[Bugme-new] [Bug 6713] New: Write by group not working in any
2.6.16.X
bugme-daemon at bugzilla.kernel.org
bugme-daemon at bugzilla.kernel.org
Mon Jun 19 03:20:26 PDT 2006
http://bugzilla.kernel.org/show_bug.cgi?id=6713
Summary: Write by group not working in any 2.6.16.X
Kernel Version: 2.6.16.any
Status: NEW
Severity: normal
Owner: trond.myklebust at fys.uio.no
Submitter: lk at ohnesorg.cz
Most recent kernel where this bug did not occur: 2.6.14
Distribution: Debian stable/unstable - not important
Hardware Environment: reproduced on intel and opteron - i386, x86-64
Software Environment: user space nfs server
Problem Description:
Problem is, that a file with group write permission is not writable by this
group.
Steps to reproduce:
Lets have a server called server and client called client, on server
export directory /data/export
server# cat /etc/exports
/data/export 192.168.0.2/255.255.255.255(rw,no_root_squash,sync)
and mount them on client
client# mount -t nfs server:/data/export /mnt/data
than try on client
client# cd /mnt/data
client# echo "Hi" > file.txt
client# chmod g+w file.txt
client# su - someuser
client$ cd /mnt/data
client$ echo "Hi2" >> file.txt
-su: test: Permission denied
this problem occures only with kernel 2.6.16 on client side, after reboot to
2.6.14 the append works great with same configuration. Another important hit
is, that the problem is only in directory, where the nfs tree is mounted, on
subdirectories is everythink working properly. The problem occures only with
user space nfs daemon, kernel nfs is OK, but is not usable for me. While the
problem occured on client side, I think it is related to kernel. I have reported
it to nfs _AT_ lists.sourceforge.net, but there is no response for 14 days.
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