Date: 13 Oct 2002 01:36:38 +0200 From: Frode Nordahl <frode@nordahl.net> To: Juli Mallett <jmallett@FreeBSD.ORG> Cc: current@FreeBSD.ORG Subject: Re: dmesg showing garbage Message-ID: <1034465799.627.7.camel@samwise.xu.nordahl.net> In-Reply-To: <20021012161159.A30348@FreeBSD.org> References: <1034464124.624.2.camel@samwise.xu.nordahl.net> <20021012161159.A30348@FreeBSD.org>
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On Sun, 2002-10-13 at 01:11, Juli Mallett wrote: > If you reboot and the memory is not cleared, the buffer (stored at a > fixed address) may still be intact, and the kernel buffering code will > be smart enough to span to the end of the buffer, and append (circularly) > there. This does not explain the garbled data in the "normal" dmesg output though. And it also happens after a power-down (shutdown -p). But, this is a laptop, with battery (and power cord plugged in). And it may keep memory alive for some obscure reason. Anyway, it could show that FreeBSD could do a better job initializing memory on bootup? > -- > Juli Mallett <jmallett@FreeBSD.org> | FreeBSD: The Power To Serve > Will break world for fulltime employment. | finger jmallett@FreeBSD.org > http://people.FreeBSD.org/~jmallett/ | Support my FreeBSD hacking! To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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