** Also affects: backport-iwlwifi-dkms (Ubuntu)
Importance: Undecided
Status: New
** Also affects: virtualbox (Ubuntu Eoan)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Eoan)
Importance: Undecided
Status: New
** Also affects: xtables-addons (Ubuntu Eoan)
Importance: Undecided
Status: New
** Also affects: gcc-9 (Ubuntu Eoan)
Importance: Undecided
Status: New
** Also affects: nvidia-graphics-drivers-430 (Ubuntu Eoan)
Importance: Undecided
Status: New
** Also affects: backport-iwlwifi-dkms (Ubuntu Eoan)
Importance: Undecided
Status: New
** Changed in: backport-iwlwifi-dkms (Ubuntu)
Status: New => Fix Released
** Changed in: gcc-9 (Ubuntu Eoan)
Status: New => Won't Fix
** Changed in: linux (Ubuntu Eoan)
Status: New => Fix Released
** Changed in: nvidia-graphics-drivers-430 (Ubuntu Eoan)
Status: New => Fix Released
** Changed in: virtualbox (Ubuntu Eoan)
Status: New => Won't Fix
** Changed in: xtables-addons (Ubuntu Eoan)
Status: New => Won't Fix
--
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to nvidia-graphics-drivers-430 in Ubuntu.
https://bugs.launchpad.net/bugs/1830961
Title:
Kernels & kernel drivers fail to build with gcc-9 [error: ‘-mindirect-
branch’ and ‘-fcf-protection’ are not compatible]
Status in backport-iwlwifi-dkms package in Ubuntu:
Fix Released
Status in gcc-9 package in Ubuntu:
Won't Fix
Status in linux package in Ubuntu:
Fix Released
Status in nvidia-graphics-drivers-430 package in Ubuntu:
Fix Released
Status in virtualbox package in Ubuntu:
Won't Fix
Status in xtables-addons package in Ubuntu:
Won't Fix
Status in backport-iwlwifi-dkms source package in Eoan:
New
Status in gcc-9 source package in Eoan:
Won't Fix
Status in linux source package in Eoan:
Fix Released
Status in nvidia-graphics-drivers-430 source package in Eoan:
Fix Released
Status in virtualbox source package in Eoan:
Won't Fix
Status in xtables-addons source package in Eoan:
Won't Fix
Bug description:
Compiling kernels & kernel modules fails due to these errors:
./include/linux/compiler.h:193:1: error: ‘-mindirect-branch’ and
‘-fcf-protection’ are not compatible
(This happens with any kernel modules.)
This appears to be due to the changes in 9.1.0-3ubuntu1 enabling -fcf-
protection by default on 19.10's gcc-9.
Switching to gcc-8 allows compilation to proceed.
WORKAROUND:
sudo ln -fs gcc-8 /usr/bin/gcc
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/backport-iwlwifi-dkms/+bug/1830961/+subscriptions
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