On Mon, Jun 12, 2023 at 02:44:04PM +0200, Peter N. M. Hansteen wrote:
> >Synopsis:    After snapshot upgrade, xfce4 session dies immediately after 
> >xenodm auth
> >Category:    Xorg, xenocara, xenodm, xfce
> >Environment:
>       System      : OpenBSD 7.3
>       Details     : OpenBSD 7.3-current (GENERIC.MP) #1232: Sun Jun 11 
> 21:57:49 MDT 2023
>                        
> dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP
> 
>       Architecture: OpenBSD.amd64
>       Machine     : amd64
> >Description:
>       Long running amd64 laptop that has been running snapshots for years, 
> configured
>       with xfce4 as primary option for X desktop, after today's snapshot 
> upgrade fails
>       to start xfce4 session after xenodm login. Logging on as root gives the 
> default
>       WM as expected
> >How-To-Repeat:
>       On a recent amd64 snapshot configure a user to run xfce4 as their WM 
> after xenodm
>       login. upgrade to most recent snapshot with matching packages (pkg_add 
> -u, sysupgrade -s
>       pkg_add -u).
> >Fix:
>       to be determined, I suspect some minor tweak or perhaps just a rebuild 
> of the xfce4
>       packages will do the trick.
> 

>From dmesg, you have an IBT amd64.

> cpu0: FPU,VME,[...],MD_CLEAR,IBT,IBRS,IBPB,[...],XSAVEC,XGETBV1,XSAVES
                               ^^^
(IBT is present in the list).

The snapshot kernel is enforcing indirect-branch-tracking.

Could you identify the exact program which dies ? I assume it was segfaulted 
with SIGILL.

Thanks.
-- 
Sebastien Marie

Reply via email to