This bug was fixed in the package linux - 4.15.0-42.45
---
linux (4.15.0-42.45) bionic; urgency=medium
* linux: 4.15.0-42.45 -proposed tracker (LP: #1803592)
* [FEAT] Guest-dedicated Crypto Adapters (LP: #1787405)
- KVM: s390: reset crypto attributes for all vcpus
- KVM:
Tried the proposed kernel (4.15.0-40-generic), worked as expected.
Thanks for backporting the fix.
** Tags removed: verification-needed-bionic
** Tags added: verification-done-bionic
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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-
bionic' to 'verification-done-bionic'. If the problem still exists,
change the tag
** Changed in: linux (Ubuntu Bionic)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1792580
Title:
Mounting SOFS SMB shares fails
Status in
Fix is from v4.19 and got picked up via stable into Cosmic/4.18. So
Disco should be and stay being fixed.
** Also affects: linux (Ubuntu Cosmic)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Cosmic)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu
SRU request submitted:
https://lists.ubuntu.com/archives/kernel-team/2018-October/096380.html
** Description changed:
+ == SRU Justification ==
+ Commit 395a2076b406 is needed to fix a bug in Bionic which causes mounting
+ SOFS SMB shares to fail. It was found that this commit fixes the bug
+
That's great news. I'll SRU that commit, so it gets added to Bionic.
Thanks for all the help testing!
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Title:
Mounting SOFS SMB
This one works, I think we pinned the fix.
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Title:
Mounting SOFS SMB shares fails
Status in linux package in Ubuntu:
In Progress
I built one more test kernel with only commit:
395a2076b406 cifs: connect to servername instead of IP for IPC$ share
The test kernel can also be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1792580
Can you test this kernel and see if it resolves this bug?
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The last build works properly.
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Title:
Mounting SOFS SMB shares fails
Status in linux package in Ubuntu:
In Progress
Status in
There are two cifs specific commits between -rc2 and -rc3:
395a2076b406 cifs: connect to servername instead of IP for IPC$ share
c15e3f19a6d5 fs/cifs: don't translate SFM_SLASH (U+F026) to backslash
I built a test kernel with these commits to rule them out as being the fix.
The test kernel
Looks like there's a fix in rc3 which works, while rc2 and rc1 don't.
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Title:
Mounting SOFS SMB shares fails
Status in linux
We know that v4.19-rc4 does not have the bug per comment 15. We can
narrow down which release candidate has the fix. Can you test
v4.19-rc1:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.19-rc1/
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Failing as well.
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Title:
Mounting SOFS SMB shares fails
Status in linux package in Ubuntu:
In Progress
Status in linux source
Can you next try 4.18:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.18/
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Title:
Mounting SOFS SMB shares fails
Status in linux
Same issue with 4.17.
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Title:
Mounting SOFS SMB shares fails
Status in linux package in Ubuntu:
In Progress
Status in linux
Thanks for testing. That would mean the fix is not in v4.16-rc1, but a
newer kernel.
Can you test v4.17 final:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.17/
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Still failing. Thanks for bearing with me on this. Just to confirm the
version:
uname -a
Linux juju-1ffc5a-3-kvm-19 4.16.0-041600rc1-generic #201802120030 SMP Mon Feb
12 00:31:33 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
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That is actually good news. That means the backport of commit
b327a717e50698039 is good. It also means we are missing a commit in
v4.16-rc1 from Bionic.
Can you confirm v4.16-rc1 does not exhibit the bug:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.16-rc1/
If it is good, I can perform a
Tried 4.15.0-041500-generic #201810151610, still the same issue.
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Title:
Mounting SOFS SMB shares fails
Status in linux package in
To see if we are missing commits in Bionic, I built a mainline kernel
that was reset to v4.15 and had a pick of commit b327a717e50698039.
The test kernel can also be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1792580
Can you test this kernel and see if it resolves this bug?
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This one fails with the same error.
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Title:
Mounting SOFS SMB shares fails
Status in linux package in Ubuntu:
In Progress
Status
I built one more test kernel. This test kernel has a pick of commits
83b7739180de1 and 661bb943a98de.
The test kernel can also be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1792580
Can you test this kernel and see if it resolves this bug?
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This one fails as well: 4.15.0-34-generic
#38~lp1792580SecondAndThirdPatchRevertedv4
mount.cifs kernel mount options:
ip=10.107.1.110,unc=\\s2dscaleout.cbs.com\glance-images,vers=3.0,uid=114,gid=119,user=glance,domain=cbs.com,pass=
mount error(5): Input/output error
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I built a 'v4' test kernel. The kernel has the last two of the three
commits.
The test kernel can also be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1792580
Can you test this kernel and see if it resolves this bug?
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Same error with 4.15.0-34-generic #38~lp1792580SecondPatchRevertedv3
mount.cifs kernel mount options:
ip=10.107.1.110,unc=\\s2dscaleout.cbs.com\glance-images,vers=3.0,uid=114,gid=119,user=glance,domain=cbs.com,pass=
mount error(5): Input/output error
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I built a third 'v3' test kernel.
