Subject: Re: ahc bug in current? (was: ccd changed in current?)
To: None <>
From: Michael L. VanLoon -- <>
List: current-users
Date: 08/29/1997 12:09:16
>> [...] 
>> To give more info on the installed hardware, here's the dmesg output
>> from booting my 1.2+ kernel:
>> NetBSD 1.2 (MINDBENDER) #417: Tue Mar 11 21:47:49 PST 1997
>> [...]
>> ppb0 at pci0 dev 11 function 0: Digital Equipment DECchip 21050 PCI-PCI Bridge (rev. 0x02)
>                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>> pci1 at ppb0 bus 1
>> ahc1 at pci1 dev 4 function 0
>> [...]

>While this may or may not be the problem, you should know that the DECchip
>21050 is a first-generation PCI-to-PCI bridge and contains a serious design
>flaw.  It is susceptible to deadlock under certain conditions.  Under certain

OK, any idea where I can find a PCI bus analyzer?

BTW, you should break up your paragraphs more often. :-)

Maybe I'll give Adaptec a call and see if this is something they'll
replace for free.

  Michael L. VanLoon                 
      Contract software development for Windows NT, Windows 95 and Unix.
             Windows NT and Unix server development in C++ and C.

        --<  Free your mind and your machine -- NetBSD free un*x  >--
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