SUMMARY[2]: Tru64 5.0 to 5.0A upgrade - suddenly NFS problems: 'xdrmbuf_getmbuf failed' error

From: Toni Harbaugh-Blackford <harbaugh_at_ncifcrf.gov>
Date: Fri, 14 Jul 2000 07:43:28 -0400

Folks-

I forgot to mention in my first summary that under certain circumstances there is a
workaround to the problem:

   Change 'soft' NFS-mounts to 'hard' NFS-mounts


>This is a bug. I received a preliminary patch for it as part of a call I logged
>to Compaq (log #C000602-3573), and the patch appears to solve the problem.
>
>Unfortunately, the patch will *NOT* be part of the first v5.0A patch kit.
>
>At 12:18 PM 6/2/2000 -0400, you wrote:
>
>>I apologize for the repost - my mailer messed up the subject line. :(
>>
>>After upgrading my AS1000A from Tru64 5.0 to v5.0A, the machine is now
>>suddenly suffering from serious NFS problems.
>>
>>This machine is an NFS client to both a DS20 running Tru64 4.0F and
>>and Auspex fileserver (SunOS 4.1.4). On *BOTH* these servers, NFS
>>writes from the AS1000A fail with the (NFS server-side syslog) error
>>
>> 'xdrmbuf_getmbuf failed'
>>
>>On the client side, an I/O error is logged:
>>
>> 190% df /home/faxpds20/harbaugh
>> Filesystem 512-blocks Used Available Capacity Mounted on
>> faxpds20:/users 15360000 1615382 13744618 11% /home/faxpds20
>> 191% df .
>> Filesystem 512-blocks Used Available Capacity Mounted on
>> /dev/disk/dsk14g 2078892 12968 1858034 1% /var/tmp
>> 192% mount | grep ds20
>> faxpds20:/users on /home/faxpds20 type nfs (v3, rw, nosuid, nodev, udp, soft, intr)
>> 193% cp glib-1.2.7.tar.gz /home/faxpds20/harbaugh
>> NFS3 RFS3_WRITE failed for server faxpds20 : RPC: Server can't decode arguments
>> cp: /home/faxpds20/harbaugh/glib-1.2.7.tar.gz: I/O error
>>
>>In the example above, the NFS server is (of course) the DS20 mentioned above.
>>The *identical* behavior is observed when transferring files to the Auspex.
>>
>>Does anyone know how to fix this? What has changed between Tru64 5.0 and 5.0A
>>that would cause this?
>>
>>Thanks
>>
>>Toni
>>
>>-----------------------------------------------------------------------
>>Toni Harbaugh-Blackford harbaugh_at_nciaxp.ncifcrf.gov
>>AlphaServer 8400 System Administrator
>>SAIC/NCI Frederick Advanced Biomedical Computing Center
Received on Fri Jul 14 2000 - 11:47:52 NZST

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