** Tags removed: targetmilestone-inin---
** Tags added: targetmilestone-inin16044
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Title:
Can't boot VM with more than 16 disks (slof buffer
** Changed in: ubuntu-power-systems
Status: Incomplete => Fix Released
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Title:
Can't boot VM with more than 16 disks (slof buffer issue)
This bug was fixed in the package slof - 20161019+dfsg-1ubuntu0.1
---
slof (20161019+dfsg-1ubuntu0.1) zesty; urgency=medium
* Fix boot with more than 16 disks (LP: #1734856)
- d/p/0001-boot-do-not-concatenate-bootdev.patch
- d/p/0002-boot-use-a-temporary-bootdev-buf.patch
This bug was fixed in the package slof - 20151103+dfsg-1ubuntu1.1
---
slof (20151103+dfsg-1ubuntu1.1) xenial; urgency=medium
* Fix boot with more than 16 disks (LP: #1734856)
- d/p/0001-boot-do-not-concatenate-bootdev.patch
- d/p/0002-boot-use-a-temporary-bootdev-buf.patch
Thank you Srikanth (and Team since I saw so many people update the bug).
This is already released for Artful, the SRU Team should soon release it for
X/Z as well now.
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verification done on
1. artful
2. xenial
3. zesty
results in comment 32, 45, 46
** Tags removed: verification-needed verification-needed-xenial
verification-needed-zesty
** Tags added: verification-done verification-done-xenial
verification-done-zesty
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It is mostly independent to the kernel, the fix by Nikunj just needs the
new Slof to be on the host.
Please sync internally if the test is correct as this is the fix that
was suggested by you and at least in my tests it worked. Since former
verifications were a bit back and forth and this
This bug was fixed in the package slof - 20170724+dfsg-1ubuntu0.1
---
slof (20170724+dfsg-1ubuntu0.1) artful; urgency=medium
* Fix boot with more than 16 disks (LP: #1734856)
- d/p/0001-boot-do-not-concatenate-bootdev.patch
- d/p/0002-boot-use-a-temporary-bootdev-buf.patch
Ok, so are all three artful, xenial and zesty done already or are we
waiting on xenial and zesty to complete?
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Title:
Can't boot VM with more
Thanks for sorting out the Artful test already bssrikanth.
To be clear (the comments by kalshett are unclear to me at least. You need to
test Xenial/Zesty/Artful HOSTS. The fix is in the slof package that is
installed in the KVM host.
It actually doesn't even matter which level of guest you
Applied artful proposed fixes and could not able to see the reported issue
fixed.
Help needed to apply artful-proposed fix.
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Title:
Can't boot
Artful validation:
---
I could able to recreate the issue;
Initially added upto 32 boot order disks apart from primary disk(boot
order 1), and not able to recreate it. However with one more disks
** Tags removed: verification-needed-xenial
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Title:
Can't boot VM with more than 16 disks (slof buffer issue)
To manage notifications about
Hello bugproxy, or anyone else affected,
Accepted slof into artful-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/slof/20170724+dfsg-
1ubuntu0.1 in a few hours, and then in the -proposed repository.
Please help us by testing this new package. See
Tests good - MPs open for packaging review
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Title:
Can't boot VM with more than 16 disks (slof buffer issue)
To manage notifications about this
MPs for the packaging change in X/Z/A up for review and linked in the
bug.
** Changed in: slof (Ubuntu Artful)
Status: Confirmed => In Progress
** Changed in: slof (Ubuntu Zesty)
Status: Confirmed => In Progress
** Changed in: slof (Ubuntu Xenial)
Status: Confirmed => In
Doing another bigger check set on Xenial and then opening up the MPs for
review.
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Title:
Can't boot VM with more than 16 disks (slof buffer
** Merge proposal linked:
https://code.launchpad.net/~paelzer/ubuntu/+source/slof/+git/slof/+merge/335317
** Merge proposal linked:
https://code.launchpad.net/~paelzer/ubuntu/+source/slof/+git/slof/+merge/335318
** Merge proposal linked:
This bug was fixed in the package slof - 20170724+dfsg-1ubuntu1
---
slof (20170724+dfsg-1ubuntu1) bionic; urgency=medium
* Fix boot with more than 16 disks (LP: #1734856)
- d/p/0001-boot-do-not-concatenate-bootdev.patch
- d/p/0002-boot-use-a-temporary-bootdev-buf.patch
--
I saw the new upstream release, over the next time this will be picked up by
Debian and we make it a sync again then.
For now I pick the fix as tested from the ppa into Bionic.
Once that migrated I'll look at the SRUs into X-A.
