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SubjectNetperf causes lockup in 2.2.15 SMP

System: 2xPPRO/200 256Ram/ECC
Linux home 2.2.15 #4 SMP Fri Jun 16 20:53:59 EDT 2000 i686 unknown
eth0: 3Com 3c905 Boomerang 100baseTx at 0xfe80, 00:60:08:3d:5f:e4, IRQ 18
8K word-wide RAM 3:5 Rx:Tx split, autoselect/MII interface.
MII transceiver found at address 24, status 786f.
Enabling bus-master transmits and whole-frame receives.
(isn't sharing interupts with any other devices)

as a netperf sink from a 2.2.17pre10 (PII400/512m) running UDP_RR 100,200
across FDX switch 100bt link.

Hard locked 2.2.15 box (no numlock toggle) with only about a second of
netperf load.

Only one log entry:

Jul 9 01:15:14 home kernel: eth0: Too much work in interrupt, status e881. Temporarily disabling functions (7f7e).



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