Bug 163608 - ia64: Unaligned accesses are made when NFS starts
ia64: Unaligned accesses are made when NFS starts
Status: CLOSED RAWHIDE
Product: Fedora
Classification: Fedora
Component: kernel (Show other bugs)
5
ia64 Linux
medium Severity medium
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Assigned To: Steve Dickson
Brian Brock
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Depends On:
Blocks: fedora-ia64
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Reported: 2005-07-19 10:23 EDT by Prarit Bhargava
Modified: 2007-11-30 17:11 EST (History)
3 users (show)

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Doc Type: Bug Fix
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Last Closed: 2006-07-24 14:12:16 EDT
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Description Prarit Bhargava 2005-07-19 10:23:42 EDT
Description of problem:

Unaligned accesses are made when NFS starts on ia64.

Version-Release number of selected component (if applicable):

Fedora ia64 devel, rawhide-20050719
nfs-utils-1.0.7-8

How reproducible: 100%

Steps to Reproduce:

1. Install latest Fedora ia64 devel
2. Boot.
  
Actual results:

When starting NFS the following errors are seen:

Starting NFS statd: kernel unaligned access to 0xe00000b00487fce4,
ip=0xa000000100545391
kernel unaligned access to 0xe00000b00487fce4, ip=0xa000000100545450
[  OK  ]
kernel unaligned access to 0xe00000b00487fce4, ip=0xa000000100545391
kernel unaligned access to 0xe00000b00487fce4, ip=0xa000000100545450

Expected results:

No errors should be seen.

Additional info:

I think I had put in an earlier bug on this on another RH product (I can't
recall the BZ#).  If memory serves the issue is that nfs-utils needs to built
with the -ftz compile flag.
Comment 1 Prarit Bhargava 2005-07-20 16:14:04 EDT
The ftz flag reference above is a mistake -- I was thinking of another issue ...

P.
Comment 3 Dave Anderson 2005-09-01 09:55:20 EDT
Sure sounds familiar to RHEL3, where someplace in the NFS code was accessing
a packed data structure.  The text locations of the IP addresses reported above
would at least nail the offender.
Comment 4 Steve Dickson 2006-07-24 14:12:16 EDT
I believe this has been fixed in later kernels (at least I have
not seen this problem lately).... If this is not the case please
reopen... 

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