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Date:      Sun, 17 Nov 2002 19:54:48 -0500
From:      Craig Rodrigues <rodrigc@attbi.com>
To:        Maxim Sobolev <sobomax@FreeBSD.org>
Cc:        stable@FreeBSD.org, marks@ripe.net, tlambert2@mindspring.com, bmilekic@unixdaemons.com, dl-freebsd@catspoiler.org, stranger@sberbank.sibnet.ru, vova@sw.ru, sos@freebsd.dk, udo.schweigert@siemens.com, ktsin@acm.org, hackers@FreeBSD.org
Subject:   Re: Memory corruption in -STABLE on P4/2GHz
Message-ID:  <20021117195448.A54706@attbi.com>
In-Reply-To: <20021117211654.GE6115@vega.vega.com>; from sobomax@FreeBSD.org on Sun, Nov 17, 2002 at 11:16:54PM %2B0200
References:  <20021117211654.GE6115@vega.vega.com>

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On Sun, Nov 17, 2002 at 11:16:54PM +0200, Maxim Sobolev wrote:
> Hi there,
> 
> I'm observing very strange memory corruption problems with 2GHz P4
> system running 4.7 (security branch as of today). Under the load
> (make -j20 buildworld) the compiler or make(1) often die with signal
> 11. I found in mailing lists that there is similarly looking problem
> with -current, any chances that -stable is affected as well?

I'm seeing similar errors on -current on my AMD K6-2 machine:

CPU: AMD-K6(tm) 3D processor (400.91-MHz 586-class CPU)
  Origin = "AuthenticAMD"  Id = 0x58c  Stepping = 12
  Features=0x8021bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8,PGE,MMX>
  AMD Features=0xffffffff80000800<SYSCALL,3DNow!>
Data TLB: 128 entries, 2-way associative
Instruction TLB: 64 entries, 1-way associative
L1 data cache: 32 kbytes, 32 bytes/line, 2 lines/tag, 2-way associative
L1 instruction cache: 32 kbytes, 32 bytes/line, 2 lines/tag, 2-way associative
Write Allocate Enable Limit: 384M bytes
Write Allocate 15-16M bytes: Enable

I am seeing make or /usr/libexec/cc1 intermittently coredump with SIG 11 or 
SIG 10 errors when trying to do a buildworld.
I wasn't sure if it was because I had flaky hardware or not.
 
-- 
Craig Rodrigues        
http://www.gis.net/~craigr    
rodrigc@attbi.com

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