linux-kernel - Re: USB: on suspend to ram/disk all usb devices are replugged

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Message-ID: <460BBCD8.1020802@rtr.ca>
Date:	Thu, 29 Mar 2007 09:19:20 -0400
From:	Mark Lord <lkml@....ca>
To:	Maxim Levitsky <maximlevitsky@...il.com>
Cc:	linux-kernel@...r.kernel.org, stern@...land.harvard.edu,
	gregkh@...e.de, Andrew Morton <akpm@...l.org>
Subject: Re: USB: on suspend to ram/disk all usb devices are replugged

Maxim Levitsky wrote:
> Hi,
> 	I noticed that after suspend/resume cycle all my usb devices are unplugged/replugged by uhci driver.
> While it is not that big problem to me, that can be a real problem if a device is a flash card with mounted 
> file-system, because disappeared device will cause file-system corruption.

Mmm.. this sounds really bad -- I wonder what happens if the rootfs is on USB ?
With older kernels, things just "worked" this way.  Has it now been broken ??

-ml
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