cthon fails for 2-6-18-rc6-CITI-NFS4_ALL

[Trond Myklebust]

On Tue, 2006-10-17 at 14:54 +0200, Simon Vallet wrote:
> Hi,
> 
> I recently upgraded to 2-6-18-rc6-CITI-NFS4_ALL and associated
> userland utils on a FC3 test box.
> 
> It seems that Running cthon04 against a NetApp filer reveals possible
> regressions :
> 
> [...]
> ./test6: readdir
>         ./test6: (/mnt/nfs1.genoscope.cns.fr/tx174.test) unlinked 'file.0' dir entry read pass 1
>         ./test6: (/mnt/nfs1.genoscope.cns.fr/tx174.test) Test failed with 1 errors basic
> tests failed
> 
> ## Checking kernel version:             [ 2.6.18-rc6-CITI_NFS4_ALL-1-sjv1 ]
> ## Checking libgssapi version:         [ 0.10 ]
> ## Checking librpcsecgss version:   [ 0.14 ]
> ## Checking libnfsidmap version:     [ 0.17 ]
> ## Checking nfs-utils version:           [ 1.0.10 ]
> ## Checking util-linux version:          [ 2.12 ]
> ## Checking acl version:                   [ 2.2.29 ]
> 
> Running the same tests against 2.6.17-CITI_NFS4_ALL-1-sjv1 and same userland suceeds

That is a known problem that is due to the following patch

http://kernel.org/git/gitweb.cgi?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=016eb4a0ed06a3677d67a584da901f0e9a63c666;hp=3665d0e58fa44f50c744f85c7e8ad21d5b10e206

which broke the generic cache invalidation routine. It should be fixed
soon in a forthcoming 2.6.18 stability release, but you can apply the
fix yourself from

http://kernel.org/git/gitweb.cgi?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=bd4c8ce41a2e2f0c5bf54343ab54e8e09faec021;hp=d025c9db7f31fc0554ce7fb2dfc78d35a77f3487

Cheers,
  Trond