Linux-kernel mailing list archive 1999-37,: HPT366 and SMP

# HPT366 and SMP

Rafael D'Halleweyn (rafael@village.uunet.be)
Sun, 12 Sep 1999 21:56:31 +0200 (MET DST)

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Hi,

I seem to have a problem with the HPT366 IDE controller on my Abit BP6
dual Celeron board.

I compiled a 2.2.12 kernel with the uniform IDE patch
(http://opensource.captech.com/LinuxIDE/:
2.2.10.uniform-ide-6.20.draco.patch). When both CPUs are on the board and
I stress test a drive on the controller (dd if=/dev/hde of=/dev/null
bs=204800 count=2000), this will hang the machine after a while. The
machine hangs more quickly if I do some network stuff as well (tcpblast).

If I use the same kernel, but with only CPU, the test keeps on running for
ever.

If I use two CPUs but with the HPT driver disabled in the kernel, I do not
see any problems either (but the drive is really slow, no DMA).

I also tried 2.3.18, but there I have the same problems. Also note that
the drive seems much slower then with 2.2.

I can repeat the problem when I insert a HPT366 card on the same
motherboard and attach the drive to that controller.

Greetings,

Rafael D'Halleweyn
rdhall@mail.dma.be

Mirrors should reflect a little before throwing back images.
-- Jean Cocteau

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