[ltp] Re: system unresponsive during disk activity

Henrique de Moraes Holschuh linux-thinkpad@linux-thinkpad.org
Mon, 31 Dec 2007 18:09:42 -0200


On Mon, 31 Dec 2007, Marcus Better wrote:
> Henrique de Moraes Holschuh wrote:
> > I have seen CFS screw up when the SCSI EH is running (e.g. when the
> > optical drive in the ultrabay is ejected) on a T43, which uses a ICH6 (not
> > AHCI).
> > It might be related.  The symptoms are the same: tasks are blocked until
> > the
> > EH finishes its job.  Kernel 2.6.22 with the latest v24.1 CFS patch.
> 
> Any way to test this? Is there a kernel bug report on this?

You'd need PATA hotplug hardware to duplicate it exactly, and a ICH6M.  No
bug reports, but I will retest when I switch to 2.6.23+CFS and if it is
still there, I will report one.

-- 
  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh