Messages in this thread |  | | Date | Tue, 25 Sep 2001 20:04:54 -0300 | From | Chris Newton <> | Subject | FWD: RE: excessive interrupts on network cards |
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Francois Romieu got me to run 'lspci -x', and came to the conclusion that the net card and scsi card are sharing IRQs...
Someone just told me tha the had had a sound card and a network card sharing IRQs, and that caused the network card to generate 'oodles of interrupts for no apparent reason'.
This on the right track?
Thanks
Chris
>===== Original Message From Francois Romieu <romieu@cogenit.fr> ===== Chris Newton <newton@unb.ca> : [...] > 00:02.0 Ethernet controller: Intel Corporation 82557 [Ethernet Pro 100] (rev > 08) > 00: 86 80 29 12 17 01 90 02 08 00 00 02 08 20 00 00 > 10: 00 20 10 fe c1 ec 00 00 00 00 00 fe 00 00 00 00 > 20: 00 00 00 00 00 00 00 00 00 00 00 00 28 10 9b 00 > 30: 00 00 00 fd dc 00 00 00 00 00 00 00 0b 01 08 38 ^ [...] > 01:02.0 SCSI storage controller: Adaptec 7899P (rev 01) > 00: 05 90 cf 00 16 01 b0 02 01 00 00 01 08 20 80 80 > 10: 01 dc 00 00 04 10 00 f9 00 00 00 00 00 00 00 00 > 20: 00 00 00 00 00 00 00 00 00 00 00 00 28 10 ce 00 > 30: 00 00 00 f8 dc 00 00 00 00 00 00 00 05 01 28 19 ^ [...] > 01:02.1 SCSI storage controller: Adaptec 7899P (rev 01) > 00: 05 90 cf 00 16 01 b0 02 01 00 00 01 08 20 80 80 > 10: 01 d8 00 00 04 00 00 f9 00 00 00 00 00 00 00 00 > 20: 00 00 00 00 00 00 00 00 00 00 00 00 28 10 ce 00 > 30: 00 00 00 f8 dc 00 00 00 00 00 00 00 0b 02 28 19 ^ [...] > 01:06.0 Ethernet controller: 3Com Corporation 3c980-TX 10/100baseTX NIC > [Python-T] (rev 78) > 00: b7 10 05 98 17 01 10 02 78 00 00 02 08 20 00 00 > 10: 81 d4 00 00 00 24 00 f9 00 00 00 00 00 00 00 00 > 20: 00 00 00 00 00 00 00 00 00 00 00 00 b7 10 00 10 > 30: 00 00 00 f8 dc 00 00 00 00 00 00 00 05 01 0a 0a ^ [...] > 01:08.0 Ethernet controller: 3Com Corporation 3c980-TX 10/100baseTX NIC > [Python-T] (rev 78) > 00: b7 10 05 98 17 01 10 02 78 00 00 02 08 20 00 00 > 10: 01 d4 00 00 00 20 00 f9 00 00 00 00 00 00 00 00 > 20: 00 00 00 00 00 00 00 00 00 00 00 00 b7 10 00 10 > 30: 00 00 00 f8 dc 00 00 00 00 00 00 00 0b 01 0a 0a ^ Each of your ethernet adapter shares an irq with a scsi controller. I had some results pulling some cards from the PCI slots and moving the network adapter around until its irq differs but I won't claim it's the cure for your problem (it was on HP Netserver motherboards).
-- Ueimor
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