How to downgrade libc and kernel on Jaunty?

Daniel.Li daniel_li at usish.com
Tue Jun 23 11:44:20 UTC 2009


The performance is improved from 4.7 to 6.9 MB/s. But I found it's NOT
related with kernel, cause I have tested previous kernels from grub
menu?

On Tue, 2009-06-23 at 10:38 +0000, christopher.lemire at gmail.com wrote:
> Did you mean to say improved or worsened?
> ------Original Message------
> From: Christopher Lemire
> To: daniel_li at usish.com
> To: Ubuntu user technical support,not for general discussions
> ReplyTo: Christopher Lemire
> Subject: Re: How to downgrade libc and kernel on Jaunty?
> Sent: Jun 22, 2009 3:21 AM
> 
> Yes by compiling it and either removing the other libc package or compile it and use LD_PRELOAD. That applies just to libc. I've got another solution, but I'm too sleepy and tired of typing long messages on my phone, so email me offlist if you want to know, and ill answer it sometime tomorrow. Do you not have two kernels in your grub menu? You should. 
> ------Original Message------
> From: Daniel.Li
> Sender: ubuntu-users-bounces at lists.ubuntu.com
> To: ubuntu
> ReplyTo: daniel_li at usish.com
> ReplyTo: Ubuntu user technical support,not for general discussions
> Subject: How to downgrade libc and kernel on Jaunty?
> Sent: Jun 22, 2009 3:04 AM
> 
> Hi List,
> 
> I have found that the performance of rsync has been improved a lot after
> recent kernel/libc upgrade. But I don't know the exactly root course. 
> 
> 
> How can I downgrade libc and kernel on Jaunty? Any Help is appreciated.
> 
> 
> Thanks in advance.
> 
> -- 
> Daniel Li
> 
> 
-- 
Daniel Li





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