[OpenAFS] AFS client errors reported with Cisco VPN 5.0.X installed

[Jeffrey Altman]

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John Perkins wrote:
> Not sure if these errors are related to the Cisco VPN 5.0.2 installed or
> not, but one of our workstations periodicly shows such errors:
> 
> 3/26/2009 4:00:10 PM: Request S(05)QueryPathInfo_ReceiveTran2QPathInfo
> duration
> 48062 ms user packers\winroot tid "/cs.wisc.edu/" path? "(null)" afid
> (0.0.0.0)
> 3/26/2009 4:00:58 PM: Request S(01)FindFirst_ReceiveTran2SearchDir
> duration 4807
> 9 ms user packers\winroot tid "/cs.wisc.edu/" path? "(null)" afid (0.0.0.0)
> 3/26/2009 4:01:46 PM: Request S(02)FindNext_ReceiveTran2SearchDir
> duration 48031
> ms user packers\winroot tid "/cs.wisc.edu/" path? "(null)" afid (0.0.0.0)
> 

those are not errors.  they are just info stating that those requests
took longer than 45 seconds to complete.

> Shortly after installation I saw the following errors reported:
> 
> 3/26/2009 4:32:30 PM: smb_LanAdapterChange
> 3/26/2009 4:32:30 PM: NCBLISTEN lana=4 failed with NRC_BRIDGE, retrying ...
> 3/26/2009 4:32:30 PM: NCBLISTEN lana=4 failed with NRC_NOWILD, retrying ...

The loopback adapter lost its IP address.

> ...although stopping and restarting the service seems to clear up this
> problem.

> The computer in question runs Windows XP SP3 with OpenAFS 1.5.56.  If
> this should be sent on to openafs-bugs, let me know, and I'll do that...

There is nothing we can do about the problem.  Its a bug deep in the
Microsoft protocol stack.   I have been working with microsoft on this
for a long time.  Not enough pressure on mgmt to make something happen.

this is why Peter Scott and I are working on the native client so we can
bypass the smb redirector/netbios/tdi/loopback stack entirely.

Jeffrey Altman


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