Date: Sun, 19 Apr 1998 21:33:09 -0500 From: David Kelly <dkelly@hiwaay.net> To: Antti-Pekka Liedes <apl@mail.cs.hut.fi> Cc: questions@FreeBSD.ORG Subject: Re: two AHA-2940 controllers: horrible performance Message-ID: <199804200233.VAA08174@nospam.hiwaay.net> In-Reply-To: Message from Antti-Pekka Liedes <apl@mail.cs.hut.fi> of "Sun, 19 Apr 1998 20:17:04 %2B0300." <19980419201704.55876@hutcs.cs.hut.fi>
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Antti-Pekka Liedes writes: > > I just tried two Adaptec AHA-2940 SCSI controllers on a ppro 180 box running > 2.2.6-stable from today. The first controller that has always been used in > the machine worked as before, no problems, but the second controller had > huge performance problems. [...] > ahc0 <Adaptec 2940 Ultra SCSI host adapter> rev 0 int a irq 15 on pci0:17:0 > ... > ahc1 <Adaptec 2940 SCSI host adapter> rev 0 int a irq 15 on pci0:20:0 [...] > any ideas? You noticed your MB has both on the same IRQ? Thats legal with PCI, but who knows with PC hardware? See what happens if you move one (with the MB BIOS) down to the 9, 10, or 11 range. -- David Kelly N4HHE, dkelly@nospam.hiwaay.net ===================================================================== The human mind ordinarily operates at only ten percent of its capacity -- the rest is overhead for the operating system. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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