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Old 02-22-11, 12:15 PM   #3
danix
NVIDIA Corporation
 
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Join Date: Feb 2010
Location: Santa Clara, CA
Posts: 237
Default Re: Xid Error and system hangup at FIXED ABSOLUTE DATES

Thanks for reporting this.

The times you identified do all coincide with 32-bit overflows of "milliseconds since epoch":

<pre>$ for i in `seq 295 305`; do date -u -d "jan 1, 1970 0:0:0 utc + $[2**32/1000*i] sec"; done
Wed Feb 24 12:41:05 UTC 2010
Thu Apr 15 05:43:52 UTC 2010
Thu Jun 3 22:46:39 UTC 2010
Fri Jul 23 15:49:26 UTC 2010
Sat Sep 11 08:52:13 UTC 2010
Sun Oct 31 01:55:00 UTC 2010
Sun Dec 19 18:57:47 UTC 2010
Mon Feb 7 12:00:34 UTC 2011
Tue Mar 29 05:03:21 UTC 2011
Tue May 17 22:06:08 UTC 2011
Wed Jul 6 15:08:55 UTC 2011</pre>

I tried setting the clock on a 32-bit system to just before one of these times, then starting X and a bunch of X clients immediately after setting the clock, but wasn't able to trigger the failure... Could you be a little bit more specific about what you mean by "start the X Server with load"? Does X not crash when the X server is started without load?
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