Re: svn commit: r237367 - head/sys/fs/nfsclient

On 01.07.12 14:04, Konstantin Belousov wrote:
> On Sun, Jul 01, 2012 at 01:23:02PM +0200, Andreas Tobler wrote:
>> On 21.06.12 11:26, Konstantin Belousov wrote:
>>> Author: kib
>>> Date: Thu Jun 21 09:26:06 2012
>>> New Revision: 237367
>>> URL: http://svn.freebsd.org/changeset/base/237367
>>>
>>> Log:
>>>    Enable deadlock avoidance code for NFS client.
>>
>>
>> Hm, since this commit I fail with my nfs installworld/kernel.
>>
>> I have a builder which installs world/kernel to a nfs mounted directory.
>> Namely used for cross builds.
>>
>> Now since this commit I get the following when I install kernel to the
>> nfs directory:
>>
>> ..
>> install -o root -g wheel -m 555   zfs.ko.symbols
>> /netboot/sparc64/boot/kernel
>> install: /netboot/sparc64/boot/kernel/zfs.ko.symbols: No such file or
>> directory
>> *** [_kmodinstall] Error code 71
>> ..
>>
>> The file is there, a local install of the tree works without problems.
>> Reverting to r237366 also makes it work again.
>>
>> The server is a -CURRENT, r237880, The client, -CURRENT too.
>>
>> How can I help to track down the real issue?
>
> Is it always the same file in the install procedure which causes the
> failure ? Even more, is the failure pattern always the same ?

I'd say so yes. When installing a kernel onto a nfs mounted fs then 
always (in my cases) the zfs.ko.symbols was the failing pattern.
I tried ppc64 and sparc64 as target. With both it was the above file.

When doing a installworld, it was, also in both cases, ppc64/sparc64, 
the cc1 in libexec which failed.

> Might be, start with ktrace-ing the whole make invocation, including
> the children processes.

Some recipes how to start?

> I used buildworld on the NFS-mounted obj/ as the test for the changes.

Here the obj is local, only the src and the destination is on the 
nfs/netboot server.

Thanks,
Andreas

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