Re: 2.5.64-mm6

["Felipe Alfaro Solana" <felipe_alfaro@linuxmail.org>]

----- Original Message ----- 
From: Thomas Molina <tmolina@cox.net> 
Date: 	Thu, 13 Mar 2003 14:35:18 -0600 (CST) 
To: Andrew Morton <akpm@digeo.com> 
Subject: Re: 2.5.64-mm6 
 
> I downloaded the mm-6 patch and a pristine 2.5.64 tarball.  After applying  
> the patch I compiled with the standard configuration I've been using all  
> along.  No problems were noted during the compile cycle.  During bootup  
> the system locked up at the point where it did a modprobe uhci-hcd for the  
> USB controller.  Nothing of interest was noted in the log.  I rebooted  
> with nousb in the command line and got a good boot.  After working with  
> this kernel for awhile I don't see anything out of the ordainary except  
> that on a 2.5.64-bk kernel I get 330 Kbytes per second download speed  
> whereas with mm6 I get 280 Kbytes per second.  Several runs show this is  
> fairly consistent, with results within one or two percent. 
 
Hmmm... I have experienced some hard locks similar to what 
you describe: if I compile usb-uhci as a module, Phoebe3 
(8.0.94) locks hard at the time of doing a "modprobe 
usb-controller" (being usb-controller an alias for uhci-hcd) 
during boot (rc.sysinit script). To fix this, I have had  to compile 
usb-uhci in to the kernel and then fix rc.sysinit. I haven't tried 
using usb-uhci as a module since then. 
 
What's curious is that doing a "modprobe usb-controller" by 
hand doesn't cause hard locks. So, there must be some kind 
of timing or interaction that's causing rc.sysinit to invoke 
"modprobe uchi-hcd" and freeze the machine. Any ideas? 
 
   Felipe 
 
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