I/O Bound Procs Clobbering Responsiveness

Ankur Sinha sanjay.ankur at gmail.com
Thu Dec 1 14:57:51 UTC 2011

On Tue, 2011-11-08 at 12:17 +0100, Karel Volný wrote:
> Hi,
> I'm afraid the problem is not specific to Fedora ... I see 
> something similar on my Gentoo box after upgrading kernel from 
> 2.6.39 to 3.0.6
> I haven't tried with USB but I can see whole system being pretty 
> slow if there is high SATA load.
> And also I had to stop bitcoin computations on my GPU, as the GUI 
> became totally unresponisve while running poclbm - this didn't 
> happen with previous kernel, I could run the computations in the 
> background while working with the GUI.
> /me is thinking about kernel downgrade ...
> K.
> On Monday 07 of November 2011 17:36:10 Chuck Forsberg WA7KGX 
> N2469R wrote:
> > This a subjective comment, but it seems that I/O bound procs
> > such as disk copy are seriously impacting GUI response more
> > than before.   For example, switching windows can take 30
> > seconds or more.  Indeed it appears the system has halted
> > except that the clock seconds keep ticking away.
> > 
> > Setup:  R6550 8GB Fedora 16 64 bit accessed via TigerVNC over
> > a gigabit LAN.

hello all,

Quite a few people have observed screen freezes when there is heavy
i/o.. This is the related bug:


Do have a look. There isn't a solution currently, they're still trying
to diagnose the issue. 
Ankur: "FranciscoD"


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