Axp-List Archive
Re: > 2GB of RAM

Subject: Re: > 2GB of RAM
From: Peter Rival (frival@zk3.dec.com)
Date: Mon Jun 19 08:31:20 2000


Matt Spong wrote:
<snip>

> Also, I'm getting occasional error messages that look like this:
>
> buffer.c:43 spinlock grabbed in kflushd at fffffc0000354a04(1) 3461 ticks
>
> What does that mean?

We've just had a fairly long discussion about these messages - you should
probably check the archives to catch up on all of that (started with a message
from Greg Lindahl with a subject of '2.2.16 Alpha: "Fix SMP rescheduling with
lock held"'). Basically, don't worry too much about it. But if you're really
curious: 1) look the address up in your System.map and/or gdb and see what's
happening in the source 2) try the 2.3/2.4 series and see if it goes away -
much of the locking has been cleaned up there. Chances are that it's "normal"
and probably won't get "fixed" in the 2.2 series.

 - Pete

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