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Re: Different sized SODIMM causes kernel panic in laptop?
- To: misc_(_at_)_openbsd_(_dot_)_org
- Subject: Re: Different sized SODIMM causes kernel panic in laptop?
- From: "Scott C. Kennedy" <sck_(_at_)_nogas_(_dot_)_org>
- Date: Fri, 16 Apr 2004 04:38:26 -0000
Just complete a fell Dell Diagnostics run, no errors detected. Ran Memory test 5 times, no issues. Thus, I'm pretty confident that it's not a Hardware issue.
So, does anyone else have any ideas why my laptop can't boot an OpenBSD 3.4 kernel (except the bsd.rd kernel) when it has both the 1GB SODIMM and the 512 MB SODIMM installed, yet it runs fine with either of them installed by themselves? Remember, Windows XP, Fedora Linux both boot fine with 1.5 GB of RAM, so we can pretty much rule out hardware. Thus does anyone else have a Dell Latitude D600 laptop with two different sized SODIMMs in it running OpenBSD 3.4?
---------- Original Message -------------
Subject: Re: Different sized SODIMM causes kernel panic in laptop?
Date: Thu, 15 Apr 2004 21:13:38 -0700
From: "Scott C. Kennedy" <sck_(_at_)_nogas_(_dot_)_org>
To: "Marcus Andree S. Magalhaes" <marcus_(_dot_)_magalhaes_(_at_)_vlinfo_(_dot_)_com_(_dot_)_br>
Under Windows XP, I fired up 5 VMWare images, had GIMP, Outlook, IE,
Word, and Acrobat running, total available free RAM was about 105 MB.
But, I'll go run a full memory test to rule that out. Plus, would the
"bad" RAM not work when the other "good" RAM was removed? Since I used
OpenBSD fine with only the 1GB SODIMM and only the 612 MB SODIMM, but
not with both.
Marcus Andree S. Magalhaes wrote:
>Use a memory testing tool or even try to allocate and access
>a lot of memory to test it.
>I had similar problems with my notebook. It would operate normally
>until the defective chips had to store and retrieve information.
>It's possible that, for some reason, Windows and Linux aren't
>accessing _all_ your memory, but OpenBSD is. So it appears to
>be a software fault when the problem lies on hardware.
>>I'd understand it if Windows, OpenBSD Ram Disk, and Fedora did not work
>>perfectly. But since OpenBSD is the only OS that isn't working, I doubt
>>it's the RAM.
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