The test kernel can also be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1792580
Can you test this kernel and see if it resolves this bug?
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This one fails:
uname -a
Linux juju-1ffc5a-3-kvm-19 4.15.0-34-generic #38~lp1792580 SMP Mon Oct 1
18:48:42 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
mount.cifs kernel mount options:
I built a second test kernel.
The test kernel can also be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1792580
Can you test this kernel and see if it resolves this bug?
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Awesome, thanks for the build. Worked as expected.
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Title:
Mounting SOFS SMB shares fails
Status in linux package in Ubuntu:
In
Thanks for the feedback. I submitted those three commits for bug
1747572. To see if they introduced the regression, I built a test
kernel with those three commits reverted.
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1792580
Can you test this kernel and see
Thanks for the link, for some reason I was looking in the wrong place.
The issue seems to have been introduced in 4.15.0-13 (4.15.0-12 works).
There is in fact a CIFS related patch[1][2][3] that was backported and
is most probably the one introducing this regression.
[1]
Can you next try 4.15.0-15? It can be found at:
https://launchpad.net/ubuntu/+source/linux/4.15.0-15.16/+build/14530348
All of the Bionic kernel versions can be found at:
https://launchpad.net/ubuntu/bionic/+source/linux
>From that page, you click on the version number. Then one the following
4.15.0-20 seems to have the issue as well. I'd try in between builds but
it looks like those have been removed.
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Title:
Mounting
This one works as well.
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Title:
Mounting SOFS SMB shares fails
Status in linux package in Ubuntu:
In Progress
Status in linux
Can you next test:
4.15.0-9: https://launchpad.net/ubuntu/+source/linux/4.15.0-9.10/+build/14326410
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Joseph Salisbury (jsalisbury)
** Changed in: linux (Ubuntu Bionic)
Assignee: (unassigned) => Joseph Salisbury (jsalisbury)
**
Both 4.13.0-32 and 4.14.0-16 worked as expected.
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Title:
Mounting SOFS SMB shares fails
Status in linux package in Ubuntu:
Thanks for testing -proposed! The 4.15.0-35 kernel contains the 4.15.18
upstream stable updates, which resolve this bug per comment #27. This
might indicate this bug was introduced by an Ubuntu SAUCE patch, since
it does not exist upstream.
We can perform a kernel bisect to identify the SAUCE
Sure, I just gave the proposed kernel (4.15.0-35-generic) a try and the
issue persists.
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Title:
Mounting SOFS SMB shares fails
Would it be possible for you to test the proposed kernel and post back if it
resolves this bug?
See https://wiki.ubuntu.compo/Testing/EnableProposed for documentation how to
enable and use -proposed.
Thank you in advance!
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I just gave 4.15.18 a try and it works properly, thanks.
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Title:
Mounting SOFS SMB shares fails
Status in linux package in Ubuntu:
Can you see if the fix in mainline was also cc'd to 4.15 stable? That latest
kernel is available from:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.15.18/
If 4.15.18 still exhibits the bug, we can perform a "Reverse" bisect to
identify the commit that fixes the bug in 4.19
** Changed in:
Sorry about the duplicated apport attachments, wrong paste when
submitting the files for another bug report.
** Tags removed: xenial
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apport information
** Tags added: xenial
** Description changed:
Ubuntu 18.04.1 LTS 4.15.0-33.36-generic
cifs-utils 2:6.8-1
Mounting scale-out SMB shares is failing.
mount -t cifs -o
credentials=/tmp/creds,domain=cbs.com,uid=114,gid=119,vers=3.0,_netdev,nodfs
** Attachment added: "Successful mount of the the same share, using 4.19"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1792580/+attachment/5189748/+files/4.19_mount
** Tags added: kernel-fixed-upstream
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Hi Joseph, thanks for replying.
I've just tested the latest upstream kernel (4.19) and the issue no
longer occurs. I'm attaching a log as it may help understanding the
issue and pinpointing whatever patch may need to be backported.
For what is worth, I no longer get the following error after
Did this issue start happening after an update/upgrade? Was there a
prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.19
apport information
** Tags added: apport-collected bionic uec-images
** Description changed:
Ubuntu 18.04.1 LTS 4.15.0-33.36-generic
cifs-utils 2:6.8-1
Mounting scale-out SMB shares is failing.
mount -t cifs -o
** Description changed:
Ubuntu 18.04.1 LTS 4.15.0-33.36-generic
- cifs-utils 2:6.8-1
+ cifs-utils 2:6.8-1
Mounting scale-out SMB shares is failing.
mount -t cifs -o
credentials=/tmp/creds,domain=cbs.com,uid=114,gid=119,vers=3.0,_netdev,nodfs
//s2dscaleout.cbs.com/glance-images
** Attachment added: "Successful mount of a standalone share"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1792580/+attachment/5188801/+files/standalone_mount
** Tags added: kernel-bug
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** Attachment added: "Successful mount of the the same share, using 16.04"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1792580/+attachment/5188800/+files/16_04_mount
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