From: Andrew Morton <akpm@linux-foundation.org>
To: linux-mm@kvack.org
Subject: Re: [Bugme-new] [Bug 34132] New: System is unresponsive while using dd to copy DVD ISO to USB stick/key
Date: Thu, 5 May 2011 14:43:43 -0700 [thread overview]
Message-ID: <20110505144343.7c98bfce.akpm@linux-foundation.org> (raw)
In-Reply-To: <bug-34132-10286@https.bugzilla.kernel.org/>
In case anyone was wondering if we've stopped sucking yet.
On Sat, 30 Apr 2011 16:12:15 GMT
bugzilla-daemon@bugzilla.kernel.org wrote:
> https://bugzilla.kernel.org/show_bug.cgi?id=34132
>
> Summary: System is unresponsive while using dd to copy DVD ISO
> to USB stick/key
> Product: IO/Storage
> Version: 2.5
> Kernel Version: 2.6.38.2
> Platform: All
> OS/Version: Linux
> Tree: Mainline
> Status: NEW
> Severity: high
> Priority: P1
> Component: Other
> AssignedTo: io_other@kernel-bugs.osdl.org
> ReportedBy: jlp.bugs@gmail.com
> Regression: No
>
>
> When I use
>
> dd if=<some_iso_file> of=<device_of_usb_key>
>
> The system becomes very unresponsive. X is almost completely unusable, maybe
> you can move a mouse for some time but click do nothing. Even togling the Caps
> Lock doesn't do anything. Trying to SSH is also almost impossible during this.
> System is like this all the time while using the dd command. After it finishes
> system again becomes responsive. I've noticed this on two of my computers:
> 1: AMD Athlon 64 3000+, 2 GB of memory, kernel 2.6.38.2
> 2: AMD Athlon II P320 Dual-Core, 4 GB of memory, kernel 2.6.39-rc2
> The USB key is this one:
> http://www.takems.com/products.php?categ=usb&prod=MEM-Drive_Easy_II
>
> What I expected was that the doing dd wouldn't have a noticable impact on
> responsivness of the rest of the system.
>
Maybe it's not VM-related. This time. Maybe.
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parent reply other threads:[~2011-05-05 21:50 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <bug-34132-10286@https.bugzilla.kernel.org/>]
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