From owner-freebsd-bugs  Wed Mar  7 15:47:28 2001
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Subject: Re: NMI blowout during make buildworld.
In-Reply-To: <5.1.0.10.0.20010307144750.02119938@imap2.ghostwheel.com> from "Christopher Knight" at "Mar 7, 1 02:47:56 pm"
To: merlin@ghostwheel.com (Christopher Knight)
Date: Thu, 8 Mar 2001 02:47:19 +0300 (MSK)
Cc: freebsd-bugs@FreeBSD.ORG
From: "Aleksandr A. Babaylov" <babolo@zx.ru>
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If ECC enabled in BIOS
then most likely SDRAM fault

Christopher Knight writes:
> My system:
> 
>    P3-550/256M SDRAM (possibly ECC)
>    Intel SE44BX-2 motherboard with p17 BIOS
>    IDE boot disk with a vinum mirror for my webspace
>    Adaptec 2940 Ultra SCSI adapter
>    3Com 3c905B-TX Fast Etherlink XL
> 
> The OS is FreeBSD 4.3-BETA.  I have been having crashes during make 
> buildworld lately, so I wound up building a new kernel today.  The kernel 
> is up-to-date while the rest of the system is out of sync by a few weeks.
> 
> Here is what I got on the serial console today while running a buildworld:
> 
> Fatal trap 19: non-maskable interrupt trap while in kernel mode
> instruction pointer     = 0x8:0xc025ffdc
> stack pointer           = 0x10:0xd2c4edb4
> frame pointer           = 0x10:0xd2c4ede4
> code segment            = base 0x0, limit 0xfffff, type 0x1b
>                          = DPL 0, pres 1, def32 1, gran 1
> processor eflags        = interrupt enabled, resume, IOPL = 0
> current process         = 57014 (cpp)
> interrupt mask          = none
> trap number             = 19
> panic: non-maskable interrupt trap
> 
> syncing disks... 133 132 119 103 79 50 21 1 1 1 1 1 1 1 1 1 1 1 1 1
> done
> Uptime: 1h0m22s
> Automatic reboot in 15 seconds - press a key on the console to abort
> Rebooting...
> 
> 
> Any and all assistance appreciated!  The machine is in a co-lo facility 
> 3000 miles away...  If I can fix this from remote, great.  If it looks like 
> a hardware problem I want to be able to get it fixed on the first pass.  :)
> 
> If there is any other information I can provide, just let me know.
> 
> Thanks!
> 
> -ck
> 
> 
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Z     X X        babolo@zx.ru  Alexandr Babaylov
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