On Jul 03 10:32:29, Amit Kulkarni wrote:
> > This is 5.1-beta/i386 on an ALIX about five years old,
> > running as my home server.
> >
> > Recently, processes started to die for reasons unknown, as in
> >
> > pid 20260 (postgres): user write of 118784@0x28052000 at 159088 failed: 14
> > pid 1872 (cron): user write of 118784@0x2b1e3000 at 30224 failed: 14
> >
> > 14 is EFAULT as per sys/errno,h
> > - what can be causing it?
>
> first check if filesystem is full.
Filesystem Size Used Avail Capacity Mounted on
/dev/wd0a 196M 113M 73.6M 61% /
/dev/wd0d 490M 421M 44.2M 90% /usr
/dev/wd0e 1.6G 382M 1.1G 25% /usr/local
/dev/wd0g 48.5M 7.4M 38.7M 16% /var
/dev/wd0h 49.0M 22.8M 23.7M 49% /var/log
/dev/wd0i 49.0M 20.2M 26.4M 43% /var/mail
/dev/wd0j 197M 23.6M 164M 13% /var/mysql
/dev/wd0k 97.8M 39.9M 53.0M 43% /var/postgresql
/dev/wd0l 49.0M 16.3M 30.3M 35% /var/spool
/dev/wd0m 4.9G 3.3G 1.3G 71% /var/www
/dev/wd0n 1005M 34.0K 954M 0% /tmp
/dev/wd0o 5.0G 2.9G 1.8G 61% /home
Can you please elaborate how a lack of disk space
would result in an EFAULT?
> how much is swap configured?
swapctl: no swap devices configured
The machine doesn't do much, and so far the 128M of RAM was enough.
I will reinstall with a swap partition if it makes a difference -
should lack of swap result in an EFAULT?
Jan
> > It usually happens under a stress (the machine is pretty scarse
> > on resources, so 'stress' can be accepting a batch of DNS queries).
> > For example, the postgres EFAULT above happened exactly when a batch
> > of emails arrived.
> >
> > Is this a memory problem? My login.conf limits all classes
> > to datasize-cur=100M. Can this be a memory HW problem?
> >
> > Jan
> >
> >
> >
> > OpenBSD 5.1-beta (GENERIC) #140: Sat Jan 21 00:40:23 MST 2012
> > dera...@i386.openbsd.org:/usr/src/sys/arch/i386/compile/GENERIC
> > cpu0: Geode(TM) Integrated Processor by AMD PCS ("AuthenticAMD" 586-class)
> > 432 MHz
> > cpu0: FPU,DE,PSE,TSC,MSR,CX8,SEP,PGE,CMOV,CFLUSH,MMX,MMXX,3DNOW2,3DNOW
> > real mem = 133758976 (127MB)
> > avail mem = 121544704 (115MB)
> > mainbus0 at root
> > bios0 at mainbus0: AT/286+ BIOS, date 12/10/07, BIOS32 rev. 0 @ 0xfceb2
> > pcibios0 at bios0: rev 2.1 @ 0xf0000/0x10000
> > pcibios0: pcibios_get_intr_routing - function not supported
> > pcibios0: PCI IRQ Routing information unavailable.
> > pcibios0: PCI bus #0 is the last bus
> > bios0: ROM list: 0xe0000/0xa800
> > cpu0 at mainbus0: (uniprocessor)
> > pci0 at mainbus0 bus 0: configuration mode 1 (bios)
> > pchb0 at pci0 dev 1 function 0 "AMD Geode LX" rev 0x31
> > glxsb0 at pci0 dev 1 function 2 "AMD Geode LX Crypto" rev 0x00: RNG AES
> > vr0 at pci0 dev 9 function 0 "VIA VT6105M RhineIII" rev 0x96: irq 10,
> > address 00:0d:b9:12:9f:2c
> > ukphy0 at vr0 phy 1: Generic IEEE 802.3u media interface, rev. 3: OUI
> > 0x004063, model 0x0034
> > vr1 at pci0 dev 10 function 0 "VIA VT6105M RhineIII" rev 0x96: irq 11,
> > address 00:0d:b9:12:9f:2d
> > ukphy1 at vr1 phy 1: Generic IEEE 802.3u media interface, rev. 3: OUI
> > 0x004063, model 0x0034
> > vr2 at pci0 dev 11 function 0 "VIA VT6105M RhineIII" rev 0x96: irq 12,
> > address 00:0d:b9:12:9f:2e
> > ukphy2 at vr2 phy 1: Generic IEEE 802.3u media interface, rev. 3: OUI
> > 0x004063, model 0x0034
> > ral0 at pci0 dev 12 function 0 "Ralink RT2560" rev 0x01: irq 9, address
> > 00:11:09:0d:d3:36
> > ral0: MAC/BBP RT2560 (rev 0x04), RF RT2525
> > glxpcib0 at pci0 dev 15 function 0 "AMD CS5536 ISA" rev 0x03: rev 3, 32-bit
> > 3579545Hz timer, watchdog, gpio
> > gpio0 at glxpcib0: 32 pins
> > pciide0 at pci0 dev 15 function 2 "AMD CS5536 IDE" rev 0x01: DMA, channel 0
> > wired to compatibility, channel 1 wired to compatibility
> > wd0 at pciide0 channel 0 drive 0: <LEXAR ATA FLASH CARD>
> > wd0: 1-sector PIO, LBA, 15263MB, 31260096 sectors
> > wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 2
> > pciide0: channel 1 ignored (disabled)
> > ohci0 at pci0 dev 15 function 4 "AMD CS5536 USB" rev 0x02: irq 15, version
> > 1.0, legacy support
> > ehci0 at pci0 dev 15 function 5 "AMD CS5536 USB" rev 0x02: irq 15
> > usb0 at ehci0: USB revision 2.0
> > uhub0 at usb0 "AMD EHCI root hub" rev 2.00/1.00 addr 1
> > isa0 at glxpcib0
> > isadma0 at isa0
> > com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
> > com0: console
> > pcppi0 at isa0 port 0x61
> > spkr0 at pcppi0
> > npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16
> > usb1 at ohci0: USB revision 1.0
> > uhub1 at usb1 "AMD OHCI root hub" rev 1.00/1.00 addr 1
> > mtrr: K6-family MTRR support (2 registers)
> > nvram: invalid checksum
> > vscsi0 at root
> > scsibus0 at vscsi0: 256 targets
> > softraid0 at root
> > scsibus1 at softraid0: 256 targets
> > root on wd0a (5bea3261eefd6b7e.a) swap on wd0b dump on wd0b
> > clock: unknown CMOS layout
> > ral0: device timeout
> > pid 20260 (postgres): user write of 118784@0x28052000 at 159088 failed: 14
> > pid 1872 (cron): user write of 118784@0x2b1e3000 at 30224 failed: 14
