Re: "disable ata" in kernel configuration not working?

From: Andy Farkas (andyf_at_speednet.com.au)
Date: 06/02/03

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    Date: Tue, 3 Jun 2003 07:45:03 +1000 (EST)
To: "Vladislav V. Zhuk" <admin@dru.dn.ua>

    On Mon, 2 Jun 2003, Vladislav V. Zhuk wrote:

    > It's one of well known demonstration of bugs new ATA driver.
    > This BUG is very strong and don't resolve in kernel.conf.
    > I wrote about this 3 times, but Soren Schmidt <sos@FreeBSD.org>
    > is very busy for resolving this problem more than 1 year
    > or don't read stable@ and e-mail.

    Yes, the new ata driver now "owns" irq 14 & 15, although other devices
    seem to work ok if set to those irqs. On one of my boxes, I don't even
    have an ata0 or ata1 yet dmesg says:

    ...
    FreeBSD 5.1-BETA #0: Mon May 26 01:54:37 EST 2003
    ...
    ahc0: <Adaptec 274X SCSI adapter> at 0x4c00-0x4cff, irq 11 (level)
    ...
    atapci0: <Promise PDC20246 UDMA33 controller>
    port 0xd400-0xd41f,[...] irq 14 at device 5.0 on pci0
                             ^^^^^^
    ata2: at 0xe800 on atapci0
    ata3: at 0xe000 on atapci0
    ahc1: <Adaptec 2940 Ultra SCSI adapter> port 0xd000-0xd0ff mem
    0xfbfcf000-0xfbfcffff irq 15 at device 6.0 on pci0
    ... ^^^^^^
    ata0 at port 0x3f6,0x1f0-0x1f7 irq 14 on isa0
    ata1 at port 0x376,0x170-0x177 irq 15 on isa0
    ...

    Those last 2 lines are completely bogus! There is no on-board ata
    controller, and nothing should respond at those io ports!

    Q for all: is systat(1) the only way to see interrupt activity? 

    --
 :{ andyf@speednet.com.au
        Andy Farkas
    System Administrator
   Speednet Communications
 http://www.speednet.com.au/
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