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Date: Mon, 15 Dec 1997 12:21:18 -0800 (PST)
From: Tom <tom@uniserve.com>
To: Greg Lehey <grog@lemis.com>
cc: FreeBSD current users <FreeBSD-current@freebsd.org>
Subject: Re: UFS problems on -current (panic: ffs_alloccg: map corrupted)
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On Mon, 15 Dec 1997, Greg Lehey wrote:

> I've been having a large number of these panics in the last few days
> after replacing significant parts of my system.  In each case, the
...
> First, the changes:
> 
> Old				New
> 
> P54C, 133 MHz			K6/233
> Old motherboard,		IWill P55XB2, Intel TX chipset
>   forgot the name
> 96 MB SIMM memory		128 MB mixed EDO SIMM and SDRAM
> Adaptec 1542A and		Adaptec 2940UW and 2940 host adapters
>   2940 host adapters
> IDE system disk			IDE system disk
> 
> I've checked all sorts of things, including:

  Except the RAM.  Mixed SIMMs and SDRAM can be hairy.

Tom