on pci0
miibus1: <MII bus> on xl0
ukphy0: <Generic IEEE 802.3u media interface> on miibus1
ukphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
xl0: Ethernet address: 00:04:75:7c:dd:d2
isab0: <PCI-ISA bridge> at device 20.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel PIIX4 UDMA33 controller> port
0x54c0-0x54cf,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 at device 20.1 on pci0
ata0: channel #0 on atapci0
ata1: channel #1 on atapci0
uhci0: <Intel 82371AB/EB (PIIX4) USB controller> port 0x54a0-0x54bf irq
19 at device 20.2 on pci0
uhci0: [GIANT-LOCKED]
usb0: <Intel 82371AB/EB (PIIX4) USB controller> 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: <bridge, PCI-unknown> at device 20.3 (no driver attached)
acpi_button0: <Power Button> on acpi0
atkbdc0: <Keyboard controller (i8042)> port 0x64,0x60 irq 1 on acpi0
atkbd0: <AT Keyboard> flags 0x1 irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
ppc0: <ECP parallel printer port> port 0x778-0x77d,0x378-0x37f irq 7 drq
3 on acpi0
ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
ppc0: FIFO with 16/16/8 bytes threshold
ppbus0: <Parallel port bus> on ppc0
plip0: <PLIP network interface> on ppbus0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
sio0: <Standard PC COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
sio0: type 16550A
sio1: <Standard PC COM port> port 0x2f8-0x2ff irq 3 on acpi0
sio1: type 16550A
fdc0: <floppy drive controller> port 0x3f0-0x3f5 irq 6 drq 2 on acpi0
fdc0: [FAST]
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
orm0: <ISA Option ROMs> at iomem
0xec000-0xeffff,0xcc000-0xcc7ff,0xc8000-0xcbfff,0xc0000-0xc7fff on isa0
pmtimer0 on isa0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
Timecounters tick every 10.000 msec
ad0: 114473MB <WDC WD1200PB-00FBA0/15.05R15> [232581/16/63] at
ata0-master UDMA33
ad2: 152627MB <SAMSUNG SP1604N/TM100-23> [310101/16/63] at ata1-master
UDMA33
ad3: 238475MB <WDC WD2500PB-00FBA0/15.05R15> [484521/16/63] at
ata1-slave UDMA33
SMP: AP CPU #1 Launched!
Mounting root from ufs:/dev/ad0s1a
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