9.0 release hang in quiescent X

[Warren Block]

On Fri, 17 Aug 2012, Gary Aitken wrote:

> On 08/17/12 14:44, Warren Block wrote:
>
>> If that stops the lockups, then you could try setting each in turn to 
>> a non-zero value (minutes).  Leave everything at zero except for the 
>> one being tested.  But these also seem unlikely, as it's a hardware 
>> signal from the video board to the monitor.  The suggestion of an X 
>> screensaver causing the lockup was excellent.  Even if you have no 
>> screensavers, there are other things that could be triggered, like 
>> xlock.
>
> Not sure I understand what you're getting at.  By "other things that 
> could be triggered" what do you mean?  e.g. xclock obviously gets 
> "triggered" at least once per minute; you're suggesting that event 
> could be causinging an update request while blanked out that is 
> causing trouble?

Other long-term events that happen might be to blame, not related to 
screen blanking at all.  For example, a cron job.