The fix for this bug is now in Trusty as commit:
f3599b8 storvsc: Set the SRB flags correctly when no data transfer is
needed
** Also affects: linux (Ubuntu Trusty)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Trusty)
Status: New => In Progress
** Changed
Joshua, it is probably best to open a new bug.
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Title:
[Hyper-V] Fiber Channel critical target error
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We are still seeing some errors.
Here are the results for 15.04 running the upstream 4.1.0-rc8-next built
2015-06-22.
I’m still seeing some error messages, though multipath is at least able to
recognize the vFC disks.
root@ubuntu1504:~# multipath -ll
360080e500017c5e216bf53d7c0c8 dm-3
This bug was fixed in the package linux - 3.19.0-22.22
---
linux (3.19.0-22.22) vivid; urgency=low
[ Brad Figg ]
* Release Tracking Bug
- LP: #1465755
[ Tai Nguyen ]
* SAUCE: power: reset: Add syscon reboot device node for APM X-Gene
platform
- LP: #1463211
** Tags removed: verification-needed-vivid
** Tags added: verification-done-vivid
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Title:
[Hyper-V] Fiber Channel critical target error
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Hi Luis,
We've tested now the proposed kernel 3.19.0-22 on Vivid and the virtual fibre
channel is working and it's usable.
There is one error message that we see when checking the multipath
support, will send an update once that gets clarified on our end.
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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-
vivid' to 'verification-done-vivid'.
If verification is not done by 5 working days from
** Branch linked: lp:ubuntu/trusty-proposed/linux-lts-vivid
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This bug was fixed in the package linux - 3.19.0-22.22
---
linux (3.19.0-22.22) vivid; urgency=low
[ Brad Figg ]
* Release Tracking Bug
- LP: #1465755
[ Tai Nguyen ]
* SAUCE: power: reset: Add syscon reboot device node for APM X-Gene
platform
- LP: #1463211
** Changed in: linux (Ubuntu Vivid)
Status: In Progress = Fix Committed
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Thanks for testing, Alex. I sent and SRU request to have this commit
included in Vivid and Wily. The commit was already cc'd to stable as
well.
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This test kernel fixes the issue.
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** Also affects: linux (Ubuntu Vivid)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Vivid)
Importance: Undecided = High
** Changed in: linux (Ubuntu Vivid)
Status: New = In Progress
** Changed in: linux (Ubuntu Vivid)
Assignee: (unassigned) = Joseph
I built a Vivid test kernel with a cherry pick of commit dc45708c. Can
you test this kernel and confirm it solves the bug? If it does, we can
SRU it to Vivid and Wily and request it be included in the upstream
stable kernels.
The test kernel can be downloaded from:
Hi,
I'm finished with the bisect and the following commit will fix this
issue:
dc45708ca9988656d706940df5fd102672c5de92 [storvsc: Set the SRB flags
correctly when no data transfer is needed]
Looks like we'll want to include this patch.
Here's the rest of my bisect log, in case you're
Thanks, Alex. I look forward to your results.
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I'll continue the bisect until I hear back.
I built the next test kernel, up to the following commit:
c5db6a3bdeb72f4238e1faefa4ce4eab7a64baea
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1439780
Can you test that kernel and report back if it has the bug or
Hi Joseph,
Kernel with commits up to 7ce14f6ff26460819345fe8495cf2dd6538b7cdc are
also seeing this issue.
I'm can run my own bisect as well so we can save some time going back
and forth. Are you basing your bisect off of Linux-stable repository?
Thanks,
Alex
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Thanks for the update, Alex.
I am performing a Reverse bisect between v4.1-rc4 and v4.1-rc5 using the
master branch in the mainline repo:
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
I'll continue the bisect unless you prefer to do it. Here is the
current bisect log:
#
Hi,
The issue also shows up in this kernel.
I can take over the bisect. My current bisect log is the same as yours.
I'm currently building the next test kernel up to following commit:
74856fbf441929918c49ff262ace9835048e4e6a
Will let you know when I narrow it down further.
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I built the next test kernel, up to the following commit:
7ce14f6ff26460819345fe8495cf2dd6538b7cdc
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1439780
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on
I built the next test kernel, up to the following commit:
b0f155ada4c819f06aa32b4c906e7e76350c7ec1
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1439780
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on
The issue also shows in this kernel.
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I built the first test kernel, up to the following commit:
0b6280c62026168f79ff4dd1437df131bdfd24f2
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1439780
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on
Still not working with the kernel up to this commit:
0b6280c62026168f79ff4dd1437df131bdfd24f2
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Title:
[Hyper-V] Fiber Channel critical target
The test kernel still hits this issue.
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I started a kernel reverse bisect between v4.1-rc4 and v4.1-rc5. The
kernel bisect will require testing of about 7-10 test kernels.
I built the first test kernel, up to the following commit:
1d82b0baf9abd59ae6f53f3102f4e442043763a4
The test kernel can be downloaded from:
So I tried to repro this on the latest upstream v4.1-fc5 kernel from
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.1-rc5-unstable/.
It looks like the issue's been fixed there.
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We do not have a test in the 15.04 timeframe that worked, verifying that
it worked in previous releases.
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Title:
[Hyper-V] Fiber Channel
'd like to perform a reverse bisect to figure out which commit upstream
fixes this regression. It would be very helpful to know the last kernel
that had this issue and the first kernel that did not.
Can you test the following kernels and report back? We are looking for
the earliest kernel version
To answer your question, it looks like the issue can be reproduced as
recently as v4.1-rc4.
So the last version of the kernel that we see this bug is: v4.1-rc4
And the first version of the kernel we don't see this bug is: v4.1-rc5
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Checked with http://kernel.ubuntu.com/~kernel-
ppa/mainline/v4.1-rc3-unstable/ The issue is still present.
root@ubuntu1504:/mnt# uname -a
Linux ubuntu1504 4.1.0-040100rc3-generic #201505102036 SMP Mon May 11 00:37:27
UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
In dmesg we still see :
[
Was there a prior kernel version that did not have this issue?
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[Hyper-V] Fiber Channel critical target error
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Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.1 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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[Hyper-V] Fiber Channel critical target error
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** Changed in: linux (Ubuntu)
Importance: Undecided = High
** Tags added: kernel-da-key kernel-hyper-v
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Title:
[Hyper-V] Fiber Channel
** Changed in: linux (Ubuntu)
Status: Incomplete = New
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