https://lists.xenproject.org/archives/html/xen-users/2020-01/msg00019.html https://lists.xenproject.org/archives/html/xen-users/2020-02/msg00018.html https://lists.xenproject.org/archives/html/xen-devel/2020-01/msg00361.html Wiki: https://wiki.gentoo.org/wiki/Xen#Xen_domU_hanging_with_Xen_4.12.2B Possible fix: revert to credit scheduler - add sched=credit to xen options Will report back if it helps (deployed since 14.2.2020).
No problems since switched to the legacy credit scheduler so far.
The bug has been referenced in the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=4e1a0667c9be4b76c4eef62be717be4ba288a147 commit 4e1a0667c9be4b76c4eef62be717be4ba288a147 Author: Tomáš Mózes <hydrapolic@gmail.com> AuthorDate: 2020-03-06 06:40:30 +0000 Commit: Yixun Lan <dlan@gentoo.org> CommitDate: 2020-03-06 22:33:09 +0000 app-emulation/xen: warn about credit2 scheduler instability Bug: https://bugs.gentoo.org/710140 Closes: https://github.com/gentoo/gentoo/pull/14842 Package-Manager: Portage-2.3.89, Repoman-2.3.20 Signed-off-by: Tomáš Mózes <hydrapolic@gmail.com> Signed-off-by: Yixun Lan <dlan@gentoo.org> app-emulation/xen/xen-4.12.2.ebuild | 9 +++++++++ app-emulation/xen/xen-4.13.0-r1.ebuild | 9 +++++++++ 2 files changed, 18 insertions(+)
Patches for testing: https://xenbits.xen.org/gitweb/?p=xen.git;a=commitdiff;h=ad5e611d04c463ca2c2dc1e477934cfaf75fc260 https://xenbits.xen.org/gitweb/?p=xen.git;a=commitdiff;h=04497b354f98240e150acad7b1a7ab09dbb77989
Fixes in tree, closing for now.
