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From: Jack Stapleton on 17 Jan 2008 12:24
Hi, for the first time since I installed Slackware 12 a few months
ago, I've found these lines in /var/log/messages.

I haven't noticed any weird behaviour, I'm just wondering what they
mean and wether there's anything wrong coming up.
Slack is running on this hardware:
http://www.soekris.com/net4501.htm

Thanks!

===================================================

....
Jan 16 22:40:16 soekris-net4501 kernel: x240
Jan 16 22:40:21 soekris-net4501 kernel: Mem-info:
Jan 16 22:40:21 soekris-net4501 kernel: Free swap: 63364kB
Jan 16 22:40:21 soekris-net4501 kernel: 16384 pages of RAM
Jan 16 22:40:21 soekris-net4501 kernel: 0 pages of HIGHMEM
Jan 16 22:40:21 soekris-net4501 kernel: 2394 reserved pages
Jan 16 22:40:21 soekris-net4501 kernel: 1364 pages shared
Jan 16 22:40:21 soekris-net4501 kernel: 9149 pages swap cached
Jan 16 22:40:21 soekris-net4501 kernel: 0 pages dirty
Jan 16 22:40:21 soekris-net4501 kernel: 155 pages writeback
Jan 16 22:40:21 soekris-net4501 kernel: 381 pages mapped
Jan 16 22:40:21 soekris-net4501 kernel: 2587 pages slab
Jan 16 22:40:21 soekris-net4501 kernel: 114 pages pagetables
Jan 16 22:40:21 soekris-net4501 kernel: Mem-info:
Jan 16 22:40:21 soekris-net4501 kernel: Free swap: 63364kB
Jan 16 22:40:21 soekris-net4501 kernel: 16384 pages of RAM
Jan 16 22:40:21 soekris-net4501 kernel: 0 pages of HIGHMEM
Jan 16 22:40:21 soekris-net4501 kernel: 2394 reserved pages
Jan 16 22:40:21 soekris-net4501 kernel: 1364 pages shared
Jan 16 22:40:21 soekris-net4501 kernel: 9149 pages swap cached
Jan 16 22:40:21 soekris-net4501 kernel: 0 pages dirty
Jan 16 22:40:21 soekris-net4501 kernel: 155 pages writeback
Jan 16 22:40:21 soekris-net4501 kernel: 381 pages mapped
Jan 16 22:40:21 soekris-net4501 kernel: 2587 pages slab
Jan 16 22:40:21 soekris-net4501 kernel: 114 pages pagetables
Jan 16 22:40:22 soekris-net4501 kernel: Mem-info:
Jan 16 22:40:22 soekris-net4501 kernel: Free swap: 63364kB
Jan 16 22:40:22 soekris-net4501 kernel: 16384 pages of RAM
Jan 16 22:40:22 soekris-net4501 kernel: 0 pages of HIGHMEM
Jan 16 22:40:22 soekris-net4501 kernel: 2394 reserved pages
Jan 16 22:40:22 soekris-net4501 kernel: 1364 pages shared
Jan 16 22:40:22 soekris-net4501 kernel: 9149 pages swap cached
Jan 16 22:40:22 soekris-net4501 kernel: 0 pages dirty
Jan 16 22:40:22 soekris-net4501 kernel: 154 pages writeback
Jan 16 22:40:22 soekris-net4501 kernel: 381 pages mapped
Jan 16 22:40:22 soekris-net4501 kernel: 2587 pages slab
Jan 16 22:40:22 soekris-net4501 kernel: 114 pages pagetables
Jan 16 22:40:22 soekris-net4501 kernel: Mem-info:
Jan 16 22:40:22 soekris-net4501 kernel: Free swap: 63364kB
Jan 16 22:40:22 soekris-net4501 kernel: 16384 pages of RAM
Jan 16 22:40:22 soekris-net4501 kernel: 0 pages of HIGHMEM
Jan 16 22:40:22 soekris-net4501 kernel: 2394 reserved pages
Jan 16 22:40:22 soekris-net4501 kernel: 1364 pages shared
Jan 16 22:40:22 soekris-net4501 kernel: 9149 pages swap cached
Jan 16 22:40:22 soekris-net4501 kernel: 0 pages dirty
Jan 16 22:40:22 soekris-net4501 kernel: 154 pages writeback
Jan 16 22:40:22 soekris-net4501 kernel: 381 pages mapped
Jan 16 22:40:22 soekris-net4501 kernel: 2587 pages slab
Jan 16 22:40:22 soekris-net4501 kernel: 114 pages pagetables
Jan 16 22:40:22 soekris-net4501 kernel: Mem-info:
Jan 16 22:40:22 soekris-net4501 kernel: Free swap: 63364kB
Jan 16 22:40:22 soekris-net4501 kernel: 16384 pages of RAM
Jan 16 22:40:22 soekris-net4501 kernel: 0 pages of HIGHMEM
Jan 16 22:40:22 soekris-net4501 kernel: 2394 reserved pages
Jan 16 22:40:22 soekris-net4501 kernel: 1364 pages shared
Jan 16 22:40:22 soekris-net4501 kernel: 9149 pages swap cached
Jan 16 22:40:22 soekris-net4501 kernel: 0 pages dirty
Jan 16 22:40:22 soekris-net4501 kernel: 154 pages writeback
Jan 16 22:40:22 soekris-net4501 kernel: 381 pages mapped
Jan 16 22:40:22 soekris-net4501 kernel: 2587 pages slab
Jan 16 22:40:22 soekris-net4501 kernel: 114 pages pagetables
Jan 16 22:40:22 soekris-net4501 kernel: Mem-info:
Jan 16 22:40:22 soekris-net4501 kernel: Free swap: 63364kB
Jan 16 22:40:22 soekris-net4501 kernel: 16384 pages of RAM
Jan 16 22:40:22 soekris-net4501 kernel: 0 pages of HIGHMEM
Jan 16 22:40:22 soekris-net4501 kernel: 2394 reserved pages
Jan 16 22:40:22 soekris-net4501 kernel: 1364 pages shared
Jan 16 22:40:22 soekris-net4501 kernel: 9149 pages swap cached
Jan 16 22:40:22 soekris-net4501 kernel: 0 pages dirty
Jan 16 22:40:22 soekris-net4501 kernel: 154 pages writeback
Jan 16 22:40:22 soekris-net4501 kernel: 381 pages mapped
Jan 16 22:40:22 soekris-net4501 kernel: 2587 pages slab
Jan 16 22:40:22 soekris-net4501 kernel: 114 pages pagetables
Jan 16 22:40:22 soekris-net4501 kernel: Mem-info:
Jan 16 22:40:22 soekris-net4501 kernel: Free swap: 63364kB
Jan 16 22:40:22 soekris-net4501 kernel: 16384 pages of RAM
Jan 16 22:40:22 soekris-net4501 kernel: 0 pages of HIGHMEM
Jan 16 22:40:22 soekris-net4501 kernel: 2394 reserved pages
Jan 16 22:40:22 soekris-net4501 kernel: 1364 pages shared
Jan 16 22:40:22 soekris-net4501 kernel: 9149 pages swap cached
Jan 16 22:40:22 soekris-net4501 kernel: 0 pages dirty
Jan 16 22:40:22 soekris-net4501 kernel: 153 pages writeback
Jan 16 22:40:22 soekris-net4501 kernel: 381 pages mapped
Jan 16 22:40:22 soekris-net4501 kernel: 2587 pages slab
Jan 16 22:40:22 soekris-net4501 kernel: 114 pages pagetables
....

