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Message-ID: <44215B8F.6060400@gmail.com>
Date: Wed, 22 Mar 2006 21:13:35 +0700
From: Mikado <mikado4vn@gmail.com>
Reply-To: mikado4vn@gmail.com
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To: stefano.melchior@openlabs.it
CC: user-mode-linux-user@lists.sourceforge.net,
       user-mode-linux-devel@lists.sourceforge.net,
       linux-kernel@vger.kernel.org
Subject: Re: [uml-devel] Cannot debug UML
References: <44215200.8020708@gmail.com> <20060322135015.GC8115@SteX>
In-Reply-To: <20060322135015.GC8115@SteX>
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Stefano Melchior wrote:
> On Wed, Mar 22, 2006 at 08:32:48PM +0700, Mikado wrote:
> Hi Mikado,

Hi Stex

> same problem as mine:
> ./linux mode=tt debug ubd0=root_fs ubd1=swap mem=128MB eth0=tuntap,,,192.168.0.254
> 
> You wrongly used "mem" option!

I've checked my UML's memory, it's exactly 128MB. But thank you, I will
follow UML rules.

> First, see man user-mode-linux, you can not specify "mem=128MB", at least
> "mem=128M". But for issue tied to TT option sometimes you need to use
> "mem=xxxm" and sometimes "mem=xxxM".
> Please de-select TT in the uml kernel, then try again

Debugging UML requires running it under TT mode. Normally I run UML
under SKAS mode, everything is OK. I cannot get into GDB under SKAS mode
whenever I use 'debug' option.
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