kde-freezes while large USB copy

[Reindl Harald]

Am 20.11.2011 03:38, schrieb Richard Heck:
> On 11/19/2011 11:16 AM, Reindl Harald wrote:
>> Am 19.11.2011 17:09, schrieb Martin Kho:
>>> On Saturday 19 November 2011 08:00:43 Tayfun Kayhan wrote:
>>>> +1 ! Mine is sometimes completely frozen and nothing can come it back :/ But
>>>> mostly, openning System Activity with Ctrl + Esc is fixin it, as a
>>>> workaround. 
>>> On the test list there was a threat with a comparable issue, see [1]. May be 
>>> it's the same as what you see.
>>>
>>> [1] http://lists.fedoraproject.org/pipermail/test/2011-November/104368.html
>> i can not say this in general
>>
>> only if the I/O goes to USB2 or USB3 while the last seems
>> to have a kernel-bug with my controller and tends to damage
>> filesystmes and lsoe connection but thats off-topic
>>
> I've seen something like this, too, but am not sure if it is KDE-related
> or controller related. But trying to copy lots of data to a USB2 stick
> here is very, very slow. It works at first just fine, but then slows
> down as things proceed. Copying, say, 4GB can take 2-3 hours. I guess I
> should at least try it under another WM.

i am also not sure if other WM would show a different behavior

that it slows down until buffers are full is clear
but what is not acceptable is that the whole computer in a class
few years ago clusters did not have is unuseable while data transfer
to an usb-drive while this never happens to eSATA, but not uch drives
have eSATA :-(

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