Believed fixed (was: Re: Another panic (during netisr?))

[Ian FREISLICH-3]

Robert Watson wrote:
> Since debugging this went offline, the quick summary for the list
> is: it looks like a race condition in the read-write locking for
> tcbinfo in 8.x/9.x was responsible, and I've now committed a fix
> to head and merged to stable/8 this morning.  If this recurs with
> the fix, please let me know, because that would mean we fixed the
> wrong bug. :-)

Since this I've not had a panic on our routers in the last 25 days.
Before, it would panic about every 5 days with a corrupted stack.

Ian

--
Ian Freislich
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[Robert Watson]

On Tue, 3 Nov 2009, Ian Freislich wrote:

> Robert Watson wrote:
>> Since debugging this went offline, the quick summary for the list is: it
>> looks like a race condition in the read-write locking for tcbinfo in
>> 8.x/9.x was responsible, and I've now committed a fix to head and merged to
>> stable/8 this morning.  If this recurs with the fix, please let me know,
>> because that would mean we fixed the wrong bug. :-)
>
> Since this I've not had a panic on our routers in the last 25 days. Before,
> it would panic about every 5 days with a corrupted stack.

Sounds good, thanks!

Robert N M Watson
Computer Laboratory
University of Cambridge
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