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From: Greg KH <gregkh@suse.de>
To: Knut Petersen <Knut_Petersen@t-online.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [BUG: kernel 3.0.4] Hard lockup / NULL pointer reference USB / BLOCK Layer
Date: Mon, 3 Oct 2011 16:32:16 -0700	[thread overview]
Message-ID: <20111003233216.GA30470@suse.de> (raw)
In-Reply-To: <4E89E374.8020804@t-online.de>

On Mon, Oct 03, 2011 at 06:31:48PM +0200, Knut Petersen wrote:
> Hi everybody!
> 
> I connected two USB flash drives and tried to erase them using dd:
> 
> dd if=/dev/zero of=/dev/sdc bs=65536
> dd if=/dev/zero of=/dev/sdd bs=65536
> 
> I left the machine for some hours and found it completely locked
> on return. No reaction to the keybard, network access impossible.
> A hard reboot was necessary.
> 
> Attached find the relevant part of /var/log/messages and the configuration
> of the kernel used.

Can you please try 3.0.6 which is now out?  There is a USB/block layer
fix in it.

thanks,

greg k-h

  reply	other threads:[~2011-10-03 23:46 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-10-03 16:31 [BUG: kernel 3.0.4] Hard lockup / NULL pointer reference USB / BLOCK Layer Knut Petersen
2011-10-03 23:32 ` Greg KH [this message]
2011-10-04 10:32   ` Knut Petersen
2011-10-04 16:52     ` Greg KH

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