From: Beej Jorgensen on 17 Jan 2008 15:12
Jack Stapleton <jack(a)staplet.on> wrote:
>Hi, for the first time since I installed Slackware 12 a few months
>ago, I've found these lines in /var/log/messages.
>
>Jan 16 22:40:21 soekris-net4501 kernel: Mem-info:
>Jan 16 22:40:21 soekris-net4501 kernel: Free swap: 63364kB
>Jan 16 22:40:21 soekris-net4501 kernel: 16384 pages of RAM
>Jan 16 22:40:21 soekris-net4501 kernel: 0 pages of HIGHMEM

Hmmm. This looks sorta like a call to show_mem() in
arch/i386/mm/pgtable.c... but it's not the OOM killer or some other
problem because there aren't any complaints to that effect in the log.

The only place I see show_mem() being called "normally" are in
drivers/char/keyboard.c and drivers/char/sysrq.c.

There's nothing resting on the SysRq key, is there? :)

What kernel are you running?

-Beej

From: Jack Stapleton on 18 Jan 2008 03:49
Beej Jorgensen wrote:

> Hmmm. This looks sorta like a call to show_mem() in
> arch/i386/mm/pgtable.c... but it's not the OOM killer or some
> other problem because there aren't any complaints to that effect
> in the log.
>
> The only place I see show_mem() being called "normally" are in
> drivers/char/keyboard.c and drivers/char/sysrq.c.
>
> There's nothing resting on the SysRq key, is there? :)

I'm afraid i don't know what you are talking about! :-(

> What kernel are you running?

2.6.21.5

Thanks
From: Beej Jorgensen on 18 Jan 2008 04:07
Jack Stapleton <jack(a)staplet.on> wrote:
>Beej Jorgensen wrote:
>> There's nothing resting on the SysRq key, is there? :)
>I'm afraid i don't know what you are talking about! :-(

http://en.wikipedia.org/wiki/Magic_SysRq_key

This seems unlikely, now that I look it up, since the magic key combo is
Alt-SysRq-m to get that output in the log.

I don't know the answer to your question--I'm just looking for more info
and sharing what I've found. :-/

-Beej

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