[OpenAFS] token loss?
Fri, 24 Feb 2006 21:51:09 -0600
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On Wed, Feb 22, 2006 at 01:05:23AM -0600, Ryan Underwood wrote:
> > Tokens can be lost because of either local issues such as the pag being
> > cleared via an 'unlog' or a new pag being allocated. The tokens could
> > be lost due to a bug in the client. Or the tokens could be lost because
> > the server has reported to the client that the tokens cannot be used
> > due to RXKADUNKNOWNKEY, RXKADBADTICKET, RXKADEXPIRED, etc. The first
> > thing you need to determine is which it is.
> > If the server is the trigger of the token loss, an event will be written
> > to the cache manager trace log within the kernel (if the log is active.)
> > You can control the use of the cm event logging with the 'fstrace'
> > options 'lsset', 'setset' and 'dump'.
> > Activate the event logging and when the problem occurs, dump the output
> > to a file and search it for a tokens discarded message. If found, the
> > message will indicate the error value that caused the tokens to be
> > cleared. Depending on why the tokens are being cleared there are
> > different next steps.
> OK, I issused fstrace setset, then fstrace lsset:
> Available sets:
> cmlongterm active
> cm active
> Then I waited for the token to be lost, then I fstrace dump. But the
> word 'token' does not appear in the output. I tried fstrace dump,
> fstrace dump cm, and fstrace dump cmlongterm. Did I do this correctly?
So, assuming I did this correctly, there must be a client bug, since
nothing in this pag is issuing unlog and the server is not invalidating
Ryan Underwood, <firstname.lastname@example.org>
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