** Changed in: slof (Ubuntu Bionic)
Status: Incomplete => Fix
On my test environment with the extracted slof.bin from the DEB package,
I do not see the issue.
./ppc64-softmmu/qemu-system-ppc64 -nographic -nodefaults -serial stdio -monitor
pty -m 2G -device virtio-scsi-pci`for ((i=2;i<=30;i++)) ; do echo -n "
-drive
My former tests focussed on the testcase.
I deployed a fresh power8 system and ran some more tests on the proposed change
but found no issues - that said going on.
That said I pushed an MP for review of the packaging changes.
@Nikunj / IBM - waiting on your check of the PPA as well if you can
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: slof (Ubuntu Artful)
Status: New => Confirmed
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Title:
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: slof (Ubuntu Zesty)
Status: New => Confirmed
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Title:
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: slof (Ubuntu Xenial)
Status: New => Confirmed
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Title:
Thanks for the info Nikunj.
That means we can likely soon pick it up as a sync from Debian again.
But for now can fix it by picking your changes.
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@paelzer Had a discussion with Alexey, he has created a release label
https://github.com/aik/SLOF/commit/fa981320a1e0968d6fc1b8de319723ff8212b337
Waiting for the mirror to happen on
https://git.qemu.org/?p=SLOF.git;a=commit;h=HEAD
Once that happens, he will send a slof update patch to the qemu
** Merge proposal linked:
https://code.launchpad.net/~paelzer/ubuntu/+source/slof/+git/slof/+merge/335202
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Title:
Can't boot VM with more
** Description changed:
+ [Impact]
+
+ * Booting a KVM guest with many disks considered as potential boot device
+fails on ppc64le
+
+ * In detail this was an overflow, so now the processing of devices is
+changed to use dynamic allocation which works with higher numbers of
+
It was still working with 20 disks and boot index, but 48 made it.
Thanks Nikunj for the bood index hint.
Overall testcase:
# Prep a guest
$ uvt-simplestreams-libvirt --verbose sync --source
http://cloud-images.ubuntu.com/daily arch=ppc64el label=daily release=bionic
$ uvt-kvm create
@paelzer you need to have boot order in each of these disk
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Title:
Can't boot VM with more than 16 disks (slof buffer issue)
To manage
Tried the base 2 + 2x20 = 42 disks.
Still working for me as-is.
To summarize what I wait on:
1. better steps to reproduce - if possible slight modification to my suggested
workflow and even more so if possible without needing double digit amount of
real disks
2. please test/verify the ppa
I tried to verify the case and fix myself which is a prereq for good steps to
reproduce for the SRU anyway.
I came up with test steps based on what was initially reported.
$ uvt-simplestreams-libvirt --verbose sync --source
http://cloud-images.ubuntu.com/daily arch=ppc64el label=daily
Hi,
I don't want to wait too long, so while waiting for an answer I made a ppa
available that should be tested to confirm this fix is good (for bionic).
Please test on Bionic from ppa:
https://launchpad.net/~ci-train-ppa-service/+archive/ubuntu/3079
I'll mark the bug incomplete to clearly
@Nikunj - do you happen to know if Alexey is planning an official
release soon that would include this fix?
Note: this is the first Delta to take, but I look into it as it is critical.
We want to get back to have upstream release a version, debian pick it up and
we become a sync again in
Thanks for the ping Nikunj!
** Changed in: slof (Ubuntu Bionic)
Status: New => Triaged
** Tags added: slof-18.04
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Title:
Can't boot VM
Marking as "incomplete" until patch lands upstream.
** Changed in: ubuntu-power-systems
Status: New => Incomplete
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Title:
Can't boot VM
** Changed in: slof
Status: Unknown => New
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Title:
Can't boot VM with more than 16 disks (slof buffer issue)
To manage notifications
Also linked up the GH issue and the SLOF project in general.
We should get auto-updates once resolved, but to be sure @nikunj please feel
free to ping here once the discussion on the patch concludes and is committed
upstream.
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Thanks for the bug, I see the patch is under active discussion atm.
Lets take a look to integrate once that discussion concludes.
Since it is packaged in slof I assigned that as the target and opened up
per release tasks.
** Package changed: qemu (Ubuntu) => slof (Ubuntu)
** Also affects: slof
** Changed in: qemu (Ubuntu)
Assignee: Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage) =>
David Britton (davidpbritton)
** Changed in: qemu (Ubuntu)
Importance: Undecided => Critical
** Tags added: triage-g
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** Also affects: ubuntu-power-systems
Importance: Undecided
Status: New
** Changed in: ubuntu-power-systems
Importance: Undecided => Critical
** Changed in: ubuntu-power-systems
Assignee: (unassigned) => Canonical Server Team (canonical-server)
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