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NFS strangeness

To: misc_(_at_)_openbsd_(_dot_)_org
Subject: NFS strangeness
From: Lee Sheridan <lsherida_(_at_)_nccs_(_dot_)_nasa_(_dot_)_gov>
Date: Thu, 7 Apr 2005 09:10:07 -0400
Organization: NASA/Goddard Space Flight Center
Something here doesn't quite look right...

This is the output of "df -h" on an OpenBSD NFS client:

Filesystem                  Size    Used   Avail Capacity  Mounted on
/dev/wd0a                   9.8G    509M    8.9G     5%    /
xxx.xxx.xxx.xxx:/input      611G    461G    151G    75%    /input
xxx.xxx.xxx.xxx:/output0    374G    1.6T    736G   451%    /output0
xxx.xxx.xxx.xxx:/output1    1.3T    144G   -872G    11%    /output1
xxx.xxx.xxx.xxx:/output2    1.5T    356M   -546G     0%    /output2

The client in question is:

OpenBSD hostname.gsfc.nasa.gov 3.7 GENERIC.MP#296 amd64

The server is an IRIX machine.  The filesystems on the IRIX box are
cxfs, and look like such on the df -h:

Filesystem             Type  Size   use  avail  %use  Mounted on
/dev/cxvm/hds_input     xfs  611G  461G   150G   76%  /input
/dev/cxvm/hds_output    xfs  6.4T  5.7T   700G   90%  /output0
/dev/cxvm/output1       xfs  7.3T  144G   7.1T    2%  /output1
/dev/cxvm/output2       xfs  5.5T  356M   5.5T    1%  /output2


I'm wondering if this has anything to do with the size of the
filesystems.  I can't seem to find anything related on a search of -misc
or Google.

When I try to write a significant amount of data to the filesystem, the
copy hangs, and top shows the cp in STATE "idle".

I am running 9000-byte MTUs on the network, but that appears to be
working correctly.

I'd appreciate any help, in particular anyone who cares to tell me how
stupid I'm being and a trivial solution to fix this. :)

dmesg says:

