Re: [patch] MCA recovery: Montecito support

From: Hidetoshi Seto <seto.hidetoshi_at_jp.fujitsu.com>
Date: 2006-10-27 10:25:11
All right. Thank you, Russ.

- H.Seto

Acked-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>

Russ Anderson wrote:
> It's worth noting that this change does not effect the selection of
> which process to kill.  It only effects which physical memory
> address gets marked as bad.  
> 
> In my test case, a correctable error is injected (an ends up in the
> bus check target identifier) then a memory uncorrectable is injected
> and consumed, triggering the MCA.  The test program is correctly 
> terminated, but the current code uses the bus check target identifier
> and marks the address of the correctable error as bad.  The real bad
> memory goes back on the free list, and promptly gets reused, triggering
> another MCA.  The cycle repeats until the kernel happens to get
> the memory.  Kernel memory error, end of ballgame.

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Received on Fri Oct 27 10:22:22 2006

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