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Diffstat (limited to 'results/scraper/launchpad/1779162')
| -rw-r--r-- | results/scraper/launchpad/1779162 | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/results/scraper/launchpad/1779162 b/results/scraper/launchpad/1779162 new file mode 100644 index 00000000..a7fff32c --- /dev/null +++ b/results/scraper/launchpad/1779162 @@ -0,0 +1,96 @@ +qemu versions 2.10 and 2.11 have error during migration of larger guests + +== Comment: #0 - Christian Borntraeger - 2018-06-28 06:39:27 == +Migration fails with larger guests (e.g. 10GB) on a z system prints an error message in the log + +see /var/log/libvirt/qemu/... +[...] +qemu-system-s390x: KVM_S390_SET_CMMA_BITS failed: Bad address + +This messes up guest state for the CMMA values (guest data corruption) + +This is fixed with + +commit 46fa893355e0bd88f3c59b886f0d75cbd5f0bbbe +Author: Claudio Imbrenda <email address hidden> +AuthorDate: Thu Jan 18 18:51:44 2018 +0100 +Commit: Cornelia Huck <email address hidden> +CommitDate: Mon Jan 22 11:04:52 2018 +0100 + + s390x: fix storage attributes migration for non-small guests + + Fix storage attribute migration so that it does not fail for guests + with more than a few GB of RAM. + With such guests, the index in the buffer would go out of bounds, + usually by large amounts, thus receiving -EFAULT from the kernel. + Migration itself would be successful, but storage attributes would then + not be migrated completely. + + This patch fixes the out of bounds access, and thus migration of all + storage attributes when the guest have large amounts of memory. + + Cc: <email address hidden> + Signed-off-by: Claudio Imbrenda <email address hidden> + Fixes: 903fd80b03243476 ("s390x/migration: Storage attributes device") + Message-Id: <email address hidden> + Reviewed-by: Christian Borntraeger <email address hidden> + Signed-off-by: Cornelia Huck <email address hidden> + +This fix is part of 2.11.1 so the qemu in bionic is fine. +The qemu in artful, as well as the qemu in the cloud archives for 16.04 need this fix, so we have +affected qemus in 17.10 and 16.04. + +Regarding 16.04: +The bug only triggers for host kernels >= 4.13 - in other words when you combine HWE kernel with the qemu from the cloud archive. + +As discussed on IRC, this isn't important for the last week of Artful before EOL. +But it is for the Cloud Archives longer time I'd think. + +So I added a UCA task for them to take a look. + +Hello Christian and Frank, + +Thanks for reporting this and making Ubuntu better. Very much appreciate your details bug description as well. + +I'm working on backporting this to Pike and will update the bug with more details soon. + +Thanks, +Corey + +Hello bugproxy, or anyone else affected, + +Accepted qemu into pike-proposed. The package will build now and be available in the Ubuntu Cloud Archive in a few hours, and then in the -proposed repository. + +Please help us by testing this new package. To enable the -proposed repository: + + sudo add-apt-repository cloud-archive:pike-proposed + sudo apt-get update + +Your feedback will aid us getting this update out to other Ubuntu users. + +If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested, and change the tag from verification-pike-needed to verification-pike-done. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-pike-failed. In either case, details of your testing will help us make a better decision. + +Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance! + +------- Comment From <email address hidden> 2018-06-29 03:41 EDT------- +Fix verified with +2.10+dfsg-0ubuntu3.8~cloud1 + +Thanks for testing. Tagging verification-pike-done according to comment #4 results. + +The verification of the Stable Release Update for qemu has completed successfully and the package has now been released to -updates. In the event that you encounter a regression using the package from -updates please report a new bug using ubuntu-bug and tag the bug report regression-update so we can easily find any regressions. + + +This bug was fixed in the package qemu - 1:2.10+dfsg-0ubuntu3.8~cloud1 +--------------- + + qemu (1:2.10+dfsg-0ubuntu3.8~cloud1) xenial-pike; urgency=medium + . + * d/p/s390x-fix-storage-attrs-migration-for-non-small-guests.patch: + Backported from upstream 2.11.1 release to enable successful migration + of non-small guests (LP: #1779162). + + +------- Comment From <email address hidden> 2018-07-03 09:10 EDT------- +IBM bugzilla status ->closed : Fix Released by Canonical + |