diff options
| author |   Tomáš Mózes <hydrapolic@gmail.com> | 2020-03-06 07:40:30 +0100 |
|---|---|---|
| committer |   Yixun Lan <dlan@gentoo.org> | 2020-03-06 22:33:09 +0000 |
| commit | 4e1a0667c9be4b76c4eef62be717be4ba288a147 (patch) | |
| tree | a98c5cd885e10b046ab43120e7638d1991406ab5 /app-emulation | |
| parent | net-libs/quiche: Remove criterion (diff) | |
| download | gentoo-4e1a0667c9be4b76c4eef62be717be4ba288a147.tar.gz gentoo-4e1a0667c9be4b76c4eef62be717be4ba288a147.tar.bz2 gentoo-4e1a0667c9be4b76c4eef62be717be4ba288a147.zip | |
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>
Diffstat (limited to 'app-emulation')
| -rw-r--r-- | app-emulation/xen/xen-4.12.2.ebuild | 9 | ||||
| -rw-r--r-- | app-emulation/xen/xen-4.13.0-r1.ebuild | 9 |
2 files changed, 18 insertions, 0 deletions
diff --git a/app-emulation/xen/xen-4.12.2.ebuild b/app-emulation/xen/xen-4.12.2.ebuild index ec19a8729db3..078c4ede6785 100644 --- a/app-emulation/xen/xen-4.12.2.ebuild +++ b/app-emulation/xen/xen-4.12.2.ebuild @@ -153,4 +153,13 @@ pkg_postinst() { elog "You can optionally block the installation of /boot/xen-syms by an entry" elog "in folder /etc/portage/env using the portage's feature INSTALL_MASK" elog "e.g. echo ${msg} > /etc/portage/env/xen.conf" + + ewarn + ewarn "Xen 4.12+ changed the default scheduler to credit2 which can cause" + ewarn "domU lockups on multi-cpu systems. The legacy credit scheduler seems" + ewarn "to work fine." + ewarn + ewarn "Add sched=credit to xen command line options to use the legacy scheduler." + ewarn + ewarn "https://wiki.gentoo.org/wiki/Xen#Xen_domU_hanging_with_Xen_4.12.2B" } diff --git a/app-emulation/xen/xen-4.13.0-r1.ebuild b/app-emulation/xen/xen-4.13.0-r1.ebuild index 2c03982f6608..7da3187cee25 100644 --- a/app-emulation/xen/xen-4.13.0-r1.ebuild +++ b/app-emulation/xen/xen-4.13.0-r1.ebuild @@ -153,4 +153,13 @@ pkg_postinst() { elog "You can optionally block the installation of /boot/xen-syms by an entry" elog "in folder /etc/portage/env using the portage's feature INSTALL_MASK" elog "e.g. echo ${msg} > /etc/portage/env/xen.conf" + + ewarn + ewarn "Xen 4.12+ changed the default scheduler to credit2 which can cause" + ewarn "domU lockups on multi-cpu systems. The legacy credit scheduler seems" + ewarn "to work fine." + ewarn + ewarn "Add sched=credit to xen command line options to use the legacy scheduler." + ewarn + ewarn "https://wiki.gentoo.org/wiki/Xen#Xen_domU_hanging_with_Xen_4.12.2B" } |