linux-kernel - Re: 2.6.18-rc strange hotplug/udev/uevent problem

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Date:	Mon, 7 Aug 2006 23:02:11 -0700
From:	Greg KH <greg@...ah.com>
To:	Andrew Clayton <andrew@...ital-domain.net>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: 2.6.18-rc strange hotplug/udev/uevent problem

On Mon, Aug 07, 2006 at 08:33:08PM +0100, Andrew Clayton wrote:
> Hi,
> 
> Got a weird problem here.
> 
> On x86 Fedora Core 5 with 2.6.17 with GNOME, plugging in a usb stick 
> would result in it being mounted. With 2.6.18-rc this no longer occurs. 
> FC5 got an update to hal to work with 2.6.18 kernels, but it don't work 
> for me. I'm having the same problem on 3 x86 FC5 machines.
> 
> The weird thing is, this all works on my x86-64 FC5 workstation with 
> 2.6.18-rc both before and after the hal update.
> 
> Anyway I submitted a bug report against HAL suspecting it broken
> 
> https://bugs.freedesktop.org/show_bug.cgi?id=7756
> 
> Perhaps not. So I turn my attention more to the kernel.
> 
> 
> 2.6.17 was working fine. You could plug/unplug/plug a USB memory stick 
> and it would get mounted each time.
> 
> 2.6.18-rc[23] works the same as above on my x86-64 FC5 box.
> 
> 2.6.18-rc[23] and 2.6.18-rc3-git7 on x86 built with 
> usb/scsi/sd/vfat/nls_* built as modules will mount on the first plug but 
> not subsequent plugs.
> 
> If you rmmod the sd_mod module and plug in, then it will get mounted.

That's just wierd.  I can't think of anything that has changed recently
to cause this.

Can you use 'git bisect' to try to narrow it down which change caused
the problem?

thansk,

greg k-h
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