Bug 458371

Summary:	GIMP destroys tiff-files when saved via network on an NFS Server
Product:	[Fedora] Fedora	Reporter:	Thomas Schanz <gurkx>
Component:	gimp	Assignee:	Nils Philippsen <nphilipp>
Status:	CLOSED ERRATA	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	high	Docs Contact:
Priority:	medium
Version:	8	CC:	gmureddu
Target Milestone:	---
Target Release:	---
Hardware:	i386
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2008-08-08 15:59:39 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Thomas Schanz 2008-08-07 20:17:26 UTC

Description of problem:
The gimp-program destroys tiff-file when they are saved via network on an NFS
server! If you save a picture from gimp via network on a NFS-server the file
is written without any complains but the data of the picture will be destroyed.

(Better try not to modify your beloved holiday pictures from gimp via NFS or
they are all gone, ...ask someone who did ...)

The problem occur on an Fedora 4 NFS-Server as well as on an HPUX 11.i 
NFS server so it seems to me the server is not responsible. The problem 
occurs only on saving tiff-files, other file types seem not be affected.

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

fedora 2.6.23.1-42.fc8 (32bit)
gimp-2.4.0-0.rc3.2.fc8
libtiff-3.8.2-9.fc8

How reproducible:

always

Steps to Reproduce:

1.open a tiff with GIMP that is hosted on an NFS-server of your choice 
via network 
2.modify something if you like and save it back on the NFS-Server again
3.open the file again and scratch your neck
  
Actual results:

you should warn your users

Expected results:

fix the bug

Additional info:

Comment 1 Gian Paolo Mureddu 2008-08-07 23:18:46 UTC

Since this also seems to affect 64-bit (x86) platforms, wouldn't it be better to expand on the platform affected to all? See this thread on fedoraforum.org:
http://forums.fedoraforum.org/showthread.php?t=186489

Comment 2 Nils Philippsen 2008-08-08 09:01:44 UTC

You seem to use the non-updated package versions as contained in the installation media. There have been quite a number of updates which could affect you here, namely gimp-2.4.6-1.fc8 and kernel-2.6.25.11-60.fc8.

Do you see this problem with all current updates installed (after making a backup)?

Comment 3 Thomas Schanz 2008-08-08 15:47:31 UTC

Hello and thanks for the quick reply!

the here reported bug seems to be fixed by now.

Meanwhile I have installed all updates that were available for my
system and the problem is fixed by now. Unfortunately I had no time
to install the patched one after another. All I can say is that it 
was not fixed by the gimp-update nor the nfs-patches. I assume the
kernel-module ubdate did the job but I'am not shure about that.

So far I can live with the result except of the pictures I have lost ;-).
thanks again,
Thomas.

Comment 4 Thomas Schanz 2008-08-08 16:39:34 UTC

now it looks like a kernel bug of the old 2.6.23.1-42.fc8 kernel! 

Because the old kernel is still intact after the kernel upgrade I have booted
the updated system with the old kernel 2.6.23.1-42.fc8 and the bug is alive 
again! 

If I boot the system with the new kernel 2.6.25.11-60.fc8 instead, GIMP works
correct via NFS and the tiffs are alright.