OpenBSD 3.7 (GENERIC.MP) #296: Sun Mar 20 00:54:29 MST 2005
    deraadt_(_at_)_amd64_(_dot_)_openbsd_(_dot_)_org:/usr/src/sys/arch/amd64/compile/GENERIC.MP
real mem = 2147020800 (2096700K)
avail mem = 1836568576 (1793524K)
using 22937 buffers containing 214908928 bytes (209872K) of memory
mainbus0 (root)
mainbus0: Intel MP Specification (Version 1.1) (AMD      SERENADE    )
cpu0 at mainbus0: apid 0 (boot processor)
cpu0: AMD Opteron(tm) Processor 250, 2389.58 MHz
cpu0: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,NXE,MMXX,LONG,3DNOW2,3DNOW
cpu0: 64KB 64b/line 2-way I-cache, 64KB 64b/line 2-way D-cache, 1MB 64b/line 16-way L2 cache
cpu0: ITLB 32 4KB entries fully associative, 8 4MB entries fully associative
cpu0: DTLB 32 4KB entries fully associative, 8 4MB entries fully associative
cpu0: apic clock running at 199108988Hz
cpu1 at mainbus0: apid 1 (application processor)
cpu1: AMD Opteron(tm) Processor 250, 2389.31 MHz
cpu1: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,NXE,MMXX,LONG,3DNOW2,3DNOW
cpu1: 64KB 64b/line 2-way I-cache, 64KB 64b/line 2-way D-cache, 1MB 64b/line 16-way L2 cache
cpu1: ITLB 32 4KB entries fully associative, 8 4MB entries fully associative
cpu1: DTLB 32 4KB entries fully associative, 8 4MB entries fully associative
mpbios: bus 0 is type PCI   
mpbios: bus 1 is type PCI   
mpbios: bus 2 is type PCI   
mpbios: bus 3 is type PCI   
mpbios: bus 4 is type ISA   
ioapic0 at mainbus0 apid 2: pa 0xffff800003876e24, version 11, 24 pins
ioapic1 at mainbus0 apid 3: pa 0xffff800003876d24, version 11, 4 pins
ioapic2 at mainbus0 apid 4: pa 0xffff800003876c24, version 11, 4 pins
pci0 at mainbus0 bus 0: configuration mode 1
ppb0 at pci0 dev 1 function 0 "AMD 8131 PCIX" rev 0x12
pci1 at ppb0 bus 3
isp0 at pci1 dev 1 function 0 vendor "QLogic", unknown product 0x2312 rev 0x02: apic 3 int 1 (irq 5)
isp0: Polled Mailbox Command (0x2) Timeout
isp1 at pci1 dev 1 function 1 vendor "QLogic", unknown product 0x2312 rev 0x02: apic 3 int 2 (irq 9)
isp1: Polled Mailbox Command (0x2) Timeout
isp1: Polled Mailbox Command (0x8) Timeout
"AMD 8131 PCIX IOAPIC" rev 0x01 at pci0 dev 1 function 1 not configured
ppb1 at pci0 dev 2 function 0 "AMD 8131 PCIX" rev 0x12
pci2 at ppb1 bus 2
bge0 at pci2 dev 3 function 0 "Broadcom BCM5704C" rev 0x02, BCM5704 A2 (0x2002): apic 4 int 3 (irq 10) address 00:00:1a:19:bd:3f
brgphy0 at bge0 phy 1: BCM5704 10/100/1000baseT PHY, rev. 0
bge1 at pci2 dev 3 function 1 "Broadcom BCM5704C" rev 0x02, BCM5704 A2 (0x2002): apic 4 int 0 (irq 11) address 00:00:1a:19:bd:40
brgphy1 at bge1 phy 1: BCM5704 10/100/1000baseT PHY, rev. 0
"AMD 8131 PCIX IOAPIC" rev 0x01 at pci0 dev 2 function 1 not configured
ppb2 at pci0 dev 6 function 0 "AMD 8111 PCI-PCI" rev 0x07
pci3 at ppb2 bus 1
ohci0 at pci3 dev 0 function 0 "AMD 8111 USB" rev 0x0b: apic 2 int 19 (irq 10), version 1.0, legacy support
ohci0: SMM does not respond, resetting
usb0 at ohci0: USB revision 1.0
uhub0 at usb0
uhub0: AMD OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 3 ports with 3 removable, self powered
ohci1 at pci3 dev 0 function 1 "AMD 8111 USB" rev 0x0b: apic 2 int 19 (irq 10), version 1.0, legacy support
ohci1: SMM does not respond, resetting
usb1 at ohci1: USB revision 1.0
uhub1 at usb1
uhub1: AMD OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 3 ports with 3 removable, self powered
vga1 at pci3 dev 4 function 0 "ATI Rage XL" rev 0x27
wsdisplay0 at vga1: console (80x25, vt100 emulation)
wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
"AMD AMD8111 LPC" rev 0x05 at pci0 dev 7 function 0 not configured
pciide0 at pci0 dev 7 function 1 "AMD 8111 IDE" rev 0x03: DMA, channel 0 configured to compatibility, channel 1 configured to compatibility
wd0 at pciide0 channel 0 drive 0: <Maxtor 6E040L0>
wd0: 16-sector PIO, LBA, 38166MB, 78165360 sectors
wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 6
wd1 at pciide0 channel 1 drive 0: <Maxtor 6E040L0>
wd1: 16-sector PIO, LBA, 38166MB, 78165360 sectors
wd1(pciide0:1:0): using PIO mode 4, Ultra-DMA mode 6
"AMD 8111 ACPI" rev 0x05 at pci0 dev 7 function 3 not configured
pchb0 at pci0 dev 24 function 0 "AMD AMD64 HyperTransport" rev 0x00
pchb1 at pci0 dev 24 function 1 "AMD AMD64 Address Map" rev 0x00
pchb2 at pci0 dev 24 function 2 "AMD AMD64 DRAM Cfg" rev 0x00
pchb3 at pci0 dev 24 function 3 "AMD AMD64 Misc Cfg" rev 0x00
pchb4 at pci0 dev 25 function 0 "AMD AMD64 HyperTransport" rev 0x00
pchb5 at pci0 dev 25 function 1 "AMD AMD64 Address Map" rev 0x00
pchb6 at pci0 dev 25 function 2 "AMD AMD64 DRAM Cfg" rev 0x00
pchb7 at pci0 dev 25 function 3 "AMD AMD64 Misc Cfg" rev 0x00
isa0 at mainbus0
com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
pckbc0 at isa0 port 0x60/5
pckbd0 at pckbc0 (kbd slot)
pckbc0: using irq 1 for kbd slot
wskbd0 at pckbd0 (mux 1 ignored for console): console keyboard, using wsdisplay0
pmsi0 at pckbc0 (aux slot)
pckbc0: using irq 12 for aux slot
wsmouse0 at pmsi0 mux 0
pcppi0 at isa0 port 0x61
sysbeep0 at pcppi0
lm0 at isa0 port 0x290/8: W83627HF
dkcsum: wd0 matched BIOS disk 80
wd1: no disk label
dkcsum: wd1 matched BIOS disk 81
root on wd0a
rootdev=0x0 rrootdev=0x300 rawdev=0x302
WARNING: / was not properly unmounted
cpu1: CPU 1 running

-- 
Lee Sheridan                            301.286.5898 voice
NASA / Goddard Space Flight Center      lsherida_(_at_)_nccs_(_dot_)_nasa_(_dot_)_gov
Computer Sciences Corporation           Building 28, Room S230
Code 606.2
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