[rescue] Now what, SGI Challenge L Department

[Carl R. Friend]

   On Fri, 16 Jan 2004, Sheldon T. Hall wrote:

> OK, so I'm not getting enough grief from the Indigo2 ...

   Where there's a little, there's always more.  This seems to
be a corrolary to collecting, and running (mostly running) old
iron.

> I'm getting memory errors on my Challenge L.  So far, there's not much of a
> pattern, and none have been uncorrectible.  I'm getting one every few days.
> A while back,I saw one in the log and started filtering for them; since
> then, it seems to have one every 3 to 5 days:
> 
> 12-17-03: Single Bit Error on physical addr. 0x582d6180, in slot 2 leaf 1
> bank 7 was a read transient

   Uh, Shel, are you sitting atop a hoard of radioactive bits?
Alpha radiation, as well as gamma, is known to cause drop-outs.

> Now, the machine's got ECC, this doesn't seem to be hurting anything, and,
> except for 4,1,6 there seems to be no particular pattern. Should I be
> worried?  I'm planning to re-seat all the SIMMs and boards when I get a
> chance; is there anything else I should do?

   Lead BVDs.

   Cheers.

+------------------------------------------------+---------------------+
| Carl Richard Friend (UNIX Sysadmin)            | West Boylston       |
| Minicomputer Collector / Enthusiast            | Massachusetts, USA  |
| mailto:crfriend at rcn.com                        +---------------------+
| http://users.rcn.com/crfriend/museum           | ICBM: 42:22N 71:47W |
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