Re: T420 Hang

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On Sat, 09 Jul 2011, Rosh shah wrote:
> Symptoms when the problem occurs:
> Display stops responding.
> - Display is frozen, mouse pointer responsive

So, it is not hung.  Something is borked in X.org or the display drivers.
Please report to your distro.

> Issue happened when laptop was idle for about 25-30 minutes. When the
> issue happened, the laptop did not seem too hot.

Could be a problem with the screen saver or with DPMS.

> Jul  9 19:34:07 Sweet kernel: [22404.597404] thinkpad_acpi: unhandled HKEY
> event 0x6040
...

These should be unrelated to the issue.

> Jul  9 19:34:08 Sweet kernel: [22405.128661] EXT4-fs (sda1): re-mounted.
> Opts: errors=remount-ro,commit=600
> Jul  9 19:34:15 Sweet kernel: [22411.876154] EXT4-fs (sda1): re-mounted.
> Opts: errors=remount-ro,commit=0
> Jul  9 20:17:01 Sweet CRON[3798]: (root) CMD (   cd / && run-parts --report
> /etc/cron.hourly)

You may want to check why something is remounting this partition.

-- 
  "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

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