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Date: Mon, 17 Oct 2005 22:11:07 +0300
From: Toomas Aas <toomas.aas@raad.tartu.ee>
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To: Kris Kennaway <kris@obsecurity.org>
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Cc: questions@freebsd.org
Subject: Re: GIANT lock in 5.4
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Kris Kennaway wrote:

> On Mon, Oct 17, 2005 at 09:28:56PM +0300, Toomas Aas wrote:
> 
>>Hello!

...

>> With FreeBSD 5.3, several devices (for example: ips, ahc, 
>>atkbd) had a note similar to this in dmesg:
>>
>>ips0: <IBM ServeRAID Adapter> port 0x2000-0x20ff mem 		
>>	0xfeb00000-0xfebfffff irq 9 at device 1.0 on pci0
>>ips0: [GIANT-LOCKED]
>>
>>With FreeBSD 5.4, the [GIANT-LOCKED] message no longer appears.
>>
>>Does that mean that Giant lock has been removed from all those drivers, 
>>or is the message simply not printed?
> 
> Do you still see it on some other drivers?  If so, the former.

grep -i giant /var/run/dmesg.boot comes up blank on all my FreeBSD 5.4 
machines: the two RELENG_5_4 servers I've just upgraded and my home 
RELENG_5 box.



---
... I spilled spot remover on my dog. Now he's gone.