Am Sonntag, 17. M�rz 2013 schrieb Ken Heard:
> On 2013-03-14 21:46, Uwe Brauer wrote:
> > I have installed Kubuntu 10.04 with trinity 3.5.11 (I think) on a
> > X60 Thinkpad Laptop. This morning the xerver freezed and I had to
> > reboot,
> >
> > I got a graphical login, could login, kde3 started, however the
> > hard disk was in read only mode. So I rebooted again, this time it
> > took almost 15 min to reboot, a sign that some hard disk problem
> > occurred; (I have the jfs file system.)
> >
> > Anyhow finally the machine booted again successfully, I got a
> > graphical login but now I could *NOT* login, the password was
> > accepted but instead the graphical login screen reappeared.
> >
> > I could login on a terminal though. So I thought maybe the
> > xorg.conf file was damaged. But this Kubuntu version does not have
> > a xorg file anymore, as google told me.
>
> The litany of problems you describe could indicate hardware failure.
> I have a ThinkPad R61 with Squeeze, and since the upgrade from Lenny I
> have had no end of trouble from it.
>
> For example, sound only works intermittently.  On two occasions the
> printer was detected, but I could only print one file before the
> printer was no longer detected.  On booting the screen goes blank
> before booting is completed; on average I have to reboot 3.5 times
> before I can get a complete boot.  Shutdown is never completed; I have
> to shut down manually after the computer stops after some of the
> shutdown processes are finished.  Dolphin and Konqueror sometimes
> detect a CDROM when there is no CDROM in the drive, etc.
>
> I ran the usual tests on the hard drive (smartmontools) and the memory
> (memtest).  In both cases no errors were detected.  So, either there
> is much wrong with Squeeze; or there is a hardware failure somewhere,
> perhaps in the southbridge -- or even both hardware and software
> failures.
>
> The failure rate for laptops in the first three years after
> manufacture is upwards of 20%. My R61 was assembled in 2008 -- almost
> five years ago.  So hardware failure is a real possibility.
>
> On the assumption that some of the cited problems were software
> related I sent individual posts to various user lists about some of
> the specific problems.  For all of them the people who responded
> remained as baffled as to their cause as I was.  In one case a Debian
> developer as much as told me that he could not help me as long I have
> software installed which is not "pure" Debian -- such as Trinity.
>
> Regards, Ken Heard

FWIW: I found on my X6* T6* that "laptop-mode" when configured with 
CONTROL_INTEL_SATA_MODE="1" causes "funny" faults that look like hardware 
defects.

Nik