linux-kernel - 2.6.17.13 Uninitialized variable / printf timing

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Message-ID: <20060910170837.GA18697@schottelius.org>
Date:	Sun, 10 Sep 2006 19:08:37 +0200
From:	Nico Schottelius <nico-kernel20060910@...ottelius.org>
To:	LKML <linux-kernel@...r.kernel.org>
Subject: 2.6.17.13 Uninitialized variable / printf timing

Hello!

When booting 2.6.17.13 on my Geode, kprintf enabled with timing output,
it looks a bit strange (the first 24 lines):

--------------------------------------------------------------------------------

  Booting 'Zwerg - 2.6.17.13'
                
root (hd0,1)    
 Filesystem type is jfs, partition type 0x83
kernel /usr/src/linux-2.6.17.13/arch/i386/boot/bzImage root=/dev/hda2
console=t
tyS0,38400      
   [Linux-bzImage, setup=0x1400, size=0x10afff]
                
[42949372.960000] Linux version 2.6.17.13-zwerg (root@...he) (gcc
version 4.1.2 20060613 (prerelease) (Debian 4.1.1-5)) #1 Sun Sep 10
16:15:23 UTC 2006
[42949372.960000] BIOS-provided physical RAM map:
[42949372.960000]  BIOS-e820: 0000000000000000 - 000000000009fc00
(usable)
[42949372.960000]  BIOS-e820: 000000000009fc00 - 00000000000a0000
(reserved)
[42949372.960000]  BIOS-e820: 00000000000f0000 - 0000000000100000
(reserved)
[42949372.960000]  BIOS-e820: 0000000000100000 - 0000000008000000
(usable)
[42949372.960000]  BIOS-e820: 00000000fff0000 - 0000000100000000
(reserved)
[42949372.960000] 128MB LOWMEM available.
[42949372.960000] DMI not present or invalid.
[42949372.960000] ACPI: Unable to locate RSDP
[42949372.960000] Allocating PCI resources starting at 10000000 (gap:
08000000:f7f00000)
[42949372.960000] Built 1 zonelists
[42949372.960000] Kernel command line: root=/dev/hda2
console=ttyS0,38400
[42949372.960000] No local APIC present or hardware disabled
[42949372.960000] Initializing CPU#0
[42949372.960000] PID hash table entries: 1024 (order: 10, 4096 bytes)
[    0.000000] Detected 266.663 MHz processor.
[   20.718339] Using tsc for high-res timesource
[   20.718638] Console: colour dummy device 80x25
[   21.045363] Dentry cache hash table entries: 16384 (order: 4, 65536
bytes)
[   21.067257] Inode-cache hash table entries: 8192 (order: 3, 32768
bytes)
[   21.129713] Memory: 127256k/131072k available 333k kernel code, 3420k
reserved, 498k data, 124k init, 0k highmem)
[   21.161087] Checking if this processor honours the WP bit even in
supervisor mode... Ok.
[   21.328007] Calibrating delay using timer specific routine.. 534.16
BogoMIPS (lpj=2670830)
[   21.353474] Mount-cache hash table entries: 512
[   21.368758] CPU: NSC Unknown stepping 01
[   21.380743] Checking 'hlt' instruction... OK.
[   21.394059] SMP alternatives: switching to UP code
[   21.408503] Freeing SMP alternatives: 0k freed
[...]
--------------------------------------------------------------------------------

Just wanted to ask whether this is ...
   a) wanted
   b) not yet seen
   c) nothing one should care about

Nico

-- 
``...if there's one thing about Linux users, they're do-ers, not whiners.''
(A quotation of Andy Patrizio I completely agree with)

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