This bug was fixed in the package linux - 3.13.0-35.62
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linux (3.13.0-35.62) trusty; urgency=low
[ Joseph Salisbury ]
* Release Tracking Bug
- LP: #1357148
[ Brad Figg ]
* Start new release
[ dann frazier ]
* SAUCE: (no-up) Fix build failure on arm64
- LP:
** Tags removed: verification-needed-trusty
** Tags added: verification-done-trusty
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Title:
Long delay when mounting NFS shares
To manage notifi
I confirm that's this bux is fixed in the new kernel release 3.13.0-35.62
(amd64).
Thanks for your work, this was a very annoying bug for me.
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Tit
** Branch linked: lp:ubuntu/trusty-proposed/linux-keystone
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Title:
Long delay when mounting NFS shares
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This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
trusty' to 'verification-done-trusty'.
If verification is not done by 5 working days from t
** Branch linked: lp:ubuntu/precise-proposed/linux-lts-trusty
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Title:
Long delay when mounting NFS shares
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** Also affects: linux (Ubuntu Utopic)
Importance: Medium
Status: Fix Released
** Changed in: linux (Ubuntu Trusty)
Status: Triaged => Fix Committed
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** Description changed:
+ SRU justification:
+
+ Impact: Kernel 3.13 shows a 16s delay when mounting NFS shares without
+ using gssd (kerberos authentication) because it does not detect whether
+ gssd is running at all or not.
+
+ Fix: This was fixed upstream in 3.14 by having gssd create a dumm
This looks to be a kernel side issue which was fixed in 3.14 by:
* nfs: check if gssd is running before attempting to use krb5i auth in
SETCLIENTID call
* sunrpc: replace sunrpc_net->gssd_running flag with a more reliable check
* sunrpc: create a new dummy pipe for gssd to hold open
Cherry-picki
Duplicate ?
https://bugs.launchpad.net/ubuntu/+source/nfs-utils/+bug/1270445
Same issue with RedHat/Fedora :
https://bugzilla.redhat.com/show_bug.cgi?id=1001934
** Bug watch added: Red Hat Bugzilla #1001934
https://bugzilla.redhat.com/show_bug.cgi?id=1001934
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Unfortunately no, I can still reproduce it on 3.13.0-32-generic.
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Title:
Long delay when mounting NFS shares
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Seems to be fixed now. Everyone else agree?
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Title:
Long delay when mounting NFS shares
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To add a bit of debugging I did (using two VMs):
- There server side kernel version does not matter (tested trusty and utopic)
- A client with a 3.13 kernel will have the delay, while the 3.16 kernel is ok
Enabling NFS debugging on both clients (as root "echo 32767
>/proc/sys/sunrpc/nfs_debug") s
I installed linux-
image-3.13.11-03131104-generic_3.13.11-03131104.201406201536_amd64.deb
from v3.13.11.4-trusty but unfortuneately I was still able to reproduce
the bug. I tested it on two machines just to be sure, but there is still
a 16 second delay when mounting from one machine to the other as
It sounds like this bug is fixed upstream in mainline. Can you now test the
latest 3.13 upstream stable kernel:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.13.11.4-trusty/
If that still has the bug, then we can perform a "Reverse" bisect to
find what commit fixes this in mainline.
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I have now tested v3.16-rc1-utopic and v3.16-rc2-utopic and they both
appear to work fine on 14.04 with NFSv4. I was unable to reproduce the
bug.
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Can you test one additional upstream kernel before i bisect between
v3.13.0-24-generic and v3.13.0-26-generic? Can you test the latest
mainline kernel, which can be downloaded from:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.16-rc1-utopic/
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I can confirm that v3.13.9 does in fact exhibit the bug. I installed
linux-image-3.13.9-031309-generic_3.13.9-031309.201404031554_amd64.deb
and rebooted into the new kernel. Running uname -r shows
"3.13.9-031309-generic". Mounting an nfs share, even when shared from
localhost, results in a long del
Sorry meant to say:
Can you confirm that v3.13.9 does in fact exhibit the bug, not 3.11.9.
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Title:
Long delay when mounting NFS shares
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That is strange that upstream 3.13.9 also has the bug, since that is
what 3.13.0-24-generic is based on. I don't see any specific SAUCE
patches that would fix this. I do see a number of nfs changes that went
into upstream 3.13.11.1 and 3.13.11.2:
* nfsd4: buffer-length check for SUPPATTR_EXCLC
I have installed and tested all three kernels (v3.13.10, v3.13.11.1 and
v3.13.11.2) by rebooting and selecting the kernel version at the grub
menu. I did however get the same 16 second delay with all of them. I
went even further back and tested v3.13.10-trusty, v3.13.9-trusty,
v3.13.8-trusty, v3.13
I'd like to perform a bisect to figure out what commit caused this
regression. We need to identify the earliest kernel where the issue
started happening as well as the latest kernel that did not have this
issue.
Can you test the following kernels and post back? We are looking for the
first kernel
** Tags added: kernel nfs regression-update
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Title:
Long delay when mounting NFS shares
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** Summary changed:
- Long timeout when mounting NFS shares
+ Long delay when mounting NFS shares
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Title:
Long delay when mounting NFS shares
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