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SubjectRe: To Bogomips or not to Bogomips?
On Sun, 24 May 1998, Jon Lewis wrote:

> > Is anybody planning on fixing the bug in dmesg so it reads the FULL
> > message buffer rather than just the first 4k of it?
>
> It's not a bug...it's life. The message buffer has to be limited, or it
> opens the kernel up to DoS attacks if the buffer can grow without limit
> and consume all memory. It might be nice if the buffer size were made
> tunable so that on big systems, you can see all the bootup messages before
> the buffer fills.

Sure it is a bug. We are talking about the fact that current dmesg(8)
implementations only copy 4k of the kernel ring buffer, even though it can
be (and usually is?) larger.

Peter
--
Peter Svensson ! Pgp key available by finger, fingerprint:
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