card produces very high load

Joachim von Thadden thadden@bbaw.de
Fri Aug 21 08:08:44 1998


What I also investigated is, that the used interrupt (15) is almost the
whole time high! Here are some system information:

 #ifconfig
lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Bcast:127.255.255.255  Mask:255.0.0.0
          UP BROADCAST LOOPBACK RUNNING  MTU:3584  Metric:1
          RX packets:7989 errors:0 dropped:0 overruns:0 frame:0
          TX packets:7989 errors:0 dropped:0 overruns:0 carrier:0 coll:0

eth0      Link encap:Ethernet  HWaddr 00:A0:C9:4D:20:D7
          inet addr:192.168.5.1  Bcast:192.168.5.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:21813 errors:0 dropped:0 overruns:0 frame:0
          TX packets:21966 errors:0 dropped:0 overruns:0 carrier:0
coll:17
          Interrupt:15 Base address:0xb800

eth1      Link encap:Ethernet  HWaddr 00:10:4B:44:5A:11
          inet addr:194.95.188.1  Bcast:194.95.188.255 
Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:10484 errors:0 dropped:0 overruns:0 frame:0
          TX packets:10823 errors:0 dropped:0 overruns:0 carrier:0
coll:16
          Interrupt:10 Base address:0xb400

 #cat /proc/interrupts
 0:     367868   timer
 1:        830   keyboard
 2:          0   cascade
 4:         11 + serial
 8:          0 + rtc
10:      21117   eth1
13:      49864 + IPI
14:      22865   aic7xxx
15:      44363   Intel EtherExpress Pro 10/100 Ethernet

 #cat /proc/pci
PCI devices found:
  Bus  0, device  12, function  0:
    VGA compatible controller: S3 Inc. Trio64V2/DX or /GX (rev 20).
      Medium devsel.  IRQ 11.
      Non-prefetchable 32 bit memory at 0xdc000000.
  Bus  0, device  11, function  0:
    Ethernet controller: 3Com 3C900 10b Combo (rev 0).
      Medium devsel.  IRQ 10.  Master Capable.  Latency=32.  Min
Gnt=3.Max Lat=8.
      I/O at 0xb400.
  Bus  0, device  10, function  0:
    Ethernet controller: Intel 82557 (rev 2).
      Medium devsel.  Fast back-to-back capable.  IRQ 15.  Master
Capable.  Latency=32.  Min Gnt=8.Max Lat=56.
      Prefetchable 32 bit memory at 0xe3000000.
      I/O at 0xb800.
      Non-prefetchable 32 bit memory at 0xe1800000.
  Bus  0, device   6, function  0:
    SCSI storage controller: Adaptec AIC-7880U (rev 0).
      Medium devsel.  Fast back-to-back capable.  IRQ 14.  Master
Capable.  Latency=32.  Min Gnt=8.Max Lat=8.
      I/O at 0xd000.
      Non-prefetchable 32 bit memory at 0xe2000000.
  Bus  0, device   4, function  3:
    Bridge: Intel 82371AB PIIX4 ACPI (rev 1).
      Medium devsel.  Fast back-to-back capable.
  Bus  0, device   4, function  2:
    USB Controller: Intel 82371AB PIIX4 USB (rev 1).
      Medium devsel.  Fast back-to-back capable.  IRQ 255.  Master
Capable.  Latency=32.
      I/O at 0xd400.
  Bus  0, device   4, function  1:
    IDE interface: Intel 82371AB PIIX4 IDE (rev 1).
      Medium devsel.  Fast back-to-back capable.  Master Capable. 
Latency=32.
      I/O at 0xd800.
  Bus  0, device   4, function  0:
    ISA bridge: Intel 82371AB PIIX4 ISA (rev 1).
      Medium devsel.  Fast back-to-back capable.  Master Capable.  No
bursts.
  Bus  0, device   1, function  0:
    PCI bridge: Intel 440LX - 82443LX PAC AGP (rev 3).
      Medium devsel.  Fast back-to-back capable.  Master Capable. 
Latency=64.  Min Gnt=1.
  Bus  0, device   0, function  0:
    Host bridge: Intel 440LX - 82443LX PAC Host (rev 3).
      Medium devsel.  Fast back-to-back capable.  Master Capable. 
Latency=64.
      Prefetchable 32 bit memory at 0xe4000000.

 #cat /proc/ioports
0000-001f : dma1
0020-003f : pic1
0040-005f : timer
0060-006f : keyboard
0070-007f : rtc
0080-009f : dma page reg
00a0-00bf : pic2
00c0-00df : dma2
00f0-00ff : npu
0295-0297 : lm78
02f8-02ff : serial(auto)
03c0-03df : vga+
03f8-03ff : serial(auto)
0cf8-0d01 : lm78
b400-b41f : 3c900 Boomerang 10Mbps/Combo
b800-b81f : Intel Speedo3 Ethernet
d000-d0be : aic7xxx
fffe-10007 : lm78

MfG/Sincerely
		Joachim von Thadden

________________________________________________________________________
Berlin-Brandenburg Academy of Sciences		Joachim von Thadden
Jaegerstrasse 22-23				System Administration
10117 Berlin					thadden@bbaw.de
http://www.bbaw.de				phone +49 +30 203 70 375