Message-ID: <40475B4E.1040902@blue-labs.org>
Date: Thu, 04 Mar 2004 11:37:34 -0500
From: David Ford <david+challenge-response@blue-labs.org>
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To: "Joshua M. Schmidlkofer" <menion@asylumwear.com>
CC: linux-kernel@vger.kernel.org
Subject: Re: devfs b0rks in 2.6.2, 2.6.3
References: <1078379594.10353.20.camel@menion.home>
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Can you provide any more details?  I have been using hotplug with USB 
devices daily on each of 2.6.2 through 2.6.4-rc1 without any freezes.  
The only problem I've noticed is my non-hotplug issue with USB on my 
notebook, using my wireless mouse.  After a cycle of plug/unplug/plug 
etc, the kernel starts spewing hundreds of messages a second about uhci 
issues and makes the machine very slow.  Doesn't fix until I remove the 
uhci module.  Has nothing to do with devfs or hotplug however.  Both of 
those work perfectly [for me] on four different machines.

Joshua M. Schmidlkofer wrote:

>This report is in the interest of posterity, and giving people with
>similar bugs a search result.  I don't need a fix because udev works
>100%.  However, I was unable to make devfs work at all in 2.6.2, and
>2.6.3.  I tried a lot of things, and it seemed to be locking when
>creating tty's after hotplug events.  In any case, especially usb the
>hotplug stuff seemed to trigger process freezes.  The init process would
>suddenly stop.  I SysRq worked fine, but as I was in a hurry, I did not
>try to do more troubleshooting.  I was never able to fully boot into a
>2.6.2 or 2.6.3 kernel on my box with devfs enabled.
>
>I recovered, and removed devfs, converted my gentoo install to udev, and
>have had no trouble since.
>
>thanks,
>  joshua
>
>[and thanks greg k-h et al. for making udev!!]
>
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