Bug 224073 - NFS exports non-functional, reporting "svc: unknown version (3)"
NFS exports non-functional, reporting "svc: unknown version (3)"
Status: CLOSED RAWHIDE
Product: Fedora
Classification: Fedora
Component: kernel (Show other bugs)
6
x86_64 Linux
medium Severity high
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Assigned To: Kernel Maintainer List
Brian Brock
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Depends On:
Blocks:
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Reported: 2007-01-23 16:51 EST by Ben Webb
Modified: 2007-11-30 17:11 EST (History)
1 user (show)

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Doc Type: Bug Fix
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Last Closed: 2007-08-29 19:56:59 EDT
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Description Ben Webb 2007-01-23 16:51:41 EST
Description of problem:

Cannot correctly mount an NFS export on a remote host - file access fails.

Version-Release number of selected component (if applicable):
kernel-2.6.19-1.2895.fc6

How reproducible:
Always

Steps to Reproduce:
1. Export /foo from an x86_64 Fedora 6 box.
2. Mount /foo on a remote machine (Fedora 6 i686, and Solaris 8 SPARC, in this
case).
3. Try to access files under /foo on the remote clients.
  
Actual results:
NFS server reports in /var/log/messages:
kernel: svc: unknown version (3)
...but allows the mount (on either client) to succeed. However, subsequent file
access from the Solaris 8 box fails with:
NFS getacl failed for server <foo>: error 9 (RPC: Program/version mismatch)


Expected results:
File access should succeed on the clients.


Additional info:
Mounting on the clients with -o vers=2 simply changes the error on the server to
kernel: svc: unknown version (2)

After downgrading the kernel on the server to kernel-2.6.18-1.2869.fc6,
everything works perfectly.
Comment 1 Ben Webb 2007-02-20 12:43:25 EST
The bug appears to be fixed in the latest kernel update
(kernel-2.6.19-1.2911.fc6). Exports to Solaris clients now function normally;
the Fedora server no longer logs "svc: unknown version".

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