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Date:      Fri, 25 Oct 1996 14:10:45 -0700
From:      David Greenman <dg@root.com>
To:        Steve Passe <smp@csn.net>
Cc:        hackers@freefall.freebsd.org
Subject:   Re: ed0 timeouts 
Message-ID:  <199610252110.OAA08906@root.com>
In-Reply-To: Your message of "Fri, 25 Oct 1996 14:47:45 MDT." <199610252047.OAA17045@clem.systemsix.com> 

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>I currently am using:
>
>ed0 at 0x300-0x31f irq 10 maddr 0xcc000 msize 16384 on isa
>ed0: address 00:00:c0:e6:59:48, type WD8013EPC (16 bit) 
>
>I also tried an 8216C Ultra with the same results.
>I am using the "hard config" jumper, I also tried a soft config @ IRQ5, 0xD8000
>
>my current debug counters show:
>
> 0x2cbe calls to ed_xmit()
> 0x2xb7 tx INTs received
>      7 watchdog timeouts
>
>in an uptime of 1 hour, 37 minutes
>
>There is still some possibility that the 8254 clock is being mishandled.
>The APIC straps it to IRQ2 and ALOT of the kernel code believes it
>is at IRQ0, I could have missed one of these points.  Is there anything
>possible as reguards 8254 problems???

   I'd be VERY surprised if the problem was 8254 related. It sounds much more
like a problem acking ISA interrupts, or perhaps a bug in the handling of
the interrupt masks. Are you only having this problem when running two
processors, or does this also occur with just one?

-DG

David Greenman
Core-team/Principal Architect, The FreeBSD Project



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