On Thu, Aug 10, 2023 at 12:58:53PM +0300, RAJESH DASARI wrote: > Hi , > > We are noticing the below warning in the latest 5.4.252 kernel bootup logs. > > WARNING: CPU: 0 PID: 0 at arch/x86/kernel/fpu/xstate.c:878 > get_xsave_addr+0x83/0x90 > > and relevant call trace in the logs , after updating to kernel 5.4.252. > > I see that issue is due to this commit > https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.4.252&id=6e60443668978131a442df485db3deccb31d5651 > > This is seen in the qemu instance which is emulating the host cpu > and was deployed on Intel(R) Xeon(R) Gold 5218 processor. > > I revert the commit and there is no WARNING and call trace in the logs > , Is this issue already reported and a fix is available? Could you > please provide your inputs. > > Regards, > Rajesh. Does applying b3607269ff57 ("x86/pkeys: Revert a5eff7259790 ("x86/pkeys: Add PKRU value to init_fpstate")") fixes it for you? Cascardo.
